cuda-runtime-sys is used at run time in 4 crates (of which 2 optionally). It's used only as a dev dependency in 1 crate.

Depender (with downloads and own rev deps) cuda-runtime-sys version
nncombinator ^0.3.0-alpha.1
af-cuda-interop ^0.3.0-alpha.1
130 1 mwa_hyperbeam optional ^0.3.0-alpha.1
mwa_hyperdrive optional ^0.3.0-alpha.1
npp-rs dev ^0.3.0-alpha.1