Rollup of 8 pull requests#41010

Closed

frewsxcv wants to merge 21 commits intorust-lang:masterfrom

frewsxcv:rollup

Commits on Mar 15, 2017

fixed some clippy warnings in libcollections
llogiq
committed

Commits on Mar 19, 2017

Merge branch 'master' into clippy-libcollections
llogiq
committed

Commits on Mar 25, 2017

Merge branch 'master' into clippy-libcollections
llogiq
authored

Commits on Mar 30, 2017

Add a note about overflow for fetch_add/fetch_sub
Stjepan Glavina
committed
More consistent wording
Stjepan Glavina
committed

Commits on Mar 31, 2017

Improve some docs for VecDeque
Stjepan Glavina
committed

Commits on Apr 1, 2017

Commits on Apr 2, 2017