Rollup of 6 pull requests#63873

Merged

bors merged 14 commits intorust-lang:masterfrom

Centril:rollup-jgglypd

Aug 25, 2019

Commits on Aug 13, 2019

Commits on Aug 22, 2019

Do not suggest `.try_into()` on `i32::from(x)`
estebank
committed

Commits on Aug 23, 2019

Suggest calling closure with resolved return type when appropriate
estebank
committed

Commits on Aug 25, 2019