|meta json conforms to known spec||
META.json does not conform to any recognised META Spec.
Take a look at the META.json Spec at http://module-build.sourceforge.net/META-spec-v1.4.html (for version 1.4) or http://search.cpan.org/perldoc?CPAN::Meta::Spec (for version 2), and change your META.json accordingly.
|meta yml declares perl version||
This distribution does not declare the minimum perl version in META.yml.
These fails are not serious and don't affect your Kwalitee scores at all.
|has separate license file||
This distribution does not have a LICENSE or LICENCE file in its root directory.
This is not a critical issue. Currently mainly informative for the CPANTS authors. It might be removed later.