fix(compile): Stop on denying warnings without --keep-going #16725
Merged
weihanglo merged 4 commits intorust-lang:masterfrom Mar 10, 2026
Merged
fix(compile): Stop on denying warnings without --keep-going #16725weihanglo merged 4 commits intorust-lang:masterfrom
weihanglo merged 4 commits intorust-lang:masterfrom
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This had been discussed a little bit on [zulip](https://rust-lang.zulipchat.com/#narrow/channel/246057-t-cargo/topic/Environment.20variable.20for.20.5Blints.5D.20table.3F/near/553969201). This then came up in usability feedback from a T-compiler member with rust-lang/rust's x.py having adopted `build.warnings`. The output from all of the other build targets causes the warnings to disappear off the screen which doesn't happen with errors because the build ends immediately. So we're making warnings act more like errors.
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Update cargo submodule 21 commits in 90ed291a50efc459e0c380d7b455777ed41c6799..cbb9bb8bd0fb272b1be0d63a010701ecb3d1d6d3 2026-03-05 15:11:25 +0000 to 2026-03-13 14:34:16 +0000 - fix(git): preserve SCP-like submodule URLs for fetch (rust-lang/cargo#16744) - Fix 16732 (rust-lang/cargo#16746) - fix(rustdoc): switch to new `--emit` options (rust-lang/cargo#16739) - fix(git): convert SCP-like submodule URLs to ssh:// format (rust-lang/cargo#16727) - fix(core): typo (rust-lang/cargo#16738) - CARGO_TARGET_DIR doesn't have to be relative (rust-lang/cargo#16735) - chore(ci): Detect user changes to src/etc/man (rust-lang/cargo#16736) - util: Exclude from iCloud Drive sync on macOS (rust-lang/cargo#16728) - fix(compile): Stop on denying warnings without --keep-going (rust-lang/cargo#16725) - feat(shell): Support OSC 9;4 progress on ptyxis (rust-lang/cargo#16730) - Let git decide when to run gc (rust-lang/cargo#16459) - chore(deps): update cargo-semver-checks to v0.47.0 (rust-lang/cargo#16723) - fix(compile): Turn warning summaries into errors also (rust-lang/cargo#16721) - fix(fix): Switch from ad-hoc to structured warnings (rust-lang/cargo#16711) - fix: ignore implicit std dependencies in `unused-crate-dependencies` lint (rust-lang/cargo#16677) - chore(deps): update msrv (3 versions) to v1.92 (rust-lang/cargo#16716) - chore(deps): update msrv (1 version) to v1.94 (rust-lang/cargo#16710) - fix(script): surpress `unused_features` lint for embedded (rust-lang/cargo#16714) - Split `build-dir` lock into dedicated lock (rust-lang/cargo#16708) - Add missing truncate when writing .crate files (rust-lang/cargo#16688) - refactor(fix): Prep for annotate-snippets (rust-lang/cargo#16702)
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What does this PR try to resolve?
This had been discussed a little bit on zulip.
This then came up in usability feedback from @Urgau with
rust-lang/rust's x.py having adopted
build.warnings.The output from all of the other build targets causes the warnings to
disappear off the screen which doesn't happen with errors because the
build ends immediately.
So we're making warnings act more like errors.
How to test and review this PR?
This is a follow up to #16721