these 2 derivations will be built:
  /nix/store/szglz8fsg6w4g510xabqkph3s3dkys9i-nix-grpc-store-0.1.0-beta.2.drv
  /nix/store/64fhmq032cbv5mxwxmj7c5haybb300xq-nix-grpc-store-dispatcher.drv