I observed such behavior:

I had few dodo tasks in the cache suspended around 25%

My computer suspended boinc when switched to work on battery

After i returned it to power, tasks resumed, immediately finished to 100% and reported

I thought they will fail but all were validated. Example https://team.dodoathome.com/dodo/result.php?resultid=23013

I do not see anything special in task log

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I tried manually suspending and resuming tasks in the beginning but could not reproduce such behavior..

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I crunch for Ukraine

Did you happen to see if the executable actually suspended or not? Some projects have issues with a suspect where the task runs in the background. After releasing the task to run they immediately complete. I would guess the CPU time would not count since BOINC thought they were suspended as I see yours have a much longer run time vs CPU time.