I disabled mr.roboto to warn about python 3.8 pull request jobs so far until the segfault gets resolved (I bumped from 3.8.0beta1 to beta2, that might have been the problem), but unfortunately starts aligned so well, that in a few hours I will be on vacations for 10 days, so hopefully Plone can survive for the next 10 days without knowing if a pull request breaks on python 3.8 
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