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What does this PR try to resolve?

unknown_lints is special that it analyzes only at package level,
and warn if your lint is inherited from workspace.

According to the discussion in #16321 (comment),
we should lint against workspace always plus selected packages.

This additionally handles unstable lint gating.

How to test and review this PR?

Two new tests are added to reflect that workspace lints were not analyzed if not inheriting.

Cargo should always capture unknown/feature-gated lin at workspace level
`unknown_lints` is special that it analyzes only at package level,
and warn if your lint is inherited from workspace.

According to the discussion in
<rust-lang#16321 (comment)>,
we should lint against workspace always plus selected packages.

This additionally handles unstable lint gating.
@rustbot rustbot added A-workspaces Area: workspaces S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. labels Dec 9, 2025
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rustbot commented Dec 9, 2025

r? @ehuss

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.file(
"Cargo.toml",
r#"
cargo-features = ["test-dummy-unstable"]
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We didn't require this at workspace level before, if not inheriting.

@epage epage added this pull request to the merge queue Dec 9, 2025
Merged via the queue into rust-lang:master with commit 8ff9d67 Dec 9, 2025
28 checks passed
@rustbot rustbot removed the S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. label Dec 9, 2025
bors added a commit to rust-lang/rust that referenced this pull request Dec 13, 2025
Update cargo submodule

27 commits in 2c283a9a5c5968eeb9a8f12313f04feb1ff8dfac..c46423de7351e3c4c734b2faa86088a9f5d1302b
2025-12-04 16:47:28 +0000 to 2025-12-12 23:16:12 +0000
- feat(report): cargo report timings HTML replay (rust-lang/cargo#16377)
- feat: stabilize `-Zconfig-include` (rust-lang/cargo#16284)
- fix(package): Don't verify registry for --list  (rust-lang/cargo#16341)
- Fixed incorrect locking logic when artifact-dir == build-dir (rust-lang/cargo#16385)
- feat(log): make timing messages ready for HTML replay (rust-lang/cargo#16382)
- chore(deps): update msrv (1 version) to v1.92 (rust-lang/cargo#16381)
- Downgrade curl-sys to 0.4.83 (rust-lang/cargo#16379)
- fix(timing): more self-contained timing/log data (rust-lang/cargo#16378)
- test: update to `proc_macro::tracked::path` (rust-lang/cargo#16380)
- refactor(lint): move lints to separate modules (rust-lang/cargo#16364)
- fix(index): Apply feedback from Cargo team (rust-lang/cargo#16369)
- fix(lints): handle lints separately at ws pkg level  (rust-lang/cargo#16367)
- feat(lint): new `implicit_minimum_version_req` lint (rust-lang/cargo#16321)
- fix(info): default to local without explicit reg (rust-lang/cargo#16358)
- Remove `[no-mentions]` handler in our triagebot config (rust-lang/cargo#16361)
- Don't read the config file twice when $CARGO_HOME is a symlink (rust-lang/cargo#16325)
- fix(timings): forgot to negate filter (rust-lang/cargo#16352)
- fix(doctest): Include all search paths with new build layout  (rust-lang/cargo#16348)
- fix(layout): Remove hashes from bins in new layout  (rust-lang/cargo#16351)
- docs(faq): Include an entry on disk space (rust-lang/cargo#16349)
- feat(timings): derive concurrency data from unit data (rust-lang/cargo#16350)
- perf(layout): Use unit_id, not pkg hash, for bin/lib pkg_dirs for new layout (rust-lang/cargo#16345)
- Validate target source paths before compilation with clearer errors (rust-lang/cargo#16338)
- test(doc): Remove unused build script (rust-lang/cargo#16344)
- refactor(timings): store UnitData in RenderContext instead  (rust-lang/cargo#16346)
- perf(clean): Optimize (legacy) clean with multiple -p specifiers (rust-lang/cargo#16264)
- test: Adjust output for out-of-tree build-dir (rust-lang/cargo#16343)
bors added a commit to rust-lang/rust that referenced this pull request Dec 13, 2025
Update cargo submodule

