these 4 derivations will be built:
  /nix/store/jli9qfyyk3gwjh2757bcp1wk62ackjac-ubuntu-23.04-server-cloudimg-amd64.img-nix-vm-test.qcow2.drv
  /nix/store/mdd05lzvrp1b8jhkaqv22ig6724anx6y-run-vm-vm.drv
  /nix/store/n05ig1x7vc4f2y392v7z71id30091njn-driver-configuration.json.drv
  /nix/store/4ni4mwmj749sibd7f7wc87x2anfxn8js-vm-test-ubuntu_23_04.drv