these 2 derivations will be built:
  /nix/store/d2af91ma28zhc7dm3fsi4m5jsydbjdg3-flake-inputs.drv
  /nix/store/zh5cn587k4zca5vfvksdqlgsgmqyf4q2-check-flake-inputs.drv
warning: SQLite database '/nix/var/nix/db/db.sqlite' is busy