these 5 derivations will be built:
  /nix/store/da8f9h86nayvajsd4k67khqlg8axhl9s-nix-grpc-e2e.drv
  /nix/store/04lpwnpx6vdkbh5yp7m514hvmkm527s0-test-script.drv
  /nix/store/q8iciinp98asbz4dppmn5xfb1mk076px-driverConfiguration.json.drv
  /nix/store/sfl7mjpcpjqd75dwawirscwbahbqgy0c-nixos-test-driver-nix-grpc-farm.drv
  /nix/store/0wwz24f56wqvvq5nhxqdacqmfvc0sdhn-vm-test-run-nix-grpc-farm.drv