anchor.diff:      meta = {
         description = "Provides a simple framework for writing test scripts";
       };
  +  };
  +
  +  Test2PluginNoWarnings = buildPerlPackage rec {
  +     name = "Test2-Plugin-NoWarnings-0.06";
  +     src = fetchurl {
  +       url = mirror://cpan/authors/id/D/DR/DROLSKY/Test2-Plugin-NoWarnings-0.06.tar.gz;
  +       sha256 = "002qk6qsm0l6r2kaxywvc38w0yf0mlavgywq8li076pn6kcw3242";
  +     };
  +     propagatedBuildInputs = [ TestSimple13 ];
  +     buildInputs = [ IPCRun3 Test2Suite ];
  +     meta = {
  +       description = "Fail if tests warn";
  +       license = with stdenv.lib.licenses; [ artistic2 ];
  +       homepage = "http://metacpan.org/release/Test2-Plugin-NoWarnings";
  +     };
     };
   
     Test2Suite = buildPerlPackage rec {
  
positive.code:     };
    };
  
    PARDist = buildPerlPackage {
      name = "PAR-Dist-0.49";
      src = fetchurl {
  
negative.code:   };
  
    DateTimeTimeZone = buildPerlPackage rec {
      name = "DateTime-TimeZone-2.18";
      src = fetchurl {
        url = "mirror://cpan/authors/id/D/DR/DROLSKY/${name}.tar.gz";
        sha256 = "b7f74295650bde3f378017113dcc504cefecc054cf6ef31133dc76940e15453a";
      };
      buildInputs = [ TestFatal TestRequires ];
      propagatedBuildInputs = [ ClassSingleton ParamsValidationCompiler Specio namespaceautoclean ];
      meta = {
        homepage = https://metacpan.org/release/DateTime-TimeZone;
        description = "Time zone object base class and factory";
  