these 2 derivations will be built:
  /nix/store/hvwrmv3pcmf3g0in366nwhji80lvvhmk-nix-grpc-store-0.1.0.drv
  /nix/store/gbyzzm67rnm6sgivhn95n2aw55ykdm8c-nix-grpc-store-dispatcher.drv