Cordyceps is used at run time in 167 crates (of which 18 optionally). It is a direct run-time dependency in 2 crates. It's used at build time in 1 crate (). It's used only as a dev dependency in 8 crates.

Depender (with downloads and own rev deps) Cordyceps version
150K 14 futures-buffered ^0.3.2
2.2K 3 maitake-sync ^0.3.0