Eliminate some trivial warnings

src/librustc/middle/trans/base.rs

@@ -59,7 +59,6 @@ use middle::trans::type_of::*;
 use middle::ty;
 use util::common::indenter;
 use util::ppaux::{Repr, ty_to_str};
-use middle::pat_util;
 
 use middle::trans::type_::Type;
 

src/librustc/middle/trans/callee.rs

@@ -20,7 +20,6 @@ use std::vec;
 
 use back::abi;
 use driver::session;
-use lib;
 use lib::llvm::ValueRef;
 use lib::llvm::llvm;
 use metadata::csearch;

src/librustc/middle/trans/context.rs

@@ -29,7 +29,6 @@ use std::hash;
 use std::hashmap::{HashMap, HashSet};
 use std::str;
 use std::local_data;
-use extra::time;
 use syntax::ast;
 
 use middle::trans::common::{mono_id,ExternMap,tydesc_info,BuilderRef_res,Stats};

src/librustc/middle/trans/controlflow.rs

@@ -248,7 +248,6 @@ pub fn trans_break_cont(bcx: block,
     let mut unwind = bcx;
     let mut cur_scope = unwind.scope;
     let mut target = unwind;
-    let mut quit = false;
     loop {
         cur_scope = match cur_scope {
             Some(@scope_info {

src/librustc/middle/trans/datum.rs

@@ -100,7 +100,6 @@ use middle::trans::glue;
 use middle::trans::tvec;
 use middle::trans::type_of;
 use middle::trans::write_guard;
-use middle::trans::type_::Type;
 use middle::ty;
 use util::common::indenter;
 use util::ppaux::ty_to_str;

src/librustc/middle/trans/glue.rs

@@ -39,7 +39,6 @@ use middle::trans::type_::Type;
 use std::io;
 use std::libc::c_uint;
 use std::str;
-use extra::time;
 use syntax::ast;
 
 pub fn trans_free(cx: block, v: ValueRef) -> block {

src/librustc/middle/trans/meth.rs

@@ -548,7 +548,7 @@ pub fn trans_trait_callee_from_llval(bcx: block,
 
     let _icx = push_ctxt("impl::trans_trait_callee");
     let ccx = bcx.ccx();
-    let mut bcx = bcx;
+    let bcx = bcx;
 
     // Load the vtable from the @Trait pair
     debug!("(translating trait callee) loading vtable from pair %s",

src/librustc/middle/trans/uniq.rs

@@ -19,7 +19,6 @@ use middle::trans::glue;
 use middle::ty;
 use middle::trans::machine::llsize_of;
 use middle::trans::type_of;
-use middle::trans::type_of::*;
 
 pub fn make_free_glue(bcx: block, vptrptr: ValueRef, box_ty: ty::t)
     -> block {

src/libstd/vec.rs

@@ -26,7 +26,9 @@ use option::{None, Option, Some};
 use ptr::to_unsafe_ptr;
 use ptr;
 use ptr::RawPtr;
-use rt::global_heap::{malloc_raw, realloc_raw};
+#[cfg(not(stage0))]
+use rt::global_heap::malloc_raw;
+use rt::global_heap::realloc_raw;
 use sys;
 use sys::size_of;
 use uint;

src/libsyntax/parse/parser.rs

@@ -1074,7 +1074,7 @@ impl Parser {
     // This version of parse arg doesn't necessarily require
     // identifier names.
     pub fn parse_arg_general(&self, require_name: bool) -> arg {
-        let mut is_mutbl = self.eat_keyword(keywords::Mut);
+        let is_mutbl = self.eat_keyword(keywords::Mut);
         let pat = if require_name || self.is_named_argument() {
             self.parse_arg_mode();
             let pat = self.parse_pat();