Auto merge of #41978 - alexcrichton:update-cargo, r=Mark-Simulacrum

Update the Cargo submodule

Brings some nice updates like faster index clones/updates, retries on 500 from
crates.io, etc.
This commit is contained in:
bors 2017-05-14 16:16:17 +00:00
commit 386b0b9d39

@ -1 +1 @@
Subproject commit cf17c9f7118f544ec304ed6f50d92b3759487123
Subproject commit 13d92c64d0153d95dbabeb49b828bbbef4b1bb34