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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
 (114 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

121 indexed issues

Open
Lint unwrap in drop impls
A-lintE-hardL-correctnessT-middlegood first issue
Why recommendedNo assignee yet · Has a beginner-friendly label
No assignee yetHas a beginner-friendly labelContributing guide available

rust-lang / rust-clippy · #1523 · Feb 8, 2017 · Rust · 10,406 stars

2 comments0 reactions0 assignees
Open
useless op on lhs of integer division or modulo
A-lintL-correctnessL-unnecessaryT-middlegood first issue
Why recommendedHas a beginner-friendly label · Contributing guide available
Has a beginner-friendly labelContributing guide available

rust-lang / rust-clippy · #1324 · Nov 7, 2016 · Rust · 10,406 stars

2 comments0 reactions1 assignee
Open
Lint: Implicit Deref
A-lintT-middlegood first issue
Why recommendedHas a beginner-friendly label · Contributing guide available
Has a beginner-friendly labelContributing guide available

rust-lang / rust-clippy · #1225 · Sep 14, 2016 · Rust · 10,406 stars

3 comments0 reactions1 assignee
Open
doc_markdown a bit too eager
S-needs-discussiongood first issue
Why recommendedNo assignee yet · Has a beginner-friendly label
No assignee yetHas a beginner-friendly labelContributing guide available

rust-lang / rust-clippy · #902 · May 5, 2016 · Rust · 10,406 stars

10 comments0 reactions0 assignees
Open
lint String::as_str()
A-lintT-middlegood first issue
Why recommendedNo assignee yet · Has a beginner-friendly label
No assignee yetHas a beginner-friendly labelContributing guide available

rust-lang / rust-clippy · #874 · Apr 23, 2016 · Rust · 10,406 stars

9 comments0 reactions0 assignees
Open
Lint x != _ || x != _
A-lintL-correctnessT-middlegood first issue
Why recommendedHas a beginner-friendly label · Contributing guide available
Has a beginner-friendly labelContributing guide available

rust-lang / rust-clippy · #853 · Apr 12, 2016 · Rust · 10,406 stars

3 comments0 reactions1 assignee
Open
Lint non-expressive variable names
A-lintL-styleT-ASTT-middlegood first issue
Why recommendedHas a beginner-friendly label · Contributing guide available
Has a beginner-friendly labelContributing guide available

rust-lang / rust-clippy · #644 · Feb 9, 2016 · Rust · 10,406 stars

8 comments0 reactions1 assignee
Open
lint: assertion-less #[test] function
A-lintL-testsT-middlegood first issue
Why recommendedHas a beginner-friendly label · Contributing guide available
Has a beginner-friendly labelContributing guide available

rust-lang / rust-clippy · #626 · Feb 6, 2016 · Rust · 10,406 stars

2 comments0 reactions1 assignee
Open
Lint `unsigned - other_unsigned > 0`
A-lintL-correctnessS-needs-discussionT-middlegood first issue
Why recommendedNo assignee yet · Has a beginner-friendly label
No assignee yetHas a beginner-friendly labelContributing guide available

rust-lang / rust-clippy · #588 · Jan 29, 2016 · Rust · 10,406 stars

5 comments0 reactions0 assignees
Open
[lint idea] dangerous transmutes
A-lintT-middlegood first issue
Why recommendedNo assignee yet · Has a beginner-friendly label
No assignee yetHas a beginner-friendly labelContributing guide available

rust-lang / rust-clippy · #546 · Jan 13, 2016 · Rust · 10,406 stars

11 comments0 reactions0 assignees
Open
Shadowing of types via Generic Parameter
A-lintgood first issue
Why recommendedHas a beginner-friendly label · Contributing guide available
Has a beginner-friendly labelContributing guide available

rust-lang / rust-clippy · #380 · Oct 12, 2015 · Rust · 10,406 stars

2 comments0 reactions1 assignee