these 2 derivations will be built:
  /nix/store/2ix7h1946n4wikclsqjn3wnk01z4i9hn-flake-inputs.drv
  /nix/store/pa8bjmz77w3mwr18jfa6c63pplpnpm8f-check-flake-inputs.drv
warning: SQLite database '/nix/var/nix/db/db.sqlite' is busy