these 2 derivations will be built:
  /nix/store/4bl4r85zf2c6wvi7fq0w49v2qjab6vw7-opencode2-2.2.0.drv
  /nix/store/8sfhrhzmkxsayf0f1znqp9459yb2fgip-check-opencode2.drv