The following actions uses node12 which is deprecated and will be forced to run on node16: actions/checkout@v2, actions-rs/toolchain@v1, actions-rs/cargo@v1. For more info: https://github.blog/changelog/2023-06-13-github-actions-all-actions-will-run-on-node16-instead-of-node12-by-default/

snappy/snappy.cc: In instantiation of ‘std::pair<const unsigned char*, long int> snappy::DecompressBranchless(const uint8_t*, const uint8_t*, ptrdiff_t, T, ptrdiff_t) [with T = char*; uint8_t = unsigned char; ptrdiff_t = long int]’:

snappy/snappy.cc:1600:34: required from ‘bool snappy::InternalUncompressAllTags(snappy::SnappyDecompressor*, Writer*, uint32_t, uint32_t) [with Writer = snappy::SnappyArrayWriter; uint32_t = unsigned int]’

snappy/snappy.cc:1293:37: warning: comparison of integer expressions of different signedness: ‘long unsigned int’ and ‘ptrdiff_t’ {aka ‘long int’} [-Wsign-compare]

| ~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~

snappy/snappy.cc:1405:35: required from ‘void snappy::SnappyDecompressor::DecompressAllTags(Writer*) [with Writer = snappy::SnappyDecompressionValidator]’

snappy/snappy.cc:1587:35: required from ‘bool snappy::InternalUncompress(snappy::Source*, Writer*) [with Writer = snappy::SnappyDecompressionValidator]’

snappy/snappy.cc:1293:37: warning: comparison of integer expressions of different signedness: ‘long unsigned int’ and ‘ptrdiff_t’ {aka ‘long int’} [-Wsign-compare]

zstd/lib/legacy/zstd_v01.c:1866:17: warning: ‘dumps’ may be used uninitialized in this function [-Wmaybe-uninitialized]

| ^~~~~

1897 | nbSeq--;

snappy/snappy.cc: In instantiation of ‘std::pair<const unsigned char*, long int> snappy::DecompressBranchless(const uint8_t*, const uint8_t*, ptrdiff_t, T, ptrdiff_t) [with T = char*; uint8_t = unsigned char; ptrdiff_t = long int]’:

snappy/snappy.cc:1600:34: required from ‘bool snappy::InternalUncompressAllTags(snappy::SnappyDecompressor*, Writer*, uint32_t, uint32_t) [with Writer = snappy::SnappyArrayWriter; uint32_t = unsigned int]’

snappy/snappy.cc:1293:37: warning: comparison of integer expressions of different signedness: ‘long unsigned int’ and ‘ptrdiff_t’ {aka ‘long int’} [-Wsign-compare]

| ~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~

snappy/snappy.cc:1405:35: required from ‘void snappy::SnappyDecompressor::DecompressAllTags(Writer*) [with Writer = snappy::SnappyDecompressionValidator]’

snappy/snappy.cc:1587:35: required from ‘bool snappy::InternalUncompress(snappy::Source*, Writer*) [with Writer = snappy::SnappyDecompressionValidator]’

snappy/snappy.cc:1293:37: warning: comparison of integer expressions of different signedness: ‘long unsigned int’ and ‘ptrdiff_t’ {aka ‘long int’} [-Wsign-compare]

zstd/lib/legacy/zstd_v01.c:1866:17: warning: ‘dumps’ may be used uninitialized in this function [-Wmaybe-uninitialized]

| ^~~~~

1897 | nbSeq--;

struct `EncodedLen` is never constructed

method `value` is never used

function `left_encode` is never used

function `right_encode` is never used

method `reset` is never used

`tiny-keccak` (lib) generated 5 warnings

use of deprecated method `core::sync::atomic::AtomicUsize::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead

use of deprecated method `core::sync::atomic::AtomicUsize::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead

`lazycell` (lib) generated 2 warnings

unused import: `std::mem`

snappy/snappy.cc: In instantiation of ‘std::pair<const unsigned char*, long int> snappy::DecompressBranchless(const uint8_t*, const uint8_t*, ptrdiff_t, T, ptrdiff_t) [with T = char*; uint8_t = unsigned char; ptrdiff_t = long int]’:

snappy/snappy.cc:1600:34: required from ‘bool snappy::InternalUncompressAllTags(snappy::SnappyDecompressor*, Writer*, uint32_t, uint32_t) [with Writer = snappy::SnappyArrayWriter; uint32_t = unsigned int]’

snappy/snappy.cc:1293:37: warning: comparison of integer expressions of different signedness: ‘long unsigned int’ and ‘ptrdiff_t’ {aka ‘long int’} [-Wsign-compare]

| ~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~

snappy/snappy.cc:1405:35: required from ‘void snappy::SnappyDecompressor::DecompressAllTags(Writer*) [with Writer = snappy::SnappyDecompressionValidator]’

snappy/snappy.cc:1587:35: required from ‘bool snappy::InternalUncompress(snappy::Source*, Writer*) [with Writer = snappy::SnappyDecompressionValidator]’

snappy/snappy.cc:1293:37: warning: comparison of integer expressions of different signedness: ‘long unsigned int’ and ‘ptrdiff_t’ {aka ‘long int’} [-Wsign-compare]

zstd/lib/legacy/zstd_v01.c:1866:17: warning: ‘dumps’ may be used uninitialized in this function [-Wmaybe-uninitialized]

| ^~~~~

1897 | nbSeq--;

snappy/snappy.cc: In instantiation of ‘std::pair<const unsigned char*, long int> snappy::DecompressBranchless(const uint8_t*, const uint8_t*, ptrdiff_t, T, ptrdiff_t) [with T = char*; uint8_t = unsigned char; ptrdiff_t = long int]’:

snappy/snappy.cc:1600:34: required from ‘bool snappy::InternalUncompressAllTags(snappy::SnappyDecompressor*, Writer*, uint32_t, uint32_t) [with Writer = snappy::SnappyArrayWriter; uint32_t = unsigned int]’

snappy/snappy.cc:1293:37: warning: comparison of integer expressions of different signedness: ‘long unsigned int’ and ‘ptrdiff_t’ {aka ‘long int’} [-Wsign-compare]

| ~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~

snappy/snappy.cc:1405:35: required from ‘void snappy::SnappyDecompressor::DecompressAllTags(Writer*) [with Writer = snappy::SnappyDecompressionValidator]’

snappy/snappy.cc:1587:35: required from ‘bool snappy::InternalUncompress(snappy::Source*, Writer*) [with Writer = snappy::SnappyDecompressionValidator]’

snappy/snappy.cc:1293:37: warning: comparison of integer expressions of different signedness: ‘long unsigned int’ and ‘ptrdiff_t’ {aka ‘long int’} [-Wsign-compare]

zstd/lib/legacy/zstd_v01.c:1866:17: warning: ‘dumps’ may be used uninitialized in this function [-Wmaybe-uninitialized]