Add mention of warnings lint group to help message#30728

Merged

bors merged 2 commits intorust-lang:masterfrom

athaeryn:mention-warning-lint-group

Jan 7, 2016

Commits on Jan 4, 2016

Add mention of warnings lint group to help message
athaeryn
committed

Commits on Jan 6, 2016

std::cmp::max -> max
athaeryn
committed