range-traits is used at run time in 165 crates (of which 8 optionally). It is a direct run-time dependency in 2 crates. It's used only as a dev dependency in 1 crate.

Depender (with downloads and own rev deps) range-traits version
365K 6 btree-range-map ^0.3.0
1 iregex-automata ^0.3.2