these 4 derivations will be built:
  /nix/store/49r7zmlkxcn8bn6rq2ip24yh8p6wpazb-ubuntu-24.04-server-cloudimg-amd64.img-nix-vm-test.qcow2.drv
  /nix/store/m6l8kwsi6ggk4s2ggs2cj3ypmdw6dvnj-run-vm-vm.drv
  /nix/store/arv9fmw32wvyijg2m6dv7jkwqp9l03hq-driver-configuration.json.drv
  /nix/store/k9f2gbj284b3yjd4wicb7s3sp8m4971f-test-driver.drv