Update to rust master

alexcrichton · alexcrichton · commit 088f22efa1b7 · 2015-02-20T10:04:48.000-08:00
diff --git a/src/lib.rs b/src/lib.rs
@@ -1,4 +1,4 @@
-#![feature(core, hash, old_io, alloc)]
+#![feature(core, old_io, alloc)]
 
 extern crate semver;
 

Original file line number	Diff line number	Diff line change
`@@ -1,4 +1,4 @@`
`1`		`-#![feature(core, hash, old_io, alloc)]`
	`1`	`+#![feature(core, old_io, alloc)]`
`2`	`2`
`3`	`3`	`extern crate semver;`
`4`	`4`