anchor.diff:  
     preCheck = ''
       git init
  +    git config user.name nixbld
       git config user.email nixbld@example.com
       git add .
       git commit -m test
  
positive.code: , rustPlatform
  , fetchFromGitHub
  , cmake
  , pkg-config
  , zstd
  , stdenv
  
negative.code: , libresolv
  , Security
  , git
  }:
  
  rustPlatform.buildRustPackage rec {
  