Check that Data members match exactly #575

Job	Run time
ruby-versions / Generate Ruby versions	6s
build (2.5, 0.1.7)	47s
build (2.6, 0.1.7)	47s
build (2.6, 0.2.5, /tmp/local)	1m 7s
build (2.5, 0.1.7, /tmp/local)	1m 9s
build (2.7, 0.2.5, /tmp/local)	1m 14s
build (2.7, 0.2.5)	47s
build (2.6, 0.1.7, /tmp/local)	1m 3s
build (2.6, 0.2.5)	39s
build (2.5, 0.2.5, /tmp/local)	1m 6s
build (3.0, 0.2.5, /tmp/local)	1m 28s
build (2.7, 0.1.7)	1m 34s
build (2.5, 0.2.5)	39s
build (3.0, 0.1.7)	33s
build (3.0, 0.2.5)	31s
build (3.0, 0.1.7, /tmp/local)	39s
build (3.1, 0.1.7, /tmp/local)	41s
build (2.7, 0.1.7, /tmp/local)	1m 3s
build (3.2, 0.2.5, /tmp/local)	54s
build (3.1, 0.2.5)	30s
build (head, 0.2.5)	55s
build (3.3, 0.1.7, /tmp/local)	32s
build (head, 0.1.7, /tmp/local)	38s
build (3.4, 0.2.5)	1m 27s
build (3.3, 0.2.5)	29s
build (3.1, 0.2.5, /tmp/local)	38s
build (3.3, 0.1.7)	31s
build (head, 0.1.7)	38s
build (3.2, 0.1.7, /tmp/local)	1m 3s
build (3.4, 0.1.7)	32s
build (3.2, 0.1.7)	32s
build (3.4, 0.2.5, /tmp/local)	54s
build (3.1, 0.1.7)	34s
build (3.3, 0.2.5, /tmp/local)	1m 13s
build (3.4, 0.1.7, /tmp/local)	50s
build (3.2, 0.2.5)	28s
build (head, 0.2.5, /tmp/local)	28s
	29m 39s

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