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Latest rustc tags unused_imports on trait imports spuriously

A-lintsArea: Lints (warnings about flaws in source code) such as unused_mut.Area: Lints (warnings about flaws in source code) such as unused_mut.

C-bugCategory: This is a bug.Category: This is a bug.

L-unused_importsLint: unused_importsLint: unused_imports

P-mediumMedium priorityMedium priority

regression-from-stable-to-stablePerformance or correctness regression from one stable version to another.Performance or correctness regression from one stable version to another.

T-compilerRelevant to the compiler team, which will review and decide on the PR/issue.Relevant to the compiler team, which will review and decide on the PR/issue.

Status: Open.

#145185 In rust-lang/rust;

· TheBlueMatt opened on Aug 9, 2025

1

12 comments



Fix tail calls to #[track_caller] functions

A-lintsArea: Lints (warnings about flaws in source code) such as unused_mut.Area: Lints (warnings about flaws in source code) such as unused_mut.

F-explicit_tail_calls`#![feature(explicit_tail_calls)]``#![feature(explicit_tail_calls)]`

F-track_caller`#![feature(track_caller)]``#![feature(track_caller)]`

S-waiting-on-reviewStatus: Awaiting review from the assignee but also interested parties.Status: Awaiting review from the assignee but also interested parties.

T-compilerRelevant to the compiler team, which will review and decide on the PR/issue.Relevant to the compiler team, which will review and decide on the PR/issue.

Status: Open (in progress).

rust-lang/rustnumber 144865

#144865 In rust-lang/rust;

· WaffleLapkin opened on Aug 3, 2025

· Approved

· 9/10

18



Warn for intra-doc links to doc(hidden) items.

A-intra-doc-linksArea: Intra-doc links, the ability to link to items in docs by nameArea: Intra-doc links, the ability to link to items in docs by name

A-lintsArea: Lints (warnings about flaws in source code) such as unused_mut.Area: Lints (warnings about flaws in source code) such as unused_mut.

C-bugCategory: This is a bug.Category: This is a bug.

T-rustdocRelevant to the rustdoc team, which will review and decide on the PR/issue.Relevant to the rustdoc team, which will review and decide on the PR/issue.

Status: Open.

#144664 In rust-lang/rust;

· kpreid opened on Jul 30, 2025

1



Tracking Issue for future-incompatibility lint macro_expanded_macro_exports_accessed_by_absolute_paths

A-lintsArea: Lints (warnings about flaws in source code) such as unused_mut.Area: Lints (warnings about flaws in source code) such as unused_mut.

C-future-incompatibilityCategory: Future-incompatibility lintsCategory: Future-incompatibility lints

C-tracking-issueCategory: An issue tracking the progress of sth. like the implementation of an RFCCategory: An issue tracking the progress of sth. like the implementation of an RFC

T-compilerRelevant to the compiler team, which will review and decide on the PR/issue.Relevant to the compiler team, which will review and decide on the PR/issue.

Status: Open.

#144408 In rust-lang/rust;

· petrochenkov opened on Jul 24, 2025

Tracking Issue for future-incompatibility lint out_of_scope_macro_calls

A-lintsArea: Lints (warnings about flaws in source code) such as unused_mut.Area: Lints (warnings about flaws in source code) such as unused_mut.

C-future-incompatibilityCategory: Future-incompatibility lintsCategory: Future-incompatibility lints

C-tracking-issueCategory: An issue tracking the progress of sth. like the implementation of an RFCCategory: An issue tracking the progress of sth. like the implementation of an RFC

T-compilerRelevant to the compiler team, which will review and decide on the PR/issue.Relevant to the compiler team, which will review and decide on the PR/issue.

Status: Open.

#144406 In rust-lang/rust;

· petrochenkov opened on Jul 24, 2025

Code &impl A + B, which cannot compile, may be suggested by the lint refining_impl_trait

A-diagnosticsArea: Messages for errors, warnings, and lintsArea: Messages for errors, warnings, and lints

A-lintsArea: Lints (warnings about flaws in source code) such as unused_mut.Area: Lints (warnings about flaws in source code) such as unused_mut.

