these 4 derivations will be built:
  /nix/store/qmw4bxxgph9ainw2qm0mrn70v8plc3l6-ubuntu-26.04-server-cloudimg-amd64v3.img-nix-vm-test.qcow2.drv
  /nix/store/6bpaysmi378wc711w83xzxsnx49kh8d1-run-vm-vm.drv
  /nix/store/idla1m6z0l6snd2c7lfdgh8pxzfh2nb4-driver-configuration.json.drv
  /nix/store/m8bb699250ysfz826n1kvr9pvzd1xzih-vm-test-ubuntu_26_04.drv