these 3 derivations will be built:
  /nix/store/q7h5bxzf0zlw7y8ldzzc8k59y1blx0kp-droid.drv
  /nix/store/nfk165gplls52wgcadhiyxvkx94af6a1-droid-0.242.0.drv
  /nix/store/g18gj31g6zzgqsqs4b9z3jrld5b9nrky-check-droid.drv
warning: SQLite database '/nix/var/nix/db/db.sqlite' is busy