these 2 derivations will be built:
  /nix/store/nzmyzmzwlmg952bz2dhi18g932r1f184-flake-inputs.drv
  /nix/store/7y42glrfh77b7skmhwrsby0d5kjb63ag-check-flake-inputs.drv
warning: SQLite database '/nix/var/nix/db/db.sqlite' is busy