Use ftype #216

Job	Run time
build	6s
coverage	28s
leftovers	8s
compare (rails/rails, ubuntu)	11s
compare (rails/rails, windows)	1m 39s
rubocop	13s
spellr	7s
compare (rails/rails, macos)	30s
rspec (2.7, ubuntu)	45s
compare (ruby/ruby, ubuntu)	26s
rspec (2.7, windows)	2m 17s
compare (ruby/ruby, windows)	2m 23s
rspec (2.7, macos)	1m 43s
compare (ruby/ruby, macos)	54s
rspec (3.0, ubuntu)	20s
compare (facebook/react, ubuntu)	13s
rspec (3.0, windows)	1m 41s
compare (facebook/react, windows)	2m 48s
rspec (3.0, macos)	37s
compare (facebook/react, macos)	31s
rspec (3.1, ubuntu)	23s
rspec (3.1, windows)	1m 17s
rspec (3.1, macos)	50s
rspec (3.2, ubuntu)	21s
rspec (3.2, windows)	3m 39s
rspec (3.2, macos)	36s
rspec (ruby-head, ubuntu)	22s
rspec (ruby-head, windows)	1m 29s
rspec (ruby-head, macos)	1m 2s
rspec (jruby-9.4, ubuntu)	1m 52s
rspec (jruby-9.4, windows)	1m 39s
rspec (jruby-9.4, macos)	3m 20s
rspec (jruby-head, ubuntu)	1m 48s
rspec (jruby-head, windows)	1m 43s
rspec (jruby-head, macos)	5m 45s
	44m 6s

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