rust-lang/rust — pull request #17349 by aturon (2014-09-17 18:57:13+00:00)
Title: Remove unstable marker from std::rt

The `std::rt` module was marked `unstable` [a while back](https://github.com/rust-lang/rust/commit/b6d4d117f4c2770649c7ddc2ad9ad4ce4c3b13b1), and this change was not reverted when we moved to an `experimental` baseline for `std`.