It's used only as a dev dependency in 8 crates.

Depender (with downloads and own rev deps) TestDrop version
32K 3 inplace-vec-builder dev ^0.1.2
25K 8 range-collections dev ^0.1.2
7.5K 2 second-stack dev ^0.1.2
6.0K 8 vec-collections dev ^0.1.2
130 2 signalo_filters dev ^0.1.2
chunk_iter dev ^0.1.2
soa-vec dev ^0.1.2
1 fera-array dev ^0.1