This gem is missing a dependency (minitest [~> 4]), which will cause it to fail at runtime.
A commit references this bug: Author: sunpoet Date: Sat Jul 15 17:24:58 UTC 2017 New revision: 445918 URL: https://svnweb.freebsd.org/changeset/ports/445918 Log: Fix gemspec for rubygem-minitest 5.0.3 update (r319659) - Bump PORTREVISION for package change PR: 220676 Reported by: lifanov Changes: head/devel/rubygem-turn/Makefile head/devel/rubygem-turn/files/ head/devel/rubygem-turn/files/patch-gemspec
Committed. Thanks!