It's used only as a dev dependency in 14 crates.

Depender (with downloads and own rev deps) TestingLogger version
225K 28 inferno dev ^0.1.1
145K 334 mockito dev ^0.1
36K 5 pep508_rs dev ^0.1.1
1.2K aya-log dev ^0.1.1
1.2K 3 skip_error dev ^0.1
410 eccodes dev ^0.1
110 1 transit_model dev ^0.1
navitia-poi-model dev ^0.1
4 typed_index_collection dev ^0.1
1 schematools dev ^0.1.1
ego dev ^0.1.1
aya-log-nightly dev ^0.1.1
1 actix-telepathy dev ^0.1.1
cli-kneeboard dev ^0.1.1