---

yaml
---
r: 208875
b: refs/heads/master
c: 8bc80ba
h: refs/heads/master
i:
  208873: 1c3a4a2
  208871: a89454a
v: v3

Author: bors

[refs]

@@ -1,5 +1,5 @@
 ---
-refs/heads/master: e161d5cf736f1340f299268163a677c5871af313
+refs/heads/master: 8bc80ba9fc8a297e0633a4f6e7fad1c333cbe8b4
 refs/heads/snap-stage1: e33de59e47c5076a89eadeb38f4934f58a3618a6
 refs/heads/snap-stage3: ba0e1cd8147d452c356aacb29fb87568ca26f111
 refs/heads/try: 7b4ef47b7805a402d756fb8157101f64880a522f

trunk/RELEASES.md

@@ -19,7 +19,7 @@ Language
 
 * Several [restrictions have been added to trait coherence][coh] in
   order to make it easier for upstream authors to change traits
-  without breaking downsteam code.
+  without breaking downstream code.
 * Digits of binary and octal literals are [lexed more eagerly][lex] to
   improve error messages and macro behavior. For example, `0b1234` is
   now lexed as `0b1234` instead of two tokens, `0b1` and `234`.
@@ -169,10 +169,10 @@ Version 1.0.0-alpha.2 (February 2015)
 * Highlights
 
     * The various I/O modules were [overhauled][io-rfc] to reduce
-      unncessary abstractions and provide better interoperation with
+      unnecessary abstractions and provide better interoperation with
       the underlying platform. The old `io` module remains temporarily
       at `std::old_io`.
-    * The standard library now [partipates in feature gating][feat],
+    * The standard library now [participates in feature gating][feat],
       so use of unstable libraries now requires a `#![feature(...)]`
       attribute. The impact of this change is [described on the
       forum][feat-forum]. [RFC][feat-rfc].
@@ -385,7 +385,7 @@ Version 1.0.0-alpha (January 2015)
       syscall when available.
     * The 'serialize' crate has been renamed 'rustc-serialize' and
       moved out of the distribution to Cargo. Although it is widely
-      used now, it is expected to be superceded in the near future.
+      used now, it is expected to be superseded in the near future.
     * The `Show` formatter, typically implemented with
       `#[derive(Show)]` is [now requested with the `{:?}`
       specifier][show] and is intended for use by all types, for uses

trunk/configure

@@ -717,10 +717,10 @@ probe CFG_MD5              md5
 probe CFG_MD5SUM           md5sum
 if [ -n "$CFG_MD5" ]
 then
-    CFG_HASH_COMMAND="$CFG_MD5 -q | head -c 8"
+    CFG_HASH_COMMAND="$CFG_MD5 -q | cut -c 1-8"
 elif [ -n "$CFG_MD5SUM" ]
 then
-    CFG_HASH_COMMAND="$CFG_MD5SUM | head -c 8"
+    CFG_HASH_COMMAND="$CFG_MD5SUM | cut -c 1-8"
 else
     err 'could not find one of: md5 md5sum'
 fi

trunk/mk/dist.mk

@@ -123,7 +123,7 @@ dist-install-dir-$(1): PREPARE_BIN_CMD=$(DEFAULT_PREPARE_BIN_CMD)
 dist-install-dir-$(1): PREPARE_LIB_CMD=$(DEFAULT_PREPARE_LIB_CMD)
 dist-install-dir-$(1): PREPARE_MAN_CMD=$(DEFAULT_PREPARE_MAN_CMD)
 dist-install-dir-$(1): PREPARE_CLEAN=true
-dist-install-dir-$(1): prepare-base-dir-$(1) docs compiler-docs
+dist-install-dir-$(1): prepare-base-dir-$(1) docs
 	$$(Q)mkdir -p $$(PREPARE_DEST_DIR)/share/doc/rust
 	$$(Q)$$(PREPARE_MAN_CMD) $$(S)COPYRIGHT $$(PREPARE_DEST_DIR)/share/doc/rust
 	$$(Q)$$(PREPARE_MAN_CMD) $$(S)LICENSE-APACHE $$(PREPARE_DEST_DIR)/share/doc/rust
@@ -163,7 +163,7 @@ endif
 		--legacy-manifest-dirs=rustlib,cargo
 	$$(Q)rm -R tmp/dist/$$(PKG_NAME)-$(1)-image
 
-dist-doc-install-dir-$(1): docs compiler-docs
+dist-doc-install-dir-$(1): docs
 	$$(Q)mkdir -p tmp/dist/$$(DOC_PKG_NAME)-$(1)-image/share/doc/rust
 	$$(Q)cp -r doc tmp/dist/$$(DOC_PKG_NAME)-$(1)-image/share/doc/rust/html
 
@@ -251,7 +251,7 @@ distcheck-tar-bins: dist-tar-bins
 
 # Just copy the docs to a folder under dist with the appropriate name
 # for uploading to S3
-dist-docs: docs compiler-docs
+dist-docs: docs
 	$(Q) rm -Rf dist/doc
 	$(Q) mkdir -p dist/doc/
 	$(Q) cp -r doc dist/doc/$(CFG_PACKAGE_VERS)

trunk/mk/docs.mk

@@ -77,7 +77,8 @@ ERR_IDX_GEN = $(RPATH_VAR2_T_$(CFG_BUILD)_H_$(CFG_BUILD)) $(ERR_IDX_GEN_EXE)
 
