these 2 derivations will be built:
  /nix/store/3hw60b9bj3pq0qcdyd72gbwlqfwzwap4-nix-grpc-store-0.2.3.drv
  /nix/store/aix1l83n6wrhfz2ncam5k3aypq0h9ixp-nix-grpc-store-dispatcher.drv