these 4 derivations will be built:
  /nix/store/axz36m4a2pgw7dln8llwqahfqdml0rwz-nixos-vm.drv
  /nix/store/fpws13k4aqlln96rw72g0a5qnhpy5qd9-driverConfiguration.json.drv
  /nix/store/g1wysb4hvivyz7if2lcnjrv1jd1x6qcf-nixos-test-driver-ncps.drv
  /nix/store/ahmf0kmar2ws0dv7rbzx66lm5ln4b7zi-vm-test-run-ncps.drv