Created attachment 417302 [details] emaint stderr output When a third party repo has its source on github, updating the ref is going to stderr, which triggers cron to send an error email that actually doesn’t contain an error.
There's a patch in the following branch: https://github.com/zmedico/portage/tree/bug_566132 I've posted it for review here: https://archives.gentoo.org/gentoo-portage-dev/message/7b41de805583df4c4fcc3c7a8e2269a1
This is in the master branch: https://gitweb.gentoo.org/proj/portage.git/commit/?id=baeff1e7a7306081123d9a31b24c62d59ae73abb
Fixed in 2.2.26.