Test fixes and rebase conflicts

src/libstd/sys/common/net.rs

@@ -669,7 +669,7 @@ impl TcpStream {
     fn lock_nonblocking<'a>(&'a self) -> Guard<'a> {
         let ret = Guard {
             fd: self.fd(),
-            guard: self.inner.lock.lock(),
+            guard: self.inner.lock.lock().unwrap(),
         };
         assert!(set_nonblocking(self.fd(), true).is_ok());
         ret
@@ -808,7 +808,7 @@ impl UdpSocket {
     fn lock_nonblocking<'a>(&'a self) -> Guard<'a> {
         let ret = Guard {
             fd: self.fd(),
-            guard: self.inner.lock.lock(),
+            guard: self.inner.lock.lock().unwrap(),
         };
         assert!(set_nonblocking(self.fd(), true).is_ok());
         ret

src/libstd/sys/unix/pipe.rs

@@ -145,7 +145,7 @@ impl UnixStream {
     fn lock_nonblocking<'a>(&'a self) -> Guard<'a> {
         let ret = Guard {
             fd: self.fd(),
-            guard: unsafe { self.inner.lock.lock() },
+            guard: unsafe { self.inner.lock.lock().unwrap() },
         };
         assert!(set_nonblocking(self.fd(), true).is_ok());
         ret

src/libstd/sys/windows/c.rs

@@ -131,7 +131,6 @@ extern "system" {
 
 pub mod compat {
     use intrinsics::{atomic_store_relaxed, transmute};
-    use iter::IteratorExt;
     use libc::types::os::arch::extra::{LPCWSTR, HMODULE, LPCSTR, LPVOID};
     use prelude::*;
 

src/libstd/sys/windows/fs.rs

@@ -265,8 +265,8 @@ pub fn readdir(p: &Path) -> IoResult<Vec<Path>> {
                 {
                     let filename = os::truncate_utf16_at_nul(&wfd.cFileName);
                     match String::from_utf16(filename) {
-                        Some(filename) => paths.push(Path::new(filename)),
-                        None => {
+                        Ok(filename) => paths.push(Path::new(filename)),
+                        Err(..) => {
                             assert!(libc::FindClose(find_handle) != 0);
                             return Err(IoError {
                                 kind: io::InvalidInput,

src/libstd/sys/windows/os.rs

@@ -99,8 +99,9 @@ pub fn error_string(errnum: i32) -> String {
 
         let msg = String::from_utf16(truncate_utf16_at_nul(&buf));
         match msg {
-            Some(msg) => format!("OS Error {}: {}", errnum, msg),
-            None => format!("OS Error {} (FormatMessageW() returned invalid UTF-16)", errnum),
+            Ok(msg) => format!("OS Error {}: {}", errnum, msg),
+            Err(..) => format!("OS Error {} (FormatMessageW() returned \
+                                invalid UTF-16)", errnum),
         }
     }
 }
@@ -147,7 +148,7 @@ pub fn fill_utf16_buf_and_decode(f: |*mut u16, DWORD| -> DWORD) -> Option<String
                 // We want to explicitly catch the case when the
                 // closure returned invalid UTF-16, rather than
                 // set `res` to None and continue.
-                let s = String::from_utf16(sub)
+                let s = String::from_utf16(sub).ok()
                     .expect("fill_utf16_buf_and_decode: closure created invalid UTF-16");
                 res = Some(s)
             }
@@ -169,8 +170,8 @@ pub fn getcwd() -> IoResult<Path> {
     }
 
     match String::from_utf16(truncate_utf16_at_nul(&buf)) {
-        Some(ref cwd) => Ok(Path::new(cwd)),
-        None => Err(IoError {
+        Ok(ref cwd) => Ok(Path::new(cwd)),
+        Err(..) => Err(IoError {
             kind: OtherIoError,
             desc: "GetCurrentDirectoryW returned invalid UTF-16",
             detail: None,

src/libstd/sys/windows/tty.rs

@@ -101,8 +101,8 @@ impl TTY {
             };
             utf16.truncate(num as uint);
             let utf8 = match String::from_utf16(utf16.as_slice()) {
-                Some(utf8) => utf8.into_bytes(),
-                None => return Err(invalid_encoding()),
+                Ok(utf8) => utf8.into_bytes(),
+                Err(..) => return Err(invalid_encoding()),
             };
             self.utf8 = MemReader::new(utf8);
         }