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Use query to determine whether function needs const checking #69642

Merged
merged 3 commits into from
Apr 17, 2020
Merged

Use query to determine whether function needs const checking #69642

merged 3 commits into from
Apr 17, 2020

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ecstatic-morse
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Resolves #69615.

The HIR const-checker was checking the constness of a function's fn_sig to determine whether a function needed const-checking. Now that const trait impls are a thing, this is no longer enough. All code should use the is_const_fn_raw query instead, which takes the constness of the impl block into account.

r? @oli-obk

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The job x86_64-gnu-llvm-7 of your PR failed (pretty log, raw log). Through arcane magic we have determined that the following fragments from the build log may contain information about the problem.

Click to expand the log. 
2020-03-02T18:58:10.4467647Z ========================== Starting Command Output ===========================
2020-03-02T18:58:10.4470249Z [command]/bin/bash --noprofile --norc /home/vsts/work/_temp/32bc9c8d-67af-4e7f-b7e9-ff83674fc4a1.sh
2020-03-02T18:58:10.4470553Z 
2020-03-02T18:58:10.4473744Z ##[section]Finishing: Disable git automatic line ending conversion
2020-03-02T18:58:10.4493707Z ##[section]Starting: Checkout rust-lang/rust@refs/pull/69642/merge to s
2020-03-02T18:58:10.4497410Z Task         : Get sources
2020-03-02T18:58:10.4497752Z Description  : Get sources from a repository. Supports Git, TfsVC, and SVN repositories.
2020-03-02T18:58:10.4498065Z Version      : 1.0.0
2020-03-02T18:58:10.4498276Z Author       : Microsoft
---
2020-03-02T18:58:11.4409923Z ##[command]git remote add origin https://github.com/rust-lang/rust
2020-03-02T18:58:11.4415513Z ##[command]git config gc.auto 0
2020-03-02T18:58:11.4419256Z ##[command]git config --get-all http.https://github.com/rust-lang/rust.extraheader
2020-03-02T18:58:11.4422700Z ##[command]git config --get-all http.proxy
2020-03-02T18:58:11.4428792Z ##[command]git -c http.extraheader="AUTHORIZATION: basic ***" fetch --force --tags --prune --progress --no-recurse-submodules --depth=2 origin +refs/heads/*:refs/remotes/origin/* +refs/pull/69642/merge:refs/remotes/pull/69642/merge
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---
2020-03-02T20:08:14.9028906Z 64 error[E0221]: ambiguous associated type `Color` in bounds of `X`
2020-03-02T20:08:14.9030046Z -   --> $DIR/associated-type-projection-ambig-between-bound-and-where-clause.rs:35:20
2020-03-02T20:08:14.9031189Z +   --> $DIR/associated-type-projection-ambig-between-bound-and-where-clause.rs:38:20
2020-03-02T20:08:14.9031904Z 66    |
2020-03-02T20:08:14.9032213Z 67 LL |     type Color;
2020-03-02T20:08:14.9033057Z 68    |     ----------- ambiguous `Color` from `Vehicle`
2020-03-02T20:08:14.9033947Z 70 LL |     type Color;
2020-03-02T20:08:14.9034797Z 71    |     ----------- ambiguous `Color` from `Box`
2020-03-02T20:08:14.9035410Z 72 ...
2020-03-02T20:08:14.9035410Z 72 ...
2020-03-02T20:08:14.9036115Z - LL |     fn e(&self, _: X::Color) where X : Box;
2020-03-02T20:08:14.9036757Z + LL |     fn f(&self, _: X::Color) where X : Box { }
2020-03-02T20:08:14.9037886Z 75    |
2020-03-02T20:08:14.9038273Z 76 help: use fully qualified syntax to disambiguate
2020-03-02T20:08:14.9038814Z 
2020-03-02T20:08:14.9039078Z 77    |
2020-03-02T20:08:14.9039078Z 77    |
2020-03-02T20:08:14.9039840Z - LL |     fn e(&self, _: <X as Box>::Color) where X : Box;
2020-03-02T20:08:14.9040527Z + LL |     fn f(&self, _: <X as Box>::Color) where X : Box { }
2020-03-02T20:08:14.9044402Z 80 help: use fully qualified syntax to disambiguate
2020-03-02T20:08:14.9045009Z 81    |
2020-03-02T20:08:14.9045262Z 
2020-03-02T20:08:14.9045262Z 
2020-03-02T20:08:14.9046143Z - LL |     fn e(&self, _: <X as Vehicle>::Color) where X : Box;
2020-03-02T20:08:14.9078925Z + LL |     fn f(&self, _: <X as Vehicle>::Color) where X : Box { }
2020-03-02T20:08:14.9080355Z 84 
2020-03-02T20:08:14.9080800Z 85 error[E0221]: ambiguous associated type `Color` in bounds of `X`
2020-03-02T20:08:14.9081376Z 
2020-03-02T20:08:14.9082454Z -   --> $DIR/associated-type-projection-ambig-between-bound-and-where-clause.rs:38:20
2020-03-02T20:08:14.9082454Z -   --> $DIR/associated-type-projection-ambig-between-bound-and-where-clause.rs:38:20
2020-03-02T20:08:14.9083793Z +   --> $DIR/associated-type-projection-ambig-between-bound-and-where-clause.rs:30:20
2020-03-02T20:08:14.9084453Z 87    |
2020-03-02T20:08:14.9084782Z 88 LL |     type Color;
2020-03-02T20:08:14.9086060Z 89    |     ----------- ambiguous `Color` from `Vehicle`
2020-03-02T20:08:14.9096315Z 91 LL |     type Color;
2020-03-02T20:08:14.9097039Z 92    |     ----------- ambiguous `Color` from `Box`
2020-03-02T20:08:14.9097279Z 93 ...
2020-03-02T20:08:14.9097279Z 93 ...
2020-03-02T20:08:14.9097765Z - LL |     fn f(&self, _: X::Color) where X : Box { }
2020-03-02T20:08:14.9098144Z + LL |     fn d(&self, _: X::Color) where X : Box { }
2020-03-02T20:08:14.9098811Z 96    |
2020-03-02T20:08:14.9099263Z 97 help: use fully qualified syntax to disambiguate
2020-03-02T20:08:14.9099477Z 
2020-03-02T20:08:14.9099627Z 98    |
2020-03-02T20:08:14.9099627Z 98    |
2020-03-02T20:08:14.9100140Z - LL |     fn f(&self, _: <X as Box>::Color) where X : Box { }
2020-03-02T20:08:14.9100555Z + LL |     fn d(&self, _: <X as Box>::Color) where X : Box { }
2020-03-02T20:08:14.9101341Z 101 help: use fully qualified syntax to disambiguate
2020-03-02T20:08:14.9101579Z 102    |
2020-03-02T20:08:14.9101699Z 
2020-03-02T20:08:14.9101699Z 
2020-03-02T20:08:14.9102212Z - LL |     fn f(&self, _: <X as Vehicle>::Color) where X : Box { }
2020-03-02T20:08:14.9102647Z + LL |     fn d(&self, _: <X as Vehicle>::Color) where X : Box { }
2020-03-02T20:08:14.9103247Z 105 
2020-03-02T20:08:14.9103517Z 106 error[E0221]: ambiguous associated type `Color` in bounds of `X`
2020-03-02T20:08:14.9103754Z 
2020-03-02T20:08:14.9104302Z -   --> $DIR/associated-type-projection-ambig-between-bound-and-where-clause.rs:30:20
2020-03-02T20:08:14.9104302Z -   --> $DIR/associated-type-projection-ambig-between-bound-and-where-clause.rs:30:20
2020-03-02T20:08:14.9105043Z +   --> $DIR/associated-type-projection-ambig-between-bound-and-where-clause.rs:35:20
2020-03-02T20:08:14.9105372Z 108    |
2020-03-02T20:08:14.9105556Z 109 LL |     type Color;
2020-03-02T20:08:14.9106054Z 110    |     ----------- ambiguous `Color` from `Vehicle`
2020-03-02T20:08:14.9106437Z 112 LL |     type Color;
2020-03-02T20:08:14.9106921Z 113    |     ----------- ambiguous `Color` from `Box`
2020-03-02T20:08:14.9107158Z 114 ...
2020-03-02T20:08:14.9107158Z 114 ...
2020-03-02T20:08:14.9107610Z - LL |     fn d(&self, _: X::Color) where X : Box { }
2020-03-02T20:08:14.9107992Z + LL |     fn e(&self, _: X::Color) where X : Box;
2020-03-02T20:08:14.9108630Z 117    |
2020-03-02T20:08:14.9108872Z 118 help: use fully qualified syntax to disambiguate
2020-03-02T20:08:14.9109090Z 
2020-03-02T20:08:14.9109227Z 119    |
2020-03-02T20:08:14.9109227Z 119    |
2020-03-02T20:08:14.9109718Z - LL |     fn d(&self, _: <X as Box>::Color) where X : Box { }
2020-03-02T20:08:14.9110148Z + LL |     fn e(&self, _: <X as Box>::Color) where X : Box;
2020-03-02T20:08:14.9110804Z 122 help: use fully qualified syntax to disambiguate
2020-03-02T20:08:14.9111058Z 123    |
2020-03-02T20:08:14.9111177Z 
2020-03-02T20:08:14.9111177Z 
2020-03-02T20:08:14.9112427Z - LL |     fn d(&self, _: <X as Vehicle>::Color) where X : Box { }
2020-03-02T20:08:14.9112880Z + LL |     fn e(&self, _: <X as Vehicle>::Color) where X : Box;
2020-03-02T20:08:14.9113718Z 126 
2020-03-02T20:08:14.9114096Z 127 error: aborting due to 6 previous errors
2020-03-02T20:08:14.9114308Z 
2020-03-02T20:08:14.9114412Z 
2020-03-02T20:08:14.9114412Z 
2020-03-02T20:08:14.9114755Z The actual stderr differed from the expected stderr.
2020-03-02T20:08:14.9115951Z Actual stderr saved to /checkout/obj/build/x86_64-unknown-linux-gnu/test/ui/associated-type/associated-type-projection-ambig-between-bound-and-where-clause/associated-type-projection-ambig-between-bound-and-where-clause.stderr
2020-03-02T20:08:14.9117321Z To update references, rerun the tests and pass the `--bless` flag
2020-03-02T20:08:14.9118310Z To only update this specific test, also pass `--test-args associated-type/associated-type-projection-ambig-between-bound-and-where-clause.rs`
2020-03-02T20:08:14.9118912Z error: 1 errors occurred comparing output.
2020-03-02T20:08:14.9119163Z status: exit code: 1
2020-03-02T20:08:14.9119163Z status: exit code: 1
2020-03-02T20:08:14.9121786Z command: "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2/bin/rustc" "/checkout/src/test/ui/associated-type/associated-type-projection-ambig-between-bound-and-where-clause.rs" "-Zthreads=1" "--target=x86_64-unknown-linux-gnu" "--error-format" "json" "-Zui-testing" "-Zdeduplicate-diagnostics=no" "--emit" "metadata" "-C" "prefer-dynamic" "--out-dir" "/checkout/obj/build/x86_64-unknown-linux-gnu/test/ui/associated-type/associated-type-projection-ambig-between-bound-and-where-clause" "-Crpath" "-O" "-Cdebuginfo=0" "-Zunstable-options" "-Lnative=/checkout/obj/build/x86_64-unknown-linux-gnu/native/rust-test-helpers" "-A" "unused" "-L" "/checkout/obj/build/x86_64-unknown-linux-gnu/test/ui/associated-type/associated-type-projection-ambig-between-bound-and-where-clause/auxiliary"
2020-03-02T20:08:14.9123852Z ------------------------------------------
2020-03-02T20:08:14.9124042Z 
2020-03-02T20:08:14.9124424Z ------------------------------------------
2020-03-02T20:08:14.9124653Z stderr:
2020-03-02T20:08:14.9124653Z stderr:
2020-03-02T20:08:14.9125045Z ------------------------------------------
2020-03-02T20:08:14.9125372Z error[E0221]: ambiguous associated type `Color` in bounds of `C`
2020-03-02T20:08:14.9126142Z   --> /checkout/src/test/ui/associated-type/associated-type-projection-ambig-between-bound-and-where-clause.rs:16:24
2020-03-02T20:08:14.9126523Z    |
2020-03-02T20:08:14.9126693Z LL |     type Color;
2020-03-02T20:08:14.9127163Z    |     ----------- ambiguous `Color` from `Vehicle`
2020-03-02T20:08:14.9127559Z LL |     type Color;
2020-03-02T20:08:14.9128013Z    |     ----------- ambiguous `Color` from `Box`
2020-03-02T20:08:14.9128235Z ...
2020-03-02T20:08:14.9128235Z ...
2020-03-02T20:08:14.9128457Z LL | fn a<C:Vehicle+Box>(_: C::Color) {
2020-03-02T20:08:14.9129080Z    |
2020-03-02T20:08:14.9129303Z help: use fully qualified syntax to disambiguate
2020-03-02T20:08:14.9129537Z    |
2020-03-02T20:08:14.9129537Z    |
2020-03-02T20:08:14.9129782Z LL | fn a<C:Vehicle+Box>(_: <C as Box>::Color) {
2020-03-02T20:08:14.9130405Z help: use fully qualified syntax to disambiguate
2020-03-02T20:08:14.9130623Z    |
2020-03-02T20:08:14.9130623Z    |
2020-03-02T20:08:14.9130874Z LL | fn a<C:Vehicle+Box>(_: <C as Vehicle>::Color) {
2020-03-02T20:08:14.9131415Z 
2020-03-02T20:08:14.9131669Z error[E0221]: ambiguous associated type `Color` in bounds of `C`
2020-03-02T20:08:14.9132425Z   --> /checkout/src/test/ui/associated-type/associated-type-projection-ambig-between-bound-and-where-clause.rs:20:12
2020-03-02T20:08:14.9132819Z    |
2020-03-02T20:08:14.9132819Z    |
2020-03-02T20:08:14.9132994Z LL |     type Color;
2020-03-02T20:08:14.9133444Z    |     ----------- ambiguous `Color` from `Vehicle`
2020-03-02T20:08:14.9133853Z LL |     type Color;
2020-03-02T20:08:14.9134290Z    |     ----------- ambiguous `Color` from `Box`
2020-03-02T20:08:14.9134522Z ...
2020-03-02T20:08:14.9134522Z ...
2020-03-02T20:08:14.9134766Z LL | fn b<C>(_: C::Color) where C : Vehicle+Box {
2020-03-02T20:08:14.9135485Z    |
2020-03-02T20:08:14.9135723Z help: use fully qualified syntax to disambiguate
2020-03-02T20:08:14.9135941Z    |
2020-03-02T20:08:14.9135941Z    |
2020-03-02T20:08:14.9136203Z LL | fn b<C>(_: <C as Box>::Color) where C : Vehicle+Box {
2020-03-02T20:08:14.9136812Z help: use fully qualified syntax to disambiguate
2020-03-02T20:08:14.9137030Z    |
2020-03-02T20:08:14.9137030Z    |
2020-03-02T20:08:14.9137314Z LL | fn b<C>(_: <C as Vehicle>::Color) where C : Vehicle+Box {
2020-03-02T20:08:14.9137828Z 
2020-03-02T20:08:14.9138080Z error[E0221]: ambiguous associated type `Color` in bounds of `C`
2020-03-02T20:08:14.9138860Z   --> /checkout/src/test/ui/associated-type/associated-type-projection-ambig-between-bound-and-where-clause.rs:24:12
2020-03-02T20:08:14.9139237Z    |
2020-03-02T20:08:14.9139237Z    |
2020-03-02T20:08:14.9139403Z LL |     type Color;
2020-03-02T20:08:14.9139868Z    |     ----------- ambiguous `Color` from `Vehicle`
2020-03-02T20:08:14.9140256Z LL |     type Color;
2020-03-02T20:08:14.9140707Z    |     ----------- ambiguous `Color` from `Box`
2020-03-02T20:08:14.9140925Z ...
2020-03-02T20:08:14.9140925Z ...
2020-03-02T20:08:14.9141182Z LL | fn c<C>(_: C::Color) where C : Vehicle, C : Box {
2020-03-02T20:08:14.9141856Z    |
2020-03-02T20:08:14.9142078Z help: use fully qualified syntax to disambiguate
2020-03-02T20:08:14.9142313Z    |
2020-03-02T20:08:14.9142313Z    |
2020-03-02T20:08:14.9142597Z LL | fn c<C>(_: <C as Box>::Color) where C : Vehicle, C : Box {
2020-03-02T20:08:14.9143273Z help: use fully qualified syntax to disambiguate
2020-03-02T20:08:14.9143491Z    |
2020-03-02T20:08:14.9143491Z    |
2020-03-02T20:08:14.9143779Z LL | fn c<C>(_: <C as Vehicle>::Color) where C : Vehicle, C : Box {
2020-03-02T20:08:14.9144311Z 
2020-03-02T20:08:14.9144557Z error[E0221]: ambiguous associated type `Color` in bounds of `X`
2020-03-02T20:08:14.9145318Z   --> /checkout/src/test/ui/associated-type/associated-type-projection-ambig-between-bound-and-where-clause.rs:38:20
2020-03-02T20:08:14.9145708Z    |
2020-03-02T20:08:14.9145708Z    |
2020-03-02T20:08:14.9145875Z LL |     type Color;
2020-03-02T20:08:14.9146329Z    |     ----------- ambiguous `Color` from `Vehicle`
2020-03-02T20:08:14.9146738Z LL |     type Color;
2020-03-02T20:08:14.9147175Z    |     ----------- ambiguous `Color` from `Box`
2020-03-02T20:08:14.9147409Z ...
2020-03-02T20:08:14.9147409Z ...
2020-03-02T20:08:14.9147664Z LL |     fn f(&self, _: X::Color) where X : Box { }
2020-03-02T20:08:14.9148294Z    |
2020-03-02T20:08:14.9148517Z help: use fully qualified syntax to disambiguate
2020-03-02T20:08:14.9148740Z    |
2020-03-02T20:08:14.9148740Z    |
2020-03-02T20:08:14.9149013Z LL |     fn f(&self, _: <X as Box>::Color) where X : Box { }
2020-03-02T20:08:14.9149654Z help: use fully qualified syntax to disambiguate
2020-03-02T20:08:14.9149872Z    |
2020-03-02T20:08:14.9149872Z    |
2020-03-02T20:08:14.9150168Z LL |     fn f(&self, _: <X as Vehicle>::Color) where X : Box { }
2020-03-02T20:08:14.9150712Z 
2020-03-02T20:08:14.9150977Z error[E0221]: ambiguous associated type `Color` in bounds of `X`
2020-03-02T20:08:14.9151729Z   --> /checkout/src/test/ui/associated-type/associated-type-projection-ambig-between-bound-and-where-clause.rs:30:20
2020-03-02T20:08:14.9152115Z    |
2020-03-02T20:08:14.9152115Z    |
2020-03-02T20:08:14.9152296Z LL |     type Color;
2020-03-02T20:08:14.9160774Z    |     ----------- ambiguous `Color` from `Vehicle`
2020-03-02T20:08:14.9161215Z LL |     type Color;
2020-03-02T20:08:14.9161661Z    |     ----------- ambiguous `Color` from `Box`
2020-03-02T20:08:14.9161883Z ...
2020-03-02T20:08:14.9161883Z ...
2020-03-02T20:08:14.9162133Z LL |     fn d(&self, _: X::Color) where X : Box { }
2020-03-02T20:08:14.9162767Z    |
2020-03-02T20:08:14.9162993Z help: use fully qualified syntax to disambiguate
2020-03-02T20:08:14.9163228Z    |
2020-03-02T20:08:14.9163228Z    |
2020-03-02T20:08:14.9163518Z LL |     fn d(&self, _: <X as Box>::Color) where X : Box { }
2020-03-02T20:08:14.9164168Z help: use fully qualified syntax to disambiguate
2020-03-02T20:08:14.9164387Z    |
2020-03-02T20:08:14.9164387Z    |
2020-03-02T20:08:14.9164668Z LL |     fn d(&self, _: <X as Vehicle>::Color) where X : Box { }
2020-03-02T20:08:14.9165231Z 
2020-03-02T20:08:14.9165481Z error[E0221]: ambiguous associated type `Color` in bounds of `X`
2020-03-02T20:08:14.9166241Z   --> /checkout/src/test/ui/associated-type/associated-type-projection-ambig-between-bound-and-where-clause.rs:35:20
2020-03-02T20:08:14.9166630Z    |
2020-03-02T20:08:14.9166630Z    |
2020-03-02T20:08:14.9166799Z LL |     type Color;
2020-03-02T20:08:14.9167255Z    |     ----------- ambiguous `Color` from `Vehicle`
2020-03-02T20:08:14.9167664Z LL |     type Color;
2020-03-02T20:08:14.9168108Z    |     ----------- ambiguous `Color` from `Box`
2020-03-02T20:08:14.9168342Z ...
2020-03-02T20:08:14.9168342Z ...
2020-03-02T20:08:14.9168740Z LL |     fn e(&self, _: X::Color) where X : Box;
2020-03-02T20:08:14.9169370Z    |
2020-03-02T20:08:14.9169595Z help: use fully qualified syntax to disambiguate
2020-03-02T20:08:14.9169884Z    |
2020-03-02T20:08:14.9169884Z    |
2020-03-02T20:08:14.9170164Z LL |     fn e(&self, _: <X as Box>::Color) where X : Box;
2020-03-02T20:08:14.9170791Z help: use fully qualified syntax to disambiguate
2020-03-02T20:08:14.9171022Z    |
2020-03-02T20:08:14.9171022Z    |
2020-03-02T20:08:14.9171298Z LL |     fn e(&self, _: <X as Vehicle>::Color) where X : Box;
2020-03-02T20:08:14.9171833Z 
2020-03-02T20:08:14.9172046Z error: aborting due to 6 previous errors
2020-03-02T20:08:14.9172230Z 
2020-03-02T20:08:14.9172700Z For more information about this error, try `rustc --explain E0221`.
---
2020-03-02T20:08:14.9174774Z 94    |
2020-03-02T20:08:14.9175684Z 95    = help: consider introducing a new type parameter, adding `where` constraints using the fully-qualified path to the associated types
2020-03-02T20:08:14.9176078Z 96 
2020-03-02T20:08:14.9176487Z - error: aborting due to 6 previous errors
2020-03-02T20:08:14.9177159Z + error[E0277]: the size for values of type `(dyn BoxCar + 'static)` cannot be known at compilation time
2020-03-02T20:08:14.9177868Z +   --> $DIR/associated-type-projection-from-multiple-supertraits.rs:23:23
2020-03-02T20:08:14.9178170Z +    |
2020-03-02T20:08:14.9178450Z + LL | fn dent_object<COLOR>(c: dyn BoxCar<Color=COLOR>) {
2020-03-02T20:08:14.9179048Z +    |                       ^ doesn't have a size known at compile-time
2020-03-02T20:08:14.9179316Z +    |
2020-03-02T20:08:14.9179867Z +    = help: the trait `std::marker::Sized` is not implemented for `(dyn BoxCar + 'static)`
2020-03-02T20:08:14.9181292Z +    = note: all local variables must have a statically known size
2020-03-02T20:08:14.9181886Z +    = help: unsized locals are gated as an unstable feature
2020-03-02T20:08:14.9182132Z 98 
2020-03-02T20:08:14.9182612Z - Some errors have detailed explanations: E0191, E0221, E0222.
2020-03-02T20:08:14.9182612Z - Some errors have detailed explanations: E0191, E0221, E0222.
2020-03-02T20:08:14.9183784Z + error[E0277]: the size for values of type `(dyn BoxCar + 'static)` cannot be known at compilation time
2020-03-02T20:08:14.9184837Z +   --> $DIR/associated-type-projection-from-multiple-supertraits.rs:32:25
2020-03-02T20:08:14.9185142Z +    |
2020-03-02T20:08:14.9185522Z + LL | fn dent_object_2<COLOR>(c: dyn BoxCar) where <dyn BoxCar as Vehicle>::Color = COLOR {
2020-03-02T20:08:14.9186205Z +    |                         ^ doesn't have a size known at compile-time
2020-03-02T20:08:14.9186477Z +    |
2020-03-02T20:08:14.9187038Z +    = help: the trait `std::marker::Sized` is not implemented for `(dyn BoxCar + 'static)`
2020-03-02T20:08:14.9188448Z +    = note: all local variables must have a statically known size
2020-03-02T20:08:14.9188834Z +    = help: unsized locals are gated as an unstable feature
2020-03-02T20:08:14.9189077Z + 
2020-03-02T20:08:14.9189287Z + error: aborting due to 8 previous errors
---
2020-03-02T20:08:14.9190932Z 
2020-03-02T20:08:14.9191035Z 
2020-03-02T20:08:14.9191254Z The actual stderr differed from the expected stderr.
2020-03-02T20:08:14.9192215Z Actual stderr saved to /checkout/obj/build/x86_64-unknown-linux-gnu/test/ui/associated-type/associated-type-projection-from-multiple-supertraits/associated-type-projection-from-multiple-supertraits.stderr
2020-03-02T20:08:14.9193125Z To update references, rerun the tests and pass the `--bless` flag
2020-03-02T20:08:14.9193874Z To only update this specific test, also pass `--test-args associated-type/associated-type-projection-from-multiple-supertraits.rs`
2020-03-02T20:08:14.9194441Z error: 1 errors occurred comparing output.
2020-03-02T20:08:14.9194694Z status: exit code: 1
2020-03-02T20:08:14.9194694Z status: exit code: 1
2020-03-02T20:08:14.9197110Z command: "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2/bin/rustc" "/checkout/src/test/ui/associated-type/associated-type-projection-from-multiple-supertraits.rs" "-Zthreads=1" "--target=x86_64-unknown-linux-gnu" "--error-format" "json" "-Zui-testing" "-Zdeduplicate-diagnostics=no" "--emit" "metadata" "-C" "prefer-dynamic" "--out-dir" "/checkout/obj/build/x86_64-unknown-linux-gnu/test/ui/associated-type/associated-type-projection-from-multiple-supertraits" "-Crpath" "-O" "-Cdebuginfo=0" "-Zunstable-options" "-Lnative=/checkout/obj/build/x86_64-unknown-linux-gnu/native/rust-test-helpers" "-A" "unused" "-L" "/checkout/obj/build/x86_64-unknown-linux-gnu/test/ui/associated-type/associated-type-projection-from-multiple-supertraits/auxiliary"
2020-03-02T20:08:14.9199054Z ------------------------------------------
2020-03-02T20:08:14.9199239Z 
2020-03-02T20:08:14.9199621Z ------------------------------------------
2020-03-02T20:08:14.9199849Z stderr:
2020-03-02T20:08:14.9199849Z stderr:
2020-03-02T20:08:14.9200240Z ------------------------------------------
2020-03-02T20:08:14.9200570Z error: equality constraints are not yet supported in `where` clauses
2020-03-02T20:08:14.9201308Z   --> /checkout/src/test/ui/associated-type/associated-type-projection-from-multiple-supertraits.rs:32:46
2020-03-02T20:08:14.9201664Z    |
2020-03-02T20:08:14.9202021Z LL | fn dent_object_2<COLOR>(c: dyn BoxCar) where <dyn BoxCar as Vehicle>::Color = COLOR {
2020-03-02T20:08:14.9202858Z    |
2020-03-02T20:08:14.9202858Z    |
2020-03-02T20:08:14.9203554Z    = note: see issue #20041 <***/issues/20041> for more information
2020-03-02T20:08:14.9204041Z error[E0221]: ambiguous associated type `Color` in bounds of `C`
2020-03-02T20:08:14.9204772Z   --> /checkout/src/test/ui/associated-type/associated-type-projection-from-multiple-supertraits.rs:19:32
2020-03-02T20:08:14.9205122Z    |
2020-03-02T20:08:14.9205289Z LL |     type Color;
2020-03-02T20:08:14.9205289Z LL |     type Color;
2020-03-02T20:08:14.9205753Z    |     ----------- ambiguous `Color` from `Vehicle`
2020-03-02T20:08:14.9206151Z LL |     type Color;
2020-03-02T20:08:14.9206594Z    |     ----------- ambiguous `Color` from `Box`
2020-03-02T20:08:14.9206830Z ...
2020-03-02T20:08:14.9206830Z ...
2020-03-02T20:08:14.9207071Z LL | fn dent<C:BoxCar>(c: C, color: C::Color) {
2020-03-02T20:08:14.9207733Z    |
2020-03-02T20:08:14.9207955Z help: use fully qualified syntax to disambiguate
2020-03-02T20:08:14.9208174Z    |
2020-03-02T20:08:14.9208174Z    |
2020-03-02T20:08:14.9208454Z LL | fn dent<C:BoxCar>(c: C, color: <C as Box>::Color) {
2020-03-02T20:08:14.9209385Z help: use fully qualified syntax to disambiguate
2020-03-02T20:08:14.9209621Z    |
2020-03-02T20:08:14.9209621Z    |
2020-03-02T20:08:14.9209892Z LL | fn dent<C:BoxCar>(c: C, color: <C as Vehicle>::Color) {
2020-03-02T20:08:14.9210480Z 
2020-03-02T20:08:14.9210480Z 
2020-03-02T20:08:14.9210737Z error[E0222]: ambiguous associated type `Color` in bounds of `BoxCar`
2020-03-02T20:08:14.9211945Z    |
2020-03-02T20:08:14.9212113Z LL |     type Color;
2020-03-02T20:08:14.9212113Z LL |     type Color;
2020-03-02T20:08:14.9212575Z    |     ----------- ambiguous `Color` from `Vehicle`
2020-03-02T20:08:14.9213043Z LL |     type Color;
2020-03-02T20:08:14.9213490Z    |     ----------- ambiguous `Color` from `Box`
2020-03-02T20:08:14.9213710Z ...
2020-03-02T20:08:14.9213710Z ...
2020-03-02T20:08:14.9213977Z LL | fn dent_object<COLOR>(c: dyn BoxCar<Color=COLOR>) {
2020-03-02T20:08:14.9214670Z    |
2020-03-02T20:08:14.9214984Z    = help: consider introducing a new type parameter `T` and adding `where` constraints:
2020-03-02T20:08:14.9216882Z                where
2020-03-02T20:08:14.9216882Z                where
2020-03-02T20:08:14.9217114Z                    T: BoxCar,
2020-03-02T20:08:14.9217423Z                    T: Box::Color = COLOR,
2020-03-02T20:08:14.9217738Z                    T: Vehicle::Color = COLOR
2020-03-02T20:08:14.9217942Z 
2020-03-02T20:08:14.9218306Z error[E0191]: the value of the associated types `Color` (from trait `Box`), `Color` (from trait `Vehicle`) must be specified
2020-03-02T20:08:14.9219613Z    |
2020-03-02T20:08:14.9219784Z LL |     type Color;
2020-03-02T20:08:14.9219784Z LL |     type Color;
2020-03-02T20:08:14.9220262Z    |     ----------- `Vehicle::Color` defined here
2020-03-02T20:08:14.9220668Z LL |     type Color;
2020-03-02T20:08:14.9221125Z    |     ----------- `Box::Color` defined here
2020-03-02T20:08:14.9221350Z ...
2020-03-02T20:08:14.9221350Z ...
2020-03-02T20:08:14.9221602Z LL | fn dent_object<COLOR>(c: dyn BoxCar<Color=COLOR>) {
2020-03-02T20:08:14.9222136Z    |                              ^^^^^^^^^^^^^^^^^^^ associated types `Color` (from trait `Vehicle`), `Color` (from trait `Box`) must be specified
2020-03-02T20:08:14.9225955Z    = help: consider introducing a new type parameter, adding `where` constraints using the fully-qualified path to the associated types
2020-03-02T20:08:14.9226350Z 
2020-03-02T20:08:14.9226603Z error[E0221]: ambiguous associated type `Color` in bounds of `C`
2020-03-02T20:08:14.9227338Z   --> /checkout/src/test/ui/associated-type/associated-type-projection-from-multiple-supertraits.rs:28:29
2020-03-02T20:08:14.9227338Z   --> /checkout/src/test/ui/associated-type/associated-type-projection-from-multiple-supertraits.rs:28:29
2020-03-02T20:08:14.9227705Z    |
2020-03-02T20:08:14.9227875Z LL |     type Color;
2020-03-02T20:08:14.9228331Z    |     ----------- ambiguous `Color` from `Vehicle`
2020-03-02T20:08:14.9228740Z LL |     type Color;
2020-03-02T20:08:14.9229180Z    |     ----------- ambiguous `Color` from `Box`
2020-03-02T20:08:14.9229696Z ...
2020-03-02T20:08:14.9229696Z ...
2020-03-02T20:08:14.9229934Z LL | fn paint<C:BoxCar>(c: C, d: C::Color) {
2020-03-02T20:08:14.9230579Z    |
2020-03-02T20:08:14.9230810Z help: use fully qualified syntax to disambiguate
2020-03-02T20:08:14.9231035Z    |
2020-03-02T20:08:14.9231035Z    |
2020-03-02T20:08:14.9231294Z LL | fn paint<C:BoxCar>(c: C, d: <C as Box>::Color) {
2020-03-02T20:08:14.9231954Z help: use fully qualified syntax to disambiguate
2020-03-02T20:08:14.9232174Z    |
2020-03-02T20:08:14.9232174Z    |
2020-03-02T20:08:14.9232452Z LL | fn paint<C:BoxCar>(c: C, d: <C as Vehicle>::Color) {
2020-03-02T20:08:14.9233007Z 
2020-03-02T20:08:14.9233007Z 
2020-03-02T20:08:14.9233387Z error[E0191]: the value of the associated types `Color` (from trait `Box`), `Color` (from trait `Vehicle`) must be specified
2020-03-02T20:08:14.9234728Z    |
2020-03-02T20:08:14.9234911Z LL |     type Color;
2020-03-02T20:08:14.9234911Z LL |     type Color;
2020-03-02T20:08:14.9235532Z    |     ----------- `Vehicle::Color` defined here
2020-03-02T20:08:14.9235954Z LL |     type Color;
2020-03-02T20:08:14.9236409Z    |     ----------- `Box::Color` defined here
2020-03-02T20:08:14.9236635Z ...
2020-03-02T20:08:14.9236635Z ...
2020-03-02T20:08:14.9236977Z LL | fn dent_object_2<COLOR>(c: dyn BoxCar) where <dyn BoxCar as Vehicle>::Color = COLOR {
2020-03-02T20:08:14.9237648Z    |                                ^^^^^^ associated types `Color` (from trait `Vehicle`), `Color` (from trait `Box`) must be specified
