these 2 derivations will be built:
  /nix/store/hxn8d4g57fsvxjhw076skxif9lgdicj8-codex-acp-2.1.0.drv
  /nix/store/7n5amymzly1dkwygpfq2wfyxgjghpx21-check-codex-acp.drv