rustc-workspace-hack is used at run time in 85 crates (of which 10 optionally). It is a direct run-time dependency in 3 crates. It's used at build time in 2 crates (). It's used only as a dev dependency in 4 crates (of which 1 directly).

Depender (with downloads and own rev deps) rustc-workspace-hack version
370 10 rustfmt-nightly ^1.0.0
cargo-semverver ^1.0.0
vkcargo ^1.0.0
substrace dev ^1.0