This is an auto-filed bug because x11-themes/gkrellm-themes installs files with broken symlink. The issue was originally discovered on amd64, but it may be reproducible on other arches as well. If you think that a different summary clarifies the issue better, feel free to change it. Attached build log and emerge --info.
Created attachment 642734 [details] build.log build log and emerge --info
tinderbox has reproduced this issue with version 0.1-r1 - Updating summary.
ci has reproduced this issue with version 0.1-r2 - Updating summary.