http-zipkin is used at run time in 7 crates. It is a direct run-time dependency in 4 crates.

Depender (with downloads and own rev deps) http-zipkin version
12K 1 conjure-runtime-rustls-platform-verifier ^1.0
1.5K 3 conjure-runtime ^1.0
700 conjure-runtime-raw ^1.0
witchcraft-server ^1.0