Etc is used at run time in 13 crates. It's used only as a dev dependency in 2 crates (of which 1 directly).

Depender (with downloads and own rev deps) Etc version
170 gcli ^0.1.18
1 elvis-backend ^0.1.8
1 zint ^0.1.16
1 elko ^0.1.16
darwinia-bridger ^0.1.11
ceres-cli ^0.1.16
inkpad-cli ^0.1.16
cydonia ^0.1.18
inkpad ^0.1.16
darwinia-shadow ^0.1.7
epm ^0.1.8
sup ^0.1.16
4 zinkc dev ^0.1.16