Recent failure results

OK: 0, NG: 2, 2021-04-30 02:01:23 +0900 ~ 2021-05-03 02:01:23 +0900

trunk-test@ruby-sky1	2021-05-02 20:33:20 +0900	NG (121fa24a34)		[LOG]
trunk-test@ruby-sky1	2021-05-01 07:14:14 +0900	NG (1f255adda9)		[LOG]