29 commits in 2c283a9a5c5968eeb9a8f12313f04feb1ff8dfac..e91b2baa632c0c7e84216c91ecfe107c37d887c1
2025-12-04 16:47:28 +0000 to 2025-12-13 16:29:21 +0000
- refactor(lints): move from cargo::util::lints to cargo::lints (rust-lang/cargo#16392)
- test(lint): redact more due to line got omitted (rust-lang/cargo#16391)
- feat(report): cargo report timings HTML replay (rust-lang/cargo#16377)
- feat: stabilize `-Zconfig-include` (rust-lang/cargo#16284)
- fix(package): Don't verify registry for --list  (rust-lang/cargo#16341)
- Fixed incorrect locking logic when artifact-dir == build-dir (rust-lang/cargo#16385)
- feat(log): make timing messages ready for HTML replay (rust-lang/cargo#16382)
- chore(deps): update msrv (1 version) to v1.92 (rust-lang/cargo#16381)
- Downgrade curl-sys to 0.4.83 (rust-lang/cargo#16379)
- fix(timing): more self-contained timing/log data (rust-lang/cargo#16378)
- test: update to `proc_macro::tracked::path` (rust-lang/cargo#16380)
- refactor(lint): move lints to separate modules (rust-lang/cargo#16364)
- fix(index): Apply feedback from Cargo team (rust-lang/cargo#16369)
- fix(lints): handle lints separately at ws pkg level  (rust-lang/cargo#16367)
- feat(lint): new `implicit_minimum_version_req` lint (rust-lang/cargo#16321)
- fix(info): default to local without explicit reg (rust-lang/cargo#16358)
- Remove `[no-mentions]` handler in our triagebot config (rust-lang/cargo#16361)
- Don't read the config file twice when $CARGO_HOME is a symlink (rust-lang/cargo#16325)
- fix(timings): forgot to negate filter (rust-lang/cargo#16352)
- fix(doctest): Include all search paths with new build layout  (rust-lang/cargo#16348)
- fix(layout): Remove hashes from bins in new layout  (rust-lang/cargo#16351)
- docs(faq): Include an entry on disk space (rust-lang/cargo#16349)
- feat(timings): derive concurrency data from unit data (rust-lang/cargo#16350)
- perf(layout): Use unit_id, not pkg hash, for bin/lib pkg_dirs for new layout (rust-lang/cargo#16345)
- Validate target source paths before compilation with clearer errors (rust-lang/cargo#16338)
- test(doc): Remove unused build script (rust-lang/cargo#16344)
- refactor(timings): store UnitData in RenderContext instead  (rust-lang/cargo#16346)
- perf(clean): Optimize (legacy) clean with multiple -p specifiers (rust-lang/cargo#16264)
- test: Adjust output for out-of-tree build-dir (rust-lang/cargo#16343)
@rustbot rustbot added this to the 1.94.0 milestone Dec 13, 2025
github-actions bot pushed a commit to rust-lang/miri that referenced this pull request Dec 14, 2025
Update cargo submodule

29 commits in 2c283a9a5c5968eeb9a8f12313f04feb1ff8dfac..e91b2baa632c0c7e84216c91ecfe107c37d887c1
2025-12-04 16:47:28 +0000 to 2025-12-13 16:29:21 +0000
- refactor(lints): move from cargo::util::lints to cargo::lints (rust-lang/cargo#16392)
- test(lint): redact more due to line got omitted (rust-lang/cargo#16391)
- feat(report): cargo report timings HTML replay (rust-lang/cargo#16377)
- feat: stabilize `-Zconfig-include` (rust-lang/cargo#16284)
- fix(package): Don't verify registry for --list  (rust-lang/cargo#16341)
- Fixed incorrect locking logic when artifact-dir == build-dir (rust-lang/cargo#16385)
- feat(log): make timing messages ready for HTML replay (rust-lang/cargo#16382)
- chore(deps): update msrv (1 version) to v1.92 (rust-lang/cargo#16381)
- Downgrade curl-sys to 0.4.83 (rust-lang/cargo#16379)
- fix(timing): more self-contained timing/log data (rust-lang/cargo#16378)
- test: update to `proc_macro::tracked::path` (rust-lang/cargo#16380)
- refactor(lint): move lints to separate modules (rust-lang/cargo#16364)
- fix(index): Apply feedback from Cargo team (rust-lang/cargo#16369)
- fix(lints): handle lints separately at ws pkg level  (rust-lang/cargo#16367)
- feat(lint): new `implicit_minimum_version_req` lint (rust-lang/cargo#16321)
- fix(info): default to local without explicit reg (rust-lang/cargo#16358)
- Remove `[no-mentions]` handler in our triagebot config (rust-lang/cargo#16361)
- Don't read the config file twice when $CARGO_HOME is a symlink (rust-lang/cargo#16325)
- fix(timings): forgot to negate filter (rust-lang/cargo#16352)
- fix(doctest): Include all search paths with new build layout  (rust-lang/cargo#16348)
- fix(layout): Remove hashes from bins in new layout  (rust-lang/cargo#16351)
- docs(faq): Include an entry on disk space (rust-lang/cargo#16349)
- feat(timings): derive concurrency data from unit data (rust-lang/cargo#16350)
- perf(layout): Use unit_id, not pkg hash, for bin/lib pkg_dirs for new layout (rust-lang/cargo#16345)
- Validate target source paths before compilation with clearer errors (rust-lang/cargo#16338)
- test(doc): Remove unused build script (rust-lang/cargo#16344)
- refactor(timings): store UnitData in RenderContext instead  (rust-lang/cargo#16346)
- perf(clean): Optimize (legacy) clean with multiple -p specifiers (rust-lang/cargo#16264)
- test: Adjust output for out-of-tree build-dir (rust-lang/cargo#16343)
github-actions bot pushed a commit to rust-lang/rust-analyzer that referenced this pull request Dec 15, 2025
Update cargo submodule

