these 5 derivations will be built:
  /nix/store/jhi8mz24bc1q56p8dg593ll7si42pa6f-nix-grpc-e2e.drv
  /nix/store/vhf2g172xz72n7vak5g7xhh8hwjclzdh-test-script.drv
  /nix/store/xg7ggygvkk1fhal360w3jgyffsh975pk-driverConfiguration.json.drv
  /nix/store/67xbankk7avx5d58j717l4faf421bfji-nixos-test-driver-nix-grpc-farm.drv
  /nix/store/64qxhc4nwchw3zpdjzb34pa9n8pbx15z-vm-test-run-nix-grpc-farm.drv