Remove unused nightly features

Cargo.toml

@@ -33,13 +33,6 @@ std = [
 # This is enabled by default and also enabled if the `std` feature is enabled.
 alloc = ["crossbeam-epoch/alloc", "crossbeam-queue/alloc"]
 
-# Enable to use of unstable functionality.
-# This is disabled by default and requires recent nightly compiler.
-#
-# NOTE: This feature is outside of the normal semver guarantees and minor or
-# patch versions of crossbeam may make breaking changes to them at any time.
-nightly = ["crossbeam-epoch/nightly", "crossbeam-utils/nightly", "crossbeam-queue/nightly"]
-
 [dependencies]
 cfg-if = "1"
 

ci/check-features.sh

@@ -3,17 +3,12 @@ set -euxo pipefail
 IFS=$'\n\t'
 cd "$(dirname "$0")"/..
 
-if [[ "$RUST_VERSION" != "nightly"* ]]; then
-    # On MSRV, features other than nightly should work.
-    # * `--feature-powerset` - run for the feature powerset which includes --no-default-features and default features of package
-    # * `--no-dev-deps` - build without dev-dependencies to avoid https://github.com/rust-lang/cargo/issues/4866
-    # * `--exclude benchmarks` - benchmarks doesn't published.
-    # * `--skip nightly` - skip `nightly` feature as requires nightly compilers.
-    cargo hack build --all --feature-powerset --no-dev-deps --exclude benchmarks --skip nightly
-else
-    # On nightly, all feature　combinations should work.
-    cargo hack build --all --feature-powerset --no-dev-deps --exclude benchmarks
+# * `--feature-powerset` - run for the feature powerset which includes --no-default-features and default features of package
+# * `--no-dev-deps` - build without dev-dependencies to avoid https://github.com/rust-lang/cargo/issues/4866
+# * `--exclude benchmarks` - benchmarks doesn't published.
+cargo hack build --all --feature-powerset --no-dev-deps --exclude benchmarks
 
+if [[ "$RUST_VERSION" == "nightly"* ]]; then
     # Build for no_std environment.
     # thumbv7m-none-eabi supports atomic CAS.
     # thumbv6m-none-eabi supports atomic, but not atomic CAS.

ci/san.sh

@@ -35,7 +35,6 @@ RUSTFLAGS="${RUSTFLAGS:-} -Z sanitizer=address --cfg crossbeam_sanitize" \
     cargo run \
     --release \
     --target x86_64-unknown-linux-gnu \
-    --features nightly \
     --example sanitize \
     --manifest-path crossbeam-epoch/Cargo.toml
 

ci/test.sh

@@ -13,12 +13,9 @@ fi
 
 # Otherwise, run tests and checks with the host target.
 cargo check --all --bins --examples --tests --exclude benchmarks
-cargo test --all --exclude benchmarks -- --test-threads=1
+cargo test --all --all-features --exclude benchmarks -- --test-threads=1
 
 if [[ "$RUST_VERSION" == "nightly"* ]]; then
-    # Some crates have `nightly` feature, so run tests with --all-features.
-    cargo test --all --all-features --exclude benchmarks -- --test-threads=1
-
     # Benchmarks are only checked on nightly because depending on unstable features.
     cargo check --all --benches
     cargo check --bins --manifest-path crossbeam-channel/benchmarks/Cargo.toml

crossbeam-epoch/Cargo.toml

@@ -27,15 +27,6 @@ std = ["alloc", "crossbeam-utils/std", "once_cell"]
 # NOTE: Disabling both `std` *and* `alloc` features is not supported yet.
 alloc = []
 
-# These features are no longer used.
-# TODO: remove in the next major version.
-# Enable to use of unstable functionality.
-# This is disabled by default and requires recent nightly compiler.
-#
-# NOTE: This feature is outside of the normal semver guarantees and minor or
-# patch versions of crossbeam may make breaking changes to them at any time.
-nightly = ["crossbeam-utils/nightly"]
-
 # Enable the use of loom for concurrency testing.
 #
 # NOTE: This feature is outside of the normal semver guarantees and minor or

crossbeam-queue/Cargo.toml

@@ -27,15 +27,6 @@ std = ["alloc", "crossbeam-utils/std"]
 # NOTE: Disabling both `std` *and* `alloc` features is not supported yet.
 alloc = []
 
-# These features are no longer used.
-# TODO: remove in the next major version.
-# Enable to use of unstable functionality.
-# This is disabled by default and requires recent nightly compiler.
-#
-# NOTE: This feature is outside of the normal semver guarantees and minor or
-# patch versions of crossbeam may make breaking changes to them at any time.
-nightly = ["crossbeam-utils/nightly"]
-
 [dependencies]
 cfg-if = "1"
 

crossbeam-utils/Cargo.toml

@@ -21,15 +21,6 @@ default = ["std"]
 # This is enabled by default.
 std = ["once_cell"]
 
-# These features are no longer used.
-# TODO: remove in the next major version.
-# Enable to use of unstable functionality.
-# This is disabled by default and requires recent nightly compiler.
-#
-# NOTE: This feature is outside of the normal semver guarantees and minor or
-# patch versions of crossbeam may make breaking changes to them at any time.
-nightly = []
-
 [dependencies]
 cfg-if = "1"
 once_cell = { version = "1", optional = true }