these 4 derivations will be built:
  /nix/store/swf0068qmar3n5dbdgmvmasl10nhd6sk-ubuntu-23.04-server-cloudimg-amd64.img-nix-vm-test.qcow2.drv
  /nix/store/pk2v76wybqkmcww1h01v42s62n9yzni2-run-vm-vm.drv
  /nix/store/s12dzfj2ivgp35yab3hrlkgcp94b6az7-driver-configuration.json.drv
  /nix/store/2lgaiq6n7d9hky25hhwk2zk02f82fhc6-vm-test-ubuntu_23_04.drv