tree 459af7df132760aea282d0488140acc199dabd52
parent bb037689e4c70392accd017f19c6c61cbb0d3fc2
author Rob Tsuk <robtsuk@google.com> 1500561359 -0700
committer Rob Tsuk <robtsuk@google.com> 1500561359 -0700

Also check status of cargo commands

Compilation errors show up in the exit status of cargo,
not as an Err.

Change-Id: I318c9a623eb57827beabe55c5c0492bd5fed9ba5