 D := $(S)src/doc
 
-DOC_TARGETS := trpl style error-index
+# FIXME (#25705) eventually may want to put error-index target back here.
+DOC_TARGETS := trpl style
 COMPILER_DOC_TARGETS :=
 DOC_L10N_TARGETS :=
 

trunk/mk/main.mk

@@ -32,7 +32,7 @@ CFG_PACKAGE_VERS=$(CFG_RELEASE_NUM)
 CFG_DISABLE_UNSTABLE_FEATURES=1
 endif
 ifeq ($(CFG_RELEASE_CHANNEL),beta)
-CFG_RELEASE=$(CFG_RELEASE_NUM)-beta
+CFG_RELEASE=$(CFG_RELEASE_NUM)-beta$(CFG_PRERELEASE_VERSION)
 # When building beta distributables just reuse the same "beta" name
 # so when we upload we'll always override the previous beta. This
 # doesn't actually impact the version reported by rustc - it's just

trunk/src/doc/reference.md

@@ -3622,6 +3622,14 @@ The `Sized` trait indicates that the size of this type is known at compile-time.
 The `Drop` trait provides a destructor, to be run whenever a value of this type
 is to be destroyed.
 
+## The `Deref` trait
+
+The `Deref<Target = U>` trait allows a type to implicitly implement all the methods
+of the type `U`. When attempting to resolve a method call, the compiler will search
+the top-level type for the implementation of the called method. If no such method is
+found, `.deref()` is called and the compiler continues to search for the method
+implementation in the returned type `U`.
+
 # Memory model
 
 A Rust program's memory consists of a static set of *items* and a *heap*.

trunk/src/doc/trpl/README.md

@@ -150,8 +150,8 @@ of those times. As the error explains, while we made our binding mutable, we
 still cannot call `push`. This is because we already have a reference to an
 element of the vector, `y`. Mutating something while another reference exists
 is dangerous, because we may invalidate the reference. In this specific case,
-when we create the vector, we may have only allocated space for three elements.
-Adding a fourth would mean allocating a new chunk of memory for all those elements,
+when we create the vector, we may have only allocated space for two elements.
+Adding a third would mean allocating a new chunk of memory for all those elements,
 copying the old values over, and updating the internal pointer to that memory.
 That all works just fine. The problem is that `y` wouldn’t get updated, and so
 we’d have a ‘dangling pointer’. That’s bad. Any use of `y` would be an error in

trunk/src/doc/trpl/dining-philosophers.md

@@ -7,20 +7,20 @@ called ‘the dining philosophers’. It was originally conceived by Dijkstra in
 [paper]: http://www.usingcsp.com/cspbook.pdf
 
 > In ancient times, a wealthy philanthropist endowed a College to accommodate
-> five eminent philosophers. Each philosopher had a room in which he could
-> engage in his professional activity of thinking; there was also a common
+> five eminent philosophers. Each philosopher had a room in which she could
+> engage in her professional activity of thinking; there was also a common
 > dining room, furnished with a circular table, surrounded by five chairs, each
 > labelled by the name of the philosopher who was to sit in it. They sat
 > anticlockwise around the table. To the left of each philosopher there was
 > laid a golden fork, and in the centre stood a large bowl of spaghetti, which
-> was constantly replenished. A philosopher was expected to spend most of his
-> time thinking; but when he felt hungry, he went to the dining room, sat down
-> in his own chair, picked up his own fork on his left, and plunged it into the
+> was constantly replenished. A philosopher was expected to spend most of her
+> time thinking; but when she felt hungry, she went to the dining room, sat down
+> in her own chair, picked up her own fork on her left, and plunged it into the
 > spaghetti. But such is the tangled nature of spaghetti that a second fork is
 > required to carry it to the mouth. The philosopher therefore had also to pick
-> up the fork on his right. When he was finished he would put down both his
-> forks, get up from his chair, and continue thinking. Of course, a fork can be
-> used by only one philosopher at a time. If the other philosopher wants it, he
+> up the fork on her right. When she was finished she would put down both her
+> forks, get up from her chair, and continue thinking. Of course, a fork can be
+> used by only one philosopher at a time. If the other philosopher wants it, she
 > just has to wait until the fork is available again.
 
