It's used only as a dev dependency in 9 crates.

Depender (with downloads and own rev deps) heim-derive version
600 7 heim dev ^0.0.10
600 2 heim-host dev ^0.0.10
450 2 heim-cpu dev ^0.0.10
410 1 heim-virt dev ^0.0.10
400 2 heim-net dev ^0.0.10
300 1 heim-process dev ^0.0.10
290 1 heim-disk dev ^0.0.10
270 1 heim-memory dev ^0.0.10
190 1 heim-sensors dev ^0.0.10