2020-03-02T20:08:14.9238711Z    = help: consider introducing a new type parameter, adding `where` constraints using the fully-qualified path to the associated types
2020-03-02T20:08:14.9239069Z 
2020-03-02T20:08:14.9239069Z 
2020-03-02T20:08:14.9239631Z error[E0277]: the size for values of type `(dyn BoxCar + 'static)` cannot be known at compilation time
2020-03-02T20:08:14.9240791Z    |
2020-03-02T20:08:14.9240791Z    |
2020-03-02T20:08:14.9241049Z LL | fn dent_object<COLOR>(c: dyn BoxCar<Color=COLOR>) {
2020-03-02T20:08:14.9241629Z    |                       ^ doesn't have a size known at compile-time
2020-03-02T20:08:14.9241906Z    |
2020-03-02T20:08:14.9242450Z    = help: the trait `std::marker::Sized` is not implemented for `(dyn BoxCar + 'static)`
2020-03-02T20:08:14.9243852Z    = note: all local variables must have a statically known size
2020-03-02T20:08:14.9250630Z    = help: unsized locals are gated as an unstable feature
2020-03-02T20:08:14.9250863Z 
2020-03-02T20:08:14.9250863Z 
2020-03-02T20:08:14.9252312Z error[E0277]: the size for values of type `(dyn BoxCar + 'static)` cannot be known at compilation time
2020-03-02T20:08:14.9253474Z    |
2020-03-02T20:08:14.9253474Z    |
2020-03-02T20:08:14.9255324Z LL | fn dent_object_2<COLOR>(c: dyn BoxCar) where <dyn BoxCar as Vehicle>::Color = COLOR {
2020-03-02T20:08:14.9256102Z    |                         ^ doesn't have a size known at compile-time
2020-03-02T20:08:14.9256369Z    |
2020-03-02T20:08:14.9256939Z    = help: the trait `std::marker::Sized` is not implemented for `(dyn BoxCar + 'static)`
2020-03-02T20:08:14.9258320Z    = note: all local variables must have a statically known size
2020-03-02T20:08:14.9258697Z    = help: unsized locals are gated as an unstable feature
2020-03-02T20:08:14.9258918Z 
2020-03-02T20:08:14.9259119Z error: aborting due to 8 previous errors
---
2020-03-02T20:08:14.9262218Z 
2020-03-02T20:08:14.9262773Z 1 error[E0212]: cannot extract an associated type from a higher-ranked trait bound in this context
2020-03-02T20:08:14.9263463Z -   --> $DIR/associated-types-project-from-hrtb-in-trait-method.rs:13:32
2020-03-02T20:08:14.9263922Z -    |
2020-03-02T20:08:14.9264346Z - LL |     fn some_method(&self, arg: I::A);
2020-03-02T20:08:14.9265241Z -    |                                ^^^^ help: use a fully qualified path with inferred lifetimes: `<I as Foo<&isize>>::A`
2020-03-02T20:08:14.9266620Z - error[E0212]: cannot extract an associated type from a higher-ranked trait bound in this context
2020-03-02T20:08:14.9267330Z 8   --> $DIR/associated-types-project-from-hrtb-in-trait-method.rs:32:24
2020-03-02T20:08:14.9267644Z 9    |
2020-03-02T20:08:14.9267644Z 9    |
2020-03-02T20:08:14.9268057Z 10 LL |     fn mango(&self) -> X::Assoc {
2020-03-02T20:08:14.9268260Z 
2020-03-02T20:08:14.9269035Z 11    |                        ^^^^^^^^ help: use a fully qualified path with inferred lifetimes: `<X as Banana<'_>>::Assoc`
2020-03-02T20:08:14.9270000Z + error[E0212]: cannot extract an associated type from a higher-ranked trait bound in this context
2020-03-02T20:08:14.9270700Z +   --> $DIR/associated-types-project-from-hrtb-in-trait-method.rs:13:32
2020-03-02T20:08:14.9270993Z +    |
2020-03-02T20:08:14.9270993Z +    |
2020-03-02T20:08:14.9271231Z + LL |     fn some_method(&self, arg: I::A);
2020-03-02T20:08:14.9271766Z +    |                                ^^^^ help: use a fully qualified path with inferred lifetimes: `<I as Foo<&isize>>::A`
2020-03-02T20:08:14.9272397Z 13 error: aborting due to 2 previous errors
2020-03-02T20:08:14.9272625Z 14 
2020-03-02T20:08:14.9272735Z 
2020-03-02T20:08:14.9272839Z 
2020-03-02T20:08:14.9272839Z 
2020-03-02T20:08:14.9273057Z The actual stderr differed from the expected stderr.
2020-03-02T20:08:14.9273998Z Actual stderr saved to /checkout/obj/build/x86_64-unknown-linux-gnu/test/ui/associated-types/associated-types-project-from-hrtb-in-trait-method/associated-types-project-from-hrtb-in-trait-method.stderr
2020-03-02T20:08:14.9274827Z To update references, rerun the tests and pass the `--bless` flag
2020-03-02T20:08:14.9275579Z To only update this specific test, also pass `--test-args associated-types/associated-types-project-from-hrtb-in-trait-method.rs`
2020-03-02T20:08:14.9276155Z error: 1 errors occurred comparing output.
2020-03-02T20:08:14.9276406Z status: exit code: 1
2020-03-02T20:08:14.9276406Z status: exit code: 1
2020-03-02T20:08:14.9278978Z command: "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2/bin/rustc" "/checkout/src/test/ui/associated-types/associated-types-project-from-hrtb-in-trait-method.rs" "-Zthreads=1" "--target=x86_64-unknown-linux-gnu" "--error-format" "json" "-Zui-testing" "-Zdeduplicate-diagnostics=no" "--emit" "metadata" "-C" "prefer-dynamic" "--out-dir" "/checkout/obj/build/x86_64-unknown-linux-gnu/test/ui/associated-types/associated-types-project-from-hrtb-in-trait-method" "-Crpath" "-O" "-Cdebuginfo=0" "-Zunstable-options" "-Lnative=/checkout/obj/build/x86_64-unknown-linux-gnu/native/rust-test-helpers" "-A" "unused" "-L" "/checkout/obj/build/x86_64-unknown-linux-gnu/test/ui/associated-types/associated-types-project-from-hrtb-in-trait-method/auxiliary"
2020-03-02T20:08:14.9280931Z ------------------------------------------
2020-03-02T20:08:14.9281118Z 
2020-03-02T20:08:14.9281514Z ------------------------------------------
2020-03-02T20:08:14.9281729Z stderr:
2020-03-02T20:08:14.9281729Z stderr:
2020-03-02T20:08:14.9282248Z ------------------------------------------
2020-03-02T20:08:14.9282874Z error[E0212]: cannot extract an associated type from a higher-ranked trait bound in this context
2020-03-02T20:08:14.9283655Z   --> /checkout/src/test/ui/associated-types/associated-types-project-from-hrtb-in-trait-method.rs:32:24
2020-03-02T20:08:14.9284006Z    |
2020-03-02T20:08:14.9284413Z LL |     fn mango(&self) -> X::Assoc {
2020-03-02T20:08:14.9285168Z    |                        ^^^^^^^^ help: use a fully qualified path with inferred lifetimes: `<X as Banana<'_>>::Assoc`
2020-03-02T20:08:14.9286530Z error[E0212]: cannot extract an associated type from a higher-ranked trait bound in this context
2020-03-02T20:08:14.9287300Z   --> /checkout/src/test/ui/associated-types/associated-types-project-from-hrtb-in-trait-method.rs:13:32
2020-03-02T20:08:14.9287655Z    |
2020-03-02T20:08:14.9287655Z    |
2020-03-02T20:08:14.9287898Z LL |     fn some_method(&self, arg: I::A);
2020-03-02T20:08:14.9288438Z    |                                ^^^^ help: use a fully qualified path with inferred lifetimes: `<I as Foo<&isize>>::A`
2020-03-02T20:08:14.9289124Z error: aborting due to 2 previous errors
2020-03-02T20:08:14.9289455Z 
2020-03-02T20:08:14.9289559Z 
2020-03-02T20:08:14.9289965Z ------------------------------------------
---
2020-03-02T20:08:14.9291262Z 
2020-03-02T20:08:14.9291901Z 1 error[E0582]: binding for associated type `Item` references lifetime `'a`, which does not appear in the trait input types
2020-03-02T20:08:14.9292791Z +   --> $DIR/bound-lifetime-in-binding-only.rs:27:31
2020-03-02T20:08:14.9293048Z +    |
2020-03-02T20:08:14.9293509Z + LL | fn angle3(_: &dyn for<'a> Foo<Item=&'a i32>) {
2020-03-02T20:08:14.9294054Z + 
2020-03-02T20:08:14.9294689Z + error[E0582]: binding for associated type `Item` references lifetime `'a`, which does not appear in the trait input types
2020-03-02T20:08:14.9295976Z 2   --> $DIR/bound-lifetime-in-binding-only.rs:12:25
2020-03-02T20:08:14.9296231Z 3    |
2020-03-02T20:08:14.9296231Z 3    |
2020-03-02T20:08:14.9296679Z 4 LL | fn angle<T: for<'a> Foo<Item=&'a i32>>() {
2020-03-02T20:08:14.9297025Z 15    |
2020-03-02T20:08:14.9297025Z 15    |
2020-03-02T20:08:14.9297503Z 16 LL | fn angle2<T>() where for<'a> T: Foo<Item=&'a i32> {
2020-03-02T20:08:14.9298247Z - 
2020-03-02T20:08:14.9298870Z - error[E0582]: binding for associated type `Item` references lifetime `'a`, which does not appear in the trait input types
2020-03-02T20:08:14.9299559Z -   --> $DIR/bound-lifetime-in-binding-only.rs:27:31
2020-03-02T20:08:14.9299954Z -    |
2020-03-02T20:08:14.9299954Z -    |
2020-03-02T20:08:14.9300521Z - LL | fn angle3(_: &dyn for<'a> Foo<Item=&'a i32>) {
2020-03-02T20:08:14.9301270Z 24 
2020-03-02T20:08:14.9301485Z 25 error: aborting due to 4 previous errors
2020-03-02T20:08:14.9301710Z 26 
2020-03-02T20:08:14.9301825Z 
2020-03-02T20:08:14.9301825Z 
2020-03-02T20:08:14.9301930Z 
2020-03-02T20:08:14.9302150Z The actual stderr differed from the expected stderr.
2020-03-02T20:08:14.9303006Z Actual stderr saved to /checkout/obj/build/x86_64-unknown-linux-gnu/test/ui/associated-types/bound-lifetime-in-binding-only.angle/bound-lifetime-in-binding-only.angle.stderr
2020-03-02T20:08:14.9303899Z To update references, rerun the tests and pass the `--bless` flag
2020-03-02T20:08:14.9304616Z To only update this specific test, also pass `--test-args associated-types/bound-lifetime-in-binding-only.rs`
2020-03-02T20:08:14.9304925Z 
2020-03-02T20:08:14.9305177Z error in revision `angle`: 1 errors occurred comparing output.
2020-03-02T20:08:14.9305486Z status: exit code: 1
2020-03-02T20:08:14.9307802Z command: "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2/bin/rustc" "/checkout/src/test/ui/associated-types/bound-lifetime-in-binding-only.rs" "-Zthreads=1" "--target=x86_64-unknown-linux-gnu" "--cfg" "angle" "--error-format" "json" "-Zui-testing" "-Zdeduplicate-diagnostics=no" "--emit" "metadata" "-C" "prefer-dynamic" "--out-dir" "/checkout/obj/build/x86_64-unknown-linux-gnu/test/ui/associated-types/bound-lifetime-in-binding-only.angle" "-Crpath" "-O" "-Cdebuginfo=0" "-Zunstable-options" "-Lnative=/checkout/obj/build/x86_64-unknown-linux-gnu/native/rust-test-helpers" "-A" "unused" "-L" "/checkout/obj/build/x86_64-unknown-linux-gnu/test/ui/associated-types/bound-lifetime-in-binding-only.angle/auxiliary"
2020-03-02T20:08:14.9309812Z ------------------------------------------
2020-03-02T20:08:14.9310000Z 
2020-03-02T20:08:14.9310396Z ------------------------------------------
2020-03-02T20:08:14.9310611Z stderr:
2020-03-02T20:08:14.9310611Z stderr:
2020-03-02T20:08:14.9311134Z ------------------------------------------
2020-03-02T20:08:14.9311838Z error[E0582]: binding for associated type `Item` references lifetime `'a`, which does not appear in the trait input types
2020-03-02T20:08:14.9312684Z   --> /checkout/src/test/ui/associated-types/bound-lifetime-in-binding-only.rs:27:31
2020-03-02T20:08:14.9313000Z    |
2020-03-02T20:08:14.9313585Z LL | fn angle3(_: &dyn for<'a> Foo<Item=&'a i32>) {
2020-03-02T20:08:14.9314099Z 
2020-03-02T20:08:14.9314804Z error[E0582]: binding for associated type `Item` references lifetime `'a`, which does not appear in the trait input types
2020-03-02T20:08:14.9315554Z   --> /checkout/src/test/ui/associated-types/bound-lifetime-in-binding-only.rs:12:25
2020-03-02T20:08:14.9315861Z    |
2020-03-02T20:08:14.9315861Z    |
2020-03-02T20:08:14.9316288Z LL | fn angle<T: for<'a> Foo<Item=&'a i32>>() {
2020-03-02T20:08:14.9316765Z 
2020-03-02T20:08:14.9317373Z error[E0582]: binding for associated type `Item` references lifetime `'a`, which does not appear in the trait input types
2020-03-02T20:08:14.9318133Z   --> /checkout/src/test/ui/associated-types/bound-lifetime-in-binding-only.rs:17:37
2020-03-02T20:08:14.9318443Z    |
2020-03-02T20:08:14.9318443Z    |
2020-03-02T20:08:14.9319005Z LL | fn angle1<T>() where T: for<'a> Foo<Item=&'a i32> {
2020-03-02T20:08:14.9319571Z 
2020-03-02T20:08:14.9320614Z error[E0582]: binding for associated type `Item` references lifetime `'a`, which does not appear in the trait input types
2020-03-02T20:08:14.9321388Z   --> /checkout/src/test/ui/associated-types/bound-lifetime-in-binding-only.rs:22:37
2020-03-02T20:08:14.9321694Z    |
2020-03-02T20:08:14.9321694Z    |
2020-03-02T20:08:14.9322145Z LL | fn angle2<T>() where for<'a> T: Foo<Item=&'a i32> {
2020-03-02T20:08:14.9322710Z 
2020-03-02T20:08:14.9323006Z error: aborting due to 4 previous errors
2020-03-02T20:08:14.9323185Z 
2020-03-02T20:08:14.9323663Z For more information about this error, try `rustc --explain E0582`.
2020-03-02T20:08:14.9323663Z For more information about this error, try `rustc --explain E0582`.
2020-03-02T20:08:14.9323894Z 
2020-03-02T20:08:14.9324271Z ------------------------------------------
2020-03-02T20:08:14.9324460Z 
2020-03-02T20:08:14.9324564Z 
2020-03-02T20:08:14.9325069Z ---- [ui] ui/associated-types/bound-lifetime-in-binding-only.rs#paren stdout ----
2020-03-02T20:08:14.9325369Z diff of stderr:
2020-03-02T20:08:14.9325499Z 
2020-03-02T20:08:14.9326137Z 1 error[E0582]: binding for associated type `Output` references lifetime `'a`, which does not appear in the trait input types
2020-03-02T20:08:14.9326820Z +   --> $DIR/bound-lifetime-in-binding-only.rs:47:35
2020-03-02T20:08:14.9327516Z + LL | fn paren3(_: &dyn for<'a> Fn() -> &'a i32) {
2020-03-02T20:08:14.9327840Z +    |                                   ^^^^^^^
2020-03-02T20:08:14.9328052Z + 
2020-03-02T20:08:14.9328052Z + 
2020-03-02T20:08:14.9328692Z + error[E0582]: binding for associated type `Output` references lifetime `'a`, which does not appear in the trait input types
2020-03-02T20:08:14.9329607Z 3    |
2020-03-02T20:08:14.9329607Z 3    |
2020-03-02T20:08:14.9330045Z 4 LL | fn paren<T: for<'a> Fn() -> &'a i32>() {
2020-03-02T20:08:14.9330386Z 15    |
2020-03-02T20:08:14.9330386Z 15    |
2020-03-02T20:08:14.9330850Z 16 LL | fn paren2<T>() where for<'a> T: Fn() -> &'a i32 {
2020-03-02T20:08:14.9331593Z - 
2020-03-02T20:08:14.9331593Z - 
2020-03-02T20:08:14.9332220Z - error[E0582]: binding for associated type `Output` references lifetime `'a`, which does not appear in the trait input types
2020-03-02T20:08:14.9333304Z -    |
2020-03-02T20:08:14.9333736Z - LL | fn paren3(_: &dyn for<'a> Fn() -> &'a i32) {
2020-03-02T20:08:14.9334252Z -    |                                   ^^^^^^^
2020-03-02T20:08:14.9334468Z 24 
2020-03-02T20:08:14.9334468Z 24 
2020-03-02T20:08:14.9334682Z 25 error: aborting due to 4 previous errors
2020-03-02T20:08:14.9334907Z 26 
2020-03-02T20:08:14.9335017Z 
2020-03-02T20:08:14.9335119Z 
2020-03-02T20:08:14.9335511Z The actual stderr differed from the expected stderr.
2020-03-02T20:08:14.9336466Z Actual stderr saved to /checkout/obj/build/x86_64-unknown-linux-gnu/test/ui/associated-types/bound-lifetime-in-binding-only.paren/bound-lifetime-in-binding-only.paren.stderr
2020-03-02T20:08:14.9337252Z To update references, rerun the tests and pass the `--bless` flag
2020-03-02T20:08:14.9338016Z To only update this specific test, also pass `--test-args associated-types/bound-lifetime-in-binding-only.rs`
2020-03-02T20:08:14.9338338Z 
2020-03-02T20:08:14.9338588Z error in revision `paren`: 1 errors occurred comparing output.
2020-03-02T20:08:14.9338886Z status: exit code: 1
2020-03-02T20:08:14.9341697Z command: "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2/bin/rustc" "/checkout/src/test/ui/associated-types/bound-lifetime-in-binding-only.rs" "-Zthreads=1" "--target=x86_64-unknown-linux-gnu" "--cfg" "paren" "--error-format" "json" "-Zui-testing" "-Zdeduplicate-diagnostics=no" "--emit" "metadata" "-C" "prefer-dynamic" "--out-dir" "/checkout/obj/build/x86_64-unknown-linux-gnu/test/ui/associated-types/bound-lifetime-in-binding-only.paren" "-Crpath" "-O" "-Cdebuginfo=0" "-Zunstable-options" "-Lnative=/checkout/obj/build/x86_64-unknown-linux-gnu/native/rust-test-helpers" "-A" "unused" "-L" "/checkout/obj/build/x86_64-unknown-linux-gnu/test/ui/associated-types/bound-lifetime-in-binding-only.paren/auxiliary"
2020-03-02T20:08:14.9343567Z ------------------------------------------
2020-03-02T20:08:14.9343753Z 
2020-03-02T20:08:14.9344135Z ------------------------------------------
2020-03-02T20:08:14.9344362Z stderr:
2020-03-02T20:08:14.9344362Z stderr:
2020-03-02T20:08:14.9344752Z ------------------------------------------
2020-03-02T20:08:14.9345444Z error[E0582]: binding for associated type `Output` references lifetime `'a`, which does not appear in the trait input types
2020-03-02T20:08:14.9346522Z    |
2020-03-02T20:08:14.9346943Z LL | fn paren3(_: &dyn for<'a> Fn() -> &'a i32) {
2020-03-02T20:08:14.9347275Z    |                                   ^^^^^^^
2020-03-02T20:08:14.9347466Z 
2020-03-02T20:08:14.9347466Z 
2020-03-02T20:08:14.9348082Z error[E0582]: binding for associated type `Output` references lifetime `'a`, which does not appear in the trait input types
2020-03-02T20:08:14.9349161Z    |
2020-03-02T20:08:14.9349161Z    |
2020-03-02T20:08:14.9349570Z LL | fn paren<T: for<'a> Fn() -> &'a i32>() {
2020-03-02T20:08:14.9350055Z 
2020-03-02T20:08:14.9350055Z 
2020-03-02T20:08:14.9350671Z error[E0582]: binding for associated type `Output` references lifetime `'a`, which does not appear in the trait input types
2020-03-02T20:08:14.9351743Z    |
2020-03-02T20:08:14.9351743Z    |
2020-03-02T20:08:14.9352185Z LL | fn paren1<T>() where T: for<'a> Fn() -> &'a i32 {
2020-03-02T20:08:14.9352748Z 
2020-03-02T20:08:14.9352748Z 
2020-03-02T20:08:14.9353367Z error[E0582]: binding for associated type `Output` references lifetime `'a`, which does not appear in the trait input types
2020-03-02T20:08:14.9354447Z    |
2020-03-02T20:08:14.9354447Z    |
2020-03-02T20:08:14.9354890Z LL | fn paren2<T>() where for<'a> T: Fn() -> &'a i32 {
2020-03-02T20:08:14.9355826Z 
2020-03-02T20:08:14.9356035Z error: aborting due to 4 previous errors
2020-03-02T20:08:14.9356216Z 
2020-03-02T20:08:14.9356707Z For more information about this error, try `rustc --explain E0582`.
2020-03-02T20:08:14.9356707Z For more information about this error, try `rustc --explain E0582`.
2020-03-02T20:08:14.9356952Z 
2020-03-02T20:08:14.9357328Z ------------------------------------------
2020-03-02T20:08:14.9357513Z 
2020-03-02T20:08:14.9357616Z 
2020-03-02T20:08:14.9358021Z ---- [ui] ui/error-codes/E0229.rs stdout ----
2020-03-02T20:08:14.9358261Z diff of stderr:
2020-03-02T20:08:14.9358486Z 
2020-03-02T20:08:14.9358727Z 4 LL | fn baz<I>(x: &<I as Foo<A=Bar>>::A) {}
2020-03-02T20:08:14.9359098Z 5    |                         ^^^^^ associated type not allowed here
2020-03-02T20:08:14.9359740Z - error: aborting due to previous error
2020-03-02T20:08:14.9360148Z + error[E0277]: the trait bound `I: Foo` is not satisfied
2020-03-02T20:08:14.9360631Z +   --> $DIR/E0229.rs:13:1
2020-03-02T20:08:14.9360826Z +    |
2020-03-02T20:08:14.9360826Z +    |
2020-03-02T20:08:14.9361083Z + LL | fn baz<I>(x: &<I as Foo<A=Bar>>::A) {}
2020-03-02T20:08:14.9361472Z +    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `Foo` is not implemented for `I`
2020-03-02T20:08:14.9361765Z +    |
2020-03-02T20:08:14.9362061Z + help: consider restricting this type parameter with `I: Foo`
2020-03-02T20:08:14.9362548Z +   --> $DIR/E0229.rs:13:8
2020-03-02T20:08:14.9362740Z +    |
2020-03-02T20:08:14.9362981Z + LL | fn baz<I>(x: &<I as Foo<A=Bar>>::A) {}
2020-03-02T20:08:14.9363408Z 8 
2020-03-02T20:08:14.9363872Z - For more information about this error, try `rustc --explain E0229`.
2020-03-02T20:08:14.9364225Z + error: aborting due to 2 previous errors
2020-03-02T20:08:14.9364432Z + 
2020-03-02T20:08:14.9364432Z + 
2020-03-02T20:08:14.9364686Z + Some errors have detailed explanations: E0229, E0277.
2020-03-02T20:08:14.9365276Z + For more information about an error, try `rustc --explain E0229`.
2020-03-02T20:08:14.9365532Z 10 
2020-03-02T20:08:14.9365644Z 
2020-03-02T20:08:14.9365747Z 
2020-03-02T20:08:14.9365979Z The actual stderr differed from the expected stderr.
2020-03-02T20:08:14.9366641Z Actual stderr saved to /checkout/obj/build/x86_64-unknown-linux-gnu/test/ui/error-codes/E0229/E0229.stderr
2020-03-02T20:08:14.9367282Z To update references, rerun the tests and pass the `--bless` flag
2020-03-02T20:08:14.9367901Z To only update this specific test, also pass `--test-args error-codes/E0229.rs`
2020-03-02T20:08:14.9368360Z error: 1 errors occurred comparing output.
2020-03-02T20:08:14.9368626Z status: exit code: 1
2020-03-02T20:08:14.9368626Z status: exit code: 1
2020-03-02T20:08:14.9370630Z command: "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2/bin/rustc" "/checkout/src/test/ui/error-codes/E0229.rs" "-Zthreads=1" "--target=x86_64-unknown-linux-gnu" "--error-format" "json" "-Zui-testing" "-Zdeduplicate-diagnostics=no" "--emit" "metadata" "-C" "prefer-dynamic" "--out-dir" "/checkout/obj/build/x86_64-unknown-linux-gnu/test/ui/error-codes/E0229" "-Crpath" "-O" "-Cdebuginfo=0" "-Zunstable-options" "-Lnative=/checkout/obj/build/x86_64-unknown-linux-gnu/native/rust-test-helpers" "-A" "unused" "-L" "/checkout/obj/build/x86_64-unknown-linux-gnu/test/ui/error-codes/E0229/auxiliary"
2020-03-02T20:08:14.9372290Z ------------------------------------------
2020-03-02T20:08:14.9372475Z 
2020-03-02T20:08:14.9372869Z ------------------------------------------
2020-03-02T20:08:14.9373085Z stderr:
2020-03-02T20:08:14.9373085Z stderr:
2020-03-02T20:08:14.9373474Z ------------------------------------------
2020-03-02T20:08:14.9373813Z error[E0229]: associated type bindings are not allowed here
2020-03-02T20:08:14.9374362Z   --> /checkout/src/test/ui/error-codes/E0229.rs:13:25
2020-03-02T20:08:14.9374603Z    |
2020-03-02T20:08:14.9374850Z LL | fn baz<I>(x: &<I as Foo<A=Bar>>::A) {}
2020-03-02T20:08:14.9375946Z    |                         ^^^^^ associated type not allowed here
2020-03-02T20:08:14.9376422Z error[E0277]: the trait bound `I: Foo` is not satisfied
2020-03-02T20:08:14.9376993Z   --> /checkout/src/test/ui/error-codes/E0229.rs:13:1
2020-03-02T20:08:14.9377228Z    |
2020-03-02T20:08:14.9377228Z    |
2020-03-02T20:08:14.9377459Z LL | fn baz<I>(x: &<I as Foo<A=Bar>>::A) {}
2020-03-02T20:08:14.9377854Z    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `Foo` is not implemented for `I`
2020-03-02T20:08:14.9378415Z help: consider restricting this type parameter with `I: Foo`
2020-03-02T20:08:14.9379000Z   --> /checkout/src/test/ui/error-codes/E0229.rs:13:8
2020-03-02T20:08:14.9379242Z    |
2020-03-02T20:08:14.9379242Z    |
2020-03-02T20:08:14.9379543Z LL | fn baz<I>(x: &<I as Foo<A=Bar>>::A) {}
2020-03-02T20:08:14.9379939Z 
2020-03-02T20:08:14.9380138Z error: aborting due to 2 previous errors
2020-03-02T20:08:14.9380320Z 
2020-03-02T20:08:14.9380572Z Some errors have detailed explanations: E0229, E0277.
---
2020-03-02T20:08:14.9382111Z 
2020-03-02T20:08:14.9382504Z ---- [ui] ui/error-codes/E0719.rs stdout ----
2020-03-02T20:08:14.9382745Z diff of stderr:
2020-03-02T20:08:14.9382889Z 
2020-03-02T20:08:14.9383261Z 1 error[E0719]: the value of the associated type `Item` (from trait `std::iter::Iterator`) is already specified
2020-03-02T20:08:14.9383851Z -   --> $DIR/E0719.rs:1:33
2020-03-02T20:08:14.9384203Z -    |
2020-03-02T20:08:14.9384650Z - LL | trait Foo: Iterator<Item = i32, Item = i32> {}
2020-03-02T20:08:14.9385199Z -    |                     ----------  ^^^^^^^^^^ re-bound here
2020-03-02T20:08:14.9386122Z -    |                     `Item` bound here first
2020-03-02T20:08:14.9386487Z - 
2020-03-02T20:08:14.9386487Z - 
2020-03-02T20:08:14.9387168Z - error[E0719]: the value of the associated type `Item` (from trait `std::iter::Iterator`) is already specified
2020-03-02T20:08:14.9387764Z 10   --> $DIR/E0719.rs:6:42
2020-03-02T20:08:14.9387963Z 11    |
2020-03-02T20:08:14.9388433Z 12 LL | fn test() -> Box<dyn Iterator<Item = (), Item = Unit>> {
2020-03-02T20:08:14.9388664Z 
2020-03-02T20:08:14.9389132Z 13    |                               ---------  ^^^^^^^^^^^ re-bound here
2020-03-02T20:08:14.9389787Z 15    |                               `Item` bound here first
2020-03-02T20:08:14.9390021Z + 
2020-03-02T20:08:14.9390021Z + 
2020-03-02T20:08:14.9390820Z + error[E0719]: the value of the associated type `Item` (from trait `std::iter::Iterator`) is already specified
2020-03-02T20:08:14.9391487Z +   --> $DIR/E0719.rs:1:33
2020-03-02T20:08:14.9391679Z +    |
2020-03-02T20:08:14.9391922Z + LL | trait Foo: Iterator<Item = i32, Item = i32> {}
2020-03-02T20:08:14.9392483Z +    |                     ----------  ^^^^^^^^^^ re-bound here
2020-03-02T20:08:14.9393056Z +    |                     `Item` bound here first
2020-03-02T20:08:14.9393288Z 16 
2020-03-02T20:08:14.9393501Z 17 error: aborting due to 2 previous errors
2020-03-02T20:08:14.9393711Z 18 
2020-03-02T20:08:14.9393711Z 18 
2020-03-02T20:08:14.9393821Z 
2020-03-02T20:08:14.9393941Z 
2020-03-02T20:08:14.9394160Z The actual stderr differed from the expected stderr.
2020-03-02T20:08:14.9394826Z Actual stderr saved to /checkout/obj/build/x86_64-unknown-linux-gnu/test/ui/error-codes/E0719/E0719.stderr
2020-03-02T20:08:14.9395485Z To update references, rerun the tests and pass the `--bless` flag
2020-03-02T20:08:14.9396100Z To only update this specific test, also pass `--test-args error-codes/E0719.rs`
2020-03-02T20:08:14.9396574Z error: 1 errors occurred comparing output.
2020-03-02T20:08:14.9396829Z status: exit code: 1
2020-03-02T20:08:14.9396829Z status: exit code: 1
2020-03-02T20:08:14.9398988Z command: "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2/bin/rustc" "/checkout/src/test/ui/error-codes/E0719.rs" "-Zthreads=1" "--target=x86_64-unknown-linux-gnu" "--error-format" "json" "-Zui-testing" "-Zdeduplicate-diagnostics=no" "--emit" "metadata" "-C" "prefer-dynamic" "--out-dir" "/checkout/obj/build/x86_64-unknown-linux-gnu/test/ui/error-codes/E0719" "-Crpath" "-O" "-Cdebuginfo=0" "-Zunstable-options" "-Lnative=/checkout/obj/build/x86_64-unknown-linux-gnu/native/rust-test-helpers" "-A" "unused" "-L" "/checkout/obj/build/x86_64-unknown-linux-gnu/test/ui/error-codes/E0719/auxiliary"
2020-03-02T20:08:14.9400660Z ------------------------------------------
2020-03-02T20:08:14.9400858Z 
2020-03-02T20:08:14.9401316Z ------------------------------------------
2020-03-02T20:08:14.9401536Z stderr:
2020-03-02T20:08:14.9401536Z stderr:
2020-03-02T20:08:14.9401934Z ------------------------------------------
2020-03-02T20:08:14.9402394Z error[E0719]: the value of the associated type `Item` (from trait `std::iter::Iterator`) is already specified
2020-03-02T20:08:14.9403406Z    |
2020-03-02T20:08:14.9403406Z    |
2020-03-02T20:08:14.9403850Z LL | fn test() -> Box<dyn Iterator<Item = (), Item = Unit>> {
2020-03-02T20:08:14.9404427Z    |                               ---------  ^^^^^^^^^^^ re-bound here
2020-03-02T20:08:14.9405065Z    |                               `Item` bound here first
2020-03-02T20:08:14.9405278Z 
2020-03-02T20:08:14.9405278Z 
2020-03-02T20:08:14.9405645Z error[E0719]: the value of the associated type `Item` (from trait `std::iter::Iterator`) is already specified
2020-03-02T20:08:14.9406563Z    |
2020-03-02T20:08:14.9406563Z    |
2020-03-02T20:08:14.9406802Z LL | trait Foo: Iterator<Item = i32, Item = i32> {}
2020-03-02T20:08:14.9407350Z    |                     ----------  ^^^^^^^^^^ re-bound here
2020-03-02T20:08:14.9407899Z    |                     `Item` bound here first
2020-03-02T20:08:14.9408109Z 
2020-03-02T20:08:14.9408311Z error: aborting due to 2 previous errors
2020-03-02T20:08:14.9408493Z 
2020-03-02T20:08:14.9408493Z 
2020-03-02T20:08:14.9408595Z 
2020-03-02T20:08:14.9408984Z ------------------------------------------
2020-03-02T20:08:14.9409170Z 
2020-03-02T20:08:14.9409276Z 
2020-03-02T20:08:14.9409708Z ---- [ui] ui/impl-trait/impl_trait_projections.rs stdout ----
2020-03-02T20:08:14.9409988Z diff of stderr:
2020-03-02T20:08:14.9410121Z 
2020-03-02T20:08:14.9410646Z 28 LL | fn projection_is_disallowed(x: impl Iterator) -> <impl Iterator>::Item {
2020-03-02T20:08:14.9411609Z 29    |                                                  ^^^^^^^^^^^^^^^^^^^^^ help: use fully-qualified syntax: `<impl std::iter::Iterator as Trait>::Item`
