Currently tasks that require docker/podman don't have checkpoints, so after a PC (or even restart of the BOINC client) all these tasks will start from 0.
This is not a bug but a missed functionality we are working on.

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BOINC maintainer.
For any insight, check my BOINC Development Blog.

This is a serious issue considering how long tasks are running (up to 14h30 on my machine) (and even 4 of them cancelled by the server because too long after 15 hours of calculation, with 0 credit granted), checkpoint is definitively a necessity.