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Wrong unfulfilled lint expectation for <code>dead_code</code> on a specific associated function

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

S-has-mcveStatus: A Minimal Complete and Verifiable Example has been found for this issueStatus: A Minimal Complete and Verifiable Example has been found for this issue

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.

#148861 In rust-lang/rust;

· weiznich opened on Nov 12, 2025

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

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

Item used in (unused) item named <code>_name</code> 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

The dead_code lint behaves differently on code inside a declarative macro that uses a procedural macro which accepts user-provided tokens for visibility qualifiers

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

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.

#141005 In rust-lang/rust;

· shepmaster opened on May 14, 2025

False positive <code>dead_code</code> lint when type is only used via destructuring

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.

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.

#132874 In rust-lang/rust;

· daniel5151 opened on Nov 10, 2024

False positive <code>dead_code</code> for const used as const generic argument during impl marker trait

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

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.

#128617 In rust-lang/rust;

· datdenkikniet opened on Aug 3, 2024

Dead code pass no longer considers enum used in <code>pub extern "C" fn</code> as used

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

S-has-mcveStatus: A Minimal Complete and Verifiable Example has been found for this issueStatus: A Minimal Complete and Verifiable Example has been found for this issue

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.

#126706 In rust-lang/rust;

· chinedufn opened on Jun 19, 2024

weird behavior from <code>-Fdead_code</code> vs <code>-Funused</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-dead_codeLint: dead_codeLint: dead_code

L-unused_importsLint: unused_importsLint: unused_imports

T-clippyRelevant to the Clippy team.Relevant to the Clippy team.

Status: Open.

#126029 In rust-lang/rust;

· andrewbanchich opened on Jun 5, 2024

cannot forbid <code>dead_code</code> since lint triggers for third party macros

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

T-clippyRelevant to the Clippy team.Relevant to the Clippy team.

Status: Open.

#126028 In rust-lang/rust;

· andrewbanchich opened on Jun 5, 2024

<code>&amp;T -&gt; *const T</code> or <code>&amp;mut T -&gt; *mut T</code> should be considered a use of inner fields

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.

#125435 In rust-lang/rust;

· workingjubilee opened on May 23, 2024

Allow <code>dead_code</code> lint to be configured to validate that all pub code is used within the workspace

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.

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

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.

#120079 In rust-lang/rust;

· alice-i-cecile opened on Jan 18, 2024