socketpair is used at run time in 9 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
161K 8 system-interface optional ^0.19.0
2.4K 3 rustdds ^0.19
250 7 duplex optional ^0.19.0
150 2 io-streams optional ^0.19.0
14K 7 selinux dev ^0.19