fastobo is used at run time in 6 crates (of which 1 optionally). It is a direct run-time dependency in 5 crates. It's used only as a dev dependency in 1 crate.

Depender (with downloads and own rev deps) fastobo version
1.0K 2 dihardts_omicstools ^0.15.2
700 viguno ^0.15.2
650 fastobo-owl ^0.15.4
700 1 fastobo-graphs optional ^0.15.3
fastobo-validator ^0.15.0