fixes after rebase

Author: Jorge Aparicio

src/libcore/iter.rs

@@ -123,7 +123,6 @@ pub trait FromIterator<A> {
 }
 
 /// Conversion into an `Iterator`
-#[unstable]
 pub trait IntoIterator {
     type Iter: Iterator;
 

src/librustc/lib.rs

@@ -41,7 +41,6 @@
 #![feature(unicode)]
 #![feature(hash)]
 #![cfg_attr(test, feature(test))]
-#![allow(unstable)]
 // NOTE(stage0) remove cfg_attr after a snapshot
 #![cfg_attr(not(stage0), allow(unused_mut))]
 

src/librustc_trans/lib.rs

@@ -41,7 +41,6 @@
 #![feature(std_misc)]
 #![feature(unicode)]
 #![feature(hash)]
-#![allow(unstable)]
 // NOTE(stage0) remove cfg_attr after a snapshot
 #![cfg_attr(not(stage0), allow(unused_mut))]
 

src/librustc_typeck/lib.rs

@@ -84,7 +84,6 @@ This API is completely unstable and subject to change.
 #![feature(core)]
 #![feature(rustc_private)]
 #![feature(std_misc)]
-#![allow(unstable)]
 // NOTE(stage0) remove cfg_attr after a snapshot
 #![cfg_attr(not(stage0), allow(unused_mut))]
 

src/librustdoc/lib.rs

@@ -32,7 +32,6 @@
 #![feature(test)]
 #![feature(unicode)]
 #![feature(hash)]
-#![allow(unstable)]
 // NOTE(stage0) remove cfg_attr after a snapshot
 #![cfg_attr(not(stage0), allow(unused_mut))]
 

src/libstd/lib.rs

@@ -123,7 +123,6 @@
 #![feature(rand)]
 #![feature(hash)]
 #![cfg_attr(test, feature(test))]
-#![allow(unstable)]
 // NOTE(stage0): remove cfg_attr after a snapshot
 #![cfg_attr(not(stage0), allow(unused_mut))]
 

src/libsyntax/lib.rs

@@ -39,7 +39,6 @@
 #![feature(rustc_private)]
 #![feature(std_misc)]
 #![feature(unicode)]
-#![allow(unstable)]
 // NOTE(stage0) remove cfg_attr after a snapshot
 #![cfg_attr(not(stage0), allow(unused_mut))]
 

src/libtest/lib.rs

@@ -44,7 +44,6 @@
 #![feature(rustc_private)]
 #![feature(std_misc)]
 #![feature(hash)]
-#![allow(unstable)]
 // NOTE(stage0): remove cfg_attr after a snapshot
 #![cfg_attr(not(stage0), allow(unused_mut))]
 

src/test/compile-fail/issue-20605.rs

@@ -10,7 +10,7 @@
 
 fn changer<'a>(mut things: Box<Iterator<Item=&'a mut u8>>) {
     for item in *things { *item = 0 }
-//~^ ERROR the trait `core::marker::Sized` is not implemented for the type `core::iter::Iterator`
+//~^ ERROR the trait `core::marker::Sized` is not implemented for the type `core::iter::Iterator
 //~^^ ERROR
 //~^^^ ERROR
 // FIXME(#21528) error should be reported once, not thrice

src/test/compile-fail/issue-2150.rs

@@ -11,7 +11,7 @@
 #![deny(unreachable_code)]
 #![allow(unused_variables)]
 #![allow(dead_code)]
-#![allow(unstable)]
+#![feature(core)]
 
 fn fail_len(v: Vec<isize> ) -> usize {
     let mut i = 3;