these 2 derivations will be built:
  /nix/store/0yrwgscj7wpinhqpa2cfzs6vn7vlnsk8-omo-ai-5.1.7.drv
  /nix/store/nh2nfb89g91xwxi20k6zjwd6zfxa0zl3-check-omo-ai.drv