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rust-lang/rust-clippy

A bunch of lints to catch common mistakes and improve your Rust code. Book: https://doc.rust-lang.org/clippy/

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 (10,406 stars)
Forks
 (1,391 forks)
Indexed issues
 (121 indexed issues)
open beginner issues
 (115 open beginner issues)
Latest indexed
Jun 11, 2026
Last GitHub push
Jan 27, 2024
License
Apache License 2.0
Contributing guide
Contributing guide
Code of conduct
Code of conduct
Dominant language
Rust
PR merge metrics
 (Avg merge 19d 22h) (113 merged PRs in 30d)
Beginner labels
good first issue

Issues

117 open indexed issues

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Open
Lint for unused empty function value
C-bugI-false-negativegood first issue

rust-lang/rust-clippy #15,957 opened Oct 26, 2025 · Rust · 10,406 stars

Why recommendedHas a beginner-friendly label · Contributing guide available
Has a beginner-friendly labelContributing guide available
10 comments0 reactions1 assignee
Open
Lint for .clone().into_boxed_str()
A-lintgood first issue

rust-lang/rust-clippy #15,951 opened Oct 25, 2025 · Rust · 10,406 stars

Why recommendedHas a beginner-friendly label · Contributing guide available
Has a beginner-friendly labelContributing guide available
4 comments0 reactions1 assignee
Open
Move `excessive_nesting` to `pedantic`
A-categorygood first issue

rust-lang/rust-clippy #14,923 opened May 30, 2025 · Rust · 10,406 stars

Why recommendedHas a beginner-friendly label · Contributing guide available
Has a beginner-friendly labelContributing guide available
3 comments0 reactions1 assignee
Open
Deny `static mut` declarations entirely
A-lintgood first issue

rust-lang/rust-clippy #12,896 opened Jun 6, 2024 · Rust · 10,406 stars

Why recommendedHas a beginner-friendly label · Contributing guide available
Has a beginner-friendly labelContributing guide available
13 comments3 reactions1 assignee