The current stable version of Rust is 1.9.0 (released 2016-05-26).
If you want the hottest versions you can install them from the rust overlay.
(In reply to Jan Chren (rindeal) from comment #1) > If you want the hottest versions you can install them from the rust overlay. That's not the answer for supported packages.
In the tree. Since LLVM 3.7 is stable I've only pushed the version using that since it matches closer with upstream.