mavlink-message-definitions is used at run time in 2 crates (of which 1 optionally). It is a direct run-time dependency in 1 crate. It's used at build time in 1 crate.

Depender (with downloads and own rev deps) mavlink-message-definitions version
170 1 mavlink-dialects build ^0.6.1
750 2 mavspec optional ^0.6.1