Hello! This is just an idea.

Is it possible to automatize detection of this kind of problems?

As I see, some PC can has crontab job to do `guix pull`, so that if 'Backtrace' message occurs, it sends a report to developer not to rush up to push his branch to master branch.

Different branches can be defended from such a minor issues, just trying `guix pull` for all branches using channels.

Dec 7, 2018, 2:15 PM by ludo@gnu.org:

Hi Diego,

Diego Nicola Barbato <dnbarbato@posteo.de> skribis:
When I run ‘guix system roll-back’ I get the following backtrace:

Fixed in commit 6ddc63e599a26c302f74d0622f67cfd987f0dc5f, thanks!

Ludo'.