make rustdoc test follow the jobserver limit of threads#50134

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bors merged 1 commit intorust-lang:masterfrom

andjo403:jobserver

Apr 25, 2018

Commits on Apr 23, 2018

make rustdoc test follow the jobserver limit of threadsfix that to many threads is executing at the same timewhen rustdoc test is executed.
andjo403
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