Rollup of 11 pull requests#58831

Closed

emilyalbini wants to merge 39 commits intorust-lang:masterfrom

emilyalbini:rollup

Commits on Feb 25, 2019

Have all methods of Filter and FilterMap use internal iteration
timvermeulen
committed

Commits on Feb 26, 2019

Use informational target machine for metadata
nagisa
committed

Commits on Feb 27, 2019

Commits on Feb 28, 2019

Make `Unique::as_ptr`, `NonNull::dangling` and `NonNull::cast` const
Tim
committed
Update src/libcore/mem.rs

Centril
and
RalfJung
authored
Fixed a syntax error in the pin docs
Alex Gaynor
authored

Commits on Mar 1, 2019