Zipkin is used at run time in 5 crates. It's used only as a dev dependency in 1 crate.

Number of dependers Zipkin version Downloads/month
4 0.4.2 220
2 0.3.5 0
Depender (with downloads and own rev deps) Zipkin version
170 2 http-zipkin ^0.4
1 conjure-runtime ^0.4
1 witchcraft-server ^0.4
futures-zipkin ^0.3.0
hyper-zipkin ^0.3.0