these 2 derivations will be built:
  /nix/store/0nm5pzzbh9k1xgkj7bz0hh5l9n2c2p76-flake-inputs.drv
  /nix/store/d1cpvxqr881sjg219225195zd6wihkj5-check-flake-inputs.drv
warning: SQLite database '/nix/var/nix/db/db.sqlite' is busy