auto merge of #15000 : alexcrichton/rust/fix-rustdoc-tests, r=huonw

Commits have the descriptions.

src/liballoc/owned.rs

@@ -25,8 +25,12 @@ use core::result::{Ok, Err, Result};
 ///
 /// The following two examples are equivalent:
 ///
-///     let foo = box(HEAP) Bar::new(...);
-///     let foo = box Bar::new(...);
+///     use std::owned::HEAP;
+///
+///     # struct Bar;
+///     # impl Bar { fn new(_a: int) { } }
+///     let foo = box(HEAP) Bar::new(2);
+///     let foo = box Bar::new(2);
 #[lang="exchange_heap"]
 pub static HEAP: () = ();
 

src/libcore/failure.rs

@@ -15,7 +15,9 @@
 //! useful an upstream crate must define failure for libcore to use. The current
 //! interface for failure is:
 //!
-//!     fn begin_unwind(fmt: &fmt::Arguments, file: &str, line: uint) -> !;
+//! ```ignore
+//! fn begin_unwind(fmt: &fmt::Arguments, file: &str, line: uint) -> !;
+//! ```
 //!
 //! This definition allows for failing with any general message, but it does not
 //! allow for failing with a `~Any` value. The reason for this is that libcore

src/librustdoc/test.rs

@@ -86,8 +86,8 @@ pub fn run(input: &str,
     let mut v = RustdocVisitor::new(&*ctx, None);
     v.visit(&ctx.krate);
     let krate = v.clean();
-    let (krate, _) = passes::unindent_comments(krate);
     let (krate, _) = passes::collapse_docs(krate);
+    let (krate, _) = passes::unindent_comments(krate);
 
     let mut collector = Collector::new(krate.name.to_string(),
                                        libs,
@@ -209,7 +209,9 @@ pub fn maketest(s: &str, cratename: Option<&str>, lints: bool) -> String {
 ");
     }
 
-    if !s.contains("extern crate") {
+    // Don't inject `extern crate std` because it's already injected by the
+    // compiler.
+    if !s.contains("extern crate") && cratename != Some("std") {
         match cratename {
             Some(cratename) => {
                 if s.contains(cratename) {

src/libstd/fmt.rs

@@ -420,7 +420,7 @@ use str;
 use string;
 use slice::Vector;
 
-pub use core::fmt::{Formatter, Result, FormatWriter, Show, rt};
+pub use core::fmt::{Formatter, Result, FormatWriter, rt};
 pub use core::fmt::{Show, Bool, Char, Signed, Unsigned, Octal, Binary};
 pub use core::fmt::{LowerHex, UpperHex, String, Pointer};
 pub use core::fmt::{Float, LowerExp, UpperExp};

src/libsync/deque.rs

@@ -24,7 +24,7 @@
 //!
 //! # Example
 //!
-//!     use std::rt::deque::BufferPool;
+//!     use std::sync::deque::BufferPool;
 //!
 //!     let mut pool = BufferPool::new();
 //!     let (mut worker, mut stealer) = pool.deque();