histo is used at run time in 2 crates (of which 1 optionally). It's used only as a dev dependency in 2 crates.

Number of dependers histo version Downloads/month
3 1.0.0 10K
1 0.1.0 32
Depender (with downloads and own rev deps) histo version
14K zepter optional ^1.0.0
150 polonius ^0.1.0
12K 3 mainline dev ^1.0.0
750 sequoia-chameleon-gnupg dev ^1