D-invalid-suggestionDiagnostics: A structured suggestion resulting in incorrect code.Diagnostics: A structured suggestion resulting in incorrect code.

L-refining_impl_traitLint group: refining_impl_traitLint group: refining_impl_trait

T-compilerRelevant to the compiler team, which will review and decide on the PR/issue.Relevant to the compiler team, which will review and decide on the PR/issue.

Status: Open.

#144401 In rust-lang/rust;

· skr2005 opened on Jul 24, 2025

Tracking issue for release notes of #144369: Upgrade semicolon_in_expressions_from_macros from warn to deny

A-lintsArea: Lints (warnings about flaws in source code) such as unused_mut.Area: Lints (warnings about flaws in source code) such as unused_mut.

A-macrosArea: All kinds of macros (custom derive, macro_rules!, proc macros, ..)Area: All kinds of macros (custom derive, macro_rules!, proc macros, ..)

needs-triageThis issue may need triage. Remove it if it has been sufficiently triaged.This issue may need triage. Remove it if it has been sufficiently triaged.

release-blog-postMarks issues tracking what text to put in the release blog post.Marks issues tracking what text to put in the release blog post.

relnotesMarks issues that should be documented in the release notes of the next release.Marks issues that should be documented in the release notes of the next release.

relnotes-tracking-issueMarks issues tracking what text to put in release notes.Marks issues tracking what text to put in release notes.

T-langRelevant to the language teamRelevant to the language team

Status: Open.

#144370 In rust-lang/rust;

· rustbot opened on Jul 23, 2025

· 

1.91.0

Point at assignment where unread previously assigned binding is overwritten

A-diagnosticsArea: Messages for errors, warnings, and lintsArea: Messages for errors, warnings, and lints

A-lintsArea: Lints (warnings about flaws in source code) such as unused_mut.Area: Lints (warnings about flaws in source code) such as unused_mut.

D-papercutDiagnostics: An error or lint that needs small tweaks.Diagnostics: An error or lint that needs small tweaks.

D-terseDiagnostics: An error or lint that doesn't give enough information about the problem at hand.Diagnostics: An error or lint that doesn't give enough information about the problem at hand.

T-compilerRelevant to the compiler team, which will review and decide on the PR/issue.Relevant to the compiler team, which will review and decide on the PR/issue.

Status: Open.

#144079 In rust-lang/rust;

· estebank opened on Jul 17, 2025

5 comments

lint pub const _: ...

A-lintsArea: Lints (warnings about flaws in source code) such as unused_mut.Area: Lints (warnings about flaws in source code) such as unused_mut.

C-feature-requestCategory: A feature request, i.e: not implemented / a PR.Category: A feature request, i.e: not implemented / a PR.

T-langRelevant to the language teamRelevant to the language team

Status: Open.

#144047 In rust-lang/rust;

· A4-Tacks opened on Jul 17, 2025

unused_parens suggestion yeets attribute

A-attributesArea: Attributes (`#[…]`, `#![…]`)Area: Attributes (`#[…]`, `#![…]`)

A-lintsArea: Lints (warnings about flaws in source code) such as unused_mut.Area: Lints (warnings about flaws in source code) such as unused_mut.

A-suggestion-diagnosticsArea: Suggestions generated by the compiler applied by `cargo fix`Area: Suggestions generated by the compiler applied by `cargo fix`

C-bugCategory: This is a bug.Category: This is a bug.

D-invalid-suggestionDiagnostics: A structured suggestion resulting in incorrect code.Diagnostics: A structured suggestion resulting in incorrect code.

F-contracts`#![feature(contracts)]``#![feature(contracts)]`

T-compilerRelevant to the compiler team, which will review and decide on the PR/issue.Relevant to the compiler team, which will review and decide on the PR/issue.

Status: Open.