29 commits in 2c283a9a5c5968eeb9a8f12313f04feb1ff8dfac..e91b2baa632c0c7e84216c91ecfe107c37d887c1
2025-12-04 16:47:28 +0000 to 2025-12-13 16:29:21 +0000
- refactor(lints): move from cargo::util::lints to cargo::lints (rust-lang/cargo#16392)
- test(lint): redact more due to line got omitted (rust-lang/cargo#16391)
- feat(report): cargo report timings HTML replay (rust-lang/cargo#16377)
- feat: stabilize `-Zconfig-include` (rust-lang/cargo#16284)
- fix(package): Don't verify registry for --list  (rust-lang/cargo#16341)
- Fixed incorrect locking logic when artifact-dir == build-dir (rust-lang/cargo#16385)
- feat(log): make timing messages ready for HTML replay (rust-lang/cargo#16382)
- chore(deps): update msrv (1 version) to v1.92 (rust-lang/cargo#16381)
- Downgrade curl-sys to 0.4.83 (rust-lang/cargo#16379)
- fix(timing): more self-contained timing/log data (rust-lang/cargo#16378)
- test: update to `proc_macro::tracked::path` (rust-lang/cargo#16380)
- refactor(lint): move lints to separate modules (rust-lang/cargo#16364)
- fix(index): Apply feedback from Cargo team (rust-lang/cargo#16369)
- fix(lints): handle lints separately at ws pkg level  (rust-lang/cargo#16367)
- feat(lint): new `implicit_minimum_version_req` lint (rust-lang/cargo#16321)
- fix(info): default to local without explicit reg (rust-lang/cargo#16358)
- Remove `[no-mentions]` handler in our triagebot config (rust-lang/cargo#16361)
- Don't read the config file twice when $CARGO_HOME is a symlink (rust-lang/cargo#16325)
- fix(timings): forgot to negate filter (rust-lang/cargo#16352)
- fix(doctest): Include all search paths with new build layout  (rust-lang/cargo#16348)
- fix(layout): Remove hashes from bins in new layout  (rust-lang/cargo#16351)
- docs(faq): Include an entry on disk space (rust-lang/cargo#16349)
- feat(timings): derive concurrency data from unit data (rust-lang/cargo#16350)
- perf(layout): Use unit_id, not pkg hash, for bin/lib pkg_dirs for new layout (rust-lang/cargo#16345)
- Validate target source paths before compilation with clearer errors (rust-lang/cargo#16338)
- test(doc): Remove unused build script (rust-lang/cargo#16344)
- refactor(timings): store UnitData in RenderContext instead  (rust-lang/cargo#16346)
- perf(clean): Optimize (legacy) clean with multiple -p specifiers (rust-lang/cargo#16264)
- test: Adjust output for out-of-tree build-dir (rust-lang/cargo#16343)
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4 participants