Rollup of 8 pull requests#62139

Closed

Centril wants to merge 20 commits into

rust-lang:masterfrom

Centril:rollup-jvwtako

Commits on Apr 27, 2019

Rename .cap() methods to .capacity()
mgeier
committed

Commits on Jun 22, 2019

Remove FnBox.
Centril
committed

Commits on Jun 24, 2019

call out explicitly that general read needs to be called with an initialized buffer
RalfJung
committed

Commits on Jun 26, 2019