mxcl/homebrew — pull request #15477 by mernen (2012-10-15 21:23:25+00:00)
Title: Rust 0.4

Rust 0.4 has [just been released](https://mail.mozilla.org/pipermail/rust-dev/2012-October/002489.html). This also removes the temporary patch needed for 0.3.1 on Mountain Lion.