auto merge of #13493 : Manishearth/rust/newattr-everywhere, r=alexcrichton

See #13478

12 files changed, 28 insertions, 28 deletions

diff --git a/src/libstd/fmt/mod.rs b/src/libstd/fmt/mod.rs
index 3289475b184..f4f4be7172c 100644
--- a/src/libstd/fmt/mod.rs
+++ b/src/libstd/fmt/mod.rs
@@ -250,7 +250,7 @@ strings and instead directly write the output. Under the hood, this function is
 actually invoking the `write` function defined in this module. Example usage is:
 
 ```rust
-# #[allow(unused_must_use)];
+# #![allow(unused_must_use)]
 use std::io;
 
 let mut w = io::MemWriter::new();
@@ -699,7 +699,7 @@ uniform_fn_call_workaround! {
 /// # Example
 ///
 /// ```rust
-/// # #[allow(unused_must_use)];
+/// # #![allow(unused_must_use)]
 /// use std::fmt;
 /// use std::io;
 ///
diff --git a/src/libstd/io/buffered.rs b/src/libstd/io/buffered.rs
index 8fe7f0ca595..e7d0c03551f 100644
--- a/src/libstd/io/buffered.rs
+++ b/src/libstd/io/buffered.rs
@@ -125,7 +125,7 @@ impl<R: Reader> Reader for BufferedReader<R> {
 /// # Example
 ///
 /// ```rust
-/// # #[allow(unused_must_use)];
+/// # #![allow(unused_must_use)]
 /// use std::io::{BufferedWriter, File};
 ///
 /// let file = File::open(&Path::new("message.txt"));
@@ -287,7 +287,7 @@ impl<W: Reader> Reader for InternalBufferedWriter<W> {
 /// # Example
 ///
 /// ```rust
-/// # #[allow(unused_must_use)];
+/// # #![allow(unused_must_use)]
 /// use std::io::{BufferedStream, File};
 ///
 /// let file = File::open(&Path::new("message.txt"));
diff --git a/src/libstd/io/comm_adapters.rs b/src/libstd/io/comm_adapters.rs
index aa7371944da..11271d71cbe 100644
--- a/src/libstd/io/comm_adapters.rs
+++ b/src/libstd/io/comm_adapters.rs
@@ -89,7 +89,7 @@ impl Reader for ChanReader {
 /// # Example
 ///
 /// ```
-/// # #[allow(unused_must_use)];
+/// # #![allow(unused_must_use)]
 /// use std::io::ChanWriter;
 ///
 /// let (tx, rx) = channel();
diff --git a/src/libstd/io/fs.rs b/src/libstd/io/fs.rs
index b8a58c5cf10..c24d67f18cf 100644
--- a/src/libstd/io/fs.rs
+++ b/src/libstd/io/fs.rs
@@ -28,7 +28,7 @@ particular bits of it, etc.
 # Example
 
 ```rust
-# #[allow(unused_must_use)];
+# #![allow(unused_must_use)]
 use std::io::{File, fs};
 
