one_err is used at run time in 23 crates (of which 1 optionally, 5 directly). It's used only as a dev dependency in 1 crate.

Depender (with downloads and own rev deps) one_err version
1.7K 4 sodoken ^0.0.5
1.2K 1 hc_seed_bundle ^0.0.5
390 5 holochain_keystore ^0.0.5
300 3 holochain_state ^0.0.5
250 1 holochain ^0.0.5