anchor.diff:      '';
     };
   
  -  cargoSha256 = "1gwyszpcmss2d0lm5hvf3b48jy7b0fm7xizhrl3wd6rzw7pg06zd";
  +  cargoSha256 = "0jjkcawcz6wacx22zir9ay1qsi5ffk7c4gwa6jpky4a94zr1h690";
   
     nativeBuildInputs = [ pkg-config ];
     buildInputs = [ openssl ]
  
positive.code: 
  rustPlatform.buildRustPackage rec {
    pname = "cargo-c";
    version = "0.6.7";
  
    src = stdenv.mkDerivation rec {
      name = "${pname}-source-${version}";
  
negative.code:       owner = "lu-zero";
        repo = pname;
        rev = "v${version}";
        sha256 = "0ks2w3gclahidv6r6i0d0d6sli7r8wabxzgmhq03czy5w7kr0x56";
      };
      cargoLock = fetchurl {
        url = "https://github.com/lu-zero/${pname}/releases/download/v${version}/Cargo.lock";
        sha256 = "0czy5q8hkjqyn53p7cjxnxfgwygx2a6casjb4nj5gxss2x3haih6";
      };
  
      installPhase = ''
  