these 2 derivations will be built:
  /nix/store/w7kc6qzzxv575786nnpgy0vcv9yx4qhg-nix-grpc-store-0.2.0.drv
  /nix/store/25dmn33j2a45b25kdkyxy924vb070l87-nix-grpc-store-dispatcher.drv