Rollup of 5 pull requests#66686

Merged

bors merged 17 commits intorust-lang:masterfrom

Centril:rollup-07slyoo

Nov 24, 2019

Commits on Sep 27, 2019

Scope format! temporaries
jonhoo
committed

Commits on Sep 28, 2019

Commits on Nov 2, 2019

Merge branch 'master' into format-temporaries
jonhoo
committed

Commits on Nov 14, 2019

mem::forget docs: mention ManuallyDrop
RalfJung
committed

Commits on Nov 21, 2019

Fix cycle when debug-printing opaque types
Aaron1011
committed