gtk-rs-lgpl-docs is used at run time in 1 crate. It's used at build time in 4 crates (of which 2 optionally, 2 directly).

Depender (with downloads and own rev deps) gtk-rs-lgpl-docs version
180 yayi ^0.1.18
700 2 sourceview optional build ^0.1.3
460 gmime optional build ^0.1