Avoid redundant downloads when bootstrapping#34644

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bors merged 3 commits intorust-lang:masterfrom

infinity0:master

Jul 6, 2016

Commits on Jul 4, 2016

Avoid redundant downloads when bootstrapping
infinity0
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Commits on Jul 5, 2016

Have verify() return a bool rather than a generic RuntimeError
infinity0
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Tweak verbosity to hopefully better match intuitive expectations
infinity0
committed