r? @nikomatsakis

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Warning

• Pull requests are usually filed against the master branch for this repo, but this one is against beta. Please double check that you specified the right target!
• These commits modify submodules.

r? @alexcrichton

@bors: r+

📌 Commit 28ecd38 has been approved by alexcrichton

@bors p=1

⌛ Testing commit 28ecd38 with merge 2867fb946d549a2753bd61c9a1622efea3f4cc47...

💔 Test failed - status-travis

The job dist-android of your PR failed on Travis (raw log). Through arcane magic we have determined that the following fragments from the build log may contain information about the problem.

######################################################################    98.4%
######################################################################## 100.0%
[00:06:53] extracting /checkout/obj/build/cache/2018-06-21/rust-std-1.27.0-x86_64-unknown-linux-gnu.tar.gz
[00:06:53] downloading https://static.rust-lang.org/dist/2018-06-21/rustc-1.27.0-x86_64-unknown-linux-gnu.tar.gz
No output has been received in the last 30m0s, this potentially indicates a stalled build or something wrong with the build itself.
Check the details on how to adjust your build configuration on: https://docs.travis-ci.com/user/common-build-problems/#Build-times-out-because-no-output-was-received
The build has been terminated

I'm a bot! I can only do what humans tell me to, so if this was not helpful or you have suggestions for improvements, please ping or otherwise contact @TimNN. (Feature Requests)

@bors retry #40474

⌛ Testing commit 28ecd38 with merge 655d22a...

☀️ Test successful - status-appveyor, status-travis
Approved by: alexcrichton
Pushing 655d22a to beta...