Protecting the Rust standard library from accidental breakage

Accidental breakage can happen in any codebase . The Rust standard library isn&#x27;t magically exempt from this — so it too now uses cargo-semver-checks to prevent accidental breakage . Here&#x27;s why this took months of work by multiple Rustaceans, dozens of pull requests, and 15,000+ lines of code across the Rust repo, cargo-semver-checks , and its component libraries.