RustFlags is used at run time in 9 crates (of which 1 optionally). It is a direct run-time dependency in 3 crates. It's used at build time in 4 crates (2 directly).

Depender (with downloads and own rev deps) RustFlags version
72K 3 cargo-zigbuild ^0.1.6
3.0K 2 mountpoint-s3-crt-sys build ^0.1.1
1.3K rsonpath build ^0.1.4
360 rustcbuildx ^0, >=0.1
cargo-green ^0, >=0.1