these 3 derivations will be built:
  /nix/store/vs0c318lisybnws6vs33nqcyyh5065j6-droid.drv
  /nix/store/vmh4l96pddvw282hjkqyh1qz8110xwwk-droid-1.9.0.drv
  /nix/store/5b304ahlg48h9hg31v86jd2x2k86x97r-check-droid.drv