Search results

Support <code>#[diagnostic::on_unimplemented]</code> on methods

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

F-on_unimplementedError messages that can be tackled with `#[rustc_on_unimplemented]`Error messages that can be tackled with `#[rustc_on_unimplemented]`

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.

WG-diagnosticsWorking group: DiagnosticsWorking group: Diagnostics

Status: Open.

#148512 In rust-lang/rust;

· estebank opened on Nov 5, 2025

Tracking Issue for improving suggestion rendering in diagnostics

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

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

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.

WG-diagnosticsWorking group: DiagnosticsWorking group: Diagnostics

Status: Open.

#141973 In rust-lang/rust;

· estebank opened on Jun 3, 2025

Always show the lint name involved in a diagnostic?

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.

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

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.

WG-diagnosticsWorking group: DiagnosticsWorking group: Diagnostics

Status: Open.

#134634 In rust-lang/rust;

· Kannen opened on Dec 11, 2024

Tracking Issue for rustc's translatable diagnostics infrastructure

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

A-translationArea: Translation infrastructure, and migrating existing diagnostics to SessionDiagnosticArea: Translation infrastructure, and migrating existing diagnostics to SessionDiagnostic

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

D-diagnostic-infraDiagnostics: Issues that affect all diagnostics, or relate to the diagnostic machinery itself.Diagnostics: Issues that affect all diagnostics, or relate to the diagnostic machinery itself.

E-hardCall for participation: Hard difficulty. Experience needed to fix: A lot.Call for participation: Hard difficulty. Experience needed to fix: A lot.

E-needs-designThis issue needs exploration and design to see how and if we can fix/implement itThis issue needs exploration and design to see how and if we can fix/implement it

S-tracking-needs-deep-researchStatus: This feature needs deep research to solve design or implementation issues.Status: This feature needs deep research to solve design or implementation issues.

S-tracking-needs-design-proposalStatus: This needs a clear design proposal and then a meeting with the team.Status: This needs a clear design proposal and then a meeting with the team.

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.

WG-diagnosticsWorking group: DiagnosticsWorking group: Diagnostics

Status: Open.

#132181 In rust-lang/rust;

· jieyouxu opened on Oct 26, 2024

Async callback argument causes nonsensical error message.

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

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

AsyncAwait-TriagedAsync-await issues that have been triaged during a working group meeting.Async-await issues that have been triaged during a working group meeting.

D-confusingDiagnostics: Confusing error or lint that should be reworked.Diagnostics: Confusing error or lint that should be reworked.

fixed-by-async-closuresFixed by `#![feature(async_closure)]`Fixed by `#![feature(async_closure)]`

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.

WG-asyncWorking group: Async & awaitWorking group: Async & await

WG-diagnosticsWorking group: DiagnosticsWorking group: Diagnostics

Status: Open.

#121093 In rust-lang/rust;

· theemathas opened on Feb 14, 2024

Diagnostics suggest incorrect paths when inline modules are used

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

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.

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.

WG-diagnosticsWorking group: DiagnosticsWorking group: Diagnostics

Status: Open.

#119521 In rust-lang/rust;

· WaffleLapkin opened on Jan 2, 2024

enabling a only a single lint is not intuitive

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

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.

WG-diagnosticsWorking group: DiagnosticsWorking group: Diagnostics

Status: Open.

#105104 In rust-lang/rust;

· matthiaskrgr opened on Nov 30, 2022

Source of lifetime coercion is not reported starting in 1.63

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

A-lifetimesArea: Lifetimes / regionsArea: Lifetimes / regions

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

P-highHigh priorityHigh 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.

WG-diagnosticsWorking group: DiagnosticsWorking group: Diagnostics

Status: Open.

#99256 In rust-lang/rust;

· mqudsi opened on Jul 14, 2022

· 

1.63.0

rustc 1.59/1.60 builds musl binaries that segfault, when compiling with musl-gcc wrappers, due to static-pie default

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

E-help-wantedCall for participation: Help is requested to fix this issue.Call for participation: Help is requested to fix this issue.

E-mentorCall for participation: This issue has a mentor. Use #t-compiler/help on Zulip for discussion.Call for participation: This issue has a mentor. Use #t-compiler/help on Zulip for discussion.

O-muslTarget: The musl libcTarget: The musl libc

P-highHigh priorityHigh 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.

WG-diagnosticsWorking group: DiagnosticsWorking group: Diagnostics

Status: Open.

#95926 In rust-lang/rust;

· joshtriplett opened on Apr 11, 2022

<code>-Z terminal-width</code> should account for compiler-generated text, not just user-supplied text

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

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.

WG-diagnosticsWorking group: DiagnosticsWorking group: Diagnostics

Status: Open.

#95432 In rust-lang/rust;

· shepmaster opened on Mar 29, 2022

Rustc passes syntactically invalid input to attribute macros

A-proc-macrosArea: Procedural macrosArea: Procedural macros

P-highHigh priorityHigh 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.

WG-diagnosticsWorking group: DiagnosticsWorking group: Diagnostics

Status: Open.

#90256 In rust-lang/rust;

· dtolnay opened on Oct 25, 2021

Diagnostic suggestions sometimes incorrectly point to external crates

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.

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.

WG-diagnosticsWorking group: DiagnosticsWorking group: Diagnostics

Status: Open.

#88514 In rust-lang/rust;

· ehuss opened on Aug 30, 2021