There aren't neither =dev-lang/perl-5.22* nor perl-core/Carp in ::gentoo.
It is masked for a reason: # Andreas K. Huettel <dilfridge@gentoo.org> (04 Jun 2015) # Perl 5.22 version bump in progress. Mask until everything is finishehd. ... =virtual/perl-Carp-1.360.0
(In reply to Mike Gilbert from comment #1) > It is masked for a reason: > > # Andreas K. Huettel <dilfridge@gentoo.org> (04 Jun 2015) > # Perl 5.22 version bump in progress. Mask until everything is finishehd. > ... > =virtual/perl-Carp-1.360.0 Exactly.