anchor.diff:  
       buildAndTestSubdir = "server";
   
  -    nativeBuildInputs = [ rustfmt ];
  +    PROTOC = "${protobuf}/bin/protoc";
  +
  +    nativeBuildInputs = [ rustfmt rustPlatform.bindgenHook ];
   
       # test rely on libindradb and it can't be found
       # failure at https://github.com/indradb/indradb/blob/master/server/tests/plugins.rs#L63
  
positive.code: , lib
  , rustPlatform
  , rustfmt
  }:
  let
    src = fetchFromGitHub {
  
negative.code: 
      cargoSha256 = "sha256-pxan6W/CEsOxv8DbbytEBuIqxWn/C4qT4ze/RnvESOM=";
  
      PROTOC = "${protobuf}/bin/protoc";
  
      nativeBuildInputs = [ rustfmt rustPlatform.bindgenHook ];
  
      buildAndTestSubdir = "client";
    };
  