clone-solana-sysvar-id is used at run time in 15 crates (of which 8 optionally). It is a direct run-time dependency in 11 crates. It's used only as a dev dependency in 4 crates.

Depender (with downloads and own rev deps) clone-solana-sysvar-id version
5 clone-solana-instructions-sysvar ^2.2.1
2 clone-solana-program ^2.2.1
2 clone-solana-stake-interface ^2.1
4 clone-solana-sysvar ^2.2.1
13 clone-solana-clock optional ^2.2.1
2 clone-solana-epoch-rewards optional ^2.2.1
7 clone-solana-epoch-schedule optional ^2.2.1
2 clone-solana-last-restart-slot optional ^2.2.1
3 clone-solana-slot-hashes optional ^2.2.1
8 clone-solana-rent optional ^2.2.1
2 clone-solana-slot-history optional ^2.2.1