clone-solana-program-error is used at run time in 97 crates (of which 8 optionally). It is a direct run-time dependency in 21 crates. It's used only as a dev dependency in 10 crates (of which 1 directly).

Depender (with downloads and own rev deps) clone-solana-program-error version
800 29 clone-solana-system-interface ^2.2.1
800 17 clone-solana-account-info ^2.2.1
750 6 clone-solana-instructions-sysvar ^2.2.1
700 7 clone-solana-program-entrypoint ^2.2.1
700 4 clone-solana-stake-interface ^2.1
700 13 clone-solana-sysvar ^2.2.1
700 6 clone-solana-cpi ^2.2.1
550 3 clone-solana-program-pack ^2.2.1
550 20 clone-solana-program ^2.2.1
350 11 clone-spl-pod ^2.2.1
320 5 clone-spl-type-length-value ^2.2.1
310 5 clone-spl-discriminator ^2.2.1
300 2 clone-spl-tlv-account-resolution ^2.2.1
290 4 clone-spl-memo ^2.2.1
280 6 clone-spl-token ^2.2.0
270 3 clone-spl-token-metadata-interface ^2.2.1
270 1 clone-spl-transfer-hook-interface ^2.2.1
240 3 clone-spl-token-group-interface ^2.2.1
550 2 clone-solana-feature-gate-interface optional ^2.2.1
clone-spl-instruction-padding ^2.2.1
agave-solana-feature-gate-interface optional ^2.2.1
600 4 clone-solana-secp256k1-program dev ^2.2.1