these 5 derivations will be built:
  /nix/store/d2sa9p68izxc89svk2xgh341gl1yr811-closure-info.drv
  /nix/store/ag36kqnyi9v6lj6v4rc166p405kfkcx0-run-nixos-vm.drv
  /nix/store/xjvl3rwmqkqa7cyi07n14mfnacanswkm-nixos-vm.drv
  /nix/store/xll75jsj3npha6w3367ap918d2s3aicw-nixos-test-driver-site.drv
  /nix/store/z8vqf9zi7mha4yif5gqyqx8209mhds4j-vm-test-run-site.drv