socketpair is used at run time in 8 crates (of which 2 optionally). It is a direct run-time dependency in 4 crates. It's used only as a dev dependency in 1 crate.

Depender (with downloads and own rev deps) socketpair version
119K 8 system-interface optional ^0.19.0
600 2 rustdds ^0.19
250 7 duplex optional ^0.19.0
200 2 io-streams optional ^0.19.0
17K 6 selinux dev ^0.19