these 4 derivations will be built:
  /nix/store/f8plzdririp79k6mlkg09fqssna3c8ih-ubuntu-22.04-server-cloudimg-amd64.img-nix-vm-test.qcow2.drv
  /nix/store/kcmqd5s6fcapr18b2zjryqdv2if50q8b-run-vm-vm.drv
  /nix/store/ix33inlm027r2zpifvm13570vh3hrzl5-driver-configuration.json.drv
  /nix/store/w8ryrb02a24f2ybwd88vl6ywjfwqa5gn-test-driver.drv