Search results

Tracking issue for release notes of #148214: Consider <code>Result&lt;T, Uninhabited&gt;</code> and <code>ControlFlow&lt;Uninhabited, T&gt;</code> to be equivalent to <code>T</code> for must use 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-unused_must_useLint: unused_must_useLint: unused_must_use

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.

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-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.

#148215 In rust-lang/rust;

· rustbot opened on Oct 28, 2025

Consider <code>Result&lt;T, Uninhabited&gt;</code> and <code>ControlFlow&lt;Uninhabited, T&gt;</code> to be equivalent to <code>T</code> for must use 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.

I-lang-radarItems that are on lang's radar and will need eventual work or consideration.Items that are on lang's radar and will need eventual work or consideration.

L-unused_must_useLint: unused_must_useLint: unused_must_use

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.

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.

S-waiting-on-t-langStatus: Awaiting decision from T-langStatus: Awaiting decision from T-lang

T-langRelevant to the language teamRelevant to the language team

Status: Open (in progress).

rust-lang/rustnumber 148214

#148214 In rust-lang/rust;

· WaffleLapkin opened on Oct 28, 2025

false positive <code>unused-extern-crates</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-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-unused_extern_cratesLint: unused_extern_cratesLint: unused_extern_crates

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.

#148140 In rust-lang/rust;

· matthiaskrgr opened on Oct 26, 2025

for_loops_over_fallibles lint with macros give invalid suggestion

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.

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

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

L-for_loops_over_falliblesLint: for_loops_over_falliblesLint: for_loops_over_fallibles

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.

#148114 In rust-lang/rust;

· theemathas opened on Oct 25, 2025

Tracking issue for release notes of #147136: Add warn-by-default lint for visibility on <code>const _</code> declarations

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

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.

#148113 In rust-lang/rust;

· rustbot opened on Oct 25, 2025

Should importing a <code>#[macro_export] macro_rules!</code> macro trigger <code>unused_imports</code>?

A-decl-macros-1-2Area: Declarative macros 1.2Area: Declarative macros 1.2

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, ..)

C-discussionCategory: Discussion or questions that doesn't represent real issues.Category: Discussion or questions that doesn't represent real issues.

L-unused_importsLint: unused_importsLint: unused_imports

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.

#147823 In rust-lang/rust;

· SabrinaJewson opened on Oct 17, 2025

Add <code>cargo_cfg_target_family_multivalued</code> FCW

A-cfgArea: `cfg` conditional compilationArea: `cfg` conditional compilation

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.

I-lang-nominatedNominated for discussion during a lang team meeting.Nominated for discussion during a lang team meeting.

P-lang-drag-2Lang team prioritization drag level 2.https://rust-lang.zulipchat.com/#narrow/channel/410516-t-lang.Lang team prioritization drag level 2.https://rust-lang.zulipchat.com/#narrow/channel/410516-t-lang.

S-waiting-on-t-langStatus: Awaiting decision from T-langStatus: Awaiting decision from T-lang

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 (in progress).

rust-lang/rustnumber 147545

#147545 In rust-lang/rust;

· madsmtm opened on Oct 10, 2025

Tracking Issue for future-incompatibility lint <code>ambiguous_panic_imports</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.

A-resolveArea: Name/path resolution done by `rustc_resolve` specificallyArea: Name/path resolution done by `rustc_resolve` specifically

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-langRelevant to the language teamRelevant to the language team

Status: Open.

#147319 In rust-lang/rust;

· Voultapher opened on Oct 4, 2025

Add warn-by-default lint for visibility on <code>const _</code> declarations

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

disposition-mergeThis issue / PR is in PFCP or FCP with a disposition to merge it.This issue / PR is in PFCP or FCP with a disposition to merge it.

finished-final-comment-periodThe final comment period is finished for this PR / Issue.The final comment period is finished for this PR / Issue.

I-lang-radarItems that are on lang's radar and will need eventual work or consideration.Items that are on lang's radar and will need eventual work or consideration.

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.

S-waiting-on-authorStatus: This is awaiting some action (such as code changes or more information) from the author.Status: This is awaiting some action (such as code changes or more information) from the author.

T-langRelevant to the language teamRelevant to the language team

to-announceAnnounce this issue on triage meetingAnnounce this issue on triage meeting

Status: Open (in progress).

rust-lang/rustnumber 147136

#147136 In rust-lang/rust;

· Jules-Bertholet opened on Sep 28, 2025

False positive regression for <code>unused_crate_dependencies</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.

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

L-unused_crate_dependenciesLint: unused_crate_dependenciesLint: unused_crate_dependencies

P-mediumMedium priorityMedium priority

regression-from-stable-to-betaPerformance or correctness regression from stable to beta.Performance or correctness regression from stable to beta.

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.

#147069 In rust-lang/rust;

· robertbastian opened on Sep 26, 2025

· 

1.91.0

Add lint about redefining runtime symbols

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.

I-lang-nominatedNominated for discussion during a lang team meeting.Nominated for discussion during a lang team meeting.

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.

P-lang-drag-2Lang team prioritization drag level 2.https://rust-lang.zulipchat.com/#narrow/channel/410516-t-lang.Lang team prioritization drag level 2.https://rust-lang.zulipchat.com/#narrow/channel/410516-t-lang.

S-waiting-on-t-langStatus: Awaiting decision from T-langStatus: Awaiting decision from T-lang

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 (in progress).

rust-lang/rustnumber 146505

#146505 In rust-lang/rust;

· Urgau opened on Sep 13, 2025

Lint against casts from the <code>size_of</code> function item

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.

E-mediumCall for participation: Medium difficulty. Experience needed to fix: Intermediate.Call for participation: Medium difficulty. Experience needed to fix: Intermediate.

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.

#146364 In rust-lang/rust;

· Noratrieb opened on Sep 9, 2025