This post is coauthored by Tomasz Nowak and Predrag Gruevski. It describes work the two of us did together with Bartosz Smolarczyk, Michał Staniewski, and Mieszko Grodzicki. Anecdotally, cargo-semver-checks is a helpful tool for preventing the semver violations that every so often cause ecosystem-wide pain. This is why it earned a spot in the CI pipelines of key Rust crates like tokio, and also why the cargo team hopes to integrate it into cargo itself. While anedotal evidence is nice, we wa...
