Test fixes from the rollup

Author: alexcrichton

src/libnum/bigint.rs

@@ -19,6 +19,7 @@
 //! ## Example
 //!
 //! ```rust
+//! # #![allow(deprecated)]
 //! use num::bigint::BigUint;
 //! use std::num::{Zero, One};
 //! use std::mem::replace;
@@ -42,6 +43,7 @@
 //! It's easy to generate large random numbers:
 //!
 //! ```rust
+//! # #![allow(deprecated)]
 //! use num::bigint::{ToBigInt, RandBigInt};
 //! use std::rand;
 //!

src/libnum/lib.rs

@@ -18,6 +18,7 @@
 //! approximate a square root to arbitrary precision:
 //!
 //! ```
+//! # #![allow(deprecated)]
 //! extern crate num;
 //!
 //! use num::bigint::BigInt;

src/librustc/middle/traits/util.rs

@@ -250,9 +250,7 @@ pub fn search_trait_and_supertraits_from_bound(tcx: &ty::ctxt,
      * is the path to that trait/supertrait. Else `None`.
      */
 
-    for (bound_index, bound) in
-        transitive_bounds(tcx, &[caller_bound]).enumerate()
-    {
+    for bound in transitive_bounds(tcx, &[caller_bound]) {
         if test(bound.def_id) {
             let vtable_param = VtableParam { bound: bound };
             return Some(vtable_param);