these 2 derivations will be built:
  /nix/store/daslib4v9k5lww8sgmvsva2qijbz1rkk-nix-grpc-store-0.2.3.drv
  /nix/store/njp52ff589jm88nxzbn06zq2c1pnd01w-nix-grpc-store-dispatcher.drv