The Evergreen unit test on Windows captured an assertion failure while running test_stat08.py. It's the 1st time we saw such failure, on the WT-5312 commit build.
[2019/12/27 13:53:22.967] ====================================================================== [2019/12/27 13:53:22.967] FAIL: test_stat08.test_stat08.test_session_stats [2019/12/27 13:53:22.967] ---------------------------------------------------------------------- [2019/12/27 13:53:22.967] Traceback (most recent call last): [2019/12/27 13:53:22.967] File "C:\data\mci\09c561c01babbbcb09db624b25a5c3fa\wiredtiger\test\suite\test_stat08.py", line 72, in test_session_stats [2019/12/27 13:53:22.967] self.check_stats(stat_cur, k) [2019/12/27 13:53:22.967] File "C:\data\mci\09c561c01babbbcb09db624b25a5c3fa\wiredtiger\test\suite\test_stat08.py", line 51, in check_stats [2019/12/27 13:53:22.967] self.assertTrue(value > 0) [2019/12/27 13:53:22.967] AssertionError: False is not true [2019/12/27 13:53:22.967] ----------------------------------------------------------------------