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

Depender (with downloads and own rev deps) heim-derive version
850 7 heim dev ^0.0.10
550 2 heim-host dev ^0.0.10
450 2 heim-cpu dev ^0.0.10
330 1 heim-memory dev ^0.0.10
290 1 heim-sensors dev ^0.0.10
190 2 heim-net dev ^0.0.10
170 1 heim-disk dev ^0.0.10
130 1 heim-process dev ^0.0.10
110 1 heim-virt dev ^0.0.10