these 4 derivations will be built:
  /nix/store/30gm9md260ymr773cbr5m5j7nyi3dhy2-ubuntu-23.04-server-cloudimg-amd64.img-nix-vm-test.qcow2.drv
  /nix/store/sgrr1cpj4an624ldq25b7mf9wz35gs4v-run-vm-vm.drv
  /nix/store/21abqhwrk0sxyv3wszapvhq5qd4djjyk-driver-configuration.json.drv
  /nix/store/8vv8piz280c6wgz6cgzldgdm0b55c1ra-vm-test-ubuntu_23_04.drv