https://blogs.gentoo.org/ago/2020/07/04/gentoo-tinderbox/ Issue: dev-ruby/rr-3.1.0 fails tests. Discovered on: amd64 (internal ref: slibtool_tinderbox) System: SLIBTOOL-SYSTEM (https://wiki.gentoo.org/wiki/Project:Tinderbox/Common_Issues_Helper#SLIBTOOL) Info about the issue: https://wiki.gentoo.org/wiki/Project:Tinderbox/Common_Issues_Helper#CF0015
Created attachment 885675 [details] build.log build log and emerge --info
I can't reproduce this and it is not obvious what is wrong here.
did you try with a slibtool environment?