#143754 In rust-lang/rust;

· matthiaskrgr opened on Jul 10, 2025

1 comment

private_interfaces not linting RPITIT

A-impl-traitArea: `impl Trait`. Universally / existentially quantified anonymous types with static dispatch.Area: `impl Trait`. Universally / existentially quantified anonymous types with static dispatch.

A-lintsArea: Lints (warnings about flaws in source code) such as unused_mut.Area: Lints (warnings about flaws in source code) such as unused_mut.

A-visibilityArea: Visibility / privacyArea: Visibility / privacy

C-bugCategory: This is a bug.Category: This is a bug.

L-false-negativeLint: False negative (should have fired but didn't).Lint: False negative (should have fired but didn't).

L-private_interfacesLint: private_interfacesLint: private_interfaces

T-compilerRelevant to the compiler team, which will review and decide on the PR/issue.Relevant to the compiler team, which will review and decide on the PR/issue.

Status: Open.

#143531 In rust-lang/rust;

· mladedav opened on Jul 6, 2025

1 comment

false positive : single-use-lifetimes '_ is a reserved lifetime name

A-higher-rankedArea: Higher-ranked things (e.g., lifetimes, types, trait bounds aka HRTBs)Area: Higher-ranked things (e.g., lifetimes, types, trait bounds aka HRTBs)

A-lifetimesArea: Lifetimes / regionsArea: Lifetimes / regions

A-lintsArea: Lints (warnings about flaws in source code) such as unused_mut.Area: Lints (warnings about flaws in source code) such as unused_mut.

A-suggestion-diagnosticsArea: Suggestions generated by the compiler applied by `cargo fix`Area: Suggestions generated by the compiler applied by `cargo fix`

C-bugCategory: This is a bug.Category: This is a bug.

D-invalid-suggestionDiagnostics: A structured suggestion resulting in incorrect code.Diagnostics: A structured suggestion resulting in incorrect code.

L-false-positiveLint: False positive (should not have fired).Lint: False positive (should not have fired).

L-single_use_lifetimesLint: single_use_lifetimesLint: single_use_lifetimes

T-compilerRelevant to the compiler team, which will review and decide on the PR/issue.Relevant to the compiler team, which will review and decide on the PR/issue.

Status: Open.

#143131 In rust-lang/rust;

· matthiaskrgr opened on Jun 28, 2025

No way to suppress all third-party crate warnings **except** a few selected warnings

A-CLIArea: Command-line interface (CLI) to the compilerArea: Command-line interface (CLI) to the compiler

A-lint-levelsArea: lint levelsArea: lint levels

A-lintsArea: Lints (warnings about flaws in source code) such as unused_mut.Area: Lints (warnings about flaws in source code) such as unused_mut.

C-feature-requestCategory: A feature request, i.e: not implemented / a PR.Category: A feature request, i.e: not implemented / a PR.

T-compilerRelevant to the compiler team, which will review and decide on the PR/issue.Relevant to the compiler team, which will review and decide on the PR/issue.

Status: Open.

#143108 In rust-lang/rust;

· anforowicz opened on Jun 27, 2025

5 comments

unused_parens false positive in return position of Fn generics, when there is another path segment

A-lintsArea: Lints (warnings about flaws in source code) such as unused_mut.Area: Lints (warnings about flaws in source code) such as unused_mut.

L-false-positiveLint: False positive (should not have fired).Lint: False positive (should not have fired).

L-unused_parensLint: unused_parensLint: unused_parens

P-lowLow priorityLow priority

T-compilerRelevant to the compiler team, which will review and decide on the PR/issue.Relevant to the compiler team, which will review and decide on the PR/issue.

Status: Open.

#143080 In rust-lang/rust;

· sodiboo opened on Jun 27, 2025

"avoid using named labels" mis-identifies inst operand as label

A-inline-assemblyArea: Inline assembly (`asm!(…)`)Area: Inline assembly (`asm!(…)`)

A-lintsArea: Lints (warnings about flaws in source code) such as unused_mut.Area: Lints (warnings about flaws in source code) such as unused_mut.

