these 4 derivations will be built:
  /nix/store/rq0jg60vnpjn8r92i68cl3fry27cfax0-ubuntu-26.04-server-cloudimg-amd64v3.img-nix-vm-test.qcow2.drv
  /nix/store/gzyrg3cvkj9dzzrx4q3jhzd3hc051khx-run-vm-vm.drv
  /nix/store/3yxrf9a0mvmhvkwzy1v39vc8zdys6md8-driver-configuration.json.drv
  /nix/store/2j071fj32ksf52k2zmk4lb910ix6nk0h-vm-test-ubuntu_26_04.drv