1.1.0 release

1.0.0 release

Auto merge of rust-lang#24849 - gareins:master, r=steveklabnik

Previous borrow() is enough to make borrow_mut() panic, no need to have borrow_mut() twice. [This](http://is.gd/woKKAW)

1.0.0-alpha.2 release

1.0.0-alpha release

0.12.0 release

0.11.0 release

0.10 release

0.9 release