[beta] backports#79838

Merged

bors merged 14 commits intorust-lang:betafrom

Mark-Simulacrum:beta-next

Dec 9, 2020

Commits on Dec 8, 2020

[beta] always disable copy_file_range to avoid EOVERFLOW errors

the8472
authored and
Mark-Simulacrum
committed
Fix outdated comment about not needing to flush stderr.

m-ou-se
authored and
Mark-Simulacrum
committed
Remove unnecessary import of `crate::marker` in std::sys_common::remutex.

m-ou-se
authored and
Mark-Simulacrum
committed
Use Pin for the 'don't move' requirement of ReentrantMutex.

m-ou-se
authored and
Mark-Simulacrum
committed
Update ReentrantMutex tests to use Pin.

m-ou-se
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Mark-Simulacrum
committed
Add (internal-only) SyncOnceCell::get_or_init_pin.

m-ou-se
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Mark-Simulacrum
committed
Return a Pin from SyncOnceCell::get_or_init_pin.

m-ou-se
authored and
Mark-Simulacrum
committed
Pin the ReentrantMutexes in sys::io::stdio.

m-ou-se
authored and
Mark-Simulacrum
committed
bootstrap: use the same version number for rustc and cargo

emilyalbini
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Mark-Simulacrum
committed
Revert "Enable ASLR for windows-gnu"

mati865
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Mark-Simulacrum
committed
[beta] revert #78790, vendor libtest for rustc-src

ehuss
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Mark-Simulacrum
committed
Mirror centos vault to S3
Mark-Simulacrum
committed
Non-dev bootstrap on beta
Mark-Simulacrum
committed
[beta] Update cargo

ehuss
authored and
Mark-Simulacrum
committed