clone-solana-epoch-rewards is used at run time in 53 crates (of which 3 optionally). It is a direct run-time dependency in 5 crates. It's used only as a dev dependency in 9 crates.

Depender (with downloads and own rev deps) clone-solana-epoch-rewards version
210 13 clone-solana-sysvar ^2.2.1
200 19 clone-solana-program ^2.2.1
180 14 clone-solana-program-runtime ^2.2.1
320 5 clone-solana-stake-program dev ^2.2.1
170 6 clone-solana-bpf-loader-program dev ^2.2.1