these 2 derivations will be built:
  /nix/store/kdd0xnfq54l0165dl3kd54whj4y9pvd8-nix-grpc-store-0.1.0.drv
  /nix/store/l8m4licxc4yhhk2ryisiczw12j6qld2a-nix-grpc-store-dispatcher.drv