See the bottom "METADATA" of testcase-detail page
https://cluster-fuzz.appspot.com/v2/testcase-detail/5412877675790336

[2016-11-22 09:38:05] clusterfuzz-linux-high-end-0032: Blame task finished.
[2016-11-23 03:34:15] kcwu@chromium.org: Redo task(s): progression
[2016-11-22 19:36:09] clusterfuzz-linux-high-end-0009: Progression task started: r433935.
[2016-11-22 19:36:14] clusterfuzz-linux-high-end-0009: Progression task finished.

The time jump because I'm in UTC+8 timezone. The rest lines are in MTV timezone.