2020-03-02T20:08:14.9412509Z - error: aborting due to 5 previous errors
2020-03-02T20:08:14.9412915Z + error[E0277]: the trait bound `impl std::fmt::Debug: std::iter::Step` is not satisfied
2020-03-02T20:08:14.9413535Z +   --> $DIR/impl_trait_projections.rs:25:1
2020-03-02T20:08:14.9413768Z +    |
2020-03-02T20:08:14.9413768Z +    |
2020-03-02T20:08:14.9414028Z + LL | / fn projection_with_named_trait_inside_path_is_disallowed()
2020-03-02T20:08:14.9414642Z + LL | |     -> <::std::ops::Range<impl Debug> as Iterator>::Item
2020-03-02T20:08:14.9415072Z + LL | |
2020-03-02T20:08:14.9418092Z + LL | | {
2020-03-02T20:08:14.9418347Z + LL | |     (1i32..100).next().unwrap()
2020-03-02T20:08:14.9418567Z + LL | | }
2020-03-02T20:08:14.9418908Z +    | |_^ the trait `std::iter::Step` is not implemented for `impl std::fmt::Debug`
2020-03-02T20:08:14.9419929Z +    = note: required because of the requirements on the impl of `std::iter::Iterator` for `std::ops::Range<impl std::fmt::Debug>`
2020-03-02T20:08:14.9420361Z 32 
2020-03-02T20:08:14.9420994Z - For more information about this error, try `rustc --explain E0223`.
2020-03-02T20:08:14.9421331Z + error: aborting due to 6 previous errors
---
2020-03-02T20:08:14.9422757Z 
2020-03-02T20:08:14.9422877Z 
2020-03-02T20:08:14.9423094Z The actual stderr differed from the expected stderr.
2020-03-02T20:08:14.9423839Z Actual stderr saved to /checkout/obj/build/x86_64-unknown-linux-gnu/test/ui/impl-trait/impl_trait_projections/impl_trait_projections.stderr
2020-03-02T20:08:14.9424719Z To update references, rerun the tests and pass the `--bless` flag
2020-03-02T20:08:14.9425998Z To only update this specific test, also pass `--test-args impl-trait/impl_trait_projections.rs`
2020-03-02T20:08:14.9426661Z error: 1 errors occurred comparing output.
2020-03-02T20:08:14.9426913Z status: exit code: 1
2020-03-02T20:08:14.9426913Z status: exit code: 1
2020-03-02T20:08:14.9429051Z command: "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2/bin/rustc" "/checkout/src/test/ui/impl-trait/impl_trait_projections.rs" "-Zthreads=1" "--target=x86_64-unknown-linux-gnu" "--error-format" "json" "-Zui-testing" "-Zdeduplicate-diagnostics=no" "--emit" "metadata" "-C" "prefer-dynamic" "--out-dir" "/checkout/obj/build/x86_64-unknown-linux-gnu/test/ui/impl-trait/impl_trait_projections" "-Crpath" "-O" "-Cdebuginfo=0" "-Zunstable-options" "-Lnative=/checkout/obj/build/x86_64-unknown-linux-gnu/native/rust-test-helpers" "-A" "unused" "-L" "/checkout/obj/build/x86_64-unknown-linux-gnu/test/ui/impl-trait/impl_trait_projections/auxiliary"
2020-03-02T20:08:14.9431063Z ------------------------------------------
2020-03-02T20:08:14.9431266Z 
2020-03-02T20:08:14.9431654Z ------------------------------------------
2020-03-02T20:08:14.9431876Z stderr:
2020-03-02T20:08:14.9431876Z stderr:
2020-03-02T20:08:14.9432282Z ------------------------------------------
2020-03-02T20:08:14.9432604Z error[E0667]: `impl Trait` is not allowed in path parameters
2020-03-02T20:08:14.9433210Z   --> /checkout/src/test/ui/impl-trait/impl_trait_projections.rs:12:51
2020-03-02T20:08:14.9433509Z    |
2020-03-02T20:08:14.9434034Z LL | fn projection_is_disallowed(x: impl Iterator) -> <impl Iterator>::Item {
2020-03-02T20:08:14.9434689Z 
2020-03-02T20:08:14.9434948Z error[E0667]: `impl Trait` is not allowed in path parameters
2020-03-02T20:08:14.9435542Z   --> /checkout/src/test/ui/impl-trait/impl_trait_projections.rs:19:9
2020-03-02T20:08:14.9435818Z    |
---
2020-03-02T20:08:14.9438829Z 
2020-03-02T20:08:14.9439068Z error[E0667]: `impl Trait` is not allowed in path parameters
2020-03-02T20:08:14.9439683Z   --> /checkout/src/test/ui/impl-trait/impl_trait_projections.rs:33:29
2020-03-02T20:08:14.9439957Z    |
2020-03-02T20:08:14.9440434Z LL |     -> <dyn Iterator<Item = impl Debug> as Iterator>::Item
2020-03-02T20:08:14.9440987Z 
2020-03-02T20:08:14.9441188Z error[E0223]: ambiguous associated type
2020-03-02T20:08:14.9441747Z   --> /checkout/src/test/ui/impl-trait/impl_trait_projections.rs:12:50
2020-03-02T20:08:14.9442039Z    |
2020-03-02T20:08:14.9442039Z    |
2020-03-02T20:08:14.9442562Z LL | fn projection_is_disallowed(x: impl Iterator) -> <impl Iterator>::Item {
2020-03-02T20:08:14.9443503Z    |                                                  ^^^^^^^^^^^^^^^^^^^^^ help: use fully-qualified syntax: `<impl std::iter::Iterator as Trait>::Item`
2020-03-02T20:08:14.9444303Z error[E0277]: the trait bound `impl std::fmt::Debug: std::iter::Step` is not satisfied
2020-03-02T20:08:14.9444976Z   --> /checkout/src/test/ui/impl-trait/impl_trait_projections.rs:25:1
2020-03-02T20:08:14.9445265Z    |
2020-03-02T20:08:14.9445516Z LL | / fn projection_with_named_trait_inside_path_is_disallowed()
2020-03-02T20:08:14.9445516Z LL | / fn projection_with_named_trait_inside_path_is_disallowed()
2020-03-02T20:08:14.9446105Z LL | |     -> <::std::ops::Range<impl Debug> as Iterator>::Item
2020-03-02T20:08:14.9446511Z LL | | //~^ ERROR `impl Trait` is not allowed in path parameters
2020-03-02T20:08:14.9446769Z LL | | {
2020-03-02T20:08:14.9446978Z LL | |     (1i32..100).next().unwrap()
2020-03-02T20:08:14.9447596Z    | |_^ the trait `std::iter::Step` is not implemented for `impl std::fmt::Debug`
2020-03-02T20:08:14.9447919Z    |
2020-03-02T20:08:14.9448366Z    = note: required because of the requirements on the impl of `std::iter::Iterator` for `std::ops::Range<impl std::fmt::Debug>`
2020-03-02T20:08:14.9448763Z 
---
2020-03-02T20:08:14.9453241Z - error: aborting due to 3 previous errors
2020-03-02T20:08:14.9453517Z + error[E0308]: mismatched types
2020-03-02T20:08:14.9453968Z +   --> $DIR/issue-26638.rs:1:69
2020-03-02T20:08:14.9454174Z +    |
2020-03-02T20:08:14.9454717Z + LL | fn parse_type(iter: Box<dyn Iterator<Item=&str>+'static>) -> &str { iter.next() }
2020-03-02T20:08:14.9455469Z +    |                                                                     ^^^^^^^^^^^ expected `&str`, found enum `std::option::Option`
2020-03-02T20:08:14.9456333Z +    = note: expected reference `&'static str`
2020-03-02T20:08:14.9456698Z +                    found enum `std::option::Option<&str>`
2020-03-02T20:08:14.9456960Z 30 
2020-03-02T20:08:14.9457424Z - For more information about this error, try `rustc --explain E0106`.
2020-03-02T20:08:14.9457424Z - For more information about this error, try `rustc --explain E0106`.
2020-03-02T20:08:14.9457838Z + error[E0061]: this function takes 1 argument but 0 arguments were supplied
2020-03-02T20:08:14.9458360Z +   --> $DIR/issue-26638.rs:4:47
2020-03-02T20:08:14.9458569Z +    |
2020-03-02T20:08:14.9459051Z + LL | fn parse_type_2(iter: fn(&u8)->&u8) -> &str { iter() }
2020-03-02T20:08:14.9459667Z +    |                                               ^^^^-- supplied 0 arguments
2020-03-02T20:08:14.9460420Z +    |                                               expected 1 argument
2020-03-02T20:08:14.9460675Z + 
2020-03-02T20:08:14.9460869Z + error[E0308]: mismatched types
2020-03-02T20:08:14.9461316Z +   --> $DIR/issue-26638.rs:4:47
2020-03-02T20:08:14.9461316Z +   --> $DIR/issue-26638.rs:4:47
2020-03-02T20:08:14.9461521Z +    |
2020-03-02T20:08:14.9461984Z + LL | fn parse_type_2(iter: fn(&u8)->&u8) -> &str { iter() }
2020-03-02T20:08:14.9462706Z +    |
2020-03-02T20:08:14.9463114Z +    = note: expected reference `&'static str`
2020-03-02T20:08:14.9463404Z +               found reference `&u8`
2020-03-02T20:08:14.9463612Z + 
---
2020-03-02T20:08:14.9465278Z 
2020-03-02T20:08:14.9465380Z 
2020-03-02T20:08:14.9465599Z The actual stderr differed from the expected stderr.
2020-03-02T20:08:14.9466284Z Actual stderr saved to /checkout/obj/build/x86_64-unknown-linux-gnu/test/ui/issues/issue-26638/issue-26638.stderr
2020-03-02T20:08:14.9466950Z To update references, rerun the tests and pass the `--bless` flag
2020-03-02T20:08:14.9467559Z To only update this specific test, also pass `--test-args issues/issue-26638.rs`
2020-03-02T20:08:14.9468031Z error: 1 errors occurred comparing output.
2020-03-02T20:08:14.9468280Z status: exit code: 1
2020-03-02T20:08:14.9468280Z status: exit code: 1
2020-03-02T20:08:14.9470350Z command: "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2/bin/rustc" "/checkout/src/test/ui/issues/issue-26638.rs" "-Zthreads=1" "--target=x86_64-unknown-linux-gnu" "--error-format" "json" "-Zui-testing" "-Zdeduplicate-diagnostics=no" "--emit" "metadata" "-C" "prefer-dynamic" "--out-dir" "/checkout/obj/build/x86_64-unknown-linux-gnu/test/ui/issues/issue-26638" "-Crpath" "-O" "-Cdebuginfo=0" "-Zunstable-options" "-Lnative=/checkout/obj/build/x86_64-unknown-linux-gnu/native/rust-test-helpers" "-A" "unused" "-L" "/checkout/obj/build/x86_64-unknown-linux-gnu/test/ui/issues/issue-26638/auxiliary"
2020-03-02T20:08:14.9472080Z ------------------------------------------
2020-03-02T20:08:14.9472280Z 
2020-03-02T20:08:14.9472661Z ------------------------------------------
2020-03-02T20:08:14.9472875Z stderr:
2020-03-02T20:08:14.9472875Z stderr:
2020-03-02T20:08:14.9473277Z ------------------------------------------
2020-03-02T20:08:14.9473562Z error[E0106]: missing lifetime specifier
2020-03-02T20:08:14.9474077Z   --> /checkout/src/test/ui/issues/issue-26638.rs:1:62
2020-03-02T20:08:14.9474327Z    |
2020-03-02T20:08:14.9474860Z LL | fn parse_type(iter: Box<dyn Iterator<Item=&str>+'static>) -> &str { iter.next() }
2020-03-02T20:08:14.9475900Z    |
2020-03-02T20:08:14.9476596Z    = help: this function's return type contains a borrowed value, but the signature does not say which one of `iter`'s 2 lifetimes it is borrowed from
2020-03-02T20:08:14.9477107Z help: consider introducing a named lifetime parameter
2020-03-02T20:08:14.9477356Z    |
2020-03-02T20:08:14.9477356Z    |
2020-03-02T20:08:14.9477899Z LL | fn parse_type<'a>(iter: Box<dyn Iterator<Item=&str>+'static>) -> &'a str { iter.next() }
2020-03-02T20:08:14.9478596Z 
2020-03-02T20:08:14.9478802Z error[E0106]: missing lifetime specifier
2020-03-02T20:08:14.9479319Z   --> /checkout/src/test/ui/issues/issue-26638.rs:4:40
2020-03-02T20:08:14.9479579Z    |
2020-03-02T20:08:14.9479579Z    |
2020-03-02T20:08:14.9480032Z LL | fn parse_type_2(iter: fn(&u8)->&u8) -> &str { iter() }
2020-03-02T20:08:14.9481237Z    |
2020-03-02T20:08:14.9481910Z    = help: this function's return type contains a borrowed value with an elided lifetime, but the lifetime cannot be derived from the arguments
2020-03-02T20:08:14.9482286Z 
2020-03-02T20:08:14.9482489Z error[E0106]: missing lifetime specifier
2020-03-02T20:08:14.9482489Z error[E0106]: missing lifetime specifier
2020-03-02T20:08:14.9483014Z   --> /checkout/src/test/ui/issues/issue-26638.rs:7:22
2020-03-02T20:08:14.9483256Z    |
2020-03-02T20:08:14.9483671Z LL | fn parse_type_3() -> &str { unimplemented!() }
2020-03-02T20:08:14.9484314Z    |                      ^ help: consider giving it a 'static lifetime: `&'static`
2020-03-02T20:08:14.9485269Z    = help: this function's return type contains a borrowed value, but there is no value for it to be borrowed from
2020-03-02T20:08:14.9485608Z 
2020-03-02T20:08:14.9485793Z error[E0308]: mismatched types
2020-03-02T20:08:14.9486288Z   --> /checkout/src/test/ui/issues/issue-26638.rs:1:69
2020-03-02T20:08:14.9486288Z   --> /checkout/src/test/ui/issues/issue-26638.rs:1:69
2020-03-02T20:08:14.9486535Z    |
2020-03-02T20:08:14.9487073Z LL | fn parse_type(iter: Box<dyn Iterator<Item=&str>+'static>) -> &str { iter.next() }
2020-03-02T20:08:14.9487675Z    |                                                                     ^^^^^^^^^^^ expected `&str`, found enum `std::option::Option`
2020-03-02T20:08:14.9488529Z    = note: expected reference `&'static str`
2020-03-02T20:08:14.9488877Z                    found enum `std::option::Option<&str>`
2020-03-02T20:08:14.9489110Z 
2020-03-02T20:08:14.9489395Z error[E0061]: this function takes 1 argument but 0 arguments were supplied
2020-03-02T20:08:14.9489395Z error[E0061]: this function takes 1 argument but 0 arguments were supplied
2020-03-02T20:08:14.9489967Z   --> /checkout/src/test/ui/issues/issue-26638.rs:4:47
2020-03-02T20:08:14.9490265Z    |
2020-03-02T20:08:14.9490744Z LL | fn parse_type_2(iter: fn(&u8)->&u8) -> &str { iter() }
2020-03-02T20:08:14.9491350Z    |                                               ^^^^-- supplied 0 arguments
2020-03-02T20:08:14.9492126Z    |                                               expected 1 argument
2020-03-02T20:08:14.9492358Z 
2020-03-02T20:08:14.9492540Z error[E0308]: mismatched types
2020-03-02T20:08:14.9493044Z   --> /checkout/src/test/ui/issues/issue-26638.rs:4:47
2020-03-02T20:08:14.9493044Z   --> /checkout/src/test/ui/issues/issue-26638.rs:4:47
2020-03-02T20:08:14.9493302Z    |
2020-03-02T20:08:14.9493754Z LL | fn parse_type_2(iter: fn(&u8)->&u8) -> &str { iter() }
2020-03-02T20:08:14.9494453Z    |
2020-03-02T20:08:14.9494852Z    = note: expected reference `&'static str`
2020-03-02T20:08:14.9495287Z               found reference `&u8`
2020-03-02T20:08:14.9495485Z 
---
2020-03-02T20:08:14.9504040Z 
2020-03-02T20:08:14.9504143Z 
2020-03-02T20:08:14.9504363Z The actual stderr differed from the expected stderr.
2020-03-02T20:08:14.9505040Z Actual stderr saved to /checkout/obj/build/x86_64-unknown-linux-gnu/test/ui/issues/issue-3214/issue-3214.stderr
2020-03-02T20:08:14.9505702Z To update references, rerun the tests and pass the `--bless` flag
2020-03-02T20:08:14.9506307Z To only update this specific test, also pass `--test-args issues/issue-3214.rs`
2020-03-02T20:08:14.9506774Z error: 1 errors occurred comparing output.
2020-03-02T20:08:14.9507023Z status: exit code: 1
2020-03-02T20:08:14.9507023Z status: exit code: 1
2020-03-02T20:08:14.9509016Z command: "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2/bin/rustc" "/checkout/src/test/ui/issues/issue-3214.rs" "-Zthreads=1" "--target=x86_64-unknown-linux-gnu" "--error-format" "json" "-Zui-testing" "-Zdeduplicate-diagnostics=no" "--emit" "metadata" "-C" "prefer-dynamic" "--out-dir" "/checkout/obj/build/x86_64-unknown-linux-gnu/test/ui/issues/issue-3214" "-Crpath" "-O" "-Cdebuginfo=0" "-Zunstable-options" "-Lnative=/checkout/obj/build/x86_64-unknown-linux-gnu/native/rust-test-helpers" "-A" "unused" "-L" "/checkout/obj/build/x86_64-unknown-linux-gnu/test/ui/issues/issue-3214/auxiliary"
2020-03-02T20:08:14.9510690Z ------------------------------------------
2020-03-02T20:08:14.9510876Z 
2020-03-02T20:08:14.9511342Z ------------------------------------------
2020-03-02T20:08:14.9511563Z stderr:
---
2020-03-02T20:08:14.9513982Z    |    --- - type parameter from outer function
2020-03-02T20:08:14.9514229Z    |    |
2020-03-02T20:08:14.9514497Z    |    try adding a local generic parameter in this method instead
2020-03-02T20:08:14.9514784Z LL |     struct Foo {
2020-03-02T20:08:14.9515328Z LL |         x: T, //~ ERROR can't use generic parameters from outer function
2020-03-02T20:08:14.9515721Z    |            ^ use of generic parameter from outer function
2020-03-02T20:08:14.9516206Z error[E0107]: wrong number of type arguments: expected 0, found 1
2020-03-02T20:08:14.9516795Z   --> /checkout/src/test/ui/issues/issue-3214.rs:6:26
2020-03-02T20:08:14.9517035Z    |
2020-03-02T20:08:14.9517231Z LL |     impl<T> Drop for Foo<T> {
---
2020-03-02T20:08:14.9521725Z 
2020-03-02T20:08:14.9522215Z ---- [ui] ui/lifetimes/lifetime-errors/ex1b-return-no-names-if-else.rs stdout ----
2020-03-02T20:08:14.9522527Z diff of stderr:
2020-03-02T20:08:14.9522676Z 
2020-03-02T20:08:14.9523122Z 10 LL | fn foo<'a>(x: &'a i32, y: &'a i32) -> &'a i32 {
2020-03-02T20:08:14.9523695Z 12 
2020-03-02T20:08:14.9524076Z - error: aborting due to previous error
2020-03-02T20:08:14.9524400Z + error[E0621]: explicit lifetime required in the type of `x`
2020-03-02T20:08:14.9524955Z +   --> $DIR/ex1b-return-no-names-if-else.rs:2:16
2020-03-02T20:08:14.9524955Z +   --> $DIR/ex1b-return-no-names-if-else.rs:2:16
2020-03-02T20:08:14.9525202Z +    |
2020-03-02T20:08:14.9525608Z + LL | fn foo(x: &i32, y: &i32) -> &i32 {
2020-03-02T20:08:14.9526279Z +    |           ---- help: add explicit lifetime `'static` to the type of `x`: `&'static i32`
2020-03-02T20:08:14.9526691Z + LL |     if x > y { x } else { y }
2020-03-02T20:08:14.9527164Z +    |                ^ lifetime `'static` required
2020-03-02T20:08:14.9527866Z - For more information about this error, try `rustc --explain E0106`.
2020-03-02T20:08:14.9528245Z + error[E0621]: explicit lifetime required in the type of `y`
2020-03-02T20:08:14.9528784Z +   --> $DIR/ex1b-return-no-names-if-else.rs:2:27
2020-03-02T20:08:14.9529042Z +    |
2020-03-02T20:08:14.9529042Z +    |
2020-03-02T20:08:14.9529447Z + LL | fn foo(x: &i32, y: &i32) -> &i32 {
2020-03-02T20:08:14.9530137Z +    |                    ---- help: add explicit lifetime `'static` to the type of `y`: `&'static i32`
2020-03-02T20:08:14.9530577Z + LL |     if x > y { x } else { y }
2020-03-02T20:08:14.9531080Z +    |                           ^ lifetime `'static` required
2020-03-02T20:08:14.9531544Z + error: aborting due to 3 previous errors
2020-03-02T20:08:14.9531754Z + 
2020-03-02T20:08:14.9532058Z + Some errors have detailed explanations: E0106, E0621.
2020-03-02T20:08:14.9532662Z + For more information about an error, try `rustc --explain E0106`.
2020-03-02T20:08:14.9532662Z + For more information about an error, try `rustc --explain E0106`.
2020-03-02T20:08:14.9532917Z 16 
2020-03-02T20:08:14.9533029Z 
2020-03-02T20:08:14.9533133Z 
2020-03-02T20:08:14.9533367Z The actual stderr differed from the expected stderr.
2020-03-02T20:08:14.9534271Z Actual stderr saved to /checkout/obj/build/x86_64-unknown-linux-gnu/test/ui/lifetimes/lifetime-errors/ex1b-return-no-names-if-else/ex1b-return-no-names-if-else.stderr
2020-03-02T20:08:14.9535021Z To update references, rerun the tests and pass the `--bless` flag
2020-03-02T20:08:14.9535879Z To only update this specific test, also pass `--test-args lifetimes/lifetime-errors/ex1b-return-no-names-if-else.rs`
2020-03-02T20:08:14.9536400Z error: 1 errors occurred comparing output.
2020-03-02T20:08:14.9536668Z status: exit code: 1
2020-03-02T20:08:14.9536668Z status: exit code: 1
2020-03-02T20:08:14.9538965Z command: "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2/bin/rustc" "/checkout/src/test/ui/lifetimes/lifetime-errors/ex1b-return-no-names-if-else.rs" "-Zthreads=1" "--target=x86_64-unknown-linux-gnu" "--error-format" "json" "-Zui-testing" "-Zdeduplicate-diagnostics=no" "--emit" "metadata" "-C" "prefer-dynamic" "--out-dir" "/checkout/obj/build/x86_64-unknown-linux-gnu/test/ui/lifetimes/lifetime-errors/ex1b-return-no-names-if-else" "-Crpath" "-O" "-Cdebuginfo=0" "-Zunstable-options" "-Lnative=/checkout/obj/build/x86_64-unknown-linux-gnu/native/rust-test-helpers" "-A" "unused" "-L" "/checkout/obj/build/x86_64-unknown-linux-gnu/test/ui/lifetimes/lifetime-errors/ex1b-return-no-names-if-else/auxiliary"
2020-03-02T20:08:14.9540835Z ------------------------------------------
2020-03-02T20:08:14.9541033Z 
2020-03-02T20:08:14.9541417Z ------------------------------------------
2020-03-02T20:08:14.9541631Z stderr:
2020-03-02T20:08:14.9541631Z stderr:
2020-03-02T20:08:14.9542020Z ------------------------------------------
2020-03-02T20:08:14.9542319Z error[E0106]: missing lifetime specifier
2020-03-02T20:08:14.9542942Z   --> /checkout/src/test/ui/lifetimes/lifetime-errors/ex1b-return-no-names-if-else.rs:1:29
2020-03-02T20:08:14.9543261Z    |
2020-03-02T20:08:14.9543754Z LL | fn foo(x: &i32, y: &i32) -> &i32 { //~ ERROR missing lifetime
2020-03-02T20:08:14.9544606Z    |
2020-03-02T20:08:14.9544606Z    |
2020-03-02T20:08:14.9545277Z    = help: this function's return type contains a borrowed value, but the signature does not say whether it is borrowed from `x` or `y`
2020-03-02T20:08:14.9546004Z    |
2020-03-02T20:08:14.9546004Z    |
2020-03-02T20:08:14.9546519Z LL | fn foo<'a>(x: &'a i32, y: &'a i32) -> &'a i32 { //~ ERROR missing lifetime
2020-03-02T20:08:14.9547085Z 
2020-03-02T20:08:14.9547340Z error[E0621]: explicit lifetime required in the type of `x`
2020-03-02T20:08:14.9547997Z   --> /checkout/src/test/ui/lifetimes/lifetime-errors/ex1b-return-no-names-if-else.rs:2:16
2020-03-02T20:08:14.9548313Z    |
2020-03-02T20:08:14.9548313Z    |
2020-03-02T20:08:14.9548802Z LL | fn foo(x: &i32, y: &i32) -> &i32 { //~ ERROR missing lifetime
2020-03-02T20:08:14.9549499Z    |           ---- help: add explicit lifetime `'static` to the type of `x`: `&'static i32`
2020-03-02T20:08:14.9549902Z LL |     if x > y { x } else { y }
2020-03-02T20:08:14.9550381Z    |                ^ lifetime `'static` required
2020-03-02T20:08:14.9550817Z error[E0621]: explicit lifetime required in the type of `y`
2020-03-02T20:08:14.9551482Z   --> /checkout/src/test/ui/lifetimes/lifetime-errors/ex1b-return-no-names-if-else.rs:2:27
2020-03-02T20:08:14.9551797Z    |
2020-03-02T20:08:14.9551797Z    |
2020-03-02T20:08:14.9552271Z LL | fn foo(x: &i32, y: &i32) -> &i32 { //~ ERROR missing lifetime
2020-03-02T20:08:14.9553009Z    |                    ---- help: add explicit lifetime `'static` to the type of `y`: `&'static i32`
2020-03-02T20:08:14.9553431Z LL |     if x > y { x } else { y }
2020-03-02T20:08:14.9553993Z    |                           ^ lifetime `'static` required
2020-03-02T20:08:14.9554434Z error: aborting due to 3 previous errors
2020-03-02T20:08:14.9554616Z 
2020-03-02T20:08:14.9554856Z Some errors have detailed explanations: E0106, E0621.
2020-03-02T20:08:14.9555496Z For more information about an error, try `rustc --explain E0106`.
2020-03-02T20:08:14.9555496Z For more information about an error, try `rustc --explain E0106`.
2020-03-02T20:08:14.9555725Z 
2020-03-02T20:08:14.9556105Z ------------------------------------------
2020-03-02T20:08:14.9556288Z 
2020-03-02T20:08:14.9556391Z 
2020-03-02T20:08:14.9556921Z ---- [ui] ui/object-lifetime/object-lifetime-default-dyn-binding-nonstatic3.rs stdout ----
2020-03-02T20:08:14.9557240Z diff of stderr:
2020-03-02T20:08:14.9557370Z 
2020-03-02T20:08:14.9557822Z 4 LL | fn bar(x: &str) -> &dyn Foo<Item = dyn Bar> { &() }
2020-03-02T20:08:14.9558367Z 6 
2020-03-02T20:08:14.9558760Z - error: aborting due to previous error
2020-03-02T20:08:14.9558760Z - error: aborting due to previous error
2020-03-02T20:08:14.9559306Z + error[E0277]: the trait bound `(): Foo<'_>` is not satisfied
2020-03-02T20:08:14.9559927Z +   --> $DIR/object-lifetime-default-dyn-binding-nonstatic3.rs:16:47
2020-03-02T20:08:14.9560228Z +    |
2020-03-02T20:08:14.9560674Z + LL | fn bar(x: &str) -> &dyn Foo<Item = dyn Bar> { &() }
2020-03-02T20:08:14.9561352Z +    |                                               ^^^ the trait `Foo<'_>` is not implemented for `()`
2020-03-02T20:08:14.9561692Z +    |
2020-03-02T20:08:14.9562204Z +    = note: required for the cast to the object type `dyn Foo<'_, Item = dyn Bar>`
2020-03-02T20:08:14.9562722Z + error: aborting due to 2 previous errors
2020-03-02T20:08:14.9562932Z + 
2020-03-02T20:08:14.9563393Z + For more information about this error, try `rustc --explain E0277`.
2020-03-02T20:08:14.9563648Z 9 
2020-03-02T20:08:14.9563648Z 9 
2020-03-02T20:08:14.9563769Z 
2020-03-02T20:08:14.9563874Z 
2020-03-02T20:08:14.9564093Z The actual stderr differed from the expected stderr.
2020-03-02T20:08:14.9564993Z Actual stderr saved to /checkout/obj/build/x86_64-unknown-linux-gnu/test/ui/object-lifetime/object-lifetime-default-dyn-binding-nonstatic3/object-lifetime-default-dyn-binding-nonstatic3.stderr
2020-03-02T20:08:14.9565804Z To update references, rerun the tests and pass the `--bless` flag
2020-03-02T20:08:14.9566543Z To only update this specific test, also pass `--test-args object-lifetime/object-lifetime-default-dyn-binding-nonstatic3.rs`
2020-03-02T20:08:14.9567095Z error: 1 errors occurred comparing output.
2020-03-02T20:08:14.9567350Z status: exit code: 1
2020-03-02T20:08:14.9567350Z status: exit code: 1
2020-03-02T20:08:14.9569701Z command: "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2/bin/rustc" "/checkout/src/test/ui/object-lifetime/object-lifetime-default-dyn-binding-nonstatic3.rs" "-Zthreads=1" "--target=x86_64-unknown-linux-gnu" "--error-format" "json" "-Zui-testing" "-Zdeduplicate-diagnostics=no" "--emit" "metadata" "-C" "prefer-dynamic" "--out-dir" "/checkout/obj/build/x86_64-unknown-linux-gnu/test/ui/object-lifetime/object-lifetime-default-dyn-binding-nonstatic3" "-Crpath" "-O" "-Cdebuginfo=0" "-Zunstable-options" "-Lnative=/checkout/obj/build/x86_64-unknown-linux-gnu/native/rust-test-helpers" "-A" "unused" "-L" "/checkout/obj/build/x86_64-unknown-linux-gnu/test/ui/object-lifetime/object-lifetime-default-dyn-binding-nonstatic3/auxiliary"
2020-03-02T20:08:14.9571604Z ------------------------------------------
2020-03-02T20:08:14.9571790Z 
2020-03-02T20:08:14.9572171Z ------------------------------------------
2020-03-02T20:08:14.9572403Z stderr:
2020-03-02T20:08:14.9572403Z stderr:
2020-03-02T20:08:14.9572791Z ------------------------------------------
2020-03-02T20:08:14.9573218Z error[E0228]: the lifetime bound for this object type cannot be deduced from context; please supply an explicit bound
2020-03-02T20:08:14.9574021Z   --> /checkout/src/test/ui/object-lifetime/object-lifetime-default-dyn-binding-nonstatic3.rs:16:36
2020-03-02T20:08:14.9574359Z    |
2020-03-02T20:08:14.9574795Z LL | fn bar(x: &str) -> &dyn Foo<Item = dyn Bar> { &() }
2020-03-02T20:08:14.9575695Z 
2020-03-02T20:08:14.9575695Z 
2020-03-02T20:08:14.9576177Z error[E0277]: the trait bound `(): Foo<'_>` is not satisfied
2020-03-02T20:08:14.9577299Z    |
2020-03-02T20:08:14.9577299Z    |
2020-03-02T20:08:14.9577745Z LL | fn bar(x: &str) -> &dyn Foo<Item = dyn Bar> { &() }
2020-03-02T20:08:14.9578424Z    |                                               ^^^ the trait `Foo<'_>` is not implemented for `()`
2020-03-02T20:08:14.9578748Z    |
2020-03-02T20:08:14.9579251Z    = note: required for the cast to the object type `dyn Foo<'_, Item = dyn Bar>`
2020-03-02T20:08:14.9579730Z error: aborting due to 2 previous errors
2020-03-02T20:08:14.9579911Z 
2020-03-02T20:08:14.9580362Z For more information about this error, try `rustc --explain E0277`.
2020-03-02T20:08:14.9580606Z 
2020-03-02T20:08:14.9580606Z 
2020-03-02T20:08:14.9580990Z ------------------------------------------
2020-03-02T20:08:14.9581173Z 
2020-03-02T20:08:14.9581277Z 
2020-03-02T20:08:14.9581769Z ---- [ui] ui/object-safety/object-safety-supertrait-mentions-Self.rs stdout ----
2020-03-02T20:08:14.9582068Z diff of stderr:
2020-03-02T20:08:14.9582199Z 
2020-03-02T20:08:14.9582615Z 9 LL | fn make_baz<T:Baz>(t: &T) -> &dyn Baz {
2020-03-02T20:08:14.9583030Z 10    |                               ^^^^^^^ the trait `Baz` cannot be made into an object
2020-03-02T20:08:14.9583750Z - error: aborting due to previous error
2020-03-02T20:08:14.9584138Z + error[E0277]: the size for values of type `Self` cannot be known at compilation time
2020-03-02T20:08:14.9584767Z +   --> $DIR/object-safety-supertrait-mentions-Self.rs:8:13
2020-03-02T20:08:14.9585036Z +    |
2020-03-02T20:08:14.9585036Z +    |
2020-03-02T20:08:14.9585225Z + LL | trait Bar<T> {
2020-03-02T20:08:14.9585630Z +    | ------------ required by `Bar`
2020-03-02T20:08:14.9585835Z + ...
2020-03-02T20:08:14.9586047Z + LL | trait Baz : Bar<Self> {
2020-03-02T20:08:14.9586844Z +    |
2020-03-02T20:08:14.9587150Z +    = help: the trait `std::marker::Sized` is not implemented for `Self`
2020-03-02T20:08:14.9587983Z +    = note: to learn more, visit <https://doc.rust-lang.org/book/ch19-04-advanced-types.html#dynamically-sized-types-and-the-sized-trait>
2020-03-02T20:08:14.9588396Z 13 
---
2020-03-02T20:08:14.9590617Z 
2020-03-02T20:08:14.9590720Z 
2020-03-02T20:08:14.9590953Z The actual stderr differed from the expected stderr.
