assimp-sys is used at run time in 10 crates (of which 7 optionally). It is a direct run-time dependency in 2 crates. It's used only as a dev dependency in 2 crates (of which 1 directly).

Depender (with downloads and own rev deps) assimp-sys version
450 5 assimp ^0.3.1
110 3 urdf-viz optional ^0.3.1
2 grr dev ^0.3