Rust&#x27;s package manager doesn&#x27;t source packages from GitHub (though it will pull packages from a git repo if you ask it to), the source for its index of packages is a git repository on GitHub. <a href="https:&#x2F;&#x2F;github.com&#x2F;rust-lang&#x2F;crates.io-index" rel="nofollow">https:&#x2F;&#x2F;github.com&#x2F;rust-lang&#x2F;crates.io-index</a>