these 2 derivations will be built:
  /nix/store/w6jh7g815x676xxg8phldn672izrzi53-gno-2.10.0.drv
  /nix/store/43z28irp9daxx19z6hrdiavfs6wka9pl-check-gno.drv
warning: SQLite database '/nix/var/nix/db/db.sqlite' is busy