these 3 derivations will be built:
  /nix/store/b8sa6ldk357g61fw17ispzh7r7g9gywd-driverConfiguration.json.drv
  /nix/store/3pp1qk6dni1fg2j3hfq8032xdca4qj9g-nixos-test-driver-nix-grpc-store-main.drv
  /nix/store/b8s18x0n5mm4ki45hgy92ikd2lxm5f24-vm-test-run-nix-grpc-store-main.drv