Merge pull request #13 from shikokuchuo/develop #82

Job	Run time
windows-latest (devel)	2m 39s
windows-latest (release)	3m 6s
windows-latest (oldrel)	6m 37s
macOS-latest (devel)	7m 1s
macOS-latest (release)	3m 46s
macOS-latest (oldrel)	1m 59s
ubuntu-latest (devel)	5m 28s
ubuntu-latest (devel) mirai & nanonext devel	5m 39s
ubuntu-latest (release)	2m 32s
ubuntu-latest (oldrel)	2m 39s
ubuntu-latest (3.6)	3m 8s
	44m 34s

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