It's used at build time in 3 crates (of which 2 optionally, 2 directly).

Number of dependers safe_bindgen version Downloads/month
2 0.13.3 170
1 0.11.0 150
Depender (with downloads and own rev deps) safe_bindgen version
160 2 safe_app optional build ~0.13.2
safe_authenticator_ffi optional build ~0.13.2