anchor.diff:      '';
     };
   
  -  cargoSha256 = "0svmhq64aqw1vidq8jmw7w4xhhnyp04vcs9yzhjyz25c4cn9grsf";
  +  cargoSha256 = "0z7sjfnnmld5bijn14c7v7arh0vzqmbkjk7bf9ky67acq2r2cv2f";
   
     nativeBuildInputs = [ pkg-config ];
     buildInputs = [ openssl ]
  
positive.code:       owner = "lu-zero";
        repo = pname;
        rev = "v${version}";
        sha256 = "1rgwj3kf31n4rz0b7jw67wsgyapdycfic7plm5gm4n9rlslp5ax5";
      };
      cargoLock = fetchurl {
        url = "https://github.com/lu-zero/${pname}/releases/download/v${version}/Cargo.lock";
        sha256 = "0jnawnkf4m7cqcq9iahnxa53l61a5riax400n96vxrqf3fa752c6";
      };
  
      installPhase = ''
  
negative.code: 
  rustPlatform.buildRustPackage rec {
    pname = "cargo-c";
    version = "0.7.3";
  
    src = stdenv.mkDerivation rec {
      name = "${pname}-source-${version}";
  