tree 8e28ab6af090f185be59362bb783c2fed02f6ab2
parent afc203dc4df5c0d523a1abf6a8dfd7fa5aa56f2f
author Adam Barth <abarth@google.com> 1529967786 -0700
committer Adam Barth <abarth@google.com> 1529967821 -0700

[roll] Roll Rust toolchain

Test: Ran 'fx clean-build x64' locally
Change-Id: I3671c1d420ef96e5fd79c19076491f7fd51e895c