rustc-cfg is used at run time in 13 crates. It is a direct run-time dependency in 4 crates. It's used at build time in 10 crates (of which 1 optionally, 3 directly). It's used only as a dev dependency in 4 crates.

Number of dependers rustc-cfg version Downloads/month
8 0.5.0 5.1K
12 0.4.0 25K
1 0.3.0 15
6 0.2.0 260
Depender (with downloads and own rev deps) rustc-cfg version
31K 3 cargo-binutils ^0.4
6.1K 1 cargo-wix ^0.5
850 6 cargo-project ^0.5.0
150 6 ramp build ^0.4
compiler-builtins-snapshot build ^0.3.0
1 framp build ^0.2
rust_numerical_lib ^0.4.0