Add a META.yml to the distribution. Your buildtool should be able to autogenerate it.
Run a proper command ("make manifest" or "./Build manifest", maybe with a force option), or use a distribution builder to generate the MANIFEST. Or update MANIFEST manually.
Fix the version(s).
Add 'use strict' (or its equivalents) to all modules, or convince us that your favorite module is well-known enough and people can easily see the modules are strictly written.
This is not a critical issue. Currently mainly informative for the CPANTS authors. It might be removed later.
|IO::MultiPipe||Allows for error checking on a command involving multiple pipes.||0.0||metacpan|