anchor.diff:          owner = "sagiegurari";
           repo = pname;
           rev = version;
  -        sha256 = "1bv5gv5zd9h0yw7wb28r0c4z9wqa6n7ac4ipd855apwz1v7sm9n3";
  +        sha256 = "175cflcm9k81fpp2pxz4hcaf8v3i7jqc9gcr4flnsqxjrh22vymp";
         };
         cargo-lock = fetchurl {
  -        url = "https://gist.githubusercontent.com/xrelkd/e4c9c7738b21f284d97cb7b1d181317d/raw/8a12a07cafeff4ef4a01983f5243dd8c95d10c48/cargo-make-0.19.1-Cargo.lock";
  -        sha256 = "0v2hygkpsyjcpzrgyzl5mah0y8gmprfbnz7kn4hh6zfhz2lhqqwm";
  +        url = "https://gist.githubusercontent.com/xrelkd/e4c9c7738b21f284d97cb7b1d181317d/raw/f1e6360acfbe5ae573f8f31a82a5c881a6f0ed68/cargo-make-Cargo.lock";
  +        sha256 = "004dx4gyby5smpvawqv946mambcg59zq6n8h89hz61mxkh7frmh4";
         };
       in
       runCommand "cargo-make-src" {} ''
  
positive.code: 
    buildInputs = stdenv.lib.optionals stdenv.isDarwin [ Security ];
  
    cargoSha256 = "0j7gyg6l428gypjpfgdz082vz8m86cx1wy2r47az3sc3skl6dhkq";
  
    # Some tests fail because they need network access.
    # However, Travis ensures a proper build.
  
negative.code: 
  rustPlatform.buildRustPackage rec {
    pname = "cargo-make";
    version = "0.19.2";
  
    src =
      let
  