alt_serde_derive is used at run time in 3 crates (of which 1 optionally). It is a direct run-time dependency in 2 crates. It's used only as a dev dependency in 1 crate.

Depender (with downloads and own rev deps) alt_serde_derive version
alt_cargo_metadata ^1.0.79
360 4 alt_serde optional =1.0.119
100 1 alt_serde_json dev ^1.0