these 4 derivations will be built:
  /nix/store/x8m9sa7fz3cz1vy6292xy8qn34g7g2g1-ubuntu-26.04-server-cloudimg-amd64v3.img-nix-vm-test.qcow2.drv
  /nix/store/jl424vma0c49h86g60pfzq8ws8p7l8bh-run-vm-vm.drv
  /nix/store/2pqz2z40vqgffcjcqrag4n7nhwi9g2xm-driver-configuration.json.drv
  /nix/store/yy3crz27j248rj6x68nay18mlnbgn8mz-vm-test-ubuntu_26_04.drv