crossbeam-rs/crossbeam
Grade a repo

81

/ 100

GradeB

Good community traction and solid fundamentals. Nearly in the top tier.

Top 30% of 5,156 graded repos

Tools for concurrent programming in Rust

Documentation85
Engineering71
Health98
Rust8,503Apache-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 `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
    Install and run instructions9pt

    Add a .env.example listing all required environment variables so contributors know what to set up.

Working through the fixes? Let every push regrade itself.

The free GitHub App rescans this repo on every push and posts the grade as a commit check, so the score climbs without coming back to rescan by hand.

Install the GitHub App

Scorecard

Every check, grouped by category and sorted worst-first

Documentation

85

Contributing guide5pt25

Contributing guidance is in the README, not a dedicated CONTRIBUTING.md (−20 pts).

→ Moving it to a CONTRIBUTING.md makes it easier to find and keeps the README focused. A dedicated file earns +47 pts base.

Install and run instructions9pt90

README documents how to install the project.

README12pt100

README is present.

License6pt100

Licensed under Apache-2.0.

Engineering

71

Issue and PR templates6pt0

No issue or PR templates found (−100 pts).

→ Add .github/ISSUE_TEMPLATE/ with bug_report.md and feature_request.md to guide contributors. It dramatically improves issue quality.

Reproducibility6pt25

No Cargo.lock found (−70 pts). Rust binary/application crates should commit Cargo.lock.

→ Run `cargo build` and commit the resulting Cargo.lock file.

CI/CD14pt72

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

Tests18pt100

Test files detected (crossbeam-channel/tests).

Linting and formatting5pt100

Rust linting configured (.editorconfig, cargo fmt in CI).

Project health

98

Dependency manifest6pt95

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

  • 5 / 13
    Commits (30d / 90d)
  • 558
    Forks
  • 81
    Releaseslatest 5y ago

Community

  • 62% - Fair
    Community health
  • 2 bus factor
    authors own >50% of commits
  • 8,503
    Watchers

Responsiveness

  • 1d 15h
    Median issue response
  • 1d 1h
    Median PR merge time
  • 154
    Open issues
Repository files24 root entries
  • .github
    Good: CI is configured (.github/workflows/ci.yml).
    Good: Dependabot covers 2 ecosystems (cargo, github-actions). Dependencies stay current.
  • ci
  • crossbeam-channel
    Good: Test files detected (crossbeam-channel/tests).
  • crossbeam-deque
  • crossbeam-epoch
  • crossbeam-queue
  • crossbeam-skiplist
  • crossbeam-utils
  • src
  • tests
  • tools
  • .clippy.toml
  • .editorconfig
    Good: Rust linting configured (.editorconfig, cargo fmt in CI).
  • .gitignore
    Good: .gitignore present.
  • .rustfmt.toml
  • .shellcheckrc
  • .taplo.toml
  • build-common.rs
  • Cargo.toml
    Good: Dependency manifest found (Cargo.toml).
  • CHANGELOG.md
  • LICENSE-APACHE
  • LICENSE-MIT
  • no_atomic.rs
  • 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.
RepoGrade badge preview

Add this badge to your README

It updates automatically each time the repo is re-graded.

[![RepoGrade](https://www.repo-grade.com/api/badge/crossbeam-rs/crossbeam)](https://www.repo-grade.com/report/crossbeam-rs/crossbeam)

More graded Rust repos