these 2 derivations will be built:
  /nix/store/g8xs18l3hl8i3blbfd2fn2xcf0lsrnzj-codex-acp-2.0.1.drv
  /nix/store/gx7a29wz081fppjqxm0hs2mq55qs3k3a-check-codex-acp.drv