2020-03-02T20:08:14.9591800Z Actual stderr saved to /checkout/obj/build/x86_64-unknown-linux-gnu/test/ui/object-safety/object-safety-supertrait-mentions-Self/object-safety-supertrait-mentions-Self.stderr
2020-03-02T20:08:14.9592577Z To update references, rerun the tests and pass the `--bless` flag
2020-03-02T20:08:14.9593288Z To only update this specific test, also pass `--test-args object-safety/object-safety-supertrait-mentions-Self.rs`
2020-03-02T20:08:14.9593819Z error: 1 errors occurred comparing output.
2020-03-02T20:08:14.9594072Z status: exit code: 1
2020-03-02T20:08:14.9594072Z status: exit code: 1
2020-03-02T20:08:14.9596409Z command: "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2/bin/rustc" "/checkout/src/test/ui/object-safety/object-safety-supertrait-mentions-Self.rs" "-Zthreads=1" "--target=x86_64-unknown-linux-gnu" "--error-format" "json" "-Zui-testing" "-Zdeduplicate-diagnostics=no" "--emit" "metadata" "-C" "prefer-dynamic" "--out-dir" "/checkout/obj/build/x86_64-unknown-linux-gnu/test/ui/object-safety/object-safety-supertrait-mentions-Self" "-Crpath" "-O" "-Cdebuginfo=0" "-Zunstable-options" "-Lnative=/checkout/obj/build/x86_64-unknown-linux-gnu/native/rust-test-helpers" "-A" "unused" "-L" "/checkout/obj/build/x86_64-unknown-linux-gnu/test/ui/object-safety/object-safety-supertrait-mentions-Self/auxiliary"
2020-03-02T20:08:14.9598321Z ------------------------------------------
2020-03-02T20:08:14.9598521Z 
2020-03-02T20:08:14.9598901Z ------------------------------------------
2020-03-02T20:08:14.9599116Z stderr:
2020-03-02T20:08:14.9599116Z stderr:
2020-03-02T20:08:14.9599518Z ------------------------------------------
2020-03-02T20:08:14.9599839Z error[E0038]: the trait `Baz` cannot be made into an object
2020-03-02T20:08:14.9600497Z   --> /checkout/src/test/ui/object-safety/object-safety-supertrait-mentions-Self.rs:15:31
2020-03-02T20:08:14.9600835Z    |
2020-03-02T20:08:14.9601031Z LL | trait Baz : Bar<Self> {
2020-03-02T20:08:14.9601575Z    |       ---   --------- ...because it uses `Self` as a type parameter in this
2020-03-02T20:08:14.9602143Z    |       this trait cannot be made into an object...
2020-03-02T20:08:14.9602371Z ...
2020-03-02T20:08:14.9602371Z ...
2020-03-02T20:08:14.9602794Z LL | fn make_baz<T:Baz>(t: &T) -> &dyn Baz {
2020-03-02T20:08:14.9603180Z    |                               ^^^^^^^ the trait `Baz` cannot be made into an object
2020-03-02T20:08:14.9604069Z error[E0277]: the size for values of type `Self` cannot be known at compilation time
2020-03-02T20:08:14.9604795Z   --> /checkout/src/test/ui/object-safety/object-safety-supertrait-mentions-Self.rs:8:13
2020-03-02T20:08:14.9605110Z    |
2020-03-02T20:08:14.9605278Z LL | trait Bar<T> {
2020-03-02T20:08:14.9605278Z LL | trait Bar<T> {
2020-03-02T20:08:14.9605693Z    | ------------ required by `Bar`
2020-03-02T20:08:14.9605890Z ...
2020-03-02T20:08:14.9606080Z LL | trait Baz : Bar<Self> {
2020-03-02T20:08:14.9606871Z    |
2020-03-02T20:08:14.9607166Z    = help: the trait `std::marker::Sized` is not implemented for `Self`
2020-03-02T20:08:14.9608002Z    = note: to learn more, visit <https://doc.rust-lang.org/book/ch19-04-advanced-types.html#dynamically-sized-types-and-the-sized-trait>
2020-03-02T20:08:14.9608382Z 
---
2020-03-02T20:08:14.9610503Z 
2020-03-02T20:08:14.9610873Z ---- [ui] ui/rfc1623-2.rs stdout ----
2020-03-02T20:08:14.9611111Z diff of stderr:
2020-03-02T20:08:14.9611244Z 
2020-03-02T20:08:14.9611697Z 24 LL |     &(non_elidable as for<'a> fn(&'a u8, &'a u8) -> &'a u8);
2020-03-02T20:08:14.9612334Z 26 
2020-03-02T20:08:14.9612728Z - error: aborting due to 2 previous errors
2020-03-02T20:08:14.9612728Z - error: aborting due to 2 previous errors
2020-03-02T20:08:14.9613482Z + error[E0605]: non-primitive cast: `for<'a, 'b> fn(&'a u8, &'b u8) -> &'a u8 {non_elidable}` as `for<'r, 's> fn(&'r u8, &'s u8) -> &u8`
2020-03-02T20:08:14.9614142Z +   --> $DIR/rfc1623-2.rs:10:6
2020-03-02T20:08:14.9614343Z +    |
2020-03-02T20:08:14.9614761Z + LL |     &(non_elidable as fn(&u8, &u8) -> &u8);
2020-03-02T20:08:14.9615440Z +    |
2020-03-02T20:08:14.9615796Z +    = note: an `as` expression can only be used to convert between primitive types. Consider using the `From` trait
2020-03-02T20:08:14.9616156Z 28 
2020-03-02T20:08:14.9616630Z - For more information about this error, try `rustc --explain E0106`.
---
2020-03-02T20:08:14.9618354Z 30 
2020-03-02T20:08:14.9618464Z 
2020-03-02T20:08:14.9618568Z 
2020-03-02T20:08:14.9618788Z The actual stderr differed from the expected stderr.
2020-03-02T20:08:14.9619523Z Actual stderr saved to /checkout/obj/build/x86_64-unknown-linux-gnu/test/ui/rfc1623-2/rfc1623-2.stderr
2020-03-02T20:08:14.9620156Z To update references, rerun the tests and pass the `--bless` flag
2020-03-02T20:08:14.9620739Z To only update this specific test, also pass `--test-args rfc1623-2.rs`
2020-03-02T20:08:14.9621195Z error: 1 errors occurred comparing output.
2020-03-02T20:08:14.9621442Z status: exit code: 1
2020-03-02T20:08:14.9621442Z status: exit code: 1
2020-03-02T20:08:14.9623397Z command: "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2/bin/rustc" "/checkout/src/test/ui/rfc1623-2.rs" "-Zthreads=1" "--target=x86_64-unknown-linux-gnu" "--error-format" "json" "-Zui-testing" "-Zdeduplicate-diagnostics=no" "--emit" "metadata" "-C" "prefer-dynamic" "--out-dir" "/checkout/obj/build/x86_64-unknown-linux-gnu/test/ui/rfc1623-2" "-Crpath" "-O" "-Cdebuginfo=0" "-Zunstable-options" "-Lnative=/checkout/obj/build/x86_64-unknown-linux-gnu/native/rust-test-helpers" "-A" "unused" "-L" "/checkout/obj/build/x86_64-unknown-linux-gnu/test/ui/rfc1623-2/auxiliary"
2020-03-02T20:08:14.9625011Z ------------------------------------------
2020-03-02T20:08:14.9625196Z 
2020-03-02T20:08:14.9625577Z ------------------------------------------
2020-03-02T20:08:14.9625791Z stderr:
2020-03-02T20:08:14.9625791Z stderr:
2020-03-02T20:08:14.9626197Z ------------------------------------------
2020-03-02T20:08:14.9626483Z error[E0106]: missing lifetime specifier
2020-03-02T20:08:14.9626967Z   --> /checkout/src/test/ui/rfc1623-2.rs:8:42
2020-03-02T20:08:14.9627205Z    |
2020-03-02T20:08:14.9627638Z LL | static NON_ELIDABLE_FN: &fn(&u8, &u8) -> &u8 =
2020-03-02T20:08:14.9628540Z    |
2020-03-02T20:08:14.9629237Z    = help: this function's return type contains a borrowed value, but the signature does not say whether it is borrowed from argument 1 or argument 2
2020-03-02T20:08:14.9630153Z    = note: for more information on higher-ranked polymorphism, visit https://doc.rust-lang.org/nomicon/hrtb.html
2020-03-02T20:08:14.9630876Z help: consider making the type lifetime-generic with a new `'a` lifetime
2020-03-02T20:08:14.9630876Z help: consider making the type lifetime-generic with a new `'a` lifetime
2020-03-02T20:08:14.9631145Z    |
2020-03-02T20:08:14.9631634Z LL | static NON_ELIDABLE_FN: &for<'a> fn(&'a u8, &'a u8) -> &'a u8 =
2020-03-02T20:08:14.9632240Z 
2020-03-02T20:08:14.9632444Z error[E0106]: missing lifetime specifier
2020-03-02T20:08:14.9632950Z   --> /checkout/src/test/ui/rfc1623-2.rs:10:39
2020-03-02T20:08:14.9633177Z    |
2020-03-02T20:08:14.9633177Z    |
2020-03-02T20:08:14.9633586Z LL |     &(non_elidable as fn(&u8, &u8) -> &u8);
2020-03-02T20:08:14.9634453Z    |
2020-03-02T20:08:14.9635145Z    = help: this function's return type contains a borrowed value, but the signature does not say whether it is borrowed from argument 1 or argument 2
2020-03-02T20:08:14.9636062Z    = note: for more information on higher-ranked polymorphism, visit https://doc.rust-lang.org/nomicon/hrtb.html
2020-03-02T20:08:14.9636769Z help: consider making the type lifetime-generic with a new `'a` lifetime
2020-03-02T20:08:14.9636769Z help: consider making the type lifetime-generic with a new `'a` lifetime
2020-03-02T20:08:14.9637035Z    |
2020-03-02T20:08:14.9637506Z LL |     &(non_elidable as for<'a> fn(&'a u8, &'a u8) -> &'a u8);
2020-03-02T20:08:14.9638082Z 
2020-03-02T20:08:14.9638082Z 
2020-03-02T20:08:14.9638756Z error[E0605]: non-primitive cast: `for<'a, 'b> fn(&'a u8, &'b u8) -> &'a u8 {non_elidable}` as `for<'r, 's> fn(&'r u8, &'s u8) -> &u8`
2020-03-02T20:08:14.9639657Z    |
2020-03-02T20:08:14.9639657Z    |
2020-03-02T20:08:14.9640129Z LL |     &(non_elidable as fn(&u8, &u8) -> &u8);
2020-03-02T20:08:14.9640655Z    |
2020-03-02T20:08:14.9641020Z    = note: an `as` expression can only be used to convert between primitive types. Consider using the `From` trait
2020-03-02T20:08:14.9641384Z 
2020-03-02T20:08:14.9641585Z error: aborting due to 3 previous errors
---
2020-03-02T20:08:14.9645159Z - error: aborting due to previous error
2020-03-02T20:08:14.9645447Z + error[E0223]: ambiguous associated type
2020-03-02T20:08:14.9645896Z +   --> $DIR/issue-35987.rs:9:32
2020-03-02T20:08:14.9646125Z +    |
2020-03-02T20:08:14.9646574Z + LL |     fn add(self, rhs: Self) -> Self::Output {
2020-03-02T20:08:14.9648272Z +    |                                ^^^^^^^^^^^^ help: use fully-qualified syntax: `<Foo<T> as Trait>::Output`
2020-03-02T20:08:14.9649196Z - For more information about this error, try `rustc --explain E0404`.
2020-03-02T20:08:14.9649536Z + error: aborting due to 2 previous errors
2020-03-02T20:08:14.9649758Z + 
2020-03-02T20:08:14.9650007Z + Some errors have detailed explanations: E0223, E0404.
2020-03-02T20:08:14.9650007Z + Some errors have detailed explanations: E0223, E0404.
2020-03-02T20:08:14.9650582Z + For more information about an error, try `rustc --explain E0223`.
2020-03-02T20:08:14.9650849Z 15 
2020-03-02T20:08:14.9650961Z 
2020-03-02T20:08:14.9651064Z 
2020-03-02T20:08:14.9651292Z The actual stderr differed from the expected stderr.
2020-03-02T20:08:14.9652221Z Actual stderr saved to /checkout/obj/build/x86_64-unknown-linux-gnu/test/ui/span/issue-35987/issue-35987.stderr
2020-03-02T20:08:14.9652897Z To update references, rerun the tests and pass the `--bless` flag
2020-03-02T20:08:14.9653828Z To only update this specific test, also pass `--test-args span/issue-35987.rs`
2020-03-02T20:08:14.9654304Z error: 1 errors occurred comparing output.
2020-03-02T20:08:14.9654554Z status: exit code: 1
2020-03-02T20:08:14.9654554Z status: exit code: 1
2020-03-02T20:08:14.9656789Z command: "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2/bin/rustc" "/checkout/src/test/ui/span/issue-35987.rs" "-Zthreads=1" "--target=x86_64-unknown-linux-gnu" "--error-format" "json" "-Zui-testing" "-Zdeduplicate-diagnostics=no" "--emit" "metadata" "-C" "prefer-dynamic" "--out-dir" "/checkout/obj/build/x86_64-unknown-linux-gnu/test/ui/span/issue-35987" "-Crpath" "-O" "-Cdebuginfo=0" "-Zunstable-options" "-Lnative=/checkout/obj/build/x86_64-unknown-linux-gnu/native/rust-test-helpers" "-A" "unused" "-L" "/checkout/obj/build/x86_64-unknown-linux-gnu/test/ui/span/issue-35987/auxiliary"
2020-03-02T20:08:14.9658462Z ------------------------------------------
2020-03-02T20:08:14.9658652Z 
2020-03-02T20:08:14.9659037Z ------------------------------------------
2020-03-02T20:08:14.9659266Z stderr:
2020-03-02T20:08:14.9659266Z stderr:
2020-03-02T20:08:14.9659656Z ------------------------------------------
2020-03-02T20:08:14.9659972Z error[E0404]: expected trait, found type parameter `Add`
2020-03-02T20:08:14.9660522Z   --> /checkout/src/test/ui/span/issue-35987.rs:5:21
2020-03-02T20:08:14.9660765Z    |
2020-03-02T20:08:14.9660983Z LL | impl<T: Clone, Add> Add for Foo<T> {
2020-03-02T20:08:14.9661483Z    |
2020-03-02T20:08:14.9661781Z help: possible better candidate is found in another module, you can import it into scope
2020-03-02T20:08:14.9662090Z    |
2020-03-02T20:08:14.9662397Z LL | use std::ops::Add;
2020-03-02T20:08:14.9662397Z LL | use std::ops::Add;
2020-03-02T20:08:14.9662586Z    |
2020-03-02T20:08:14.9662696Z 
2020-03-02T20:08:14.9662913Z error[E0223]: ambiguous associated type
2020-03-02T20:08:14.9663431Z   --> /checkout/src/test/ui/span/issue-35987.rs:9:32
2020-03-02T20:08:14.9663736Z    |
2020-03-02T20:08:14.9664192Z LL |     fn add(self, rhs: Self) -> Self::Output {
2020-03-02T20:08:14.9664942Z    |                                ^^^^^^^^^^^^ help: use fully-qualified syntax: `<Foo<T> as Trait>::Output`
2020-03-02T20:08:14.9665498Z error: aborting due to 2 previous errors
2020-03-02T20:08:14.9665695Z 
2020-03-02T20:08:14.9665937Z Some errors have detailed explanations: E0223, E0404.
2020-03-02T20:08:14.9666503Z For more information about an error, try `rustc --explain E0223`.
---
2020-03-02T20:08:14.9669971Z - error: aborting due to 3 previous errors
2020-03-02T20:08:14.9670466Z + error[E0392]: parameter `'a` is never used
2020-03-02T20:08:14.9670962Z +   --> $DIR/return-without-lifetime.rs:2:12
2020-03-02T20:08:14.9671195Z +    |
2020-03-02T20:08:14.9671566Z + LL | struct Foo<'a>(&usize);
2020-03-02T20:08:14.9671818Z +    |            ^^ unused parameter
2020-03-02T20:08:14.9672690Z +    = help: consider removing `'a`, referring to it in a field, or using a marker such as `std::marker::PhantomData`
2020-03-02T20:08:14.9673088Z 24 
2020-03-02T20:08:14.9673556Z - For more information about this error, try `rustc --explain E0106`.
2020-03-02T20:08:14.9673905Z + error: aborting due to 4 previous errors
2020-03-02T20:08:14.9673905Z + error: aborting due to 4 previous errors
2020-03-02T20:08:14.9674113Z + 
2020-03-02T20:08:14.9674364Z + Some errors have detailed explanations: E0106, E0392.
2020-03-02T20:08:14.9674957Z + For more information about an error, try `rustc --explain E0106`.
2020-03-02T20:08:14.9675210Z 26 
2020-03-02T20:08:14.9675320Z 
2020-03-02T20:08:14.9675421Z 
2020-03-02T20:08:14.9675641Z The actual stderr differed from the expected stderr.
2020-03-02T20:08:14.9676413Z Actual stderr saved to /checkout/obj/build/x86_64-unknown-linux-gnu/test/ui/suggestions/return-without-lifetime/return-without-lifetime.stderr
2020-03-02T20:08:14.9677120Z To update references, rerun the tests and pass the `--bless` flag
2020-03-02T20:08:14.9677786Z To only update this specific test, also pass `--test-args suggestions/return-without-lifetime.rs`
2020-03-02T20:08:14.9678272Z error: 1 errors occurred comparing output.
2020-03-02T20:08:14.9678525Z status: exit code: 1
2020-03-02T20:08:14.9678525Z status: exit code: 1
2020-03-02T20:08:14.9680678Z command: "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2/bin/rustc" "/checkout/src/test/ui/suggestions/return-without-lifetime.rs" "-Zthreads=1" "--target=x86_64-unknown-linux-gnu" "--error-format" "json" "-Zui-testing" "-Zdeduplicate-diagnostics=no" "--emit" "metadata" "-C" "prefer-dynamic" "--out-dir" "/checkout/obj/build/x86_64-unknown-linux-gnu/test/ui/suggestions/return-without-lifetime" "-Crpath" "-O" "-Cdebuginfo=0" "-Zunstable-options" "-Lnative=/checkout/obj/build/x86_64-unknown-linux-gnu/native/rust-test-helpers" "-A" "unused" "-L" "/checkout/obj/build/x86_64-unknown-linux-gnu/test/ui/suggestions/return-without-lifetime/auxiliary"
2020-03-02T20:08:14.9682431Z ------------------------------------------
2020-03-02T20:08:14.9682618Z 
2020-03-02T20:08:14.9682998Z ------------------------------------------
2020-03-02T20:08:14.9683262Z stderr:
---
2020-03-02T20:08:14.9686136Z 
2020-03-02T20:08:14.9686341Z error[E0106]: missing lifetime specifier
2020-03-02T20:08:14.9686916Z   --> /checkout/src/test/ui/suggestions/return-without-lifetime.rs:5:34
2020-03-02T20:08:14.9687193Z    |
2020-03-02T20:08:14.9687655Z LL | fn func1<'a>(_arg: &'a Thing) -> &() { unimplemented!() }
2020-03-02T20:08:14.9688343Z    |                    ---------     ^ help: consider using the named lifetime: `&'a`
2020-03-02T20:08:14.9689373Z    = help: this function's return type contains a borrowed value, but the signature does not say which one of `_arg`'s 2 lifetimes it is borrowed from
2020-03-02T20:08:14.9689781Z 
2020-03-02T20:08:14.9689990Z error[E0106]: missing lifetime specifier
2020-03-02T20:08:14.9690550Z   --> /checkout/src/test/ui/suggestions/return-without-lifetime.rs:7:35
2020-03-02T20:08:14.9690550Z   --> /checkout/src/test/ui/suggestions/return-without-lifetime.rs:7:35
2020-03-02T20:08:14.9690841Z    |
2020-03-02T20:08:14.9691311Z LL | fn func2<'a>(_arg: &Thing<'a>) -> &() { unimplemented!() }
2020-03-02T20:08:14.9691987Z    |                    ----------     ^ help: consider using the named lifetime: `&'a`
2020-03-02T20:08:14.9693023Z    = help: this function's return type contains a borrowed value, but the signature does not say which one of `_arg`'s 2 lifetimes it is borrowed from
2020-03-02T20:08:14.9693411Z 
2020-03-02T20:08:14.9693798Z error[E0392]: parameter `'a` is never used
2020-03-02T20:08:14.9694377Z   --> /checkout/src/test/ui/suggestions/return-without-lifetime.rs:2:12
---
2020-03-02T20:08:14.9698722Z 
2020-03-02T20:08:14.9699098Z ---- [ui] ui/tag-type-args.rs stdout ----
2020-03-02T20:08:14.9699331Z diff of stderr:
2020-03-02T20:08:14.9699462Z 
2020-03-02T20:08:14.9699691Z 4 LL | fn foo(c: Quux) { assert!((false)); }
2020-03-02T20:08:14.9699992Z 5    |           ^^^^ expected 1 type argument
2020-03-02T20:08:14.9700600Z - error: aborting due to previous error
2020-03-02T20:08:14.9700892Z + error[E0392]: parameter `T` is never used
2020-03-02T20:08:14.9701355Z +   --> $DIR/tag-type-args.rs:1:11
2020-03-02T20:08:14.9701580Z +    |
2020-03-02T20:08:14.9701580Z +    |
2020-03-02T20:08:14.9701765Z + LL | enum Quux<T> { Bar }
2020-03-02T20:08:14.9702009Z +    |           ^ unused parameter
2020-03-02T20:08:14.9702624Z +    = help: consider removing `T`, referring to it in a field, or using a marker such as `std::marker::PhantomData`
2020-03-02T20:08:14.9703017Z 8 
2020-03-02T20:08:14.9703479Z - For more information about this error, try `rustc --explain E0107`.
2020-03-02T20:08:14.9703827Z + error: aborting due to 2 previous errors
2020-03-02T20:08:14.9703827Z + error: aborting due to 2 previous errors
2020-03-02T20:08:14.9704031Z + 
2020-03-02T20:08:14.9704282Z + Some errors have detailed explanations: E0107, E0392.
2020-03-02T20:08:14.9704867Z + For more information about an error, try `rustc --explain E0107`.
2020-03-02T20:08:14.9705120Z 10 
2020-03-02T20:08:14.9705228Z 
2020-03-02T20:08:14.9705332Z 
2020-03-02T20:08:14.9705636Z The actual stderr differed from the expected stderr.
2020-03-02T20:08:14.9706318Z Actual stderr saved to /checkout/obj/build/x86_64-unknown-linux-gnu/test/ui/tag-type-args/tag-type-args.stderr
2020-03-02T20:08:14.9706962Z To update references, rerun the tests and pass the `--bless` flag
2020-03-02T20:08:14.9707639Z To only update this specific test, also pass `--test-args tag-type-args.rs`
2020-03-02T20:08:14.9708091Z error: 1 errors occurred comparing output.
2020-03-02T20:08:14.9708357Z status: exit code: 1
2020-03-02T20:08:14.9708357Z status: exit code: 1
2020-03-02T20:08:14.9710316Z command: "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2/bin/rustc" "/checkout/src/test/ui/tag-type-args.rs" "-Zthreads=1" "--target=x86_64-unknown-linux-gnu" "--error-format" "json" "-Zui-testing" "-Zdeduplicate-diagnostics=no" "--emit" "metadata" "-C" "prefer-dynamic" "--out-dir" "/checkout/obj/build/x86_64-unknown-linux-gnu/test/ui/tag-type-args" "-Crpath" "-O" "-Cdebuginfo=0" "-Zunstable-options" "-Lnative=/checkout/obj/build/x86_64-unknown-linux-gnu/native/rust-test-helpers" "-A" "unused" "-L" "/checkout/obj/build/x86_64-unknown-linux-gnu/test/ui/tag-type-args/auxiliary"
2020-03-02T20:08:14.9711948Z ------------------------------------------
2020-03-02T20:08:14.9712137Z 
2020-03-02T20:08:14.9712530Z ------------------------------------------
2020-03-02T20:08:14.9712745Z stderr:
2020-03-02T20:08:14.9712745Z stderr:
2020-03-02T20:08:14.9713132Z ------------------------------------------
2020-03-02T20:08:14.9713497Z error[E0107]: wrong number of type arguments: expected 1, found 0
2020-03-02T20:08:14.9714053Z   --> /checkout/src/test/ui/tag-type-args.rs:3:11
2020-03-02T20:08:14.9714292Z    |
2020-03-02T20:08:14.9714603Z LL | fn foo(c: Quux) { assert!((false)); } //~ ERROR wrong number of type arguments
2020-03-02T20:08:14.9714972Z    |           ^^^^ expected 1 type argument
2020-03-02T20:08:14.9715364Z error[E0392]: parameter `T` is never used
2020-03-02T20:08:14.9715879Z   --> /checkout/src/test/ui/tag-type-args.rs:1:11
2020-03-02T20:08:14.9716116Z    |
2020-03-02T20:08:14.9716116Z    |
2020-03-02T20:08:14.9716294Z LL | enum Quux<T> { Bar }
2020-03-02T20:08:14.9716540Z    |           ^ unused parameter
2020-03-02T20:08:14.9717123Z    = help: consider removing `T`, referring to it in a field, or using a marker such as `std::marker::PhantomData`
2020-03-02T20:08:14.9717507Z 
2020-03-02T20:08:14.9717709Z error: aborting due to 2 previous errors
2020-03-02T20:08:14.9717892Z 
---
2020-03-02T20:08:14.9719617Z 
2020-03-02T20:08:14.9720056Z ---- [ui] ui/typeck/typeck_type_placeholder_item.rs stdout ----
2020-03-02T20:08:14.9720326Z diff of stderr:
2020-03-02T20:08:14.9720457Z 
2020-03-02T20:08:14.9720779Z 64    |               help: replace with the correct return type: `(i32, i32)`
2020-03-02T20:08:14.9721387Z 66 error[E0121]: the type placeholder `_` is not allowed within types on item signatures
2020-03-02T20:08:14.9722000Z -   --> $DIR/typeck_type_placeholder_item.rs:12:15
2020-03-02T20:08:14.9722389Z -    |
2020-03-02T20:08:14.9722389Z -    |
2020-03-02T20:08:14.9722768Z - LL | static TEST3: _ = "test";
2020-03-02T20:08:14.9723541Z -    |               |
2020-03-02T20:08:14.9723985Z -    |               not allowed in type signatures
2020-03-02T20:08:14.9724604Z -    |               help: replace `_` with the correct type: `&'static str`
2020-03-02T20:08:14.9725043Z - 
2020-03-02T20:08:14.9725043Z - 
2020-03-02T20:08:14.9725565Z - error[E0121]: the type placeholder `_` is not allowed within types on item signatures
2020-03-02T20:08:14.9726168Z -   --> $DIR/typeck_type_placeholder_item.rs:15:15
2020-03-02T20:08:14.9726558Z -    |
2020-03-02T20:08:14.9726980Z - LL | static TEST4: _ = 145;
2020-03-02T20:08:14.9727763Z -    |               |
2020-03-02T20:08:14.9728207Z -    |               not allowed in type signatures
2020-03-02T20:08:14.9728788Z -    |               help: replace `_` with the correct type: `i32`
2020-03-02T20:08:14.9729292Z - 
---
2020-03-02T20:08:14.9732092Z - 
2020-03-02T20:08:14.9732613Z - error[E0121]: the type placeholder `_` is not allowed within types on item signatures
2020-03-02T20:08:14.9733208Z 91   --> $DIR/typeck_type_placeholder_item.rs:21:13
2020-03-02T20:08:14.9733470Z 92    |
2020-03-02T20:08:14.9733673Z 93 LL | fn test6(_: _) { }
2020-03-02T20:08:14.9733840Z 
2020-03-02T20:08:14.9734215Z 167    |                                      help: replace with the correct return type: `*const *const usize`
2020-03-02T20:08:14.9734911Z 169 error[E0121]: the type placeholder `_` is not allowed within types on item signatures
2020-03-02T20:08:14.9735614Z -   --> $DIR/typeck_type_placeholder_item.rs:66:8
2020-03-02T20:08:14.9736018Z -    |
2020-03-02T20:08:14.9736345Z - LL |     a: _,
---
2020-03-02T20:08:14.9738777Z -    |         not allowed in type signatures
2020-03-02T20:08:14.9739138Z -    |
2020-03-02T20:08:14.9739527Z - help: use type parameters instead
2020-03-02T20:08:14.9739875Z -    |
2020-03-02T20:08:14.9740225Z - LL | struct Test10<T> {
2020-03-02T20:08:14.9740604Z - LL |     a: T,
2020-03-02T20:08:14.9740920Z - LL |
2020-03-02T20:08:14.9741258Z - LL |     b: (T, T),
2020-03-02T20:08:14.9741871Z - 
2020-03-02T20:08:14.9743683Z - error: missing type for `static` item
2020-03-02T20:08:14.9744197Z -   --> $DIR/typeck_type_placeholder_item.rs:72:12
2020-03-02T20:08:14.9744602Z -    |
2020-03-02T20:08:14.9744602Z -    |
2020-03-02T20:08:14.9744949Z - LL |     static A = 42;
2020-03-02T20:08:14.9745472Z -    |            ^ help: provide a type for the item: `A: i32`
2020-03-02T20:08:14.9745901Z - 
2020-03-02T20:08:14.9746429Z - error[E0121]: the type placeholder `_` is not allowed within types on item signatures
2020-03-02T20:08:14.9747020Z -   --> $DIR/typeck_type_placeholder_item.rs:74:15
2020-03-02T20:08:14.9747419Z -    |
2020-03-02T20:08:14.9747790Z - LL |     static B: _ = 42;
2020-03-02T20:08:14.9748540Z -    |               |
2020-03-02T20:08:14.9749007Z -    |               not allowed in type signatures
2020-03-02T20:08:14.9749590Z -    |               help: replace `_` with the correct type: `i32`
2020-03-02T20:08:14.9750010Z - 
2020-03-02T20:08:14.9750010Z - 
2020-03-02T20:08:14.9750552Z - error[E0121]: the type placeholder `_` is not allowed within types on item signatures
2020-03-02T20:08:14.9751154Z -   --> $DIR/typeck_type_placeholder_item.rs:76:15
2020-03-02T20:08:14.9751540Z -    |
2020-03-02T20:08:14.9751961Z - LL |     static C: Option<_> = Some(42);
2020-03-02T20:08:14.9752860Z - 
2020-03-02T20:08:14.9753391Z - error[E0121]: the type placeholder `_` is not allowed within types on item signatures
2020-03-02T20:08:14.9753994Z 210   --> $DIR/typeck_type_placeholder_item.rs:79:21
2020-03-02T20:08:14.9754248Z 211    |
2020-03-02T20:08:14.9754248Z 211    |
2020-03-02T20:08:14.9754642Z 212 LL |     fn fn_test() -> _ { 5 }
2020-03-02T20:08:14.9754816Z 
2020-03-02T20:08:14.9755256Z 226    |                      help: replace with the correct return type: `(i32, i32)`
2020-03-02T20:08:14.9755908Z 228 error[E0121]: the type placeholder `_` is not allowed within types on item signatures
2020-03-02T20:08:14.9756512Z -   --> $DIR/typeck_type_placeholder_item.rs:85:22
2020-03-02T20:08:14.9756982Z -    |
2020-03-02T20:08:14.9756982Z -    |
2020-03-02T20:08:14.9757399Z - LL |     static FN_TEST3: _ = "test";
2020-03-02T20:08:14.9758228Z -    |                      |
2020-03-02T20:08:14.9758721Z -    |                      not allowed in type signatures
2020-03-02T20:08:14.9759356Z -    |                      help: replace `_` with the correct type: `&'static str`
2020-03-02T20:08:14.9759810Z - 
2020-03-02T20:08:14.9759810Z - 
2020-03-02T20:08:14.9760347Z - error[E0121]: the type placeholder `_` is not allowed within types on item signatures
2020-03-02T20:08:14.9760936Z -   --> $DIR/typeck_type_placeholder_item.rs:88:22
2020-03-02T20:08:14.9761324Z -    |
2020-03-02T20:08:14.9761734Z - LL |     static FN_TEST4: _ = 145;
2020-03-02T20:08:14.9762561Z -    |                      |
2020-03-02T20:08:14.9763050Z -    |                      not allowed in type signatures
2020-03-02T20:08:14.9763663Z -    |                      help: replace `_` with the correct type: `i32`
2020-03-02T20:08:14.9764108Z - 
2020-03-02T20:08:14.9764108Z - 
2020-03-02T20:08:14.9764641Z - error[E0121]: the type placeholder `_` is not allowed within types on item signatures
2020-03-02T20:08:14.9765232Z -   --> $DIR/typeck_type_placeholder_item.rs:91:22
2020-03-02T20:08:14.9765620Z -    |
2020-03-02T20:08:14.9766051Z - LL |     static FN_TEST5: (_, _) = (1, 2);
2020-03-02T20:08:14.9766979Z - 
2020-03-02T20:08:14.9767512Z - error[E0121]: the type placeholder `_` is not allowed within types on item signatures
2020-03-02T20:08:14.9768111Z 253   --> $DIR/typeck_type_placeholder_item.rs:94:20
2020-03-02T20:08:14.9768365Z 254    |
2020-03-02T20:08:14.9768365Z 254    |
2020-03-02T20:08:14.9768601Z 255 LL |     fn fn_test6(_: _) { }
2020-03-02T20:08:14.9768786Z 
2020-03-02T20:08:14.9769198Z 288 LL |     fn fn_test8<T>(_f: fn() -> T) { }
2020-03-02T20:08:14.9769723Z 290 
2020-03-02T20:08:14.9770252Z - error[E0121]: the type placeholder `_` is not allowed within types on item signatures
2020-03-02T20:08:14.9770848Z -   --> $DIR/typeck_type_placeholder_item.rs:123:12
2020-03-02T20:08:14.9771251Z -    |
---
2020-03-02T20:08:14.9774112Z -    |             not allowed in type signatures
2020-03-02T20:08:14.9774478Z -    |
2020-03-02T20:08:14.9774852Z - help: use type parameters instead
2020-03-02T20:08:14.9775340Z -    |
