Test

Add pitchfork on Rack 2. #422

Job	Run time
3.3 gems/webrick-rack-v2.rb rackup -s webrick http://localhost:9292	1m 12s
3.3 gems/webrick-rack-v3.rb rackup -s webrick http://localhost:9292	1m 17s
3.3 gems/falcon-v0-rack-v2.rb falcon https://localhost:9292	1m 16s
3.3 gems/falcon-v0-rack-v3.rb falcon https://localhost:9292	1m 15s
3.3 gems/falcon-v0-rack-v3.rb falcon --bind http://localhost:9292 http://localhost:9292	1m 14s
3.3 gems/puma-v4-rack-v2.rb puma http://localhost:9292	1m 18s
3.3 gems/puma-v5-rack-v2.rb puma http://localhost:9292	1m 17s
3.3 gems/puma-v6-rack-v2.rb puma http://localhost:9292	1m 12s
3.3 gems/puma-v6-rack-v3.rb puma http://localhost:9292	1m 17s
3.3 gems/puma-head-rack-v2.rb puma http://localhost:9292	1m 14s
3.3 gems/puma-head-rack-v3.rb puma http://localhost:9292	1m 18s
3.3 gems/thin-v1-rack-v2.rb thin start http://localhost:3000	1m 12s
3.3 gems/unicorn-v6-rack-v2.rb unicorn -E none http://localhost:8080	1m 17s
3.3 gems/pitchfork-head-rack-v2.rb pitchfork -E none http://localhost:8080	1m 13s
3.3 gems/pitchfork-head-rack-v3.rb pitchfork -E none http://localhost:8080	19s
	17m 51s

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