clone-solana-msg is used at run time in 9 crates (of which 2 optionally). It is a direct run-time dependency in 3 crates. It's used only as a dev dependency in 1 crate.

Depender (with downloads and own rev deps) clone-solana-msg version
5 clone-solana-program-error ^2.2.1
clone-solana-program-entrypoint ^2.2.1
3 clone-solana-system-interface ^2.2.1