these 3 derivations will be built:
  /nix/store/cszw4x0bxpnlqrl5ndzvd9k9ml774wwr-droid.drv
  /nix/store/jcv9l29hy1ddyp4hngy09msvscpi3j1c-droid-0.244.0.drv
  /nix/store/gch4qbrn14rjl9vhjc8nqqg6mgai5jzz-check-droid.drv