Use ftype #214

Job	Run time
coverage	24s
build	11s
compare (rails/rails, ubuntu)	10s
compare (rails/rails, windows)	2m 35s
leftovers	7s
compare (rails/rails, macos)	29s
rubocop	13s
compare (ruby/ruby, ubuntu)	29s
rspec (2.7, ubuntu)	48s
spellr	7s
compare (ruby/ruby, windows)	2m 39s
rspec (2.7, windows)	2m 49s
compare (ruby/ruby, macos)	1m 12s
rspec (2.7, macos)	1m 23s
compare (facebook/react, ubuntu)	15s
rspec (3.0, ubuntu)	19s
compare (facebook/react, windows)	1m 15s
rspec (3.0, windows)	1m 38s
compare (facebook/react, macos)	23s
rspec (3.0, macos)	44s
rspec (3.1, ubuntu)	24s
rspec (3.1, windows)	1m 6s
rspec (3.1, macos)	50s
rspec (3.2, ubuntu)	18s
rspec (3.2, windows)	2m 48s
rspec (3.2, macos)	51s
rspec (ruby-head, ubuntu)	22s
rspec (ruby-head, windows)	1m 27s
rspec (ruby-head, macos)	32s
rspec (jruby-9.4, ubuntu)	1m 46s
rspec (jruby-9.4, windows)	4m 14s
rspec (jruby-9.4, macos)	4m 52s
rspec (jruby-head, ubuntu)	1m 42s
rspec (jruby-head, windows)	3m 57s
rspec (jruby-head, macos)	5m 16s
	48m 35s

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