Rollup of 6 pull requests#31646

Merged

bors merged 4 commits intorust-lang:masterfrom

Manishearth:rollup

Feb 16, 2016

Commits on Feb 15, 2016

Add lint to check that all crates have #![unstable]

KiChjang
authored and
Manishearth
committed
doc pages: add the ability to search unknown types

quodlibetor
authored and
Manishearth
committed
Clarify contiguous memory array structure of vectors in documentation

dirk
authored and
Manishearth
committed
Fix wrong help message left in #31368

JohanLorenzo
authored and
Manishearth
committed