2020-03-02T20:08:14.9775707Z - LL |     struct FnTest10<T> {
2020-03-02T20:08:14.9776090Z - LL |         a: T,
2020-03-02T20:08:14.9776426Z - LL |
2020-03-02T20:08:14.9776774Z - LL |         b: (T, T),
2020-03-02T20:08:14.9777401Z - 
2020-03-02T20:08:14.9777619Z 310 error[E0282]: type annotations needed
2020-03-02T20:08:14.9778135Z 311   --> $DIR/typeck_type_placeholder_item.rs:128:18
2020-03-02T20:08:14.9778390Z 312    |
2020-03-02T20:08:14.9778390Z 312    |
2020-03-02T20:08:14.9778526Z 
2020-03-02T20:08:14.9778858Z 341    |                           help: replace with the correct return type: `(i32, i32)`
2020-03-02T20:08:14.9779514Z 343 error[E0121]: the type placeholder `_` is not allowed within types on item signatures
2020-03-02T20:08:14.9780117Z -   --> $DIR/typeck_type_placeholder_item.rs:154:21
2020-03-02T20:08:14.9780646Z +   --> $DIR/typeck_type_placeholder_item.rs:40:24
2020-03-02T20:08:14.9780908Z 345    |
2020-03-02T20:08:14.9780908Z 345    |
2020-03-02T20:08:14.9781337Z - LL | struct BadStruct<_>(_);
2020-03-02T20:08:14.9782275Z -    |
2020-03-02T20:08:14.9782652Z - help: use type parameters instead
2020-03-02T20:08:14.9782999Z -    |
2020-03-02T20:08:14.9782999Z -    |
2020-03-02T20:08:14.9783430Z - LL | struct BadStruct<T>(T);
2020-03-02T20:08:14.9783842Z -    |                  ^  ^
2020-03-02T20:08:14.9784265Z + LL |     fn test9(&self) -> _ { () }
2020-03-02T20:08:14.9784773Z +    |                        |
2020-03-02T20:08:14.9785063Z +    |                        not allowed in type signatures
2020-03-02T20:08:14.9785480Z +    |                        help: replace with the correct return type: `()`
2020-03-02T20:08:14.9785805Z 353 
2020-03-02T20:08:14.9785805Z 353 
2020-03-02T20:08:14.9786110Z 354 error[E0121]: the type placeholder `_` is not allowed within types on item signatures
2020-03-02T20:08:14.9786715Z -   --> $DIR/typeck_type_placeholder_item.rs:159:32
2020-03-02T20:08:14.9787123Z -    |
2020-03-02T20:08:14.9787514Z - LL | impl BadTrait<_> for BadStruct<_> {}
2020-03-02T20:08:14.9788456Z - 
2020-03-02T20:08:14.9788975Z - error[E0121]: the type placeholder `_` is not allowed within types on item signatures
2020-03-02T20:08:14.9789580Z -   --> $DIR/typeck_type_placeholder_item.rs:159:15
2020-03-02T20:08:14.9789982Z -    |
2020-03-02T20:08:14.9789982Z -    |
2020-03-02T20:08:14.9790377Z - LL | impl BadTrait<_> for BadStruct<_> {}
2020-03-02T20:08:14.9791242Z - 
2020-03-02T20:08:14.9791766Z - error[E0121]: the type placeholder `_` is not allowed within types on item signatures
2020-03-02T20:08:14.9792357Z -   --> $DIR/typeck_type_placeholder_item.rs:159:15
2020-03-02T20:08:14.9792760Z -    |
2020-03-02T20:08:14.9792760Z -    |
2020-03-02T20:08:14.9793153Z - LL | impl BadTrait<_> for BadStruct<_> {}
2020-03-02T20:08:14.9794161Z -    |               |
2020-03-02T20:08:14.9794609Z -    |               not allowed in type signatures
2020-03-02T20:08:14.9794981Z -    |
2020-03-02T20:08:14.9795355Z - help: use type parameters instead
2020-03-02T20:08:14.9795355Z - help: use type parameters instead
2020-03-02T20:08:14.9795720Z -    |
2020-03-02T20:08:14.9796122Z - LL | impl<T> BadTrait<T> for BadStruct<T> {}
2020-03-02T20:08:14.9796947Z - 
2020-03-02T20:08:14.9797469Z - error[E0121]: the type placeholder `_` is not allowed within types on item signatures
2020-03-02T20:08:14.9798061Z -   --> $DIR/typeck_type_placeholder_item.rs:164:34
2020-03-02T20:08:14.9798464Z -    |
2020-03-02T20:08:14.9798464Z -    |
2020-03-02T20:08:14.9798857Z - LL | fn impl_trait() -> impl BadTrait<_> {
2020-03-02T20:08:14.9799816Z - 
2020-03-02T20:08:14.9800340Z - error[E0121]: the type placeholder `_` is not allowed within types on item signatures
2020-03-02T20:08:14.9800935Z -   --> $DIR/typeck_type_placeholder_item.rs:170:25
2020-03-02T20:08:14.9801337Z -    |
2020-03-02T20:08:14.9801337Z -    |
2020-03-02T20:08:14.9801708Z - LL | struct BadStruct1<_, _>(_);
2020-03-02T20:08:14.9802629Z -    |
2020-03-02T20:08:14.9803005Z - help: use type parameters instead
2020-03-02T20:08:14.9803352Z -    |
2020-03-02T20:08:14.9803352Z -    |
2020-03-02T20:08:14.9803719Z - LL | struct BadStruct1<T, _>(T);
2020-03-02T20:08:14.9804470Z - 
2020-03-02T20:08:14.9804988Z - error[E0121]: the type placeholder `_` is not allowed within types on item signatures
2020-03-02T20:08:14.9805592Z -   --> $DIR/typeck_type_placeholder_item.rs:175:25
2020-03-02T20:08:14.9805980Z -    |
2020-03-02T20:08:14.9805980Z -    |
2020-03-02T20:08:14.9806355Z - LL | struct BadStruct2<_, T>(_, T);
2020-03-02T20:08:14.9807268Z -    |
2020-03-02T20:08:14.9807695Z - help: use type parameters instead
2020-03-02T20:08:14.9808071Z -    |
2020-03-02T20:08:14.9808071Z -    |
2020-03-02T20:08:14.9809133Z - LL | struct BadStruct2<K, T>(K, T);
2020-03-02T20:08:14.9809950Z - 
2020-03-02T20:08:14.9810569Z - error[E0121]: the type placeholder `_` is not allowed within types on item signatures
2020-03-02T20:08:14.9811166Z -   --> $DIR/typeck_type_placeholder_item.rs:179:14
2020-03-02T20:08:14.9811572Z -    |
2020-03-02T20:08:14.9811572Z -    |
2020-03-02T20:08:14.9811913Z - LL | type X = Box<_>;
2020-03-02T20:08:14.9812724Z - 
2020-03-02T20:08:14.9813489Z - error[E0121]: the type placeholder `_` is not allowed within types on item signatures
2020-03-02T20:08:14.9814082Z -   --> $DIR/typeck_type_placeholder_item.rs:179:14
2020-03-02T20:08:14.9814474Z -    |
2020-03-02T20:08:14.9814474Z -    |
2020-03-02T20:08:14.9814826Z - LL | type X = Box<_>;
2020-03-02T20:08:14.9815793Z - 
2020-03-02T20:08:14.9816331Z - error[E0121]: the type placeholder `_` is not allowed within types on item signatures
2020-03-02T20:08:14.9816927Z 420   --> $DIR/typeck_type_placeholder_item.rs:43:27
2020-03-02T20:08:14.9817179Z 421    |
2020-03-02T20:08:14.9817179Z 421    |
2020-03-02T20:08:14.9817440Z 422 LL |     fn test10(&self, _x : _) { }
2020-03-02T20:08:14.9817838Z 498    |                      ^^^      ^
2020-03-02T20:08:14.9818040Z 499 
2020-03-02T20:08:14.9818362Z 500 error[E0121]: the type placeholder `_` is not allowed within types on item signatures
2020-03-02T20:08:14.9818959Z +   --> $DIR/typeck_type_placeholder_item.rs:58:24
2020-03-02T20:08:14.9818959Z +   --> $DIR/typeck_type_placeholder_item.rs:58:24
2020-03-02T20:08:14.9819203Z +    |
2020-03-02T20:08:14.9819611Z + LL |     fn clone(&self) -> _ { Test9 }
2020-03-02T20:08:14.9820113Z +    |                        |
2020-03-02T20:08:14.9820416Z +    |                        not allowed in type signatures
2020-03-02T20:08:14.9820846Z +    |                        help: replace with the correct return type: `Test9`
2020-03-02T20:08:14.9821159Z + 
2020-03-02T20:08:14.9821159Z + 
2020-03-02T20:08:14.9821469Z + error[E0121]: the type placeholder `_` is not allowed within types on item signatures
2020-03-02T20:08:14.9822068Z 501   --> $DIR/typeck_type_placeholder_item.rs:61:37
2020-03-02T20:08:14.9822331Z 502    |
2020-03-02T20:08:14.9822636Z 503 LL |     fn clone_from(&mut self, other: _) { *self = Test9; }
2020-03-02T20:08:14.9823100Z 509    |                  ^^^                   ^
2020-03-02T20:08:14.9823332Z 510 
2020-03-02T20:08:14.9823640Z 511 error[E0121]: the type placeholder `_` is not allowed within types on item signatures
2020-03-02T20:08:14.9824242Z +   --> $DIR/typeck_type_placeholder_item.rs:107:31
2020-03-02T20:08:14.9824242Z +   --> $DIR/typeck_type_placeholder_item.rs:107:31
2020-03-02T20:08:14.9824489Z +    |
2020-03-02T20:08:14.9824902Z + LL |         fn fn_test9(&self) -> _ { () }
2020-03-02T20:08:14.9825450Z +    |                               |
2020-03-02T20:08:14.9825782Z +    |                               not allowed in type signatures
2020-03-02T20:08:14.9826226Z +    |                               help: replace with the correct return type: `()`
2020-03-02T20:08:14.9826542Z + 
2020-03-02T20:08:14.9826542Z + 
2020-03-02T20:08:14.9826859Z + error[E0121]: the type placeholder `_` is not allowed within types on item signatures
2020-03-02T20:08:14.9827471Z 512   --> $DIR/typeck_type_placeholder_item.rs:110:34
2020-03-02T20:08:14.9827725Z 513    |
2020-03-02T20:08:14.9827993Z 514 LL |         fn fn_test10(&self, _x : _) { }
2020-03-02T20:08:14.9828420Z 520    |                     ^^^             ^
2020-03-02T20:08:14.9828646Z 521 
2020-03-02T20:08:14.9828953Z 522 error[E0121]: the type placeholder `_` is not allowed within types on item signatures
2020-03-02T20:08:14.9829554Z +   --> $DIR/typeck_type_placeholder_item.rs:115:28
2020-03-02T20:08:14.9829554Z +   --> $DIR/typeck_type_placeholder_item.rs:115:28
2020-03-02T20:08:14.9829816Z +    |
2020-03-02T20:08:14.9830225Z + LL |         fn clone(&self) -> _ { FnTest9 }
2020-03-02T20:08:14.9830837Z +    |                            |
2020-03-02T20:08:14.9831162Z +    |                            not allowed in type signatures
2020-03-02T20:08:14.9831625Z +    |                            help: replace with the correct return type: `main::FnTest9`
2020-03-02T20:08:14.9832015Z + 
2020-03-02T20:08:14.9832015Z + 
2020-03-02T20:08:14.9832328Z + error[E0121]: the type placeholder `_` is not allowed within types on item signatures
2020-03-02T20:08:14.9832940Z 523   --> $DIR/typeck_type_placeholder_item.rs:118:41
2020-03-02T20:08:14.9833193Z 524    |
2020-03-02T20:08:14.9833509Z 525 LL |         fn clone_from(&mut self, other: _) { *self = FnTest9; }
2020-03-02T20:08:14.9833989Z 531    |                      ^^^                   ^
2020-03-02T20:08:14.9834226Z 532 
2020-03-02T20:08:14.9834532Z 533 error[E0121]: the type placeholder `_` is not allowed within types on item signatures
2020-03-02T20:08:14.9835314Z +   --> $DIR/typeck_type_placeholder_item.rs:12:15
2020-03-02T20:08:14.9835314Z +   --> $DIR/typeck_type_placeholder_item.rs:12:15
2020-03-02T20:08:14.9835571Z +    |
2020-03-02T20:08:14.9835778Z + LL | static TEST3: _ = "test";
2020-03-02T20:08:14.9836231Z +    |               |
2020-03-02T20:08:14.9836496Z +    |               not allowed in type signatures
2020-03-02T20:08:14.9837102Z +    |               help: replace `_` with the correct type: `&'static str`
2020-03-02T20:08:14.9837405Z + 
2020-03-02T20:08:14.9837405Z + 
2020-03-02T20:08:14.9837714Z + error[E0121]: the type placeholder `_` is not allowed within types on item signatures
2020-03-02T20:08:14.9838305Z +   --> $DIR/typeck_type_placeholder_item.rs:15:15
2020-03-02T20:08:14.9838552Z +    |
2020-03-02T20:08:14.9838765Z + LL | static TEST4: _ = 145;
2020-03-02T20:08:14.9839195Z +    |               |
2020-03-02T20:08:14.9839470Z +    |               not allowed in type signatures
2020-03-02T20:08:14.9839850Z +    |               help: replace `_` with the correct type: `i32`
2020-03-02T20:08:14.9840126Z + 
---
2020-03-02T20:08:14.9844786Z +    |         not allowed in type signatures
2020-03-02T20:08:14.9845018Z +    |
2020-03-02T20:08:14.9845224Z + help: use type parameters instead
2020-03-02T20:08:14.9845426Z +    |
2020-03-02T20:08:14.9845620Z + LL | struct Test10<T> {
2020-03-02T20:08:14.9845831Z + LL |     a: T,
2020-03-02T20:08:14.9846002Z + LL |
2020-03-02T20:08:14.9846194Z + LL |     b: (T, T),
2020-03-02T20:08:14.9846508Z + 
2020-03-02T20:08:14.9846713Z + error: missing type for `static` item
2020-03-02T20:08:14.9847232Z +   --> $DIR/typeck_type_placeholder_item.rs:72:12
2020-03-02T20:08:14.9847476Z +    |
2020-03-02T20:08:14.9847476Z +    |
2020-03-02T20:08:14.9847657Z + LL |     static A = 42;
2020-03-02T20:08:14.9847991Z +    |            ^ help: provide a type for the item: `A: i32`
2020-03-02T20:08:14.9848264Z + 
2020-03-02T20:08:14.9848561Z + error[E0121]: the type placeholder `_` is not allowed within types on item signatures
2020-03-02T20:08:14.9849221Z +   --> $DIR/typeck_type_placeholder_item.rs:74:15
2020-03-02T20:08:14.9849469Z +    |
2020-03-02T20:08:14.9849666Z + LL |     static B: _ = 42;
2020-03-02T20:08:14.9850112Z +    |               |
2020-03-02T20:08:14.9850373Z +    |               not allowed in type signatures
2020-03-02T20:08:14.9850822Z +    |               help: replace `_` with the correct type: `i32`
2020-03-02T20:08:14.9851101Z + 
2020-03-02T20:08:14.9851101Z + 
2020-03-02T20:08:14.9851399Z + error[E0121]: the type placeholder `_` is not allowed within types on item signatures
2020-03-02T20:08:14.9852020Z +   --> $DIR/typeck_type_placeholder_item.rs:76:15
2020-03-02T20:08:14.9852264Z +    |
2020-03-02T20:08:14.9852490Z + LL |     static C: Option<_> = Some(42);
2020-03-02T20:08:14.9853074Z + 
2020-03-02T20:08:14.9853370Z + error[E0121]: the type placeholder `_` is not allowed within types on item signatures
2020-03-02T20:08:14.9853968Z +   --> $DIR/typeck_type_placeholder_item.rs:85:22
2020-03-02T20:08:14.9854233Z +    |
2020-03-02T20:08:14.9854233Z +    |
2020-03-02T20:08:14.9854455Z + LL |     static FN_TEST3: _ = "test";
2020-03-02T20:08:14.9854961Z +    |                      |
2020-03-02T20:08:14.9855354Z +    |                      not allowed in type signatures
2020-03-02T20:08:14.9856006Z +    |                      help: replace `_` with the correct type: `&'static str`
2020-03-02T20:08:14.9856334Z + 
2020-03-02T20:08:14.9856334Z + 
2020-03-02T20:08:14.9856631Z + error[E0121]: the type placeholder `_` is not allowed within types on item signatures
2020-03-02T20:08:14.9857219Z +   --> $DIR/typeck_type_placeholder_item.rs:88:22
2020-03-02T20:08:14.9858154Z +    |
2020-03-02T20:08:14.9858378Z + LL |     static FN_TEST4: _ = 145;
2020-03-02T20:08:14.9858880Z +    |                      |
2020-03-02T20:08:14.9859166Z +    |                      not allowed in type signatures
2020-03-02T20:08:14.9859571Z +    |                      help: replace `_` with the correct type: `i32`
2020-03-02T20:08:14.9859880Z + 
2020-03-02T20:08:14.9859880Z + 
2020-03-02T20:08:14.9860177Z + error[E0121]: the type placeholder `_` is not allowed within types on item signatures
2020-03-02T20:08:14.9860784Z +   --> $DIR/typeck_type_placeholder_item.rs:91:22
2020-03-02T20:08:14.9861049Z +    |
2020-03-02T20:08:14.9861280Z + LL |     static FN_TEST5: (_, _) = (1, 2);
2020-03-02T20:08:14.9861884Z + 
2020-03-02T20:08:14.9862178Z + error[E0121]: the type placeholder `_` is not allowed within types on item signatures
2020-03-02T20:08:14.9862773Z +   --> $DIR/typeck_type_placeholder_item.rs:123:12
2020-03-02T20:08:14.9863032Z +    |
---
2020-03-02T20:08:14.9864714Z +    |             not allowed in type signatures
2020-03-02T20:08:14.9864937Z +    |
2020-03-02T20:08:14.9865138Z + help: use type parameters instead
2020-03-02T20:08:14.9865357Z +    |
2020-03-02T20:08:14.9865551Z + LL |     struct FnTest10<T> {
2020-03-02T20:08:14.9865781Z + LL |         a: T,
2020-03-02T20:08:14.9865974Z + LL |
2020-03-02T20:08:14.9866162Z + LL |         b: (T, T),
2020-03-02T20:08:14.9866483Z + 
2020-03-02T20:08:14.9866796Z + error[E0121]: the type placeholder `_` is not allowed within types on item signatures
2020-03-02T20:08:14.9867403Z +   --> $DIR/typeck_type_placeholder_item.rs:154:21
2020-03-02T20:08:14.9867647Z +    |
2020-03-02T20:08:14.9867647Z +    |
2020-03-02T20:08:14.9867854Z + LL | struct BadStruct<_>(_);
2020-03-02T20:08:14.9868381Z +    |
2020-03-02T20:08:14.9868671Z + help: use type parameters instead
2020-03-02T20:08:14.9868876Z +    |
2020-03-02T20:08:14.9868876Z +    |
2020-03-02T20:08:14.9869064Z + LL | struct BadStruct<T>(T);
2020-03-02T20:08:14.9869488Z + 
2020-03-02T20:08:14.9869784Z + error[E0121]: the type placeholder `_` is not allowed within types on item signatures
2020-03-02T20:08:14.9870459Z +   --> $DIR/typeck_type_placeholder_item.rs:159:32
2020-03-02T20:08:14.9870709Z +    |
2020-03-02T20:08:14.9870709Z +    |
2020-03-02T20:08:14.9870924Z + LL | impl BadTrait<_> for BadStruct<_> {}
2020-03-02T20:08:14.9871524Z + 
2020-03-02T20:08:14.9871818Z + error[E0121]: the type placeholder `_` is not allowed within types on item signatures
2020-03-02T20:08:14.9872413Z +   --> $DIR/typeck_type_placeholder_item.rs:159:15
2020-03-02T20:08:14.9872674Z +    |
2020-03-02T20:08:14.9872674Z +    |
2020-03-02T20:08:14.9872890Z + LL | impl BadTrait<_> for BadStruct<_> {}
2020-03-02T20:08:14.9873436Z + 
2020-03-02T20:08:14.9873729Z + error[E0121]: the type placeholder `_` is not allowed within types on item signatures
2020-03-02T20:08:14.9874322Z +   --> $DIR/typeck_type_placeholder_item.rs:159:15
2020-03-02T20:08:14.9874586Z +    |
2020-03-02T20:08:14.9874586Z +    |
2020-03-02T20:08:14.9874803Z + LL | impl BadTrait<_> for BadStruct<_> {}
2020-03-02T20:08:14.9875442Z +    |               |
2020-03-02T20:08:14.9875700Z +    |               not allowed in type signatures
2020-03-02T20:08:14.9875925Z +    |
2020-03-02T20:08:14.9876141Z + help: use type parameters instead
2020-03-02T20:08:14.9876141Z + help: use type parameters instead
2020-03-02T20:08:14.9876345Z +    |
2020-03-02T20:08:14.9876566Z + LL | impl<T> BadTrait<T> for BadStruct<T> {}
2020-03-02T20:08:14.9877071Z + 
2020-03-02T20:08:14.9877372Z + error[E0121]: the type placeholder `_` is not allowed within types on item signatures
2020-03-02T20:08:14.9877991Z 534   --> $DIR/typeck_type_placeholder_item.rs:164:34
2020-03-02T20:08:14.9878246Z 535    |
2020-03-02T20:08:14.9878246Z 535    |
2020-03-02T20:08:14.9878654Z 536 LL | fn impl_trait() -> impl BadTrait<_> {
2020-03-02T20:08:14.9879120Z 537    |                                  ^ not allowed in type signatures
2020-03-02T20:08:14.9879390Z 538 
2020-03-02T20:08:14.9879697Z 539 error[E0121]: the type placeholder `_` is not allowed within types on item signatures
2020-03-02T20:08:14.9880317Z +   --> $DIR/typeck_type_placeholder_item.rs:170:25
2020-03-02T20:08:14.9880317Z +   --> $DIR/typeck_type_placeholder_item.rs:170:25
2020-03-02T20:08:14.9880567Z +    |
2020-03-02T20:08:14.9880795Z + LL | struct BadStruct1<_, _>(_);
2020-03-02T20:08:14.9881361Z +    |
2020-03-02T20:08:14.9881562Z + help: use type parameters instead
2020-03-02T20:08:14.9881778Z +    |
2020-03-02T20:08:14.9881778Z +    |
2020-03-02T20:08:14.9881975Z + LL | struct BadStruct1<T, _>(T);
2020-03-02T20:08:14.9882409Z + 
2020-03-02T20:08:14.9882720Z + error[E0121]: the type placeholder `_` is not allowed within types on item signatures
2020-03-02T20:08:14.9883319Z +   --> $DIR/typeck_type_placeholder_item.rs:175:25
2020-03-02T20:08:14.9883564Z +    |
2020-03-02T20:08:14.9883564Z +    |
2020-03-02T20:08:14.9883787Z + LL | struct BadStruct2<_, T>(_, T);
2020-03-02T20:08:14.9884349Z +    |
2020-03-02T20:08:14.9884565Z + help: use type parameters instead
2020-03-02T20:08:14.9884766Z +    |
2020-03-02T20:08:14.9884766Z +    |
2020-03-02T20:08:14.9884968Z + LL | struct BadStruct2<K, T>(K, T);
2020-03-02T20:08:14.9885415Z + 
2020-03-02T20:08:14.9885713Z + error[E0121]: the type placeholder `_` is not allowed within types on item signatures
2020-03-02T20:08:14.9886323Z +   --> $DIR/typeck_type_placeholder_item.rs:179:14
2020-03-02T20:08:14.9886570Z +    |
2020-03-02T20:08:14.9886570Z +    |
2020-03-02T20:08:14.9886749Z + LL | type X = Box<_>;
2020-03-02T20:08:14.9887306Z + 
2020-03-02T20:08:14.9887600Z + error[E0121]: the type placeholder `_` is not allowed within types on item signatures
2020-03-02T20:08:14.9888218Z +   --> $DIR/typeck_type_placeholder_item.rs:179:14
2020-03-02T20:08:14.9888526Z +    |
2020-03-02T20:08:14.9888526Z +    |
2020-03-02T20:08:14.9888701Z + LL | type X = Box<_>;
2020-03-02T20:08:14.9889201Z + 
2020-03-02T20:08:14.9889496Z + error[E0121]: the type placeholder `_` is not allowed within types on item signatures
2020-03-02T20:08:14.9890097Z +   --> $DIR/typeck_type_placeholder_item.rs:164:34
2020-03-02T20:08:14.9890358Z +    |
2020-03-02T20:08:14.9890358Z +    |
2020-03-02T20:08:14.9890751Z + LL | fn impl_trait() -> impl BadTrait<_> {
2020-03-02T20:08:14.9891366Z + 
2020-03-02T20:08:14.9891663Z + error[E0121]: the type placeholder `_` is not allowed within types on item signatures
2020-03-02T20:08:14.9892267Z 540   --> $DIR/typeck_type_placeholder_item.rs:186:21
2020-03-02T20:08:14.9892534Z 541    |
2020-03-02T20:08:14.9892534Z 541    |
2020-03-02T20:08:14.9892734Z 542 LL | type Y = impl Trait<_>;
2020-03-02T20:08:14.9893069Z 568    |              |
2020-03-02T20:08:14.9893344Z 569    |              not allowed in type signatures
2020-03-02T20:08:14.9893723Z 570    |              help: replace `_` with the correct type: `i32`
2020-03-02T20:08:14.9894148Z - 
2020-03-02T20:08:14.9894148Z - 
2020-03-02T20:08:14.9894684Z - error[E0121]: the type placeholder `_` is not allowed within types on item signatures
2020-03-02T20:08:14.9895380Z -   --> $DIR/typeck_type_placeholder_item.rs:40:24
2020-03-02T20:08:14.9896421Z -    |
2020-03-02T20:08:14.9896852Z - LL |     fn test9(&self) -> _ { () }
2020-03-02T20:08:14.9897681Z -    |                        |
2020-03-02T20:08:14.9898193Z -    |                        not allowed in type signatures
2020-03-02T20:08:14.9898825Z -    |                        help: replace with the correct return type: `()`
2020-03-02T20:08:14.9899269Z - 
2020-03-02T20:08:14.9899269Z - 
2020-03-02T20:08:14.9899807Z - error[E0121]: the type placeholder `_` is not allowed within types on item signatures
2020-03-02T20:08:14.9900406Z -   --> $DIR/typeck_type_placeholder_item.rs:58:24
2020-03-02T20:08:14.9900793Z -    |
2020-03-02T20:08:14.9901202Z - LL |     fn clone(&self) -> _ { Test9 }
2020-03-02T20:08:14.9902034Z -    |                        |
2020-03-02T20:08:14.9902540Z -    |                        not allowed in type signatures
2020-03-02T20:08:14.9903179Z -    |                        help: replace with the correct return type: `Test9`
2020-03-02T20:08:14.9903627Z - 
2020-03-02T20:08:14.9903627Z - 
2020-03-02T20:08:14.9904161Z - error[E0121]: the type placeholder `_` is not allowed within types on item signatures
2020-03-02T20:08:14.9904760Z -   --> $DIR/typeck_type_placeholder_item.rs:107:31
2020-03-02T20:08:14.9905154Z -    |
2020-03-02T20:08:14.9905575Z - LL |         fn fn_test9(&self) -> _ { () }
2020-03-02T20:08:14.9906469Z -    |                               |
2020-03-02T20:08:14.9906988Z -    |                               not allowed in type signatures
2020-03-02T20:08:14.9907675Z -    |                               help: replace with the correct return type: `()`
2020-03-02T20:08:14.9908139Z - 
2020-03-02T20:08:14.9908139Z - 
2020-03-02T20:08:14.9908659Z - error[E0121]: the type placeholder `_` is not allowed within types on item signatures
2020-03-02T20:08:14.9909273Z -   --> $DIR/typeck_type_placeholder_item.rs:115:28
2020-03-02T20:08:14.9909662Z -    |
2020-03-02T20:08:14.9910071Z - LL |         fn clone(&self) -> _ { FnTest9 }
2020-03-02T20:08:14.9910962Z -    |                            |
2020-03-02T20:08:14.9911469Z -    |                            not allowed in type signatures
2020-03-02T20:08:14.9912260Z -    |                            help: replace with the correct return type: `main::FnTest9`
2020-03-02T20:08:14.9912610Z 607 
2020-03-02T20:08:14.9912610Z 607 
2020-03-02T20:08:14.9912918Z 608 error[E0121]: the type placeholder `_` is not allowed within types on item signatures
2020-03-02T20:08:14.9913610Z 609   --> $DIR/typeck_type_placeholder_item.rs:204:14
2020-03-02T20:08:14.9913834Z 
2020-03-02T20:08:14.9913938Z 
2020-03-02T20:08:14.9914157Z The actual stderr differed from the expected stderr.
2020-03-02T20:08:14.9914940Z Actual stderr saved to /checkout/obj/build/x86_64-unknown-linux-gnu/test/ui/typeck/typeck_type_placeholder_item/typeck_type_placeholder_item.stderr
2020-03-02T20:08:14.9915663Z To update references, rerun the tests and pass the `--bless` flag
2020-03-02T20:08:14.9916342Z To only update this specific test, also pass `--test-args typeck/typeck_type_placeholder_item.rs`
2020-03-02T20:08:14.9916828Z error: 1 errors occurred comparing output.
2020-03-02T20:08:14.9917082Z status: exit code: 1
2020-03-02T20:08:14.9917082Z status: exit code: 1
2020-03-02T20:08:14.9919238Z command: "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2/bin/rustc" "/checkout/src/test/ui/typeck/typeck_type_placeholder_item.rs" "-Zthreads=1" "--target=x86_64-unknown-linux-gnu" "--error-format" "json" "-Zui-testing" "-Zdeduplicate-diagnostics=no" "--emit" "metadata" "-C" "prefer-dynamic" "--out-dir" "/checkout/obj/build/x86_64-unknown-linux-gnu/test/ui/typeck/typeck_type_placeholder_item" "-Crpath" "-O" "-Cdebuginfo=0" "-Zunstable-options" "-Lnative=/checkout/obj/build/x86_64-unknown-linux-gnu/native/rust-test-helpers" "-A" "unused" "-L" "/checkout/obj/build/x86_64-unknown-linux-gnu/test/ui/typeck/typeck_type_placeholder_item/auxiliary"
2020-03-02T20:08:14.9921002Z ------------------------------------------
2020-03-02T20:08:14.9921187Z 
2020-03-02T20:08:14.9921580Z ------------------------------------------
2020-03-02T20:08:14.9921795Z stderr:
2020-03-02T20:08:14.9921795Z stderr:
2020-03-02T20:08:14.9922181Z ------------------------------------------
2020-03-02T20:08:14.9922499Z error: expected identifier, found reserved identifier `_`
2020-03-02T20:08:14.9923113Z   --> /checkout/src/test/ui/typeck/typeck_type_placeholder_item.rs:154:18
2020-03-02T20:08:14.9923402Z    |
2020-03-02T20:08:14.9923585Z LL | struct BadStruct<_>(_);
2020-03-02T20:08:14.9924146Z 
2020-03-02T20:08:14.9924378Z error: expected identifier, found reserved identifier `_`
2020-03-02T20:08:14.9924986Z   --> /checkout/src/test/ui/typeck/typeck_type_placeholder_item.rs:157:16
2020-03-02T20:08:14.9925268Z    |
2020-03-02T20:08:14.9925268Z    |
2020-03-02T20:08:14.9925445Z LL | trait BadTrait<_> {}
2020-03-02T20:08:14.9925981Z 
2020-03-02T20:08:14.9926209Z error: expected identifier, found reserved identifier `_`
2020-03-02T20:08:14.9926800Z   --> /checkout/src/test/ui/typeck/typeck_type_placeholder_item.rs:170:19
2020-03-02T20:08:14.9927102Z    |
2020-03-02T20:08:14.9927102Z    |
2020-03-02T20:08:14.9927295Z LL | struct BadStruct1<_, _>(_);
2020-03-02T20:08:14.9927858Z 
2020-03-02T20:08:14.9928089Z error: expected identifier, found reserved identifier `_`
2020-03-02T20:08:14.9928687Z   --> /checkout/src/test/ui/typeck/typeck_type_placeholder_item.rs:170:22
2020-03-02T20:08:14.9928983Z    |
2020-03-02T20:08:14.9928983Z    |
2020-03-02T20:08:14.9929177Z LL | struct BadStruct1<_, _>(_);
2020-03-02T20:08:14.9929738Z 
2020-03-02T20:08:14.9929982Z error: expected identifier, found reserved identifier `_`
2020-03-02T20:08:14.9930574Z   --> /checkout/src/test/ui/typeck/typeck_type_placeholder_item.rs:175:19
2020-03-02T20:08:14.9930858Z    |
2020-03-02T20:08:14.9930858Z    |
2020-03-02T20:08:14.9931071Z LL | struct BadStruct2<_, T>(_, T);
2020-03-02T20:08:14.9931679Z 
2020-03-02T20:08:14.9931919Z error: associated constant in `impl` without body
2020-03-02T20:08:14.9932506Z   --> /checkout/src/test/ui/typeck/typeck_type_placeholder_item.rs:208:5
2020-03-02T20:08:14.9932791Z    |
2020-03-02T20:08:14.9932791Z    |
2020-03-02T20:08:14.9932970Z LL |     const C: _;
2020-03-02T20:08:14.9933418Z    |     ^^^^^^^^^^-
2020-03-02T20:08:14.9933619Z    |               |
2020-03-02T20:08:14.9933952Z    |               help: provide a definition for the constant: `= <expr>;`
2020-03-02T20:08:14.9934247Z 
2020-03-02T20:08:14.9934801Z error[E0403]: the name `_` is already used for a generic parameter in this item's generic parameters
2020-03-02T20:08:14.9935906Z    |
2020-03-02T20:08:14.9935906Z    |
2020-03-02T20:08:14.9936096Z LL | struct BadStruct1<_, _>(_);
2020-03-02T20:08:14.9936530Z    |                   -  ^ already used
2020-03-02T20:08:14.9937033Z    |                   first use of `_`
2020-03-02T20:08:14.9937209Z 
2020-03-02T20:08:14.9937512Z error[E0121]: the type placeholder `_` is not allowed within types on item signatures
2020-03-02T20:08:14.9938156Z   --> /checkout/src/test/ui/typeck/typeck_type_placeholder_item.rs:6:14
---
2020-03-02T20:08:14.9940093Z 
