fix: emit warnings as warnings when learning rust target info #15036
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This is a horrible hack, It lets the rustc invocation for learning target info always emit warnings as warnings. But at least it unblocks people who pass `-Awarnings` via RUSTFLAGS. A long-term solution is a better interface between build systems and the compiler. See the discussion on Zulip: https://rust-lang.zulipchat.com/#narrow/channel/131828-t-compiler/topic/Improving.20communication.20interface.20between.20cargo.2Frustc Fixes rust-lang#8010
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Update cargo 18 commits in fd784878cfa843e3e29a6654ecf564c62fae6735..088d496082726091024f1689c124a0c3dccbd775 2025-01-03 20:06:26 +0000 to 2025-01-10 20:10:21 +0000 - docs(reference): Fix PkgIdSpec kind docs (rust-lang/cargo#15049) - feat: Added warning when failing to update index cache (rust-lang/cargo#15014) - docs(ref): Fix the inverted logic about MSRV (rust-lang/cargo#15044) - chore(deps): update msrv (1 version) to v1.84 (rust-lang/cargo#15041) - Remove unnecessary into conversions (rust-lang/cargo#15042) - docs(contrib): Start guidelines for schema design (rust-lang/cargo#15037) - fix: emit warnings as warnings when learning rust target info (rust-lang/cargo#15036) - fix(schemas): Fix the `[lints]` JSON Schema (rust-lang/cargo#15035) - fix(schemas): Fix 'metadata' JSON Schema (rust-lang/cargo#15033) - shorten comment on Ord for SourceKind (rust-lang/cargo#15029) - Make `"C"` explicit in `extern "C"`. (rust-lang/cargo#15034) - simplify SourceID Ord/Eq (rust-lang/cargo#14980) - Setup cargo environment for `cargo rustc --print` (rust-lang/cargo#15026) - Avoid naming variables `str` (rust-lang/cargo#15025) - Bump to 0.87.0; update changelog (rust-lang/cargo#15022) - Update libgit2 to 1.9 (rust-lang/cargo#15018) - Remove condition on RUSTUP_WINDOWS_PATH_ADD_BIN (rust-lang/cargo#15017) - Fix https::self_signed_should_fail for macos (rust-lang/cargo#15016)
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What does this PR try to resolve?
This is a horrible hack,
which lets the rustc invocation for learning target info always emit warnings as warnings.
But at least it unblocks people who pass
-Awarningsvia RUSTFLAGS.A long-term solution is a better interface
between build systems and the compiler.
See the discussion on Zulip:
https://rust-lang.zulipchat.com/#narrow/channel/131828-t-compiler/topic/Improving.20communication.20interface.20between.20cargo.2Frustc
Fixes #8010
How should we test and review this PR?
Ensure
CFG_DISABLE_CROSS_TESTSis not set,and run
cargo t --test testsuite always_emit_warnings_as_warnings_when_learning_target_infoThis also additionally adds
wasm32-unknown-unknowntarget to Cargo's CI.Additional information