these 3 derivations will be built:
  /nix/store/knsrh2al4ix0gm1jrwp4qzrb8xrq0n2m-source.drv
  /nix/store/h51b715wkz1mih6d0ryjfk3l0ji6926c-beads-viewer-0.25.2.drv
  /nix/store/psgv134qa5637cqybfrxrr45syfhgng7-check-beads-viewer.drv