[beta] Rollup backports#60311

Merged

bors merged 10 commits intorust-lang:betafrom

emilyalbini:beta-rollup

Apr 27, 2019

Commits on Apr 25, 2019

bump bootstrap; remove redundant imports.

Centril
authored and
Keruspe
committed

Commits on Apr 26, 2019

musl: do not compress debug section

mati865
authored and
emilyalbini
committed
Revert PR #59401 to fix issue #59652 (a stable-to-beta regression).

pnkfelix
authored and
emilyalbini
committed
rustdoc: Remove default keyword from re-exported trait methods

ollie27
authored and
emilyalbini
committed
Fix the link to sort_by_cached_key

cuviper
authored and
emilyalbini
committed
Fix links to Atomic* in RELEASES.md

dima74
authored and
emilyalbini
committed
Temporarily accept [i|u][32|size] suffixes on a tuple index and warn

estebank
authored and
emilyalbini
committed
review comment: change linked ticket

estebank
authored and
emilyalbini
committed
update release notes for 1.34.1
emilyalbini
committed
Rollup merge of #60273 - Keruspe:beta, r=pietroalbini
emilyalbini
committed