these 2 derivations will be built:
  /nix/store/hd1yll2ahqrcdf6ra13axjac99gciwh5-droid-0.234.0.drv
  /nix/store/8rbyqiakrwh9xr7lhpmavklg4cg5wxrr-check-droid.drv
warning: SQLite database '/nix/var/nix/db/db.sqlite' is busy
warning: SQLite database '/nix/var/nix/db/db.sqlite' is busy