Update E0425, E0446, E0449#36761

Merged

bors merged 2 commits intorust-lang:masterfrom

sophiajt:E0425_E0446_E0449

Sep 27, 2016

Commits on Sep 26, 2016

Update E0425, E0446, E0449
Jonathan Turner
committed

Commits on Sep 27, 2016

Update E0446 label with improved wording
Jonathan Turner
committed