these 2 derivations will be built:
  /nix/store/0xx1zkwgx5iahjmclbp89mz5j07laz5k-nix-grpc-store-0.2.3.drv
  /nix/store/bh5q6pi5j9b8sgl1vvj2dydccjyjrx72-nix-grpc-store-dispatcher.drv