It's used at build time in 44 crates (of which 10 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
4.2K 3 oqs-sys build ^0.1
430 1 teehistorian-replayer build ^0.1.4
270 1 safe-oqs-sys build ^0.1
180 10 cpclib-asm build ^0.1.4
120 1 cpclib-bndbuild build ^0.1.4
110 2 cpclib-basm build ^0.1.4
1 rectangle-device-player build ^0.1.4
1 smartnoise_validator build ^0.1.4
1 whitenoise_validator build ^0.1.4
loxcraft build ^0.1.4
1 bandsocks build ^0.1
bandsocks-runtime build ^0.1.4
include_proto_dir dev ^0.1