List modules and versions loaded if tests fail

 Assuming you shipped your module to CPAN with working tests, test failures
 from CPAN Testers|http://www.cpantesters.org/ might be due to platform
 issues, Perl version issues or problems with dependencies. Test::DiagINC
 helps you diagnose deep dependency problems by showing you exactly what
 modules and versions were loaded during a test run.
 .
 When this module is loaded, it sets up an END block that will take action if
 the program is about to exit with a non-zero exit code or if
 $test_builder->is_passing|Test::Builder/is_passing is false by the time the
 END block is reached. If that happens, this module prints out the names and
 version numbers of non-local modules appearing in %INC|perlvar/%INC at the
 end of the test.
 .
 For example:
 .
 This description was automagically extracted from the module by dh-make-perl.