these 4 derivations will be built:
  /nix/store/3gfcxdn69yl6na8nvzb355fpc0737dp6-ubuntu-22.04-server-cloudimg-amd64.img-nix-vm-test.qcow2.drv
  /nix/store/gn7mq6pv1z9f842560vyjj77sx8hi32s-run-vm-vm.drv
  /nix/store/zsyrs1bir318p5cfxz6kpjvkgw4hjmxz-driver-configuration.json.drv
  /nix/store/dkxx2bhdfhfmf4brp6mkfhq8s334ajkw-vm-test-ubuntu_22_04.drv