See attached build log.
(Please do not complain about the need for looking at the build log until you can provide an easy way to open bugs with the correct data picked out of a tinderbox log. Thanks.)
Created attachment 246136 [details]
# Michał Górny <firstname.lastname@example.org> (05 Jun 2017)
# (on behalf of Treecleaner project)
# Unmaintained in Gentoo, awfully old version. Uses obsolete
# Removal in 30 days. Bug #610454.
Author: Michał Górny <email@example.com>
AuthorDate: Wed Jul 5 15:41:44 2017
Commit: Michał Górny <firstname.lastname@example.org>
CommitDate: Wed Jul 5 15:47:55 2017
net-misc/ser: Remove last-rited pkg, #610454