these 2 derivations will be built:
  /nix/store/lzx1pav0n3q0sjspwvwjafphn6xqsd2l-codex-acp-2.1.0.drv
  /nix/store/z2iqsa41vqbxpv5rci85pn3bz6nwndrn-check-codex-acp.drv