err-context is used at run time in 8 crates. It is a direct run-time dependency in 6 crates.

Depender (with downloads and own rev deps) err-context version
7 spirit ~0.1
2 spirit-tokio ^0.1
1 spirit-hyper ^0.1
spirit-reqwest ^0.1
spirit-dipstick ~0.1
1 spirit-daemonize ~0.1