anchor.diff:  }:
   
   rustPlatform.buildRustPackage rec {
  -  name = "parity-${version}";
  +  pname = "parity";
  +  inherit version;
     inherit cargoSha256;
   
     src = fetchFromGitHub {
  
positive.code: , cargoSha256
  }:
  
  { stdenv
  , fetchFromGitHub
  , rustPlatform
  , pkgconfig
  , openssl
  , systemd
  
negative.code:   # test result: FAILED. 80 passed; 12 failed; 0 ignored; 0 measured; 0 filtered out
    doCheck = false;
  
    meta = with lib; {
      description = "Fast, light, robust Ethereum implementation";
      homepage = "http://parity.io";
      license = licenses.gpl3;
      maintainers = with maintainers; [ akru xrelkd ];
      platforms = platforms.linux;
    };
  }
  