these 3 derivations will be built:
  /nix/store/xv5mzm3b0h3dzymfrv9qjddi1cav243h-droid.drv
  /nix/store/1nav0v98x2hl07qic0nh1zblnpw0dajh-droid-0.225.0.drv
  /nix/store/vsn39d8qc3lll2n9bi2kcxf2sqlzvkla-check-droid.drv