anchor.diff:          owner = "sagiegurari";
           repo = pname;
           rev = version;
  -        sha256 = "175cflcm9k81fpp2pxz4hcaf8v3i7jqc9gcr4flnsqxjrh22vymp";
  +        sha256 = "11mkfwvzsr86w9675zpq8gcq5avsfvwffca26h6gkc7ahqcsx3ac";
         };
         cargo-lock = fetchurl {
  -        url = "https://gist.githubusercontent.com/xrelkd/e4c9c7738b21f284d97cb7b1d181317d/raw/f1e6360acfbe5ae573f8f31a82a5c881a6f0ed68/cargo-make-Cargo.lock";
  -        sha256 = "004dx4gyby5smpvawqv946mambcg59zq6n8h89hz61mxkh7frmh4";
  +        url = "https://gist.githubusercontent.com/xrelkd/e4c9c7738b21f284d97cb7b1d181317d/raw/3592410d14443cc6be675553a9c228401114fa5f/cargo-make-Cargo.lock";
  +        sha256 = "0m8m2pn8y7n1js1kkva4lxahz5j4d73lj7l45h8dd30lw2w4n3hg";
         };
       in
       runCommand "cargo-make-src" {} ''
  
positive.code: 
    buildInputs = stdenv.lib.optionals stdenv.isDarwin [ Security ];
  
    cargoSha256 = "1hmfg3x9p5a2vz2r3v8m5wgyabbybl5lcjvi930b9wi5cnfm756g";
  
    # Some tests fail because they need network access.
    # However, Travis ensures a proper build.
  
negative.code: 
  rustPlatform.buildRustPackage rec {
    pname = "cargo-make";
    version = "0.19.3";
  
    src =
      let
  