It's used at build time in 10 crates.

Depender (with downloads and own rev deps) vergen-git2 version
8.7K wallust build ^1.0
650 rainfrog build ^1.0.0
340 fibertools-rs build ^1.0.2
140 cres build ^1.0
120 rsonpath build ^1.0.1
arcam build ^1.0.0
av1an build ^1.0.0
openapi-tui build ^1.0.0
termscp build ^1
gerust build ^1.0.2