light warning cleanup

Author: emberian

src/libextra/arc.rs

@@ -200,15 +200,13 @@ pub impl<T:Owned> MutexARC<T> {
      */
     #[inline(always)]
     unsafe fn access<U>(&self, blk: &fn(x: &mut T) -> U) -> U {
-        unsafe {
-            let state = self.x.get();
-            // Borrowck would complain about this if the function were
-            // not already unsafe. See borrow_rwlock, far below.
-            do (&(*state).lock).lock {
-                check_poison(true, (*state).failed);
-                let _z = PoisonOnFail(&mut (*state).failed);
-                blk(&mut (*state).data)
-            }
+        let state = self.x.get();
+        // Borrowck would complain about this if the function were
+        // not already unsafe. See borrow_rwlock, far below.
+        do (&(*state).lock).lock {
+            check_poison(true, (*state).failed);
+            let _z = PoisonOnFail(&mut (*state).failed);
+            blk(&mut (*state).data)
         }
     }
 

src/libextra/bitv.rs

@@ -13,7 +13,6 @@ use core::prelude::*;
 use core::cmp;
 use core::ops;
 use core::uint;
-use core::vec::from_elem;
 use core::vec;
 
 struct SmallBitv {

src/libextra/flate.rs

@@ -16,8 +16,6 @@ Simple compression
 
 #[allow(missing_doc)];
 
-use core::prelude::*;
-
 use core::libc::{c_void, size_t, c_int};
 use core::libc;
 use core::vec;

src/libextra/std.rc

@@ -37,6 +37,7 @@ not required in or otherwise suitable for the core library.
 
 extern mod core(name = "std", vers = "0.7-pre");
 
+#[cfg(stage0)]
 use core::{str, unstable};
 use core::str::{StrSlice, OwnedStr};
 

src/libextra/test.rs

@@ -24,13 +24,11 @@ use term;
 use core::comm::{stream, SharedChan};
 use core::either;
 use core::io;
-use core::num;
 use core::option;
 use core::result;
 use core::str;
 use core::task;
 use core::to_str::ToStr;
-use core::u64;
 use core::uint;
 use core::vec;
 

src/libextra/uv_global_loop.rs

@@ -16,9 +16,7 @@ use iotask = uv_iotask;
 use uv_iotask::{IoTask, spawn_iotask};
 
 use core::comm::Chan;
-use core::libc;
 use core::option::{Some, None};
-use core::str;
 use core::task::task;
 use core::unstable::global::{global_data_clone_create, global_data_clone};
 use core::unstable::weak_task::weaken_task;

src/librustc/back/link.rs

@@ -106,9 +106,7 @@ pub mod jit {
     use metadata::cstore;
 
     use core::cast;
-    use core::char;
     use core::libc::c_int;
-    use core::os;
     use core::ptr;
     use core::str;
 

src/librustc/back/passes.rs

@@ -12,7 +12,7 @@ use core::prelude::*;
 use core::str;
 use core::io;
 
-use driver::session::{OptLevel, No, Less, Default, Aggressive};
+use driver::session::{OptLevel, No, Less, Aggressive};
 use driver::session::{Session};
 use lib::llvm::{PassRef, ModuleRef,PassManagerRef,TargetDataRef};
 use lib::llvm::llvm;

src/librustc/middle/trans/foreign.rs

@@ -34,7 +34,6 @@ use middle::ty;
 use middle::ty::FnSig;
 use util::ppaux::ty_to_str;
 
-use core::str;
 use core::uint;
 use core::vec;
 use syntax::codemap::span;

src/librustc/middle/trans/glue.rs

@@ -19,7 +19,6 @@ use back::link::*;
 use driver::session;
 use lib;
 use lib::llvm::{llvm, ValueRef, TypeRef, True};
-use lib::llvm::type_to_str;
 use middle::trans::adt;
 use middle::trans::base::*;
 use middle::trans::callee;