these 2 derivations will be built:
  /nix/store/xgzhfbw8pnaahxfqy87bf1hfdqf770ki-droid.drv
  /nix/store/1glq3isp0imfpw5hj641zqnr7f6k7ma4-droid-0.208.0.drv
warning: SQLite database '/nix/var/nix/db/db.sqlite' is busy