build

Introduce exit! command #3269

Job	Run time
lint	8s
ruby-versions / Generate Ruby versions	2s
rake test 2.7 (latest reline)	1m 7s
vterm-yamatanooroti 2.7 (latest reline)	1m 2s
rake test 2.7	1m 5s
vterm-yamatanooroti 2.7	1m 6s
rake test 3.0 (latest reline)	1m 5s
vterm-yamatanooroti 3.0 (latest reline)	51s
rake test 3.0	1m 0s
vterm-yamatanooroti 3.0	55s
rake test 3.1 (latest reline)	1m 5s
vterm-yamatanooroti 3.1 (latest reline)	54s
rake test 3.1	1m 2s
vterm-yamatanooroti 3.1	1m 8s
rake test 3.2 (latest reline)	1m 2s
vterm-yamatanooroti 3.2 (latest reline)	1m 14s
rake test 3.2	56s
vterm-yamatanooroti 3.2	50s
rake test 3.3 (latest reline)	1m 13s
vterm-yamatanooroti 3.3 (latest reline)	1m 14s
rake test 3.3	1m 6s
vterm-yamatanooroti 3.3	1m 3s
rake test head (latest reline)	1m 5s
vterm-yamatanooroti head (latest reline)	1m 13s
rake test head	1m 12s
vterm-yamatanooroti head	1m 2s
rake test truffleruby-head (latest reline)	2m 40s
rake test truffleruby-head	2m 40s
	31m 0s

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