these 3 derivations will be built:
  /nix/store/6m49a0a9h6x6cmqcwpxcmibgva7mikr4-source.drv
  /nix/store/gqkjddn1k0crgshz6j5qrcgkyqc4ksfg-beads-viewer-0.26.0.drv
  /nix/store/b15y93yfwdb5virl8j89s0ddknja5149-check-beads-viewer.drv