these 2 derivations will be built:
  /nix/store/mdc8cnabn44x820mch44k6kq3b18hnkv-nix-grpc-store-0.2.3.drv
  /nix/store/ghgfs3hn1812hjzl2rp35gka0kz82ldy-nix-grpc-store-dispatcher.drv