2020-03-02T20:08:14.9940382Z error[E0121]: the type placeholder `_` is not allowed within types on item signatures
2020-03-02T20:08:14.9941036Z   --> /checkout/src/test/ui/typeck/typeck_type_placeholder_item.rs:9:16
2020-03-02T20:08:14.9941311Z    |
2020-03-02T20:08:14.9941682Z LL | fn test2() -> (_, _) { (5, 5) }
2020-03-02T20:08:14.9942095Z    |               -^--^-
2020-03-02T20:08:14.9942320Z    |               ||  |
2020-03-02T20:08:14.9942587Z    |               ||  not allowed in type signatures
2020-03-02T20:08:14.9942915Z    |               |not allowed in type signatures
2020-03-02T20:08:14.9943305Z    |               help: replace with the correct return type: `(i32, i32)`
2020-03-02T20:08:14.9943864Z error[E0121]: the type placeholder `_` is not allowed within types on item signatures
2020-03-02T20:08:14.9944529Z   --> /checkout/src/test/ui/typeck/typeck_type_placeholder_item.rs:21:13
2020-03-02T20:08:14.9944810Z    |
2020-03-02T20:08:14.9944810Z    |
2020-03-02T20:08:14.9944993Z LL | fn test6(_: _) { }
2020-03-02T20:08:14.9945492Z    |
2020-03-02T20:08:14.9945685Z help: use type parameters instead
2020-03-02T20:08:14.9945890Z    |
2020-03-02T20:08:14.9946080Z LL | fn test6<T>(_: T) { }
2020-03-02T20:08:14.9946080Z LL | fn test6<T>(_: T) { }
2020-03-02T20:08:14.9946301Z    |         ^^^    ^
2020-03-02T20:08:14.9946446Z 
2020-03-02T20:08:14.9946754Z error[E0121]: the type placeholder `_` is not allowed within types on item signatures
2020-03-02T20:08:14.9947401Z   --> /checkout/src/test/ui/typeck/typeck_type_placeholder_item.rs:24:18
2020-03-02T20:08:14.9947682Z    |
2020-03-02T20:08:14.9947909Z LL | fn test6_b<T>(_: _, _: T) { }
2020-03-02T20:08:14.9948450Z    |
2020-03-02T20:08:14.9948658Z help: use type parameters instead
2020-03-02T20:08:14.9948851Z    |
2020-03-02T20:08:14.9948851Z    |
2020-03-02T20:08:14.9949066Z LL | fn test6_b<T, K>(_: K, _: T) { }
2020-03-02T20:08:14.9949487Z 
2020-03-02T20:08:14.9949773Z error[E0121]: the type placeholder `_` is not allowed within types on item signatures
2020-03-02T20:08:14.9950417Z   --> /checkout/src/test/ui/typeck/typeck_type_placeholder_item.rs:27:30
2020-03-02T20:08:14.9950709Z    |
2020-03-02T20:08:14.9950709Z    |
2020-03-02T20:08:14.9950973Z LL | fn test6_c<T, K, L, A, B>(_: _, _: (T, K, L, A, B)) { }
2020-03-02T20:08:14.9951680Z    |
2020-03-02T20:08:14.9951874Z help: use type parameters instead
2020-03-02T20:08:14.9952067Z    |
2020-03-02T20:08:14.9952067Z    |
2020-03-02T20:08:14.9952351Z LL | fn test6_c<T, K, L, A, B, C>(_: C, _: (T, K, L, A, B)) { }
2020-03-02T20:08:14.9952906Z 
2020-03-02T20:08:14.9953195Z error[E0121]: the type placeholder `_` is not allowed within types on item signatures
2020-03-02T20:08:14.9953872Z   --> /checkout/src/test/ui/typeck/typeck_type_placeholder_item.rs:30:13
2020-03-02T20:08:14.9954151Z    |
2020-03-02T20:08:14.9954151Z    |
2020-03-02T20:08:14.9954378Z LL | fn test7(x: _) { let _x: usize = x; }
2020-03-02T20:08:14.9954923Z    |
2020-03-02T20:08:14.9955116Z help: use type parameters instead
2020-03-02T20:08:14.9955320Z    |
2020-03-02T20:08:14.9955320Z    |
2020-03-02T20:08:14.9955552Z LL | fn test7<T>(x: T) { let _x: usize = x; }
2020-03-02T20:08:14.9955964Z 
2020-03-02T20:08:14.9956266Z error[E0121]: the type placeholder `_` is not allowed within types on item signatures
2020-03-02T20:08:14.9956918Z   --> /checkout/src/test/ui/typeck/typeck_type_placeholder_item.rs:33:22
2020-03-02T20:08:14.9957204Z    |
2020-03-02T20:08:14.9957204Z    |
2020-03-02T20:08:14.9957586Z LL | fn test8(_f: fn() -> _) { }
2020-03-02T20:08:14.9958104Z 
2020-03-02T20:08:14.9958407Z error[E0121]: the type placeholder `_` is not allowed within types on item signatures
2020-03-02T20:08:14.9959055Z   --> /checkout/src/test/ui/typeck/typeck_type_placeholder_item.rs:33:22
2020-03-02T20:08:14.9959333Z    |
2020-03-02T20:08:14.9959333Z    |
2020-03-02T20:08:14.9959715Z LL | fn test8(_f: fn() -> _) { }
2020-03-02T20:08:14.9960253Z    |
2020-03-02T20:08:14.9960459Z help: use type parameters instead
2020-03-02T20:08:14.9960653Z    |
2020-03-02T20:08:14.9960653Z    |
2020-03-02T20:08:14.9961035Z LL | fn test8<T>(_f: fn() -> T) { }
2020-03-02T20:08:14.9961469Z 
2020-03-02T20:08:14.9976757Z error[E0121]: the type placeholder `_` is not allowed within types on item signatures
2020-03-02T20:08:14.9978370Z   --> /checkout/src/test/ui/typeck/typeck_type_placeholder_item.rs:47:26
2020-03-02T20:08:14.9978865Z    |
2020-03-02T20:08:14.9978865Z    |
2020-03-02T20:08:14.9979556Z LL | fn test11(x: &usize) -> &_ {
2020-03-02T20:08:14.9980318Z    |                         -^
2020-03-02T20:08:14.9981226Z    |                         |not allowed in type signatures
2020-03-02T20:08:14.9981226Z    |                         |not allowed in type signatures
2020-03-02T20:08:14.9982255Z    |                         help: replace with the correct return type: `&&usize`
2020-03-02T20:08:14.9983261Z error[E0121]: the type placeholder `_` is not allowed within types on item signatures
2020-03-02T20:08:14.9984434Z   --> /checkout/src/test/ui/typeck/typeck_type_placeholder_item.rs:52:52
2020-03-02T20:08:14.9984926Z    |
2020-03-02T20:08:14.9984926Z    |
2020-03-02T20:08:14.9985705Z LL | unsafe fn test12(x: *const usize) -> *const *const _ {
2020-03-02T20:08:14.9987229Z    |                                      |             |
2020-03-02T20:08:14.9987900Z    |                                      |             not allowed in type signatures
2020-03-02T20:08:14.9987900Z    |                                      |             not allowed in type signatures
2020-03-02T20:08:14.9988806Z    |                                      help: replace with the correct return type: `*const *const usize`
2020-03-02T20:08:14.9989903Z error[E0121]: the type placeholder `_` is not allowed within types on item signatures
2020-03-02T20:08:14.9991040Z   --> /checkout/src/test/ui/typeck/typeck_type_placeholder_item.rs:79:21
2020-03-02T20:08:14.9991521Z    |
2020-03-02T20:08:14.9991521Z    |
2020-03-02T20:08:14.9992142Z LL |     fn fn_test() -> _ { 5 }
2020-03-02T20:08:14.9992941Z    |                     |
2020-03-02T20:08:14.9993677Z    |                     not allowed in type signatures
2020-03-02T20:08:14.9994369Z    |                     help: replace with the correct return type: `i32`
2020-03-02T20:08:14.9994859Z 
2020-03-02T20:08:14.9994859Z 
2020-03-02T20:08:14.9995349Z error[E0121]: the type placeholder `_` is not allowed within types on item signatures
2020-03-02T20:08:14.9996598Z   --> /checkout/src/test/ui/typeck/typeck_type_placeholder_item.rs:82:23
2020-03-02T20:08:14.9997096Z    |
2020-03-02T20:08:14.9997780Z LL |     fn fn_test2() -> (_, _) { (5, 5) }
2020-03-02T20:08:14.9998525Z    |                      -^--^-
2020-03-02T20:08:14.9998959Z    |                      ||  |
2020-03-02T20:08:14.9999457Z    |                      ||  not allowed in type signatures
2020-03-02T20:08:15.0000040Z    |                      |not allowed in type signatures
2020-03-02T20:08:15.0000770Z    |                      help: replace with the correct return type: `(i32, i32)`
2020-03-02T20:08:15.0001768Z error[E0121]: the type placeholder `_` is not allowed within types on item signatures
2020-03-02T20:08:15.0002882Z   --> /checkout/src/test/ui/typeck/typeck_type_placeholder_item.rs:94:20
2020-03-02T20:08:15.0003383Z    |
2020-03-02T20:08:15.0003383Z    |
2020-03-02T20:08:15.0003727Z LL |     fn fn_test6(_: _) { }
2020-03-02T20:08:15.0004664Z    |
2020-03-02T20:08:15.0004994Z help: use type parameters instead
2020-03-02T20:08:15.0005330Z    |
2020-03-02T20:08:15.0005330Z    |
2020-03-02T20:08:15.0005700Z LL |     fn fn_test6<T>(_: T) { }
2020-03-02T20:08:15.0006397Z 
2020-03-02T20:08:15.0006888Z error[E0121]: the type placeholder `_` is not allowed within types on item signatures
2020-03-02T20:08:15.0007809Z   --> /checkout/src/test/ui/typeck/typeck_type_placeholder_item.rs:97:20
2020-03-02T20:08:15.0008090Z    |
2020-03-02T20:08:15.0008090Z    |
2020-03-02T20:08:15.0008334Z LL |     fn fn_test7(x: _) { let _x: usize = x; }
2020-03-02T20:08:15.0008923Z    |
2020-03-02T20:08:15.0009116Z help: use type parameters instead
2020-03-02T20:08:15.0009322Z    |
2020-03-02T20:08:15.0009322Z    |
2020-03-02T20:08:15.0009570Z LL |     fn fn_test7<T>(x: T) { let _x: usize = x; }
2020-03-02T20:08:15.0010023Z 
2020-03-02T20:08:15.0010329Z error[E0121]: the type placeholder `_` is not allowed within types on item signatures
2020-03-02T20:08:15.0010982Z   --> /checkout/src/test/ui/typeck/typeck_type_placeholder_item.rs:100:29
2020-03-02T20:08:15.0011263Z    |
2020-03-02T20:08:15.0011263Z    |
2020-03-02T20:08:15.0011672Z LL |     fn fn_test8(_f: fn() -> _) { }
2020-03-02T20:08:15.0012229Z 
2020-03-02T20:08:15.0012529Z error[E0121]: the type placeholder `_` is not allowed within types on item signatures
2020-03-02T20:08:15.0013175Z   --> /checkout/src/test/ui/typeck/typeck_type_placeholder_item.rs:100:29
2020-03-02T20:08:15.0013465Z    |
2020-03-02T20:08:15.0013465Z    |
2020-03-02T20:08:15.0013872Z LL |     fn fn_test8(_f: fn() -> _) { }
2020-03-02T20:08:15.0014452Z    |
2020-03-02T20:08:15.0014661Z help: use type parameters instead
2020-03-02T20:08:15.0014856Z    |
2020-03-02T20:08:15.0014856Z    |
2020-03-02T20:08:15.0015375Z LL |     fn fn_test8<T>(_f: fn() -> T) { }
2020-03-02T20:08:15.0015858Z 
2020-03-02T20:08:15.0016057Z error[E0282]: type annotations needed
2020-03-02T20:08:15.0016623Z   --> /checkout/src/test/ui/typeck/typeck_type_placeholder_item.rs:128:18
2020-03-02T20:08:15.0016920Z    |
2020-03-02T20:08:15.0016920Z    |
2020-03-02T20:08:15.0017347Z LL |     fn fn_test11(_: _) -> (_, _) { panic!() }
2020-03-02T20:08:15.0017841Z 
2020-03-02T20:08:15.0018141Z error[E0121]: the type placeholder `_` is not allowed within types on item signatures
2020-03-02T20:08:15.0018858Z   --> /checkout/src/test/ui/typeck/typeck_type_placeholder_item.rs:128:28
2020-03-02T20:08:15.0019147Z    |
2020-03-02T20:08:15.0019147Z    |
2020-03-02T20:08:15.0019598Z LL |     fn fn_test11(_: _) -> (_, _) { panic!() }
2020-03-02T20:08:15.0020322Z    |                            |
2020-03-02T20:08:15.0020638Z    |                            not allowed in type signatures
2020-03-02T20:08:15.0020856Z 
2020-03-02T20:08:15.0021144Z error[E0121]: the type placeholder `_` is not allowed within types on item signatures
2020-03-02T20:08:15.0021144Z error[E0121]: the type placeholder `_` is not allowed within types on item signatures
2020-03-02T20:08:15.0021816Z   --> /checkout/src/test/ui/typeck/typeck_type_placeholder_item.rs:132:30
2020-03-02T20:08:15.0022104Z    |
2020-03-02T20:08:15.0022530Z LL |     fn fn_test12(x: i32) -> (_, _) { (x, x) }
2020-03-02T20:08:15.0023024Z    |                             -^--^-
2020-03-02T20:08:15.0023291Z    |                             ||  |
2020-03-02T20:08:15.0023605Z    |                             ||  not allowed in type signatures
2020-03-02T20:08:15.0023988Z    |                             |not allowed in type signatures
2020-03-02T20:08:15.0024433Z    |                             help: replace with the correct return type: `(i32, i32)`
2020-03-02T20:08:15.0025022Z error[E0121]: the type placeholder `_` is not allowed within types on item signatures
2020-03-02T20:08:15.0025692Z   --> /checkout/src/test/ui/typeck/typeck_type_placeholder_item.rs:135:33
2020-03-02T20:08:15.0025972Z    |
2020-03-02T20:08:15.0025972Z    |
2020-03-02T20:08:15.0026398Z LL |     fn fn_test13(x: _) -> (i32, _) { (x, x) }
2020-03-02T20:08:15.0027163Z    |                           |     |
2020-03-02T20:08:15.0027481Z    |                           |     not allowed in type signatures
2020-03-02T20:08:15.0027481Z    |                           |     not allowed in type signatures
2020-03-02T20:08:15.0027940Z    |                           help: replace with the correct return type: `(i32, i32)`
2020-03-02T20:08:15.0028532Z error[E0121]: the type placeholder `_` is not allowed within types on item signatures
2020-03-02T20:08:15.0029187Z   --> /checkout/src/test/ui/typeck/typeck_type_placeholder_item.rs:40:24
2020-03-02T20:08:15.0029467Z    |
2020-03-02T20:08:15.0029467Z    |
2020-03-02T20:08:15.0029885Z LL |     fn test9(&self) -> _ { () }
2020-03-02T20:08:15.0030385Z    |                        |
2020-03-02T20:08:15.0030670Z    |                        not allowed in type signatures
2020-03-02T20:08:15.0031088Z    |                        help: replace with the correct return type: `()`
2020-03-02T20:08:15.0031366Z 
2020-03-02T20:08:15.0031366Z 
2020-03-02T20:08:15.0031653Z error[E0121]: the type placeholder `_` is not allowed within types on item signatures
2020-03-02T20:08:15.0032297Z   --> /checkout/src/test/ui/typeck/typeck_type_placeholder_item.rs:43:27
2020-03-02T20:08:15.0032589Z    |
2020-03-02T20:08:15.0032808Z LL |     fn test10(&self, _x : _) { }
2020-03-02T20:08:15.0033395Z    |
2020-03-02T20:08:15.0033592Z help: use type parameters instead
2020-03-02T20:08:15.0033784Z    |
2020-03-02T20:08:15.0033784Z    |
2020-03-02T20:08:15.0034021Z LL |     fn test10<T>(&self, _x : T) { }
2020-03-02T20:08:15.0034467Z 
2020-03-02T20:08:15.0034758Z error[E0121]: the type placeholder `_` is not allowed within types on item signatures
2020-03-02T20:08:15.0035421Z   --> /checkout/src/test/ui/typeck/typeck_type_placeholder_item.rs:140:31
2020-03-02T20:08:15.0035702Z    |
2020-03-02T20:08:15.0035702Z    |
2020-03-02T20:08:15.0035924Z LL |     fn method_test1(&self, x: _);
2020-03-02T20:08:15.0036524Z    |
2020-03-02T20:08:15.0036717Z help: use type parameters instead
2020-03-02T20:08:15.0036923Z    |
2020-03-02T20:08:15.0036923Z    |
2020-03-02T20:08:15.0037151Z LL |     fn method_test1<T>(&self, x: T);
2020-03-02T20:08:15.0037617Z 
2020-03-02T20:08:15.0037974Z error[E0121]: the type placeholder `_` is not allowed within types on item signatures
2020-03-02T20:08:15.0038637Z   --> /checkout/src/test/ui/typeck/typeck_type_placeholder_item.rs:142:31
2020-03-02T20:08:15.0038920Z    |
2020-03-02T20:08:15.0038920Z    |
2020-03-02T20:08:15.0039345Z LL |     fn method_test2(&self, x: _) -> _;
2020-03-02T20:08:15.0040083Z    |                               |
2020-03-02T20:08:15.0040408Z    |                               not allowed in type signatures
2020-03-02T20:08:15.0040660Z    |
2020-03-02T20:08:15.0040853Z help: use type parameters instead
2020-03-02T20:08:15.0040853Z help: use type parameters instead
2020-03-02T20:08:15.0041057Z    |
2020-03-02T20:08:15.0041485Z LL |     fn method_test2<T>(&self, x: T) -> T;
2020-03-02T20:08:15.0041998Z 
2020-03-02T20:08:15.0042285Z error[E0121]: the type placeholder `_` is not allowed within types on item signatures
2020-03-02T20:08:15.0042936Z   --> /checkout/src/test/ui/typeck/typeck_type_placeholder_item.rs:144:31
2020-03-02T20:08:15.0043219Z    |
---
2020-03-02T20:08:15.0045426Z 
2020-03-02T20:08:15.0045716Z error[E0121]: the type placeholder `_` is not allowed within types on item signatures
2020-03-02T20:08:15.0046375Z   --> /checkout/src/test/ui/typeck/typeck_type_placeholder_item.rs:146:26
2020-03-02T20:08:15.0046657Z    |
2020-03-02T20:08:15.0046864Z LL |     fn assoc_fn_test1(x: _);
2020-03-02T20:08:15.0047441Z    |
2020-03-02T20:08:15.0047636Z help: use type parameters instead
2020-03-02T20:08:15.0047828Z    |
2020-03-02T20:08:15.0047828Z    |
2020-03-02T20:08:15.0048056Z LL |     fn assoc_fn_test1<T>(x: T);
2020-03-02T20:08:15.0048490Z 
2020-03-02T20:08:15.0048793Z error[E0121]: the type placeholder `_` is not allowed within types on item signatures
2020-03-02T20:08:15.0049451Z   --> /checkout/src/test/ui/typeck/typeck_type_placeholder_item.rs:148:26
2020-03-02T20:08:15.0049734Z    |
2020-03-02T20:08:15.0049734Z    |
2020-03-02T20:08:15.0050137Z LL |     fn assoc_fn_test2(x: _) -> _;
2020-03-02T20:08:15.0050782Z    |                          |
2020-03-02T20:08:15.0051076Z    |                          not allowed in type signatures
2020-03-02T20:08:15.0051332Z    |
2020-03-02T20:08:15.0051524Z help: use type parameters instead
2020-03-02T20:08:15.0051524Z help: use type parameters instead
2020-03-02T20:08:15.0051715Z    |
2020-03-02T20:08:15.0052132Z LL |     fn assoc_fn_test2<T>(x: T) -> T;
2020-03-02T20:08:15.0052610Z 
2020-03-02T20:08:15.0052915Z error[E0121]: the type placeholder `_` is not allowed within types on item signatures
2020-03-02T20:08:15.0053561Z   --> /checkout/src/test/ui/typeck/typeck_type_placeholder_item.rs:150:28
2020-03-02T20:08:15.0053850Z    |
---
2020-03-02T20:08:15.0056115Z 
2020-03-02T20:08:15.0056402Z error[E0121]: the type placeholder `_` is not allowed within types on item signatures
2020-03-02T20:08:15.0057046Z   --> /checkout/src/test/ui/typeck/typeck_type_placeholder_item.rs:58:24
2020-03-02T20:08:15.0057342Z    |
2020-03-02T20:08:15.0057786Z LL |     fn clone(&self) -> _ { Test9 }
2020-03-02T20:08:15.0058291Z    |                        |
2020-03-02T20:08:15.0058580Z    |                        not allowed in type signatures
2020-03-02T20:08:15.0059046Z    |                        help: replace with the correct return type: `Test9`
2020-03-02T20:08:15.0059329Z 
2020-03-02T20:08:15.0059329Z 
2020-03-02T20:08:15.0059630Z error[E0121]: the type placeholder `_` is not allowed within types on item signatures
2020-03-02T20:08:15.0060287Z   --> /checkout/src/test/ui/typeck/typeck_type_placeholder_item.rs:61:37
2020-03-02T20:08:15.0060568Z    |
2020-03-02T20:08:15.0060851Z LL |     fn clone_from(&mut self, other: _) { *self = Test9; }
2020-03-02T20:08:15.0061503Z    |
2020-03-02T20:08:15.0061711Z help: use type parameters instead
2020-03-02T20:08:15.0061901Z    |
2020-03-02T20:08:15.0061901Z    |
2020-03-02T20:08:15.0062177Z LL |     fn clone_from<T>(&mut self, other: T) { *self = Test9; }
2020-03-02T20:08:15.0062730Z 
2020-03-02T20:08:15.0063020Z error[E0121]: the type placeholder `_` is not allowed within types on item signatures
2020-03-02T20:08:15.0063673Z   --> /checkout/src/test/ui/typeck/typeck_type_placeholder_item.rs:107:31
2020-03-02T20:08:15.0063971Z    |
2020-03-02T20:08:15.0063971Z    |
2020-03-02T20:08:15.0064363Z LL |         fn fn_test9(&self) -> _ { () }
2020-03-02T20:08:15.0064906Z    |                               |
2020-03-02T20:08:15.0065214Z    |                               not allowed in type signatures
2020-03-02T20:08:15.0065645Z    |                               help: replace with the correct return type: `()`
2020-03-02T20:08:15.0065958Z 
2020-03-02T20:08:15.0065958Z 
2020-03-02T20:08:15.0066244Z error[E0121]: the type placeholder `_` is not allowed within types on item signatures
2020-03-02T20:08:15.0066897Z   --> /checkout/src/test/ui/typeck/typeck_type_placeholder_item.rs:110:34
2020-03-02T20:08:15.0067194Z    |
2020-03-02T20:08:15.0067428Z LL |         fn fn_test10(&self, _x : _) { }
2020-03-02T20:08:15.0068054Z    |
2020-03-02T20:08:15.0068247Z help: use type parameters instead
2020-03-02T20:08:15.0068437Z    |
2020-03-02T20:08:15.0068437Z    |
2020-03-02T20:08:15.0068679Z LL |         fn fn_test10<T>(&self, _x : T) { }
2020-03-02T20:08:15.0069185Z 
2020-03-02T20:08:15.0069471Z error[E0121]: the type placeholder `_` is not allowed within types on item signatures
2020-03-02T20:08:15.0070135Z   --> /checkout/src/test/ui/typeck/typeck_type_placeholder_item.rs:115:28
2020-03-02T20:08:15.0070419Z    |
2020-03-02T20:08:15.0070419Z    |
2020-03-02T20:08:15.0070813Z LL |         fn clone(&self) -> _ { FnTest9 }
2020-03-02T20:08:15.0071343Z    |                            |
2020-03-02T20:08:15.0071645Z    |                            not allowed in type signatures
2020-03-02T20:08:15.0072106Z    |                            help: replace with the correct return type: `main::FnTest9`
2020-03-02T20:08:15.0072415Z 
2020-03-02T20:08:15.0072415Z 
2020-03-02T20:08:15.0072707Z error[E0121]: the type placeholder `_` is not allowed within types on item signatures
2020-03-02T20:08:15.0073360Z   --> /checkout/src/test/ui/typeck/typeck_type_placeholder_item.rs:118:41
2020-03-02T20:08:15.0073658Z    |
2020-03-02T20:08:15.0073935Z LL |         fn clone_from(&mut self, other: _) { *self = FnTest9; }
2020-03-02T20:08:15.0074631Z    |
2020-03-02T20:08:15.0074824Z help: use type parameters instead
2020-03-02T20:08:15.0075015Z    |
2020-03-02T20:08:15.0075015Z    |
2020-03-02T20:08:15.0075315Z LL |         fn clone_from<T>(&mut self, other: T) { *self = FnTest9; }
2020-03-02T20:08:15.0075932Z 
2020-03-02T20:08:15.0076238Z error[E0121]: the type placeholder `_` is not allowed within types on item signatures
2020-03-02T20:08:15.0076895Z   --> /checkout/src/test/ui/typeck/typeck_type_placeholder_item.rs:12:15
2020-03-02T20:08:15.0077232Z    |
2020-03-02T20:08:15.0077232Z    |
2020-03-02T20:08:15.0077441Z LL | static TEST3: _ = "test";
2020-03-02T20:08:15.0077870Z    |               |
2020-03-02T20:08:15.0078124Z    |               not allowed in type signatures
2020-03-02T20:08:15.0078737Z    |               help: replace `_` with the correct type: `&'static str`
2020-03-02T20:08:15.0079010Z 
---
2020-03-02T20:08:15.0084647Z   --> /checkout/src/test/ui/typeck/typeck_type_placeholder_item.rs:66:8
2020-03-02T20:08:15.0084939Z    |
2020-03-02T20:08:15.0085105Z LL |     a: _,
2020-03-02T20:08:15.0085345Z    |        ^ not allowed in type signatures
2020-03-02T20:08:15.0085723Z LL |     //~^ ERROR the type placeholder `_` is not allowed within types on item signatures
2020-03-02T20:08:15.0086068Z LL |     b: (_, _),
2020-03-02T20:08:15.0086565Z    |         |
2020-03-02T20:08:15.0086810Z    |         not allowed in type signatures
2020-03-02T20:08:15.0087019Z    |
2020-03-02T20:08:15.0087212Z help: use type parameters instead
2020-03-02T20:08:15.0087212Z help: use type parameters instead
2020-03-02T20:08:15.0087417Z    |
2020-03-02T20:08:15.0087590Z LL | struct Test10<T> {
2020-03-02T20:08:15.0087785Z LL |     a: T,
2020-03-02T20:08:15.0088129Z LL |     //~^ ERROR the type placeholder `_` is not allowed within types on item signatures
2020-03-02T20:08:15.0088458Z LL |     b: (T, T),
2020-03-02T20:08:15.0088740Z 
2020-03-02T20:08:15.0088949Z error: missing type for `static` item
2020-03-02T20:08:15.0089506Z   --> /checkout/src/test/ui/typeck/typeck_type_placeholder_item.rs:72:12
2020-03-02T20:08:15.0089791Z    |
2020-03-02T20:08:15.0089791Z    |
2020-03-02T20:08:15.0089980Z LL |     static A = 42;
2020-03-02T20:08:15.0090292Z    |            ^ help: provide a type for the item: `A: i32`
2020-03-02T20:08:15.0090538Z 
2020-03-02T20:08:15.0090840Z error[E0121]: the type placeholder `_` is not allowed within types on item signatures
2020-03-02T20:08:15.0091492Z   --> /checkout/src/test/ui/typeck/typeck_type_placeholder_item.rs:74:15
2020-03-02T20:08:15.0091770Z    |
2020-03-02T20:08:15.0091960Z LL |     static B: _ = 42;
2020-03-02T20:08:15.0092393Z    |               |
2020-03-02T20:08:15.0092644Z    |               not allowed in type signatures
2020-03-02T20:08:15.0093024Z    |               help: replace `_` with the correct type: `i32`
2020-03-02T20:08:15.0093277Z 
---
2020-03-02T20:08:15.0095466Z 
2020-03-02T20:08:15.0095756Z error[E0121]: the type placeholder `_` is not allowed within types on item signatures
2020-03-02T20:08:15.0096482Z   --> /checkout/src/test/ui/typeck/typeck_type_placeholder_item.rs:85:22
2020-03-02T20:08:15.0096777Z    |
2020-03-02T20:08:15.0096988Z LL |     static FN_TEST3: _ = "test";
2020-03-02T20:08:15.0097482Z    |                      |
2020-03-02T20:08:15.0097755Z    |                      not allowed in type signatures
2020-03-02T20:08:15.0098381Z    |                      help: replace `_` with the correct type: `&'static str`
2020-03-02T20:08:15.0098682Z 
2020-03-02T20:08:15.0098682Z 
2020-03-02T20:08:15.0098967Z error[E0121]: the type placeholder `_` is not allowed within types on item signatures
2020-03-02T20:08:15.0099614Z   --> /checkout/src/test/ui/typeck/typeck_type_placeholder_item.rs:88:22
2020-03-02T20:08:15.0099909Z    |
2020-03-02T20:08:15.0100119Z LL |     static FN_TEST4: _ = 145;
2020-03-02T20:08:15.0100593Z    |                      |
2020-03-02T20:08:15.0100889Z    |                      not allowed in type signatures
2020-03-02T20:08:15.0101279Z    |                      help: replace `_` with the correct type: `i32`
2020-03-02T20:08:15.0101545Z 
2020-03-02T20:08:15.0101545Z 
2020-03-02T20:08:15.0101845Z error[E0121]: the type placeholder `_` is not allowed within types on item signatures
2020-03-02T20:08:15.0102490Z   --> /checkout/src/test/ui/typeck/typeck_type_placeholder_item.rs:91:22
2020-03-02T20:08:15.0102770Z    |
2020-03-02T20:08:15.0103008Z LL |     static FN_TEST5: (_, _) = (1, 2);
2020-03-02T20:08:15.0103558Z 
2020-03-02T20:08:15.0103849Z error[E0121]: the type placeholder `_` is not allowed within types on item signatures
2020-03-02T20:08:15.0104511Z   --> /checkout/src/test/ui/typeck/typeck_type_placeholder_item.rs:123:12
2020-03-02T20:08:15.0104793Z    |
2020-03-02T20:08:15.0104793Z    |
2020-03-02T20:08:15.0104963Z LL |         a: _,
2020-03-02T20:08:15.0105235Z    |            ^ not allowed in type signatures
2020-03-02T20:08:15.0105634Z LL |         //~^ ERROR the type placeholder `_` is not allowed within types on item signatures
2020-03-02T20:08:15.0105986Z LL |         b: (_, _),
2020-03-02T20:08:15.0106527Z    |             |
2020-03-02T20:08:15.0106771Z    |             not allowed in type signatures
2020-03-02T20:08:15.0106999Z    |
2020-03-02T20:08:15.0107194Z help: use type parameters instead
2020-03-02T20:08:15.0107194Z help: use type parameters instead
2020-03-02T20:08:15.0107386Z    |
2020-03-02T20:08:15.0107584Z LL |     struct FnTest10<T> {
2020-03-02T20:08:15.0107801Z LL |         a: T,
2020-03-02T20:08:15.0108146Z LL |         //~^ ERROR the type placeholder `_` is not allowed within types on item signatures
2020-03-02T20:08:15.0108508Z LL |         b: (T, T),
2020-03-02T20:08:15.0108797Z 
2020-03-02T20:08:15.0109085Z error[E0121]: the type placeholder `_` is not allowed within types on item signatures
2020-03-02T20:08:15.0109757Z   --> /checkout/src/test/ui/typeck/typeck_type_placeholder_item.rs:154:21
2020-03-02T20:08:15.0110040Z    |
2020-03-02T20:08:15.0110040Z    |
2020-03-02T20:08:15.0110222Z LL | struct BadStruct<_>(_);
2020-03-02T20:08:15.0110753Z    |
2020-03-02T20:08:15.0110948Z help: use type parameters instead
2020-03-02T20:08:15.0111153Z    |
2020-03-02T20:08:15.0111153Z    |
2020-03-02T20:08:15.0111335Z LL | struct BadStruct<T>(T);
2020-03-02T20:08:15.0111707Z 
2020-03-02T20:08:15.0112009Z error[E0121]: the type placeholder `_` is not allowed within types on item signatures
2020-03-02T20:08:15.0112731Z   --> /checkout/src/test/ui/typeck/typeck_type_placeholder_item.rs:159:32
2020-03-02T20:08:15.0113018Z    |
2020-03-02T20:08:15.0113018Z    |
2020-03-02T20:08:15.0113238Z LL | impl BadTrait<_> for BadStruct<_> {}
2020-03-02T20:08:15.0113786Z 
2020-03-02T20:08:15.0114134Z error[E0121]: the type placeholder `_` is not allowed within types on item signatures
2020-03-02T20:08:15.0114798Z   --> /checkout/src/test/ui/typeck/typeck_type_placeholder_item.rs:159:15
2020-03-02T20:08:15.0115081Z    |
2020-03-02T20:08:15.0115081Z    |
2020-03-02T20:08:15.0115301Z LL | impl BadTrait<_> for BadStruct<_> {}
2020-03-02T20:08:15.0115795Z 
2020-03-02T20:08:15.0116083Z error[E0121]: the type placeholder `_` is not allowed within types on item signatures
2020-03-02T20:08:15.0116745Z   --> /checkout/src/test/ui/typeck/typeck_type_placeholder_item.rs:159:15
2020-03-02T20:08:15.0117025Z    |
2020-03-02T20:08:15.0117025Z    |
2020-03-02T20:08:15.0117231Z LL | impl BadTrait<_> for BadStruct<_> {}
2020-03-02T20:08:15.0117864Z    |               |
2020-03-02T20:08:15.0118116Z    |               not allowed in type signatures
