anchor.diff:    nativeBuildInputs = [
       llvmPackages.clang
       pkg-config
  -    python
  -    maturin
  -    pipInstallHook
  -  ];
  +  ] ++ (with rustPlatform; [
  +    cargoSetupHook
  +    maturinBuildHook
  +  ]);
   
     buildInputs = [
       pcsclite
  
positive.code:     rev = "v${version}";
      sha256 = "192wfrlyylrpzq70yki421mi1smk8q2cyki2a1d03q7h6apib3j4";
    };
    cargoPatches = [ ./Cargo.lock.patch ];
  
    cargoSha256 = "0ifvpdizcdp2c5x2x2j1bhhy5a75q0pk7a63dmh52mlpmh45fy6r";
  
  
negative.code:     sed '/project-url = /d' -i Cargo.toml
    '';
  
    preCheck = ''
      export TESTDIR=$(mktemp -d)
      cp -r tests/ $TESTDIR
  