Recent failure results

OK: 0, NG: 2, 2021-05-19 04:12:57 +0900 ~ 2021-05-22 04:12:57 +0900

trunk@ruby-iga	2021-05-21 11:35:24 +0900	NG (9edad0df74)		[LOG]
trunk-test@ruby-sky1	2021-05-19 13:12:29 +0900	NG (1d170fdc6d)		[LOG]