these 4 derivations will be built:
  /nix/store/3v9jrza6lkm78x4pl7x9p87765ph3c3a-ubuntu-22.04-server-cloudimg-amd64.img-nix-vm-test.qcow2.drv
  /nix/store/d9zn6pj1lgz6bk2z38k8varfh043qgc9-run-vm-vm.drv
  /nix/store/6mj6js7nxynr6gdv9dga29wj3imyb6v7-driver-configuration.json.drv
  /nix/store/gsarccmvnw4p71wk9j5fdr2phygkn7vb-vm-test-ubuntu_22_04.drv