these 4 derivations will be built:
  /nix/store/wlg0mgw5wqffg8vxppzrswyp11d2wiqf-ubuntu-22.04-server-cloudimg-amd64.img-nix-vm-test.qcow2.drv
  /nix/store/ybwzf7dpg155nycb0c4nfzdgyd025d2p-run-vm-vm.drv
  /nix/store/5r9xyg2lpdg9psg6qas05jfy8gjwrglm-driver-configuration.json.drv
  /nix/store/j5r1rnyrv09kkx8fc0q7xr3q6rpl24id-vm-test-ubuntu_22_04.drv