 This classic problem shows off a few different elements of concurrency. The

trunk/src/doc/trpl/documentation.md

@@ -549,7 +549,7 @@ You can control a few aspects of the HTML that `rustdoc` generates through the
 ```rust
 #![doc(html_logo_url = "http://www.rust-lang.org/logos/rust-logo-128x128-blk-v2.png",
        html_favicon_url = "http://www.rust-lang.org/favicon.ico",
-       html_root_url = "http://doc.rust-lang.org/")];
+       html_root_url = "http://doc.rust-lang.org/")]
 ```
 
 This sets a few different options, with a logo, favicon, and a root URL.

trunk/src/doc/trpl/guessing-game.md

@@ -148,7 +148,7 @@ a few tricks up their sleeves.
 For example, they’re [immutable][immutable] by default. That’s why our example
 uses `mut`: it makes a binding mutable, rather than immutable. `let` doesn’t
 take a name on the left hand side, it actually accepts a
-‘[pattern][patterns]’. We’ll use patterns more later. It’s easy enough
+‘[pattern][patterns]’. We’ll use patterns later. It’s easy enough
 to use for now:
 
 ```rust

trunk/src/doc/trpl/lifetimes.md

@@ -219,7 +219,7 @@ to it.
 ## Lifetime Elision
 
 Rust supports powerful local type inference in function bodies, but it’s
-forbidden in item signatures to allow reasoning about the types just based in
+forbidden in item signatures to allow reasoning about the types based on
 the item signature alone. However, for ergonomic reasons a very restricted
 secondary inference algorithm called “lifetime elision” applies in function
 signatures. It infers only based on the signature components themselves and not

trunk/src/doc/trpl/macros.md

@@ -476,9 +476,9 @@ which syntactic form it matches.
 
 There are additional rules regarding the next token after a metavariable:
 
-* `expr` variables must be followed by one of: `=> , ;`
-* `ty` and `path` variables must be followed by one of: `=> , : = > as`
-* `pat` variables must be followed by one of: `=> , =`
+* `expr` variables may only be followed by one of: `=> , ;`
+* `ty` and `path` variables may only be followed by one of: `=> , : = > as`
+* `pat` variables may only be followed by one of: `=> , =`
 * Other variables may be followed by any token.
 
 These rules provide some flexibility for Rust’s syntax to evolve without
@@ -683,9 +683,9 @@ let v = vec![0; 100];
 
 ## assert! and assert_eq!
 
-These two macros are used in tests. `assert!` takes a boolean, and `assert_eq!`
-takes two values and compares them. Truth passes, success `panic!`s. Like
-this:
+These two macros are used in tests. `assert!` takes a boolean. `assert_eq!`
+takes two values and checks them for equality. `true` passes, `false` `panic!`s.
+Like this:
 
 ```rust,no_run
 // A-ok!

trunk/src/doc/trpl/strings.md

@@ -123,7 +123,7 @@ let world = "world!".to_string();
 let hello_world = hello + &world;
 ```
 
-This is because `&String` can automatically coerece to a `&str`. This is a
+This is because `&String` can automatically coerce to a `&str`. This is a
 feature called ‘[`Deref` coercions][dc]’.
 
 [dc]: deref-coercions.html

trunk/src/doc/trpl/the-stack-and-the-heap.md

@@ -277,9 +277,9 @@ allocated on the heap:
 | 0       | x    | ?????? |
 
 [drop]: drop.html
-[moving]: We can make the memory live longer by transferring ownership,
-          sometimes called ‘moving out of the box’. More complex examples will
-          be covered later.
+[^moving]: We can make the memory live longer by transferring ownership,
+           sometimes called ‘moving out of the box’. More complex examples will
+           be covered later.
 
 
 And then the stack frame goes away, freeing all of our memory.

trunk/src/liballoc/rc.rs

@@ -32,7 +32,7 @@
 //! and have the `Owner` remain allocated as long as any `Gadget` points at it.
 //!
 //! ```rust
-//! # #![feature(alloc, collections)]
+//! # #![feature(alloc)]
 //! use std::rc::Rc;
 //!
 //! struct Owner {
@@ -49,7 +49,7 @@
 //! fn main() {
 //!     // Create a reference counted Owner.
 //!     let gadget_owner : Rc<Owner> = Rc::new(
-//!             Owner { name: String::from_str("Gadget Man") }
+//!             Owner { name: String::from("Gadget Man") }
 //!     );
 //!
 //!     // Create Gadgets belonging to gadget_owner. To increment the reference

trunk/src/libcollections/btree/map.rs

@@ -1291,14 +1291,13 @@ impl<K, V> BTreeMap<K, V> {
     /// # Examples
     ///
     /// ```
-    /// # #![feature(core)]
     /// use std::collections::BTreeMap;
     ///
     /// let mut a = BTreeMap::new();
     /// a.insert(1, "a");
     /// a.insert(2, "b");
     ///
-    /// let keys: Vec<usize> = a.keys().cloned().collect();
+    /// let keys: Vec<_> = a.keys().cloned().collect();
     /// assert_eq!(keys, [1, 2]);
     /// ```
     #[stable(feature = "rust1", since = "1.0.0")]
@@ -1314,7 +1313,6 @@ impl<K, V> BTreeMap<K, V> {
     /// # Examples
     ///
     /// ```
-    /// # #![feature(core)]
     /// use std::collections::BTreeMap;
     ///
     /// let mut a = BTreeMap::new();
@@ -1555,7 +1553,6 @@ impl<K: Ord, V> BTreeMap<K, V> {
     /// # Examples
     ///
     /// ```
-    /// # #![feature(collections)]
     /// use std::collections::BTreeMap;
     ///
     /// let mut count: BTreeMap<&str, usize> = BTreeMap::new();