For completeness, the problem of the log not being sent is also present in
another VM running arch:
https://patchbot.sagemath.org/log/0/Linux/#1%20SMP%20PREEMPT%20Fri,%2029%20Nov%202019%2013:37:24%20+/x86_64/5.4.1-arch1-1/patchbot-arch/2019-12-10%2008:19:07
Maybe some trouble of the patchbo
I've noticed that the composite_fields method can be quite slow when used
on larger number fields (degree above 10).
This is partially due to the checking of correct embeddings done by Sage
after using pari's polcompositum method,
which was not necessary for the application I needed.
When trying
