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

Depender (with downloads and own rev deps) dot_graph version
700 tensor-man ^0.2.3
850 redirectionio optional ^0.2.3
rudg ^0.2.0
unifier_set dev ^0.2.3