these 2 derivations will be built:
  /nix/store/fyaj5943g3jxkbmx2xmrccw0igm3k03z-beads-viewer-0.25.1.drv
  /nix/store/w01gbr6lwybr0q9g8f1kggq85kghl4fr-check-beads-viewer.drv