Rollup of 4 pull requests - #63740

Closed

Centril wants to merge 8 commits into

rust-lang:masterfrom

Centril:rollup-tni904e

Commits on Aug 4, 2019

Implement nth_back for ChunksExactMut
JohnTitor
committed
d3019d1

Commits on Aug 6, 2019

avoid unnecessary reservations in std::io::Take::read_to_end
oconnor663
committed
edb5214

Commits on Aug 18, 2019

Fix bug in iter::Chain::size_hint
timvermeulen
committed
ec54340

Commits on Aug 20, 2019

Restore the rustc_plugin crate in the sysroot
SimonSapin
committed
c561abe
Rollup merge of #63216 - oconnor663:take_read_to_end, r=sfackler
Centril
authored
b4fcf48
Rollup merge of #63265 - JohnTitor:implement-nth-back-for-chunksexactmut, r=scottmcm
Centril
authored
4dd3ce8
Rollup merge of #63691 - timvermeulen:chain-size-hint, r=scottmcm
Centril
authored
9dfb7ae
Rollup merge of #63736 - SimonSapin:plugin, r=eddyb
Centril
authored
b2d4415