these 2 derivations will be built:
  /nix/store/y83isa4fj0k9higyhhqlzbimil5r5cbc-flake-inputs.drv
  /nix/store/gvsr1qs96xk8x6ibnhb4fjalhvqz9qgz-check-flake-inputs.drv
warning: SQLite database '/nix/var/nix/db/db.sqlite' is busy