these 2 derivations will be built:
  /nix/store/mk94fc5zywmn7crjxlrrgajk0zlaw2f8-nix-grpc-store-0.2.3.drv
  /nix/store/bxq2yg015wz1lcv22dnkv014hjxs77ys-nix-grpc-store-dispatcher.drv