• https://crater-reports.s3.amazonaws.com/beta-1.54-1/beta-2021-06-23/reg/sierra-proc-demo-0.1.0/log.txt

I assume this is something subtle in the new Try trait -- would be good to investigate. Looks like only one case found in crater, so probably not too big a deal, but ideally we'd have zero regressions from the new design.

cc @scottmcm