these 2 derivations will be built:
  /nix/store/kx3cfcw4xpicc0yhdq1vl6q48rfjmp9h-t3code-0.1.2.drv
  /nix/store/wha1x3jmlqjqwvfadv4lfbpwwb704vf0-check-t3code.drv