upstream #1042

Job	Run time
html5lib-tests	57s
ruby-head (ubuntu, enable)	40s
jruby-head	1m 9s
ruby-head-valgrind (disable)	5m 36s
ruby-head (ubuntu, disable)	1m 3s
ruby-head (windows, enable)	3m 5s
truffleruby-head (--disable-system-libraries --disable-static)	3m 5s
ruby-head (windows, disable)	3m 24s
truffleruby-head (--disable-system-libraries --enable-static)	2m 59s
xmlsoft-head (ubuntu)	1m 40s
xmlsoft-head-valgrind	6m 26s
ruby-head (macos, enable)	31s
xmlsoft-head (windows)	10m 9s
truffleruby-head (--enable-system-libraries)	2m 31s
ruby-head (macos, disable)	1m 16s
xmlsoft-head (macos)	1m 29s
	46m 0s

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