It's used at build time in 42 crates (of which 9 optionally, 12 directly). It's used only as a dev dependency in 3 crates (of which 1 directly).

Depender (with downloads and own rev deps) build-deps version
3.4K 3 oqs-sys build ^0.1
850 1 teehistorian-replayer build ^0.1.4
130 1 safe-oqs-sys build ^0.1
10 cpclib-asm build ^0.1.4
loxcraft build ^0.1.4
1 cpclib-basm build ^0.1.4
1 cpclib-bndbuild build ^0.1.4
1 smartnoise_validator build ^0.1.4
1 rectangle-device-player build ^0.1.4
1 whitenoise_validator build ^0.1.4
1 bandsocks build ^0.1
bandsocks-runtime build ^0.1.4
include_proto_dir dev ^0.1