Created attachment 270889 [details] Test-Output build/test log. I'm tempted to suggest a metabug for all things that do this sort of regexy problem which start occuring in Perl 5.14 A list of them and the problem detail is available here: http://rt.perl.org/rt3//Public/Bug/Display.html?id=78008
http://cpansearch.perl.org/src/BDFOY/Test-Output-1.01/Changes # appearingly resolved in the latest release.
dev-perl/Test-Output-1.10.0 is in the tree.