Fallout of std::str stabilization

src/libstd/sys/windows/backtrace.rs

@@ -32,7 +32,7 @@ use path::Path;
 use result::Result::{Ok, Err};
 use sync::{StaticMutex, MUTEX_INIT};
 use slice::SliceExt;
-use str::StrPrelude;
+use str::StrExt;
 use dynamic_lib::DynamicLibrary;
 
 use sys_common::backtrace::*;

src/libstd/sys/windows/fs.rs

@@ -23,6 +23,7 @@ use io;
 
 use prelude::*;
 use sys;
+use sys::os;
 use sys_common::{keep_going, eof, mkerr_libc};
 
 use io::{FilePermission, Write, UnstableFileStat, Open, FileAccess, FileMode};
@@ -262,7 +263,7 @@ pub fn readdir(p: &Path) -> IoResult<Vec<Path>> {
             let mut more_files = 1 as libc::BOOL;
             while more_files != 0 {
                 {
-                    let filename = str::truncate_utf16_at_nul(&wfd.cFileName);
+                    let filename = os::truncate_utf16_at_nul(&wfd.cFileName);
                     match String::from_utf16(filename) {
                         Some(filename) => paths.push(Path::new(filename)),
                         None => {

src/libstd/sys/windows/os.rs

@@ -168,7 +168,7 @@ pub fn getcwd() -> IoResult<Path> {
         }
     }
 
-    match String::from_utf16(::str::truncate_utf16_at_nul(&buf)) {
+    match String::from_utf16(truncate_utf16_at_nul(&buf)) {
         Some(ref cwd) => Ok(Path::new(cwd)),
         None => Err(IoError {
             kind: OtherIoError,
@@ -279,7 +279,7 @@ pub fn load_self() -> Option<Vec<u8>> {
     unsafe {
         fill_utf16_buf_and_decode(|buf, sz| {
             libc::GetModuleFileNameW(0u as libc::DWORD, buf, sz)
-        }).map(|s| s.into_string().into_bytes())
+        }).map(|s| s.to_string().into_bytes())
     }
 }
 

src/libstd/sys/windows/process.rs

@@ -122,7 +122,7 @@ impl Process {
 
         use mem;
         use iter::{Iterator, IteratorExt};
-        use str::StrPrelude;
+        use str::StrExt;
 
         if cfg.gid().is_some() || cfg.uid().is_some() {
             return Err(IoError {

src/libstd/sys/windows/tty.rs

@@ -111,7 +111,7 @@ impl TTY {
     }
 
     pub fn write(&mut self, buf: &[u8]) -> IoResult<()> {
-        let utf16 = match from_utf8(buf) {
+        let utf16 = match from_utf8(buf).ok() {
             Some(utf8) => {
                 utf8.utf16_units().collect::<Vec<u16>>()
             }