rust-lang/rust
Grade a repo

82

/ 100

GradeB

Industry-defining adoption. A few engineering gaps, but the community carries it.

Top 24% of 5,156 graded repos

Empowering everyone to build reliable and efficient software.

Documentation69
Engineering93
Health86
Rust114,255Apache-2.01mo ago

Top fixes

Highest-impact changes first, ranked by point weight

19 to address
  1. 1
    CI/CD14pt

    Add a lint step to catch style issues automatically.

  2. 2
    CI/CD14pt

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

  3. 3
    CI/CD14pt

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

  4. 4
    README12pt

    Show a quick-start snippet so contributors can see what using your project looks like.

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Scorecard

Every check, grouped by category and sorted worst-first

Documentation

69

Install and run instructions9pt45

README documents how to install the project.

Contributing guide5pt58

Contributing guide is too short for full depth credit (−6 pts). 400+ words earns the full +12 pts.

→ Add setup instructions, code style notes, and how to run tests.

README12pt75

This repository is large enough that GitHub truncated the file tree. The scan is based on a partial file list, so some checks may under-report.

License6pt100

Licensed under Apache-2.0.

Engineering

93

Reproducibility6pt80

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

CI/CD14pt85

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

Tests18pt100

Test files detected (compiler/rustc_codegen_gcc/tests).

Linting and formatting5pt100

Linter or formatter configured (.editorconfig).

Issue and PR templates6pt100

Issue or PR templates present.

Project health

86

Dependency manifest6pt55

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

  • 1595 / 7165
    Commits (30d / 90d)
  • 15,008
    Forks
  • 150
    Releaseslatest 12y ago

Community

  • 87% - Good
    Community health
  • 12 bus factor
    authors own >50% of commits
  • 114,255
    Watchers

Responsiveness

  • 218d 6h
    Median issue response
  • <1h
    Median PR merge time
  • 12,563
    Open issues
Repository files31 root entries
  • .github
    Good: CI is configured (.github/workflows/ci.yml).
    Good: Issue or PR templates present.
  • compiler
    Good: Test files detected (compiler/rustc_codegen_gcc/tests).
  • library
    Good: Licensed under Apache-2.0.
    Good: Environment pinned via library/compiler-builtins/ci/docker/aarch64-unknown-linux-gnu/Dockerfile.
  • LICENSES
  • src
    Good: Security policy present.
  • tests
  • .clang-format
  • .editorconfig
    Good: Linter or formatter configured (.editorconfig).
  • .git-blame-ignore-revs
  • .gitattributes
  • .gitignore
    Good: .gitignore present.
  • .gitmodules
  • .ignore
  • .mailmap
  • bootstrap.example.toml
  • Cargo.lock
    Good: Lockfile present (Cargo.lock). Installs are reproducible.
  • Cargo.toml
    Good: Dependency manifest found (Cargo.toml).
  • CODE_OF_CONDUCT.md
    Good: Code of conduct present.
  • configure
  • CONTRIBUTING.md
    Issue: Contributing guide is too short for full depth credit (−6 pts). 400+ words earns the full +12 pts.Fix: Add setup instructions, code style notes, and how to run tests.
    Issue: Contributing guide lacks a setup section (−12 pts).Fix: Show new contributors how to get a local dev environment running.
    Issue: Contributing guide lacks a code style section (−8 pts).Fix: Describe your linting/formatting rules and how to run them.
    Issue: Contributing guide lacks a testing section (−8 pts).Fix: Show contributors how to run the test suite (e.g. npm test, pytest, cargo test).
    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.
    Issue: Contributing guide has no code examples (−5 pts).Fix: Add code blocks showing example commands for setup, running tests, and submitting a PR.
  • COPYRIGHT
  • INSTALL.md
  • LICENSE-APACHE
  • license-metadata.json
  • LICENSE-MIT
  • package.json
  • README.md
    Good: README is present.
    Good: README is well structured with multiple sections.
    Good: README includes screenshots or visuals. Great for first impressions.
    Issue: README has no code examples (−15 pts).Fix: Show a quick-start snippet so contributors can see what using your project looks like.
    Good: README links to a live demo or deployed app.
    Issue: No status badges in the README (−10 pts).Fix: Add CI/build status badges from shields.io or your CI provider to signal project health.
    Good: README documents how to install the project.
    Issue: No run or usage instructions found (−45 pts).Fix: Add a section showing how to start or use the project.
  • RELEASES.md
  • REUSE.toml
  • rust-bors.toml
  • rustfmt.toml
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