C-bugCategory: This is a bug.Category: This is a bug.

L-false-positiveLint: False positive (should not have fired).Lint: False positive (should not have fired).

T-compilerRelevant to the compiler team, which will review and decide on the PR/issue.Relevant to the compiler team, which will review and decide on the PR/issue.

Status: Open.

#143021 In rust-lang/rust;

· androm3da opened on Jun 25, 2025

1

6 comments

Consider separate lints for "hierarchical" unused lints (or some way to opt-out)

A-lintsArea: Lints (warnings about flaws in source code) such as unused_mut.Area: Lints (warnings about flaws in source code) such as unused_mut.

L-dead_codeLint: dead_codeLint: dead_code

T-compilerRelevant to the compiler team, which will review and decide on the PR/issue.Relevant to the compiler team, which will review and decide on the PR/issue.

Status: Open.

#142899 In rust-lang/rust;

· Houtamelo opened on Jun 23, 2025

8 comments

Tracking Issue for properly specifying how lint levels are determined

A-lint-levelsArea: lint levelsArea: lint levels

A-lintsArea: Lints (warnings about flaws in source code) such as unused_mut.Area: Lints (warnings about flaws in source code) such as unused_mut.

C-tracking-issueCategory: An issue tracking the progress of sth. like the implementation of an RFCCategory: An issue tracking the progress of sth. like the implementation of an RFC

T-compilerRelevant to the compiler team, which will review and decide on the PR/issue.Relevant to the compiler team, which will review and decide on the PR/issue.

T-langRelevant to the language teamRelevant to the language team

Status: Open.

#142610 In rust-lang/rust;

· jieyouxu opened on Jun 17, 2025

Regression: false negative lint dead_code: dead code is not detected for struct if it implements FromStr

A-lintsArea: Lints (warnings about flaws in source code) such as unused_mut.Area: Lints (warnings about flaws in source code) such as unused_mut.

C-bugCategory: This is a bug.Category: This is a bug.

L-dead_codeLint: dead_codeLint: dead_code

L-false-negativeLint: False negative (should have fired but didn't).Lint: False negative (should have fired but didn't).

P-lowLow priorityLow priority

regression-from-stable-to-stablePerformance or correctness regression from one stable version to another.Performance or correctness regression from one stable version to another.

T-compilerRelevant to the compiler team, which will review and decide on the PR/issue.Relevant to the compiler team, which will review and decide on the PR/issue.

Status: Open.

#142541 In rust-lang/rust;

· safinaskar opened on Jun 15, 2025

6 comments

upstream globs + other globs should be linted on

A-diagnosticsArea: Messages for errors, warnings, and lintsArea: Messages for errors, warnings, and lints

A-lintsArea: Lints (warnings about flaws in source code) such as unused_mut.Area: Lints (warnings about flaws in source code) such as unused_mut.

T-langRelevant to the language teamRelevant to the language team

Status: Open.

#142448 In rust-lang/rust;

· workingjubilee opened on Jun 13, 2025

14 comments

Tracking issue for release notes of #141661: Make the dangerous_implicit_autorefs lint deny-by-default

A-lintsArea: Lints (warnings about flaws in source code) such as unused_mut.Area: Lints (warnings about flaws in source code) such as unused_mut.

L-dangerous_implicit_autorefsLint: dangerous_implicit_autorefsLint: dangerous_implicit_autorefs

relnotesMarks issues that should be documented in the release notes of the next release.Marks issues that should be documented in the release notes of the next release.

relnotes-tracking-issueMarks issues tracking what text to put in release notes.Marks issues tracking what text to put in release notes.

T-langRelevant to the language teamRelevant to the language team

Status: Open.

#142172 In rust-lang/rust;

· rustbot opened on Jun 7, 2025

· 

1.89.0

ICE in tail_expr_drop_order lint

A-async-awaitArea: Async & AwaitArea: Async & Await

A-lintsArea: Lints (warnings about flaws in source code) such as unused_mut.Area: Lints (warnings about flaws in source code) such as unused_mut.

