socketpair is used at run time in 12 crates (of which 2 optionally). It is a direct run-time dependency in 4 crates. It's used only as a dev dependency in 2 crates.

Depender (with downloads and own rev deps) socketpair version
172K 9 system-interface optional ^0.19.0
3.8K 2 rustdds ^0.19
190 7 duplex optional ^0.19.0
110 2 io-streams optional ^0.19.0
21K 7 selinux dev ^0.19
100 arti-rpc-client-core dev ^0.19