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

Depender (with downloads and own rev deps) heim-derive version
1.1K 2 heim-cpu dev ^0.0.10
650 8 heim dev ^0.0.10
340 2 heim-host dev ^0.0.10
300 1 heim-disk dev ^0.0.10
260 1 heim-memory dev ^0.0.10
130 2 heim-net dev ^0.0.10
1 heim-sensors dev ^0.0.10
1 heim-process dev ^0.0.10
1 heim-virt dev ^0.0.10