these 4 derivations will be built:
  /nix/store/rbwfy5850bbf6awgv329gscp82ifam80-ubuntu-22.04-server-cloudimg-amd64.img-nix-vm-test.qcow2.drv
  /nix/store/sbl5vabsgb56q49iixbcqvvfgczli41c-run-vm-vm.drv
  /nix/store/cnnxxgp025dqmc0n2nvvvbjgs7ggdim5-driver-configuration.json.drv
  /nix/store/llb92x1050vayvyhg6qqgq4igf40i9g3-vm-test-ubuntu_22_04.drv