C-bugCategory: This is a bug.Category: This is a bug.

I-ICEIssue: The compiler panicked, giving an Internal Compilation Error (ICE) ❄️Issue: The compiler panicked, giving an Internal Compilation Error (ICE) ❄️

requires-debug-assertionsThis issue requires a build of rustc or tooling with debug-assertions in some wayThis issue requires a build of rustc or tooling with debug-assertions in some way

T-compilerRelevant to the compiler team, which will review and decide on the PR/issue.Relevant to the compiler team, which will review and decide on the PR/issue.

Status: Open.

#142155 In rust-lang/rust;

· matthiaskrgr opened on Jun 7, 2025

1 comment

rustdoc does not forward lint settings to the doctest builds

A-doctestsArea: Documentation tests, run by rustdocArea: Documentation tests, run by rustdoc

A-lintsArea: Lints (warnings about flaws in source code) such as unused_mut.Area: Lints (warnings about flaws in source code) such as unused_mut.

C-enhancementCategory: An issue proposing an enhancement or a PR with one.Category: An issue proposing an enhancement or a PR with one.

needs-fcpThis change is insta-stable, or significant enough to need a team FCP to proceed.This change is insta-stable, or significant enough to need a team FCP to proceed.

T-rustdocRelevant to the rustdoc team, which will review and decide on the PR/issue.Relevant to the rustdoc team, which will review and decide on the PR/issue.

Status: Open.

#142149 In rust-lang/rust;

· RalfJung opened on Jun 7, 2025

diagnostics: pin_ergonomics: unused_mut spans are wrong, would destroy code

A-lintsArea: Lints (warnings about flaws in source code) such as unused_mut.Area: Lints (warnings about flaws in source code) such as unused_mut.

C-bugCategory: This is a bug.Category: This is a bug.

D-imprecise-spansDiagnostics: spans don't point to exactly the erroneous codeDiagnostics: spans don't point to exactly the erroneous code

F-pin_ergonomics`#![feature(pin_ergonomics)]``#![feature(pin_ergonomics)]`

L-unused_mutLint: unused_mutLint: unused_mut

T-compilerRelevant to the compiler team, which will review and decide on the PR/issue.Relevant to the compiler team, which will review and decide on the PR/issue.

Status: Open.

#142077 In rust-lang/rust;

· matthiaskrgr opened on Jun 5, 2025

1 comment

Item used in (unused) item named _name is still deemed dead

A-lintsArea: Lints (warnings about flaws in source code) such as unused_mut.Area: Lints (warnings about flaws in source code) such as unused_mut.

C-bugCategory: This is a bug.Category: This is a bug.

L-dead_codeLint: dead_codeLint: dead_code

L-false-positiveLint: False positive (should not have fired).Lint: False positive (should not have fired).

T-compilerRelevant to the compiler team, which will review and decide on the PR/issue.Relevant to the compiler team, which will review and decide on the PR/issue.

Status: Open.

#142075 In rust-lang/rust;

· DoubleHyphen opened on Jun 5, 2025

6 comments

Tracking issue for release notes of #138677: Add a new mismatched-lifetime-syntaxes lint

A-lintsArea: Lints (warnings about flaws in source code) such as unused_mut.Area: Lints (warnings about flaws in source code) such as unused_mut.

L-mismatched_lifetime_syntaxesLint: mismatched_lifetime_syntaxesLint: mismatched_lifetime_syntaxes

release-blog-postMarks issues tracking what text to put in the release blog post.Marks issues tracking what text to put in the release blog post.

relnotesMarks issues that should be documented in the release notes of the next release.Marks issues that should be documented in the release notes of the next release.

relnotes-tracking-issueMarks issues tracking what text to put in release notes.Marks issues tracking what text to put in release notes.

T-langRelevant to the language teamRelevant to the language team

Status: Open.

#141787 In rust-lang/rust;

· rustbot opened on May 30, 2025

· 

1.89.0