 let path = Path::new("foo.txt");
@@ -162,7 +162,7 @@ impl File {
     /// # Example
     ///
     /// ```rust
-    /// # #[allow(unused_must_use)];
+    /// # #![allow(unused_must_use)]
     /// use std::io::File;
     ///
     /// let mut f = File::create(&Path::new("foo.txt"));
@@ -220,7 +220,7 @@ impl File {
 /// # Example
 ///
 /// ```rust
-/// # #[allow(unused_must_use)];
+/// # #![allow(unused_must_use)]
 /// use std::io::fs;
 ///
 /// let p = Path::new("/some/file/path.txt");
@@ -290,7 +290,7 @@ pub fn lstat(path: &Path) -> IoResult<FileStat> {
 /// # Example
 ///
 /// ```rust
-/// # #[allow(unused_must_use)];
+/// # #![allow(unused_must_use)]
 /// use std::io::fs;
 ///
 /// fs::rename(&Path::new("foo"), &Path::new("bar"));
@@ -314,7 +314,7 @@ pub fn rename(from: &Path, to: &Path) -> IoResult<()> {
 /// # Example
 ///
 /// ```rust
-/// # #[allow(unused_must_use)];
+/// # #![allow(unused_must_use)]
 /// use std::io::fs;
 ///
 /// fs::copy(&Path::new("foo.txt"), &Path::new("bar.txt"));
@@ -364,7 +364,7 @@ pub fn copy(from: &Path, to: &Path) -> IoResult<()> {
 /// # Example
 ///
 /// ```rust
-/// # #[allow(unused_must_use)];
+/// # #![allow(unused_must_use)]
 /// use std::io;
 /// use std::io::fs;
 ///
@@ -416,7 +416,7 @@ pub fn readlink(path: &Path) -> IoResult<Path> {
 /// # Example
 ///
 /// ```rust
-/// # #[allow(unused_must_use)];
+/// # #![allow(unused_must_use)]
 /// use std::io;
 /// use std::io::fs;
 ///
@@ -437,7 +437,7 @@ pub fn mkdir(path: &Path, mode: FilePermission) -> IoResult<()> {
 /// # Example
 ///
 /// ```rust
-/// # #[allow(unused_must_use)];
+/// # #![allow(unused_must_use)]
 /// use std::io::fs;
 ///
 /// let p = Path::new("/some/dir");
diff --git a/src/libstd/io/mem.rs b/src/libstd/io/mem.rs
index b6d1b627b70..36e29700c5d 100644
--- a/src/libstd/io/mem.rs
+++ b/src/libstd/io/mem.rs
@@ -44,7 +44,7 @@ fn combine(seek: SeekStyle, cur: uint, end: uint, offset: i64) -> IoResult<u64>
 /// # Example
 ///
 /// ```rust
-/// # #[allow(unused_must_use)];
+/// # #![allow(unused_must_use)]
 /// use std::io::MemWriter;
 ///
 /// let mut w = MemWriter::new();
@@ -125,7 +125,7 @@ impl Seek for MemWriter {
 /// # Example
 ///
 /// ```rust
-/// # #[allow(unused_must_use)];
+/// # #![allow(unused_must_use)]
 /// use std::io::MemReader;
 ///
 /// let mut r = MemReader::new(vec!(0, 1, 2));
@@ -209,7 +209,7 @@ impl Buffer for MemReader {
 /// # Example
 ///
 /// ```rust
-/// # #[allow(unused_must_use)];
+/// # #![allow(unused_must_use)]
 /// use std::io::BufWriter;
 ///
 /// let mut buf = [0, ..4];
@@ -267,7 +267,7 @@ impl<'a> Seek for BufWriter<'a> {
 /// # Example
 ///
 /// ```rust
-/// # #[allow(unused_must_use)];
+/// # #![allow(unused_must_use)]
 /// use std::io::BufReader;
 ///
 /// let mut buf = [0, 1, 2, 3];
diff --git a/src/libstd/io/mod.rs b/src/libstd/io/mod.rs
index ccff857f606..0ee2da7bb70 100644
--- a/src/libstd/io/mod.rs
+++ b/src/libstd/io/mod.rs
@@ -46,7 +46,7 @@ Some examples of obvious things you might want to do
 * Write a line to a file
 
     ```rust
-    # #[allow(unused_must_use)];
+    # #![allow(unused_must_use)]
     use std::io::File;
 
     let mut file = File::create(&Path::new("message.txt"));
@@ -82,7 +82,7 @@ Some examples of obvious things you might want to do
 * Make a simple TCP client connection and request
 
     ```rust,should_fail
-    # #[allow(unused_must_use)];
+    # #![allow(unused_must_use)]
     use std::io::net::ip::SocketAddr;
     use std::io::net::tcp::TcpStream;
 
