remove unused imports

src/libextra/base64.rs

@@ -229,8 +229,6 @@ impl<'self> FromBase64 for &'self str {
 
 #[cfg(test)]
 mod tests {
-    use core::str;
-
     #[test]
     fn test_to_base64() {
         assert_eq!("".to_base64(), ~"");

src/libextra/rope.rs

@@ -1271,7 +1271,6 @@ mod tests {
 
     use rope::*;
 
-    use core::str;
     use core::uint;
     use core::vec;
 

src/libextra/sha1.rs

@@ -24,7 +24,6 @@
 
 use core::prelude::*;
 
-use core::str;
 use core::uint;
 use core::vec;
 
@@ -279,8 +278,6 @@ pub fn sha1() -> @Sha1 {
 mod tests {
     use sha1;
 
-    use core::vec;
-
     #[test]
     fn test() {
         struct Test {

src/libextra/smallintmap.rs

@@ -294,11 +294,6 @@ mod tests {
 
     use super::SmallIntMap;
 
-    use core::local_data;
-    use core::rand;
-    use core::uint;
-    use core::vec;
-
     #[test]
     fn test_find_mut() {
         let mut m = SmallIntMap::new();

src/libextra/sort.rs

@@ -751,7 +751,6 @@ fn shift_vec<T:Copy>(dest: &mut [T],
 mod test_qsort3 {
     use sort::*;
 
-    use core::vec;
 
     fn check_sort(v1: &mut [int], v2: &mut [int]) {
         let len = v1.len();
@@ -861,8 +860,6 @@ mod tests {
 
     use sort::*;
 
-    use core::vec;
-
     fn check_sort(v1: &[int], v2: &[int]) {
         let len = v1.len();
         pub fn le(a: &int, b: &int) -> bool { *a <= *b }

src/libextra/stats.rs

@@ -12,7 +12,6 @@
 
 use core::prelude::*;
 
-use core::vec;
 use core::f64;
 use core::cmp;
 use core::num;

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/tempfile.rs

@@ -36,7 +36,6 @@ mod tests {
     use tempfile::mkdtemp;
 
     use core::os;
-    use core::str;
 
     #[test]
     fn test_mkdtemp() {

src/libextra/terminfo/parser/compiled.rs

@@ -313,7 +313,6 @@ pub fn parse(file: @Reader, longnames: bool) -> Result<~TermInfo, ~str> {
 #[cfg(test)]
 mod test {
     use super::*;
-    use p = core::path::Path;
 
     #[test]
     fn test_veclens() {

src/libextra/treemap.rs

@@ -710,7 +710,6 @@ mod test_treemap {
 
     use core::rand::RngUtil;
     use core::rand;
-    use core::str;
     use core::vec;
 
     #[test]

src/librustc/back/rpath.rs

@@ -199,9 +199,6 @@ pub fn minimize_rpaths(rpaths: &[Path]) -> ~[Path] {
 mod test {
     use core::prelude::*;
 
-    use core::os;
-    use core::str;
-
     // FIXME(#2119): the outer attribute should be #[cfg(unix, test)], then
     // these redundant #[cfg(test)] blocks can be removed
     #[cfg(test)]

src/librustc/middle/astencode.rs

@@ -15,7 +15,6 @@ use cstore = metadata::cstore;
 use driver::session::Session;
 use e = metadata::encoder;
 use metadata::decoder;
-use metadata::encoder;
 use metadata::tydecode;
 use metadata::tydecode::{DefIdSource, NominalType, TypeWithId, TypeParameter};
 use metadata::tyencode;

src/librustc/middle/trans/adt.rs

@@ -47,7 +47,6 @@
 use core::container::Map;
 use core::libc::c_ulonglong;
 use core::option::{Option, Some, None};
-use core::str;
 use core::vec;
 
 use lib::llvm::{ValueRef, TypeRef, True, IntEQ, IntNE};

src/librustc/middle/trans/base.rs

@@ -71,7 +71,6 @@ use core::libc::c_uint;
 use core::str;
 use core::uint;
 use core::vec;
-use core::local_data;
 use extra::time;
 use syntax::ast::ident;
 use syntax::ast_map::{path, path_elt_to_str, path_name};
@@ -3120,4 +3119,3 @@ pub fn trans_crate(sess: session::Session,
 
     return (llcx, llmod, link_meta);
 }
-

src/librustdoc/desc_to_brief_pass.rs

@@ -24,7 +24,6 @@ use fold::Fold;
 use fold;
 use pass::Pass;
 
-use core::str;
 use core::util;
 
 pub fn mk_pass() -> Pass {

src/librustdoc/markdown_pass.rs

@@ -22,7 +22,6 @@ use markdown_writer::WriterFactory;
 use pass::Pass;
 use sort_pass;
 
-use core::iterator::IteratorUtil;
 use core::cell::Cell;
 use core::str;
 use core::vec;

src/librustdoc/text_pass.rs

@@ -149,8 +149,6 @@ mod test {
     use sectionalize_pass;
     use text_pass::mk_pass;
 
-    use core::str;
-
     fn mk_doc(source: ~str) -> doc::Doc {
         do astsrv::from_str(copy source) |srv| {
             let doc = extract::from_srv(srv.clone(), ~"");

src/libstd/path.rs

@@ -947,7 +947,6 @@ pub mod windows {
 mod tests {
     use option::{None, Some};
     use path::{PosixPath, WindowsPath, windows};
-    use str;
 
     #[test]
     fn test_double_slash_collapsing() {

src/libsyntax/ext/quote.rs

@@ -39,8 +39,6 @@ pub mod rt {
     use parse;
     use print::pprust;
 
-    use core::str;
-
     pub use ast::*;
     pub use parse::token::*;
     pub use parse::new_parser_from_tts;

src/libsyntax/fold.rs

@@ -969,7 +969,7 @@ mod test {
     // change every identifier to "zz"
     pub fn to_zz() -> @fn(ast::ident)->ast::ident {
         let zz_id = token::str_to_ident("zz");
-        |id| {zz_id}
+        |_id| {zz_id}
     }
 
     // maybe add to expand.rs...