auto merge of #12861 : huonw/rust/lint-owned-vecs, r=thestinger

lint: add lint for use of a `~[T]`.

This is useless at the moment (since pretty much every crate uses
`~[]`), but should help avoid regressions once completely removed from a
crate.

src/librustuv/lib.rs

@@ -42,6 +42,7 @@ via `close` and `delete` methods.
 #[feature(macro_rules)];
 #[deny(unused_result, unused_must_use)];
 #[allow(visible_private_types)];
+#[allow(deprecated_owned_vector)];
 
 #[cfg(test)] extern crate green;