@@ -159,7 +159,7 @@ be an error.
 If you wanted to handle the error though you might write:
 
 ```rust
-# #[allow(unused_must_use)];
+# #![allow(unused_must_use)]
 use std::io::File;
 
 match File::create(&Path::new("diary.txt")).write(bytes!("Met a girl.\n")) {
diff --git a/src/libstd/io/net/tcp.rs b/src/libstd/io/net/tcp.rs
index 2253b22796f..49e6bcff8eb 100644
--- a/src/libstd/io/net/tcp.rs
+++ b/src/libstd/io/net/tcp.rs
@@ -31,7 +31,7 @@ use rt::rtio::{RtioTcpAcceptor, RtioTcpStream};
 /// # Example
 ///
 /// ```rust
-/// # #[allow(unused_must_use)];
+/// # #![allow(unused_must_use)]
 /// use std::io::net::tcp::TcpStream;
 /// use std::io::net::ip::{Ipv4Addr, SocketAddr};
 ///
diff --git a/src/libstd/io/net/udp.rs b/src/libstd/io/net/udp.rs
index cd2c81d284a..86d8be49401 100644
--- a/src/libstd/io/net/udp.rs
+++ b/src/libstd/io/net/udp.rs
@@ -31,7 +31,7 @@ use rt::rtio::{RtioSocket, RtioUdpSocket, IoFactory, LocalIo};
 /// # Example
 ///
 /// ```rust,no_run
-/// # #[allow(unused_must_use)];
+/// # #![allow(unused_must_use)]
 /// use std::io::net::udp::UdpSocket;
 /// use std::io::net::ip::{Ipv4Addr, SocketAddr};
 ///
diff --git a/src/libstd/io/net/unix.rs b/src/libstd/io/net/unix.rs
index a58cdbdba44..6f48abb31c7 100644
--- a/src/libstd/io/net/unix.rs
+++ b/src/libstd/io/net/unix.rs
@@ -52,7 +52,7 @@ impl UnixStream {
     /// # Example
     ///
     /// ```rust
-    /// # #[allow(unused_must_use)];
+    /// # #![allow(unused_must_use)]
     /// use std::io::net::unix::UnixStream;
     ///
     /// let server = Path::new("path/to/my/socket");
@@ -98,7 +98,7 @@ impl UnixListener {
     /// ```
     /// # fn main() {}
     /// # fn foo() {
-    /// # #[allow(unused_must_use)];
+    /// # #![allow(unused_must_use)]
     /// use std::io::net::unix::UnixListener;
     /// use std::io::{Listener, Acceptor};
     ///
diff --git a/src/libstd/io/pipe.rs b/src/libstd/io/pipe.rs
index 6eff453b60d..77a97f4e259 100644
--- a/src/libstd/io/pipe.rs
+++ b/src/libstd/io/pipe.rs
@@ -37,7 +37,7 @@ impl PipeStream {
     /// # Example
     ///
     /// ```rust
-    /// # #[allow(unused_must_use)];
+    /// # #![allow(unused_must_use)]
     /// extern crate libc;
     ///
     /// use std::io::pipe::PipeStream;
diff --git a/src/libstd/io/stdio.rs b/src/libstd/io/stdio.rs
index 33306dba8de..5f47e227901 100644
--- a/src/libstd/io/stdio.rs
+++ b/src/libstd/io/stdio.rs
@@ -18,7 +18,7 @@ about the stream or terminal to which it is attached.
 # Example
 
 ```rust
-# #[allow(unused_must_use)];
+# #![allow(unused_must_use)]
 use std::io;
 
 let mut out = io::stdout();
diff --git a/src/libstd/macros.rs b/src/libstd/macros.rs
index 9d06e38dd8e..06a6a6da796 100644
--- a/src/libstd/macros.rs
+++ b/src/libstd/macros.rs
@@ -29,7 +29,7 @@
 /// # Example
 ///
 /// ```should_fail
-/// # #[allow(unreachable_code)];
+/// # #![allow(unreachable_code)]
 /// fail!();
 /// fail!("this is a terrible mistake!");
 /// fail!(4); // fail with the value of 4 to be collected elsewhere
@@ -188,7 +188,7 @@ macro_rules! format(
 /// # Example
 ///
 /// ```
-/// # #[allow(unused_must_use)];
+/// # #![allow(unused_must_use)]
 /// use std::io::MemWriter;
 ///
 /// let mut w = MemWriter::new();