It's used only as a dev dependency in 8 crates.

Depender (with downloads and own rev deps) stream_assert version
4.8K 5 eyeball dev ^0.1.0
4.8K 5 eyeball-im dev ^0.1.0
2.9K 1 eyeball-im-util dev ^0.1.0
2.6K 1 async-rx dev ^0.1.0
1.5K 8 matrix-sdk-base dev ^0.1.1
1.5K 5 matrix-sdk-crypto dev ^0.1.1
1.4K 30 matrix-sdk dev ^0.1.1
130 matrix-sdk-ui dev ^0.1.1