Auto merge of #45981 - GuillaumeGomez:rollup, r=GuillaumeGomez

Rollup of 7 pull requests

- Successful merges: #45815, #45941, #45950, #45961, #45967, #45970, #45977
- Failed merges:

Author: bors

src/ci/docker/cross/build-arm-musl.sh

@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 # Copyright 2017 The Rust Project Developers. See the COPYRIGHT
 # file at the top-level directory of this distribution and at
 # http://rust-lang.org/COPYRIGHT.

src/ci/docker/cross/build-rumprun.sh

@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 # Copyright 2017 The Rust Project Developers. See the COPYRIGHT
 # file at the top-level directory of this distribution and at
 # http://rust-lang.org/COPYRIGHT.

src/ci/docker/cross/install-x86_64-redox.sh

@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 # Copyright 2017 The Rust Project Developers. See the COPYRIGHT
 # file at the top-level directory of this distribution and at
 # http://rust-lang.org/COPYRIGHT.

src/ci/docker/cross2/build-fuchsia-toolchain.sh

@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 # Copyright 2017 The Rust Project Developers. See the COPYRIGHT
 # file at the top-level directory of this distribution and at
 # http://rust-lang.org/COPYRIGHT.

src/ci/docker/cross2/build-solaris-toolchain.sh

@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 # Copyright 2016 The Rust Project Developers. See the COPYRIGHT
 # file at the top-level directory of this distribution and at
 # http://rust-lang.org/COPYRIGHT.

src/ci/docker/disabled/dist-x86_64-dragonfly/build-toolchain.sh

@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 # Copyright 2016 The Rust Project Developers. See the COPYRIGHT
 # file at the top-level directory of this distribution and at
 # http://rust-lang.org/COPYRIGHT.

src/ci/docker/disabled/dist-x86_64-haiku/build-toolchain.sh

@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 # Copyright 2017 The Rust Project Developers. See the COPYRIGHT
 # file at the top-level directory of this distribution and at
 # http://rust-lang.org/COPYRIGHT.

src/ci/docker/disabled/dist-x86_64-haiku/fetch-packages.sh

@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 # Copyright 2017 The Rust Project Developers. See the COPYRIGHT
 # file at the top-level directory of this distribution and at
 # http://rust-lang.org/COPYRIGHT.

src/ci/docker/disabled/wasm32-exp/node.sh

@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 # Copyright 2017 The Rust Project Developers. See the COPYRIGHT
 # file at the top-level directory of this distribution and at
 # http://rust-lang.org/COPYRIGHT.

src/ci/docker/dist-aarch64-linux/build-toolchains.sh

@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 # Copyright 2017 The Rust Project Developers. See the COPYRIGHT
 # file at the top-level directory of this distribution and at
 # http://rust-lang.org/COPYRIGHT.

src/ci/docker/dist-arm-linux/build-toolchains.sh

@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 # Copyright 2017 The Rust Project Developers. See the COPYRIGHT
 # file at the top-level directory of this distribution and at
 # http://rust-lang.org/COPYRIGHT.

src/ci/docker/dist-armhf-linux/build-toolchains.sh

@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 # Copyright 2017 The Rust Project Developers. See the COPYRIGHT
 # file at the top-level directory of this distribution and at
 # http://rust-lang.org/COPYRIGHT.

src/ci/docker/dist-armv7-linux/build-toolchains.sh

@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 # Copyright 2017 The Rust Project Developers. See the COPYRIGHT
 # file at the top-level directory of this distribution and at
 # http://rust-lang.org/COPYRIGHT.

src/ci/docker/dist-i686-freebsd/build-toolchain.sh

@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 # Copyright 2016 The Rust Project Developers. See the COPYRIGHT
 # file at the top-level directory of this distribution and at
 # http://rust-lang.org/COPYRIGHT.

src/ci/docker/dist-i686-linux/build-binutils.sh

@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 # Copyright 2017 The Rust Project Developers. See the COPYRIGHT
 # file at the top-level directory of this distribution and at
 # http://rust-lang.org/COPYRIGHT.

src/ci/docker/dist-i686-linux/build-cmake.sh

@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 # Copyright 2017 The Rust Project Developers. See the COPYRIGHT
 # file at the top-level directory of this distribution and at
 # http://rust-lang.org/COPYRIGHT.

src/ci/docker/dist-i686-linux/build-curl.sh

@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 # Copyright 2017 The Rust Project Developers. See the COPYRIGHT
 # file at the top-level directory of this distribution and at
 # http://rust-lang.org/COPYRIGHT.

