Some comments:
PERL_INSTALL_ROOT->DESTDIR?

There's a bug in cpan2spec, see https://bugzilla.redhat.com/show_bug.cgi?id=562316

Formal review:
Key:
- = N/A
x = Check
! = Problem
? = Not evaluated

=== REQUIRED ITEMS ===
[x]  Package is named according to the Package Naming Guidelines.
[x]  Spec file name must match the base package %{name}, in the format %{name}.spec.
[x]  Package meets the Packaging Guidelines.
[x]  Package successfully compiles and builds into binary rpms on at least one supported architecture.
Tested on:
[x]  Rpmlint output:
[x]  Package is not relocatable.
[x]  Buildroot is correct (%{_tmppath}/%{name}-%{version}-%{release}-root-%(%{__id_u} -n))
[x]  Package is licensed with an open-source compatible license and meets other legal requirements as defined in the legal section of Packaging Guidelines.
[x]  License field in the package spec file matches the actual license.
License type:
[-]  If (and only if) the source package includes the text of the license(s) in its own file, then that file, containing the text of the license(s) for the package is included in %doc.
[x]  Spec file is legible and written in American English.
[x]  Sources used to build the package matches the upstream source, as provided in the spec URL.
MD5SUM this package    :5021b3b93304b0a8a723282dedd0cead 
MD5SUM upstream package:5021b3b93304b0a8a723282dedd0cead 
[x]  Package is not known to require ExcludeArch, OR:
Arches excluded:
Why:
[x]  All build dependencies are listed in BuildRequires, except for any that are listed in the exceptions section of Packaging Guidelines.
[-]  The spec file handles locales properly.
[-]  ldconfig called in %post and %postun if required.
[x]  Package must own all directories that it creates.
[x]  Package requires other packages for directories it uses.
[x]  Package does not contain duplicates in %files.
[x]  Permissions on files are set properly.
[x]  Package has a %clean section, which contains rm -rf %{buildroot} (or $RPM_BUILD_ROOT).
[x]  Package consistently uses macros.
[x]  Package contains code, or permissable content.
[-]  Large documentation files are in a -doc subpackage, if required.
[x]  Package uses nothing in %doc for runtime.
[-]  Header files in -devel subpackage, if present.
[-]  Static libraries in -devel subpackage, if present.
[-]  Package requires pkgconfig, if .pc files are present.
[-]  Development .so files in -devel subpackage, if present.
[-]  Fully versioned dependency in subpackages, if present.
[x]  Package does not contain any libtool archives (.la).
[x]  Package contains a properly installed %{name}.desktop file if it is a GUI application.
[x]  Package does not own files or directories owned by other packages.

=== SUGGESTED ITEMS ===
[x]  Latest version is packaged.
[x]  Package does not include license text files separate from upstream.
[-]  Description and summary sections in the package spec file contains translations for supported Non-English languages, if available.
[x]  Reviewer should test that the package builds in mock.
Tested on:
[x]  Package should compile and build into binary rpms on all supported architectures.
Tested on:
[x]  Package functions as described.
[-]  Scriptlets must be sane, if used.
[-]  The placement of pkgconfig(.pc) files are correct.
[x]  File based requires are sane.

================
*** APPROVED ***
================

New Package CVS Request
=======================
Package Name: perl-MooseX-Types-Common
Short Description: A library of commonly used type constraints
Owners: cweyl
Branches: F-11 F-12 F-13 devel
InitialCC: perl-sig

CVS done (by process-cvs-requests.py).

Thanks for the review! :-)

Package Change Request
======================
Package Name: perl-MooseX-Types-Common
New Branches: el6
Owners: iarnell tremble
InitialCC: perl-sig

Git done (by process-git-requests).

perl-MooseX-Types-Common-0.001002-2.el6 has been submitted as an update to Fedora EPEL 6. https://bodhi.fedoraproject.org/updates/FEDORA-EPEL-2016-fb91323641

perl-MooseX-Types-Common-0.001002-2.el6 has been pushed to the Fedora EPEL 6 testing repository. If problems still persist, please make note of it in this bug report.
See https://fedoraproject.org/wiki/QA:Updates_Testing for
instructions on how to install test updates.
You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-EPEL-2016-fb91323641

perl-MooseX-Types-Common-0.001002-2.el6 has been pushed to the Fedora EPEL 6 stable repository. If problems still persist, please make note of it in this bug report.