Merge pull request #590 from larskanis/conn_timeout #667

Job	Run time
Build	5s
Build	5s
Build	5s
Test (windows, head, 16.0-1-windows-x64, 16)	2m 31s
Test (windows, head, 16.0-1-windows-x64, 16)	2m 38s
Test (windows, head, 16.0-1-windows-x64, 16)	2m 38s
Test (windows, 2.5, 9.4.26-1-windows-x64, 9.4)	6m 11s
Test (windows, 2.5, 9.4.26-1-windows-x64, 9.4)	6m 11s
Test (windows, 2.5, 9.4.26-1-windows-x64, 9.4)	6m 11s
Test (windows, mswin, 16.0-1-windows-x64, 16)	2m 13s
Test (windows, mswin, 16.0-1-windows-x64, 16)	2m 0s
Test (windows, mswin, 16.0-1-windows-x64, 16)	2m 0s
Test (ubuntu, head, 16)	1m 5s
Test (ubuntu, head, 16)	1m 5s
Test (ubuntu, head, 16)	1m 5s
Test (ubuntu, 3.2, 12)	1m 31s
Test (ubuntu, 3.2, 12)	1m 31s
Test (ubuntu, 3.2, 12)	1m 31s
Test (ubuntu, 20.04, 2.5, 9.3)	1m 26s
Test (ubuntu, 20.04, 2.5, 9.3)	1m 26s
Test (ubuntu, 20.04, 2.5, 9.3)	1m 26s
Test (ubuntu, truffleruby, 13)	1m 59s
Test (ubuntu, truffleruby, 13)	1m 53s
Test (ubuntu, truffleruby, 13)	1m 53s
Test (ubuntu, truffleruby-head, 16)	2m 20s
Test (ubuntu, truffleruby-head, 16)	1m 49s
Test (ubuntu, truffleruby-head, 16)	1m 49s
Test (macos, head, 16.0-1-osx, 16)	1m 13s
Test (macos, head, 16.0-1-osx, 16)	1m 14s
Test (macos, head, 16.0-1-osx, 16)	6h 0m 14s
	6h 59m 18s

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