rust-lang/rustfmt
Grade a repo

90

/ 100

GradeA

A well-known project done right. Strong docs and solid engineering throughout.

Top 12% of 5,156 graded repos

Format Rust code

Documentation95
Engineering85
Health97
Rust6,891Apache-2.01mo ago

Top fixes

Highest-impact changes first, ranked by point weight

11 to address
  1. 1
    CI/CD14pt

    Add a step like `run: npm test`, `run: pytest`, or `run: tox` to your workflow file.

  2. 2
    CI/CD14pt

    Add a lint step to catch style issues automatically.

  3. 3
    CI/CD14pt

    Add `tsc --noEmit`, `mypy`, or `cargo check` to catch type errors before they merge.

  4. 4
    CI/CD14pt

    Upload coverage to Codecov, Coveralls, or report it with `--coverage` flags.

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Scorecard

Every check, grouped by category and sorted worst-first

Documentation

95

Contributing guide5pt85

Contributing guide is detailed and thorough.

Install and run instructions9pt90

README documents how to install the project.

README12pt100

README is present.

License6pt100

Licensed under Apache-2.0.

Engineering

85

CI/CD14pt57

CI is configured (.github/workflows/check_diff.yml).

Reproducibility6pt75

Lockfile present (Cargo.lock). Installs are reproducible.

Tests18pt100

Test files detected (check_diff/tests).

Linting and formatting5pt100

Rust linting configured (.editorconfig).

Issue and PR templates6pt100

Issue or PR templates present.

Project health

97

Dependency manifest6pt90

Dependency manifest found (Cargo.toml).

Repository metadata5pt100

Repository has a description.

Activity5pt100

Actively maintained (pushed within the last month).

Housekeeping3pt100

.gitignore present.

Repository health signals

Activity, community, and responsiveness at scan time

Activity

  • 7 / 31
    Commits (30d / 90d)
  • 1,018
    Forks
  • 47
    Releaseslatest 6y ago

Community

  • 87% - Good
    Community health
  • 3 bus factor
    authors own >50% of commits
  • 6,891
    Watchers

Responsiveness

  • 65d 14h
    Median issue response
  • 3h
    Median PR merge time
  • 942
    Open issues
Repository files30 root entries
  • .github
    Good: CI is configured (.github/workflows/check_diff.yml).
    Good: Issue or PR templates present.
  • check_diff
    Good: Test files detected (check_diff/tests).
  • ci
  • config_proc_macro
  • docs
  • src
  • tests
  • .editorconfig
    Good: Rust linting configured (.editorconfig).
  • .gitattributes
  • .gitignore
    Good: .gitignore present.
  • atom.md
  • bootstrap.sh
  • build.rs
  • Cargo.lock
    Good: Lockfile present (Cargo.lock). Installs are reproducible.
  • Cargo.toml
    Good: Dependency manifest found (Cargo.toml).
  • CHANGELOG.md
  • CODE_OF_CONDUCT.md
    Good: Code of conduct present.
  • Configurations.md
  • Contributing.md
    Good: Contributing guide is detailed and thorough.
    Issue: Contributing guide lacks a setup section (−12 pts).Fix: Show new contributors how to get a local dev environment running.
    Good: Contributing guide describes code style expectations.
    Good: Contributing guide explains how to run tests.
    Issue: Contributing guide lacks a PR workflow section (−8 pts).Fix: Explain how to fork, branch, and open a pull request so contributors know what to expect.
    Good: Contributing guide includes code examples.
  • Design.md
  • intellij.md
  • LICENSE-APACHE
  • LICENSE-MIT
  • Makefile.toml
  • Processes.md
  • README.md
    Good: README is present.
    Good: README is well structured with multiple sections.
    Good: README includes screenshots or visuals. Great for first impressions.
    Good: README has code examples.
    Good: README links to a live demo or deployed app.
    Good: README includes status badges.
    Good: README documents how to install the project.
    Good: README documents how to run the project.
  • rust-toolchain
  • rustfmt.toml
  • Subtree sync procedure.md
  • triagebot.toml
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