these 4 derivations will be built:
  /nix/store/qn5f5iy64n1yi7m26g2zpy9hn9sm5df6-ubuntu-23.04-server-cloudimg-amd64.img-nix-vm-test.qcow2.drv
  /nix/store/jyfcj742kz0vfzw9cma7rgfda52myinz-run-vm-vm.drv
  /nix/store/icljrvr8rpkyqyby8p1ccj50zhngz7h9-driver-configuration.json.drv
  /nix/store/7an806al33pj945b0g7j2z4w59ssxpxq-vm-test-ubuntu_23_04.drv