2020-03-02T20:08:15.0118349Z    |
2020-03-02T20:08:15.0118541Z help: use type parameters instead
2020-03-02T20:08:15.0118541Z help: use type parameters instead
2020-03-02T20:08:15.0118739Z    |
2020-03-02T20:08:15.0118964Z LL | impl<T> BadTrait<T> for BadStruct<T> {}
2020-03-02T20:08:15.0119425Z 
2020-03-02T20:08:15.0119713Z error[E0121]: the type placeholder `_` is not allowed within types on item signatures
2020-03-02T20:08:15.0120376Z   --> /checkout/src/test/ui/typeck/typeck_type_placeholder_item.rs:164:34
2020-03-02T20:08:15.0120954Z    |
2020-03-02T20:08:15.0120954Z    |
2020-03-02T20:08:15.0121371Z LL | fn impl_trait() -> impl BadTrait<_> {
2020-03-02T20:08:15.0121955Z 
2020-03-02T20:08:15.0122246Z error[E0121]: the type placeholder `_` is not allowed within types on item signatures
2020-03-02T20:08:15.0122907Z   --> /checkout/src/test/ui/typeck/typeck_type_placeholder_item.rs:170:25
2020-03-02T20:08:15.0123191Z    |
2020-03-02T20:08:15.0123191Z    |
2020-03-02T20:08:15.0123382Z LL | struct BadStruct1<_, _>(_);
2020-03-02T20:08:15.0123941Z    |
2020-03-02T20:08:15.0124134Z help: use type parameters instead
2020-03-02T20:08:15.0124329Z    |
2020-03-02T20:08:15.0124329Z    |
2020-03-02T20:08:15.0124532Z LL | struct BadStruct1<T, _>(T);
2020-03-02T20:08:15.0124929Z 
2020-03-02T20:08:15.0125232Z error[E0121]: the type placeholder `_` is not allowed within types on item signatures
2020-03-02T20:08:15.0125882Z   --> /checkout/src/test/ui/typeck/typeck_type_placeholder_item.rs:175:25
2020-03-02T20:08:15.0126163Z    |
2020-03-02T20:08:15.0126163Z    |
2020-03-02T20:08:15.0126375Z LL | struct BadStruct2<_, T>(_, T);
2020-03-02T20:08:15.0126928Z    |
2020-03-02T20:08:15.0127121Z help: use type parameters instead
2020-03-02T20:08:15.0127325Z    |
2020-03-02T20:08:15.0127325Z    |
2020-03-02T20:08:15.0127520Z LL | struct BadStruct2<K, T>(K, T);
2020-03-02T20:08:15.0127944Z 
2020-03-02T20:08:15.0128234Z error[E0121]: the type placeholder `_` is not allowed within types on item signatures
2020-03-02T20:08:15.0128920Z   --> /checkout/src/test/ui/typeck/typeck_type_placeholder_item.rs:179:14
2020-03-02T20:08:15.0129217Z    |
2020-03-02T20:08:15.0129217Z    |
2020-03-02T20:08:15.0129389Z LL | type X = Box<_>;
2020-03-02T20:08:15.0129843Z 
2020-03-02T20:08:15.0130143Z error[E0121]: the type placeholder `_` is not allowed within types on item signatures
2020-03-02T20:08:15.0130793Z   --> /checkout/src/test/ui/typeck/typeck_type_placeholder_item.rs:179:14
2020-03-02T20:08:15.0131074Z    |
2020-03-02T20:08:15.0131074Z    |
2020-03-02T20:08:15.0131259Z LL | type X = Box<_>;
2020-03-02T20:08:15.0131788Z 
2020-03-02T20:08:15.0132074Z error[E0121]: the type placeholder `_` is not allowed within types on item signatures
2020-03-02T20:08:15.0132746Z   --> /checkout/src/test/ui/typeck/typeck_type_placeholder_item.rs:164:34
2020-03-02T20:08:15.0133087Z    |
2020-03-02T20:08:15.0133087Z    |
2020-03-02T20:08:15.0133485Z LL | fn impl_trait() -> impl BadTrait<_> {
2020-03-02T20:08:15.0134064Z 
2020-03-02T20:08:15.0134352Z error[E0121]: the type placeholder `_` is not allowed within types on item signatures
2020-03-02T20:08:15.0135010Z   --> /checkout/src/test/ui/typeck/typeck_type_placeholder_item.rs:186:21
2020-03-02T20:08:15.0135401Z    |
2020-03-02T20:08:15.0135401Z    |
2020-03-02T20:08:15.0135588Z LL | type Y = impl Trait<_>;
2020-03-02T20:08:15.0136095Z 
2020-03-02T20:08:15.0136387Z error[E0121]: the type placeholder `_` is not allowed within types on item signatures
2020-03-02T20:08:15.0137050Z   --> /checkout/src/test/ui/typeck/typeck_type_placeholder_item.rs:186:21
2020-03-02T20:08:15.0137346Z    |
2020-03-02T20:08:15.0137346Z    |
2020-03-02T20:08:15.0137532Z LL | type Y = impl Trait<_>;
2020-03-02T20:08:15.0138040Z 
2020-03-02T20:08:15.0138327Z error[E0121]: the type placeholder `_` is not allowed within types on item signatures
2020-03-02T20:08:15.0138975Z   --> /checkout/src/test/ui/typeck/typeck_type_placeholder_item.rs:195:14
2020-03-02T20:08:15.0139270Z    |
---
2020-03-02T20:08:15.0141764Z 
2020-03-02T20:08:15.0142068Z error[E0121]: the type placeholder `_` is not allowed within types on item signatures
2020-03-02T20:08:15.0142729Z   --> /checkout/src/test/ui/typeck/typeck_type_placeholder_item.rs:199:14
2020-03-02T20:08:15.0143009Z    |
2020-03-02T20:08:15.0143210Z LL |     const D: _ = 42;
2020-03-02T20:08:15.0143621Z    |              |
2020-03-02T20:08:15.0143870Z    |              not allowed in type signatures
2020-03-02T20:08:15.0144245Z    |              help: replace `_` with the correct type: `i32`
2020-03-02T20:08:15.0144495Z 
---
2020-03-02T20:08:15.0150080Z 
2020-03-02T20:08:15.0150441Z error[E0121]: the type placeholder `_` is not allowed within types on item signatures
2020-03-02T20:08:15.0151102Z   --> /checkout/src/test/ui/typeck/typeck_type_placeholder_item.rs:211:14
2020-03-02T20:08:15.0151381Z    |
2020-03-02T20:08:15.0151582Z LL |     const D: _ = 42;
2020-03-02T20:08:15.0152047Z    |              |
2020-03-02T20:08:15.0152311Z    |              not allowed in type signatures
2020-03-02T20:08:15.0152670Z    |              help: replace `_` with the correct type: `i32`
2020-03-02T20:08:15.0152923Z 
---
2020-03-02T20:08:15.0155065Z 
2020-03-02T20:08:15.0155534Z ---- [ui] ui/unboxed-closures/unboxed-closure-sugar-region.rs stdout ----
2020-03-02T20:08:15.0155836Z diff of stderr:
2020-03-02T20:08:15.0155967Z 
2020-03-02T20:08:15.0156256Z 4 LL | fn test2(x: &dyn Foo<(isize,),Output=()>, y: &dyn Foo(isize)) {
2020-03-02T20:08:15.0156724Z 5    |                                                   ^^^ expected 1 lifetime argument
2020-03-02T20:08:15.0157392Z - error: aborting due to previous error
2020-03-02T20:08:15.0157768Z + error[E0107]: wrong number of lifetime arguments: expected 1, found 0
2020-03-02T20:08:15.0158346Z +   --> $DIR/unboxed-closure-sugar-region.rs:23:58
2020-03-02T20:08:15.0158591Z +    |
2020-03-02T20:08:15.0158591Z +    |
2020-03-02T20:08:15.0158940Z + LL |     eq::< dyn Foo<(isize,),Output=()>,               dyn Foo(isize)                      >();
2020-03-02T20:08:15.0159439Z +    |                                                          ^^^ expected 1 lifetime argument
2020-03-02T20:08:15.0160218Z - For more information about this error, try `rustc --explain E0107`.
2020-03-02T20:08:15.0160635Z + error[E0107]: wrong number of lifetime arguments: expected 1, found 0
2020-03-02T20:08:15.0161211Z +   --> $DIR/unboxed-closure-sugar-region.rs:27:58
2020-03-02T20:08:15.0161474Z +    |
2020-03-02T20:08:15.0161474Z +    |
2020-03-02T20:08:15.0162041Z + LL |     eq::< dyn Foo<'static, (isize,),Output=()>,      dyn Foo(isize)                      >();
2020-03-02T20:08:15.0162537Z +    |                                                          ^^^ expected 1 lifetime argument
2020-03-02T20:08:15.0163099Z + error[E0621]: explicit lifetime required in the type of `x`
2020-03-02T20:08:15.0163639Z +   --> $DIR/unboxed-closure-sugar-region.rs:33:5
2020-03-02T20:08:15.0163901Z +    |
2020-03-02T20:08:15.0163901Z +    |
2020-03-02T20:08:15.0164200Z + LL | fn test2(x: &dyn Foo<(isize,),Output=()>, y: &dyn Foo(isize)) {
2020-03-02T20:08:15.0165093Z +    |             ---------------------------- help: add explicit lifetime `'static` to the type of `x`: `&dyn Foo<'static, (isize,), Output = ()>`
2020-03-02T20:08:15.0165570Z + ...
2020-03-02T20:08:15.0165759Z + LL |     same_type(x, y)
2020-03-02T20:08:15.0166203Z +    |     ^^^^^^^^^ lifetime `'static` required
2020-03-02T20:08:15.0166649Z + error: aborting due to 4 previous errors
2020-03-02T20:08:15.0166855Z + 
2020-03-02T20:08:15.0167118Z + Some errors have detailed explanations: E0107, E0621.
2020-03-02T20:08:15.0167693Z + For more information about an error, try `rustc --explain E0107`.
2020-03-02T20:08:15.0167693Z + For more information about an error, try `rustc --explain E0107`.
2020-03-02T20:08:15.0167946Z 10 
2020-03-02T20:08:15.0168057Z 
2020-03-02T20:08:15.0168175Z 
2020-03-02T20:08:15.0168395Z The actual stderr differed from the expected stderr.
2020-03-02T20:08:15.0169189Z Actual stderr saved to /checkout/obj/build/x86_64-unknown-linux-gnu/test/ui/unboxed-closures/unboxed-closure-sugar-region/unboxed-closure-sugar-region.stderr
2020-03-02T20:08:15.0169935Z To update references, rerun the tests and pass the `--bless` flag
2020-03-02T20:08:15.0170675Z To only update this specific test, also pass `--test-args unboxed-closures/unboxed-closure-sugar-region.rs`
2020-03-02T20:08:15.0171190Z error: 1 errors occurred comparing output.
2020-03-02T20:08:15.0171454Z status: exit code: 1
2020-03-02T20:08:15.0171454Z status: exit code: 1
2020-03-02T20:08:15.0173753Z command: "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2/bin/rustc" "/checkout/src/test/ui/unboxed-closures/unboxed-closure-sugar-region.rs" "-Zthreads=1" "--target=x86_64-unknown-linux-gnu" "--error-format" "json" "-Zui-testing" "-Zdeduplicate-diagnostics=no" "--emit" "metadata" "-C" "prefer-dynamic" "--out-dir" "/checkout/obj/build/x86_64-unknown-linux-gnu/test/ui/unboxed-closures/unboxed-closure-sugar-region" "-Crpath" "-O" "-Cdebuginfo=0" "-Zunstable-options" "-Lnative=/checkout/obj/build/x86_64-unknown-linux-gnu/native/rust-test-helpers" "-A" "unused" "-L" "/checkout/obj/build/x86_64-unknown-linux-gnu/test/ui/unboxed-closures/unboxed-closure-sugar-region/auxiliary"
2020-03-02T20:08:15.0175671Z ------------------------------------------
2020-03-02T20:08:15.0175873Z 
2020-03-02T20:08:15.0176256Z ------------------------------------------
2020-03-02T20:08:15.0176470Z stderr:
2020-03-02T20:08:15.0176470Z stderr:
2020-03-02T20:08:15.0176859Z ------------------------------------------
2020-03-02T20:08:15.0177238Z error[E0107]: wrong number of lifetime arguments: expected 1, found 0
2020-03-02T20:08:15.0177901Z   --> /checkout/src/test/ui/unboxed-closures/unboxed-closure-sugar-region.rs:30:51
2020-03-02T20:08:15.0178225Z    |
2020-03-02T20:08:15.0178511Z LL | fn test2(x: &dyn Foo<(isize,),Output=()>, y: &dyn Foo(isize)) {
2020-03-02T20:08:15.0178942Z    |                                                   ^^^ expected 1 lifetime argument
2020-03-02T20:08:15.0179494Z error[E0107]: wrong number of lifetime arguments: expected 1, found 0
2020-03-02T20:08:15.0180153Z   --> /checkout/src/test/ui/unboxed-closures/unboxed-closure-sugar-region.rs:23:58
2020-03-02T20:08:15.0180452Z    |
2020-03-02T20:08:15.0180452Z    |
2020-03-02T20:08:15.0180796Z LL |     eq::< dyn Foo<(isize,),Output=()>,               dyn Foo(isize)                      >();
2020-03-02T20:08:15.0181284Z    |                                                          ^^^ expected 1 lifetime argument
2020-03-02T20:08:15.0181850Z error[E0107]: wrong number of lifetime arguments: expected 1, found 0
2020-03-02T20:08:15.0182513Z   --> /checkout/src/test/ui/unboxed-closures/unboxed-closure-sugar-region.rs:27:58
2020-03-02T20:08:15.0182818Z    |
2020-03-02T20:08:15.0182818Z    |
2020-03-02T20:08:15.0183382Z LL |     eq::< dyn Foo<'static, (isize,),Output=()>,      dyn Foo(isize)                      >();
2020-03-02T20:08:15.0183869Z    |                                                          ^^^ expected 1 lifetime argument
2020-03-02T20:08:15.0184397Z error[E0621]: explicit lifetime required in the type of `x`
2020-03-02T20:08:15.0185018Z   --> /checkout/src/test/ui/unboxed-closures/unboxed-closure-sugar-region.rs:33:5
2020-03-02T20:08:15.0185314Z    |
2020-03-02T20:08:15.0185314Z    |
2020-03-02T20:08:15.0185619Z LL | fn test2(x: &dyn Foo<(isize,),Output=()>, y: &dyn Foo(isize)) {
2020-03-02T20:08:15.0186495Z    |             ---------------------------- help: add explicit lifetime `'static` to the type of `x`: `&dyn Foo<'static, (isize,), Output = ()>`
2020-03-02T20:08:15.0186952Z ...
2020-03-02T20:08:15.0187142Z LL |     same_type(x, y)
2020-03-02T20:08:15.0187577Z    |     ^^^^^^^^^ lifetime `'static` required
2020-03-02T20:08:15.0187980Z error: aborting due to 4 previous errors
2020-03-02T20:08:15.0188161Z 
2020-03-02T20:08:15.0188403Z Some errors have detailed explanations: E0107, E0621.
2020-03-02T20:08:15.0188969Z For more information about an error, try `rustc --explain E0107`.
2020-03-02T20:08:15.0188969Z For more information about an error, try `rustc --explain E0107`.
2020-03-02T20:08:15.0189209Z 
2020-03-02T20:08:15.0189589Z ------------------------------------------
2020-03-02T20:08:15.0189772Z 
2020-03-02T20:08:15.0189874Z 
2020-03-02T20:08:15.0190496Z ---- [ui] ui/unboxed-closures/unboxed-closure-sugar-wrong-number-number-type-parameters.rs stdout ----
2020-03-02T20:08:15.0190840Z diff of stderr:
2020-03-02T20:08:15.0190973Z 
2020-03-02T20:08:15.0191160Z 10 LL | fn foo(_: dyn Zero())
2020-03-02T20:08:15.0191479Z 11    |               ^^^^^^ associated type `Output` not found
2020-03-02T20:08:15.0192178Z - error: aborting due to 2 previous errors
2020-03-02T20:08:15.0192178Z - error: aborting due to 2 previous errors
2020-03-02T20:08:15.0192836Z + error[E0277]: the size for values of type `(dyn Zero + 'static)` cannot be known at compilation time
2020-03-02T20:08:15.0193545Z +   --> $DIR/unboxed-closure-sugar-wrong-number-number-type-parameters.rs:5:8
2020-03-02T20:08:15.0193850Z +    |
2020-03-02T20:08:15.0194060Z + LL | fn foo(_: dyn Zero())
2020-03-02T20:08:15.0194541Z +    |        ^ doesn't have a size known at compile-time
2020-03-02T20:08:15.0194783Z +    |
2020-03-02T20:08:15.0195338Z +    = help: the trait `std::marker::Sized` is not implemented for `(dyn Zero + 'static)`
2020-03-02T20:08:15.0196746Z +    = note: all function arguments must have a statically known size
2020-03-02T20:08:15.0197137Z +    = help: unsized locals are gated as an unstable feature
2020-03-02T20:08:15.0197389Z 14 
2020-03-02T20:08:15.0197833Z - Some errors have detailed explanations: E0107, E0220.
---
2020-03-02T20:08:15.0199605Z 
2020-03-02T20:08:15.0199703Z 
2020-03-02T20:08:15.0199925Z The actual stderr differed from the expected stderr.
2020-03-02T20:08:15.0200877Z Actual stderr saved to /checkout/obj/build/x86_64-unknown-linux-gnu/test/ui/unboxed-closures/unboxed-closure-sugar-wrong-number-number-type-parameters/unboxed-closure-sugar-wrong-number-number-type-parameters.stderr
2020-03-02T20:08:15.0201712Z To update references, rerun the tests and pass the `--bless` flag
2020-03-02T20:08:15.0202492Z To only update this specific test, also pass `--test-args unboxed-closures/unboxed-closure-sugar-wrong-number-number-type-parameters.rs`
2020-03-02T20:08:15.0203060Z error: 1 errors occurred comparing output.
2020-03-02T20:08:15.0203328Z status: exit code: 1
2020-03-02T20:08:15.0203328Z status: exit code: 1
2020-03-02T20:08:15.0205802Z command: "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2/bin/rustc" "/checkout/src/test/ui/unboxed-closures/unboxed-closure-sugar-wrong-number-number-type-parameters.rs" "-Zthreads=1" "--target=x86_64-unknown-linux-gnu" "--error-format" "json" "-Zui-testing" "-Zdeduplicate-diagnostics=no" "--emit" "metadata" "-C" "prefer-dynamic" "--out-dir" "/checkout/obj/build/x86_64-unknown-linux-gnu/test/ui/unboxed-closures/unboxed-closure-sugar-wrong-number-number-type-parameters" "-Crpath" "-O" "-Cdebuginfo=0" "-Zunstable-options" "-Lnative=/checkout/obj/build/x86_64-unknown-linux-gnu/native/rust-test-helpers" "-A" "unused" "-L" "/checkout/obj/build/x86_64-unknown-linux-gnu/test/ui/unboxed-closures/unboxed-closure-sugar-wrong-number-number-type-parameters/auxiliary"
2020-03-02T20:08:15.0207739Z ------------------------------------------
2020-03-02T20:08:15.0207937Z 
2020-03-02T20:08:15.0208316Z ------------------------------------------
2020-03-02T20:08:15.0208529Z stderr:
2020-03-02T20:08:15.0208529Z stderr:
2020-03-02T20:08:15.0208930Z ------------------------------------------
2020-03-02T20:08:15.0209280Z error[E0107]: wrong number of type arguments: expected 0, found 1
2020-03-02T20:08:15.0210026Z   --> /checkout/src/test/ui/unboxed-closures/unboxed-closure-sugar-wrong-number-number-type-parameters.rs:5:15
2020-03-02T20:08:15.0210406Z    |
2020-03-02T20:08:15.0210595Z LL | fn foo(_: dyn Zero())
2020-03-02T20:08:15.0211076Z 
2020-03-02T20:08:15.0211076Z 
2020-03-02T20:08:15.0211374Z error[E0220]: associated type `Output` not found for `Zero`
2020-03-02T20:08:15.0212488Z    |
2020-03-02T20:08:15.0212488Z    |
2020-03-02T20:08:15.0212738Z LL | fn foo(_: dyn Zero())
2020-03-02T20:08:15.0213031Z    |               ^^^^^^ associated type `Output` not found
2020-03-02T20:08:15.0213246Z 
2020-03-02T20:08:15.0213824Z error[E0277]: the size for values of type `(dyn Zero + 'static)` cannot be known at compilation time
2020-03-02T20:08:15.0214979Z    |
2020-03-02T20:08:15.0214979Z    |
2020-03-02T20:08:15.0215272Z LL | fn foo(_: dyn Zero())
2020-03-02T20:08:15.0215757Z    |        ^ doesn't have a size known at compile-time
2020-03-02T20:08:15.0215990Z    |
2020-03-02T20:08:15.0216538Z    = help: the trait `std::marker::Sized` is not implemented for `(dyn Zero + 'static)`
2020-03-02T20:08:15.0217922Z    = note: all function arguments must have a statically known size
2020-03-02T20:08:15.0218308Z    = help: unsized locals are gated as an unstable feature
2020-03-02T20:08:15.0218526Z 
2020-03-02T20:08:15.0218727Z error: aborting due to 3 previous errors
---
2020-03-02T20:08:15.0220650Z 
2020-03-02T20:08:15.0221120Z ---- [ui] ui/underscore-lifetime/underscore-lifetime-binders.rs stdout ----
2020-03-02T20:08:15.0221425Z diff of stderr:
2020-03-02T20:08:15.0221557Z 
2020-03-02T20:08:15.0222008Z 36 LL | fn foo2<'a>(_: &'a u8, y: &'a u8) -> &'a u8 { y }
2020-03-02T20:08:15.0222580Z 38 
2020-03-02T20:08:15.0222970Z - error: aborting due to 5 previous errors
2020-03-02T20:08:15.0222970Z - error: aborting due to 5 previous errors
2020-03-02T20:08:15.0223616Z + error[E0491]: in type `&'static &'a u8`, reference has a longer lifetime than the data it references
2020-03-02T20:08:15.0224431Z +   --> $DIR/underscore-lifetime-binders.rs:2:16
2020-03-02T20:08:15.0224909Z +    |
2020-03-02T20:08:15.0225448Z + LL | struct Baz<'a>(&'_ &'a u8);
2020-03-02T20:08:15.0225919Z +    |
2020-03-02T20:08:15.0226168Z +    = note: the pointer is valid for the static lifetime
2020-03-02T20:08:15.0226900Z + note: but the referenced data is only valid for the lifetime `'a` as defined on the struct at 2:12
2020-03-02T20:08:15.0227584Z +   --> $DIR/underscore-lifetime-binders.rs:2:12
2020-03-02T20:08:15.0227584Z +   --> $DIR/underscore-lifetime-binders.rs:2:12
2020-03-02T20:08:15.0227825Z +    |
2020-03-02T20:08:15.0228218Z + LL | struct Baz<'a>(&'_ &'a u8);
2020-03-02T20:08:15.0228613Z 40 
2020-03-02T20:08:15.0229069Z - Some errors have detailed explanations: E0106, E0637.
2020-03-02T20:08:15.0229398Z + error: aborting due to 6 previous errors
2020-03-02T20:08:15.0229609Z + 
2020-03-02T20:08:15.0229609Z + 
2020-03-02T20:08:15.0229872Z + Some errors have detailed explanations: E0106, E0491, E0637.
2020-03-02T20:08:15.0230480Z 42 For more information about an error, try `rustc --explain E0106`.
2020-03-02T20:08:15.0230733Z 43 
2020-03-02T20:08:15.0230842Z 
2020-03-02T20:08:15.0230944Z 
2020-03-02T20:08:15.0231176Z The actual stderr differed from the expected stderr.
2020-03-02T20:08:15.0231973Z Actual stderr saved to /checkout/obj/build/x86_64-unknown-linux-gnu/test/ui/underscore-lifetime/underscore-lifetime-binders/underscore-lifetime-binders.stderr
2020-03-02T20:08:15.0232726Z To update references, rerun the tests and pass the `--bless` flag
2020-03-02T20:08:15.0233498Z To only update this specific test, also pass `--test-args underscore-lifetime/underscore-lifetime-binders.rs`
2020-03-02T20:08:15.0234026Z error: 1 errors occurred comparing output.
2020-03-02T20:08:15.0234275Z status: exit code: 1
2020-03-02T20:08:15.0234275Z status: exit code: 1
2020-03-02T20:08:15.0236504Z command: "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2/bin/rustc" "/checkout/src/test/ui/underscore-lifetime/underscore-lifetime-binders.rs" "-Zthreads=1" "--target=x86_64-unknown-linux-gnu" "--error-format" "json" "-Zui-testing" "-Zdeduplicate-diagnostics=no" "--emit" "metadata" "-C" "prefer-dynamic" "--out-dir" "/checkout/obj/build/x86_64-unknown-linux-gnu/test/ui/underscore-lifetime/underscore-lifetime-binders" "-Crpath" "-O" "-Cdebuginfo=0" "-Zunstable-options" "-Lnative=/checkout/obj/build/x86_64-unknown-linux-gnu/native/rust-test-helpers" "-A" "unused" "-L" "/checkout/obj/build/x86_64-unknown-linux-gnu/test/ui/underscore-lifetime/underscore-lifetime-binders/auxiliary"
2020-03-02T20:08:15.0238413Z ------------------------------------------
2020-03-02T20:08:15.0238618Z 
2020-03-02T20:08:15.0238998Z ------------------------------------------
2020-03-02T20:08:15.0239212Z stderr:
---
2020-03-02T20:08:15.0242069Z 
2020-03-02T20:08:15.0242459Z error[E0637]: `'_` cannot be used here
2020-03-02T20:08:15.0243056Z   --> /checkout/src/test/ui/underscore-lifetime/underscore-lifetime-binders.rs:10:25
2020-03-02T20:08:15.0243357Z    |
2020-03-02T20:08:15.0243846Z LL | fn meh() -> Box<dyn for<'_> Meh<'_>> //~ ERROR cannot be used here
2020-03-02T20:08:15.0244433Z    |                         ^^ `'_` is a reserved lifetime name
2020-03-02T20:08:15.0244875Z error[E0106]: missing lifetime specifier
2020-03-02T20:08:15.0245469Z   --> /checkout/src/test/ui/underscore-lifetime/underscore-lifetime-binders.rs:2:17
2020-03-02T20:08:15.0245771Z    |
2020-03-02T20:08:15.0245771Z    |
2020-03-02T20:08:15.0246257Z LL | struct Baz<'a>(&'_ &'a u8); //~ ERROR missing lifetime specifier
2020-03-02T20:08:15.0246873Z    |                 ^^ help: consider using the named lifetime: `'a`
2020-03-02T20:08:15.0247342Z error[E0106]: missing lifetime specifier
2020-03-02T20:08:15.0247958Z   --> /checkout/src/test/ui/underscore-lifetime/underscore-lifetime-binders.rs:10:33
2020-03-02T20:08:15.0248261Z    |
2020-03-02T20:08:15.0248261Z    |
2020-03-02T20:08:15.0248729Z LL | fn meh() -> Box<dyn for<'_> Meh<'_>> //~ ERROR cannot be used here
2020-03-02T20:08:15.0249442Z    |                                 ^^ help: consider giving it a 'static lifetime: `'static`
2020-03-02T20:08:15.0250384Z    = help: this function's return type contains a borrowed value, but there is no value for it to be borrowed from
2020-03-02T20:08:15.0250722Z 
2020-03-02T20:08:15.0250928Z error[E0106]: missing lifetime specifier
2020-03-02T20:08:15.0251526Z   --> /checkout/src/test/ui/underscore-lifetime/underscore-lifetime-binders.rs:16:35
2020-03-02T20:08:15.0251526Z   --> /checkout/src/test/ui/underscore-lifetime/underscore-lifetime-binders.rs:16:35
2020-03-02T20:08:15.0251846Z    |
2020-03-02T20:08:15.0252380Z LL | fn foo2(_: &'_ u8, y: &'_ u8) -> &'_ u8 { y } //~ ERROR missing lifetime specifier
2020-03-02T20:08:15.0253313Z    |
2020-03-02T20:08:15.0253983Z    = help: this function's return type contains a borrowed value, but the signature does not say whether it is borrowed from argument 1 or `y`
2020-03-02T20:08:15.0254479Z help: consider introducing a named lifetime parameter
2020-03-02T20:08:15.0254723Z    |
2020-03-02T20:08:15.0254723Z    |
2020-03-02T20:08:15.0255461Z LL | fn foo2<'a>(_: &'a u8, y: &'a u8) -> &'a u8 { y } //~ ERROR missing lifetime specifier
2020-03-02T20:08:15.0256175Z 
2020-03-02T20:08:15.0256175Z 
2020-03-02T20:08:15.0256774Z error[E0491]: in type `&'static &'a u8`, reference has a longer lifetime than the data it references
2020-03-02T20:08:15.0257866Z    |
2020-03-02T20:08:15.0257866Z    |
2020-03-02T20:08:15.0258341Z LL | struct Baz<'a>(&'_ &'a u8); //~ ERROR missing lifetime specifier
2020-03-02T20:08:15.0258835Z    |
2020-03-02T20:08:15.0259091Z    = note: the pointer is valid for the static lifetime
2020-03-02T20:08:15.0259784Z note: but the referenced data is only valid for the lifetime `'a` as defined on the struct at 2:12
2020-03-02T20:08:15.0260530Z   --> /checkout/src/test/ui/underscore-lifetime/underscore-lifetime-binders.rs:2:12
2020-03-02T20:08:15.0260530Z   --> /checkout/src/test/ui/underscore-lifetime/underscore-lifetime-binders.rs:2:12
2020-03-02T20:08:15.0260843Z    |
2020-03-02T20:08:15.0261305Z LL | struct Baz<'a>(&'_ &'a u8); //~ ERROR missing lifetime specifier
2020-03-02T20:08:15.0261755Z 
2020-03-02T20:08:15.0261954Z error: aborting due to 6 previous errors
2020-03-02T20:08:15.0262136Z 
2020-03-02T20:08:15.0262390Z Some errors have detailed explanations: E0106, E0491, E0637.
---
2020-03-02T20:08:15.0276137Z 
2020-03-02T20:08:15.0276238Z 
2020-03-02T20:08:15.0276755Z thread 'main' panicked at 'Some tests failed', src/tools/compiletest/src/main.rs:348:22
2020-03-02T20:08:15.0278103Z note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace
2020-03-02T20:08:15.0282272Z command did not execute successfully: "/checkout/obj/build/x86_64-unknown-linux-gnu/stage0-tools-bin/compiletest" "--compile-lib-path" "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2/lib" "--run-lib-path" "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2/lib/rustlib/x86_64-unknown-linux-gnu/lib" "--rustc-path" "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2/bin/rustc" "--src-base" "/checkout/src/test/ui" "--build-base" "/checkout/obj/build/x86_64-unknown-linux-gnu/test/ui" "--stage-id" "stage2-x86_64-unknown-linux-gnu" "--mode" "ui" "--target" "x86_64-unknown-linux-gnu" "--host" "x86_64-unknown-linux-gnu" "--llvm-filecheck" "/usr/lib/llvm-7/bin/FileCheck" "--host-rustcflags" "-Crpath -O -Cdebuginfo=0 -Zunstable-options  -Lnative=/checkout/obj/build/x86_64-unknown-linux-gnu/native/rust-test-helpers" "--target-rustcflags" "-Crpath -O -Cdebuginfo=0 -Zunstable-options  -Lnative=/checkout/obj/build/x86_64-unknown-linux-gnu/native/rust-test-helpers" "--docck-python" "/usr/bin/python2.7" "--lldb-python" "/usr/bin/python2.7" "--gdb" "/usr/bin/gdb" "--quiet" "--llvm-version" "7.0.0\n" "--system-llvm" "--cc" "" "--cxx" "" "--cflags" "" "--llvm-components" "" "--adb-path" "adb" "--adb-test-dir" "/data/tmp/work" "--android-cross-path" "" "--color" "always"
2020-03-02T20:08:15.0285174Z 
2020-03-02T20:08:15.0285281Z 
2020-03-02T20:08:15.0285531Z failed to run: /checkout/obj/build/bootstrap/debug/bootstrap test
2020-03-02T20:08:15.0285898Z Build completed unsuccessfully in 1:03:48
2020-03-02T20:08:15.0285898Z Build completed unsuccessfully in 1:03:48
2020-03-02T20:08:15.0286164Z == clock drift check ==
2020-03-02T20:08:15.0286427Z   local time: Mon Mar  2 20:08:14 UTC 2020
2020-03-02T20:08:15.5846324Z   network time: Mon, 02 Mar 2020 20:08:15 GMT
2020-03-02T20:08:15.5851497Z == end clock drift check ==
2020-03-02T20:08:15.9842542Z 
2020-03-02T20:08:15.9926760Z ##[error]Bash exited with code '1'.
2020-03-02T20:08:15.9940136Z ##[section]Finishing: Run build
2020-03-02T20:08:15.9996946Z ##[section]Starting: Checkout rust-lang/rust@refs/pull/69642/merge to s
2020-03-02T20:08:16.0001895Z Task         : Get sources
2020-03-02T20:08:16.0002259Z Description  : Get sources from a repository. Supports Git, TfsVC, and SVN repositories.
2020-03-02T20:08:16.0002613Z Version      : 1.0.0
2020-03-02T20:08:16.0002850Z Author       : Microsoft
2020-03-02T20:08:16.0002850Z Author       : Microsoft
2020-03-02T20:08:16.0003230Z Help         : [More Information](https://go.microsoft.com/fwlink/?LinkId=798199)
2020-03-02T20:08:16.0003683Z ==============================================================================
2020-03-02T20:08:16.3261452Z Cleaning any cached credential from repository: rust-lang/rust (GitHub)
2020-03-02T20:08:16.3304650Z ##[section]Finishing: Checkout rust-lang/rust@refs/pull/69642/merge to s
2020-03-02T20:08:16.3393955Z Cleaning up task key
2020-03-02T20:08:16.3395264Z Start cleaning up orphan processes.
2020-03-02T20:08:16.3556580Z Terminate orphan process: pid (3893) (python)
2020-03-02T20:08:16.3796085Z ##[section]Finishing: Finalize Job

