these 2 derivations will be built:
  /nix/store/vbldp6g8c645i01i7xxz15sdqdiqyj0w-amp-0.0.1791518547-g6aa292.drv
  /nix/store/b6mi1cljn4l2a9f8r5n2rc3xd69idmhz-check-amp.drv