Assorted small fixes#15584

Merged

bors merged 4 commits intorust-lang:masterfrom

alexcrichton:warn-annoyances

Jul 13, 2014

Commits on Jul 10, 2014

Commits on Jul 12, 2014

libc: Switch open to use a mode_t on unix
alexcrichton
committed

Commits on Jul 13, 2014

Use a nicer Show impl for Name

emberian
authored and
alexcrichton
committed