I'm a bot! I can only do what humans tell me to, so if this was not helpful or you have suggestions for improvements, please ping or otherwise contact @TimNN. (Feature Requests)

@ecstatic-morse
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Not sure what's up with the diagnostics changes. I assume that invoking is_const_fn_raw at this point in compilation changes the order in which other queries are evaluated. It appears that some additional errors are being emitted, however. It's not just a change in their order.

@oli-obk
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oli-obk commented Mar 5, 2020

Some (I haven't checked all of them) of the additional errors look to me like they would happen if the other errors didn't happen before, so maybe this is just a case of some queries being triggered that would have otherwise not gotten triggered at all because of errors happening before them?

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oli-obk commented Mar 5, 2020

You can check this by looking at the query stack with -Ztreat-err-as-bug=42 where 42 is the index of the new error (=0 is the first error)

@JohnTitor JohnTitor added the S-waiting-on-author Status: This is awaiting some action (such as code changes or more information) from the author. label Mar 8, 2020
@bors
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bors commented Mar 15, 2020

☔ The latest upstream changes (presumably #68944) made this pull request unmergeable. Please resolve the merge conflicts.

@joelpalmer joelpalmer added S-waiting-on-author Status: This is awaiting some action (such as code changes or more information) from the author. and removed S-waiting-on-author Status: This is awaiting some action (such as code changes or more information) from the author. labels Mar 30, 2020
@Dylan-DPC-zz
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@ecstatic-morse any updates? also you have a conflict to resolve :)

@joelpalmer joelpalmer added S-waiting-on-author Status: This is awaiting some action (such as code changes or more information) from the author. and removed S-waiting-on-author Status: This is awaiting some action (such as code changes or more information) from the author. labels Apr 9, 2020
@ecstatic-morse
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@oli-obk I preserved the existing query order by calling tcx.hir().get_foreign_abi() instead of tcx.fn_sig().abi() (see the last commit). This should be ready to go.

@ecstatic-morse ecstatic-morse added S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. and removed S-waiting-on-author Status: This is awaiting some action (such as code changes or more information) from the author. labels Apr 10, 2020
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oli-obk commented Apr 17, 2020

@bors r+

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bors commented Apr 17, 2020

📌 Commit eb74096 has been approved by oli-obk

@bors bors added S-waiting-on-bors Status: Waiting on bors to run and complete tests. Bors will change the label on completion. and removed S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. labels Apr 17, 2020
@Dylan-DPC-zz Dylan-DPC-zz mentioned this pull request Apr 17, 2020
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bors added a commit to rust-lang-ci/rust that referenced this pull request Apr 17, 2020
@bors
Auto merge of rust-lang#71255 - Dylan-DPC:rollup-u5yl04z, r=Dylan-DPC
ce93331 
Rollup of 5 pull requests

Successful merges:

 - rust-lang#69642 (Use query to determine whether function needs const checking)
 - rust-lang#71239 (Rename `asm` test directory in favor of `llvm_asm`)
 - rust-lang#71246 (Implement `Clone` for `liballoc::collections::linked_list::Cursor`.)
 - rust-lang#71247 (Remove unnecessary variable intialization)
 - rust-lang#71254 (Minor fix and addition to doc comments)

Failed merges:

r? @ghost
@bors bors merged commit a12d42b into rust-lang:master Apr 17, 2020
@DutchGhost DutchGhost mentioned this pull request May 7, 2020
Closed
@ecstatic-morse ecstatic-morse deleted the issue-69615 branch October 6, 2020 01:42
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ICE: Complex control flow is forbidden in a const context
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@ecstatic-morse @rust-highfive @oli-obk @bors @Dylan-DPC-zz @joelpalmer @JohnTitor