src/ci/docker/dist-i686-linux/build-gcc.sh

@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 # Copyright 2017 The Rust Project Developers. See the COPYRIGHT
 # file at the top-level directory of this distribution and at
 # http://rust-lang.org/COPYRIGHT.

src/ci/docker/dist-i686-linux/build-git.sh

@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 # Copyright 2017 The Rust Project Developers. See the COPYRIGHT
 # file at the top-level directory of this distribution and at
 # http://rust-lang.org/COPYRIGHT.

src/ci/docker/dist-i686-linux/build-headers.sh

@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 # Copyright 2017 The Rust Project Developers. See the COPYRIGHT
 # file at the top-level directory of this distribution and at
 # http://rust-lang.org/COPYRIGHT.

src/ci/docker/dist-i686-linux/build-openssl.sh

@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 # Copyright 2017 The Rust Project Developers. See the COPYRIGHT
 # file at the top-level directory of this distribution and at
 # http://rust-lang.org/COPYRIGHT.

src/ci/docker/dist-i686-linux/build-python.sh

@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 # Copyright 2017 The Rust Project Developers. See the COPYRIGHT
 # file at the top-level directory of this distribution and at
 # http://rust-lang.org/COPYRIGHT.

src/ci/docker/dist-powerpc-linux/build-powerpc-toolchain.sh

@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 # Copyright 2017 The Rust Project Developers. See the COPYRIGHT
 # file at the top-level directory of this distribution and at
 # http://rust-lang.org/COPYRIGHT.

src/ci/docker/dist-powerpc64-linux/build-powerpc64-toolchain.sh

@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 # Copyright 2017 The Rust Project Developers. See the COPYRIGHT
 # file at the top-level directory of this distribution and at
 # http://rust-lang.org/COPYRIGHT.

src/ci/docker/dist-powerpc64le-linux/build-powerpc64le-toolchain.sh

@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 # Copyright 2017 The Rust Project Developers. See the COPYRIGHT
 # file at the top-level directory of this distribution and at
 # http://rust-lang.org/COPYRIGHT.

src/ci/docker/dist-s390x-linux/build-s390x-toolchain.sh

@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 # Copyright 2017 The Rust Project Developers. See the COPYRIGHT
 # file at the top-level directory of this distribution and at
 # http://rust-lang.org/COPYRIGHT.

src/ci/docker/dist-x86_64-freebsd/build-toolchain.sh

@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 # Copyright 2016 The Rust Project Developers. See the COPYRIGHT
 # file at the top-level directory of this distribution and at
 # http://rust-lang.org/COPYRIGHT.

src/ci/docker/dist-x86_64-linux/build-binutils.sh

@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 # Copyright 2017 The Rust Project Developers. See the COPYRIGHT
 # file at the top-level directory of this distribution and at
 # http://rust-lang.org/COPYRIGHT.

src/ci/docker/dist-x86_64-linux/build-cmake.sh

@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 # Copyright 2017 The Rust Project Developers. See the COPYRIGHT
 # file at the top-level directory of this distribution and at
 # http://rust-lang.org/COPYRIGHT.

src/ci/docker/dist-x86_64-linux/build-curl.sh

@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 # Copyright 2017 The Rust Project Developers. See the COPYRIGHT
 # file at the top-level directory of this distribution and at
 # http://rust-lang.org/COPYRIGHT.

src/ci/docker/dist-x86_64-linux/build-gcc.sh

@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 # Copyright 2017 The Rust Project Developers. See the COPYRIGHT
 # file at the top-level directory of this distribution and at
 # http://rust-lang.org/COPYRIGHT.

src/ci/docker/dist-x86_64-linux/build-git.sh

@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 # Copyright 2017 The Rust Project Developers. See the COPYRIGHT
 # file at the top-level directory of this distribution and at
 # http://rust-lang.org/COPYRIGHT.

src/ci/docker/dist-x86_64-linux/build-headers.sh

@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 # Copyright 2017 The Rust Project Developers. See the COPYRIGHT
 # file at the top-level directory of this distribution and at
 # http://rust-lang.org/COPYRIGHT.

src/ci/docker/dist-x86_64-linux/build-openssl.sh

@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 # Copyright 2017 The Rust Project Developers. See the COPYRIGHT
 # file at the top-level directory of this distribution and at
 # http://rust-lang.org/COPYRIGHT.

src/ci/docker/dist-x86_64-linux/build-python.sh

@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 # Copyright 2017 The Rust Project Developers. See the COPYRIGHT
 # file at the top-level directory of this distribution and at
 # http://rust-lang.org/COPYRIGHT.

src/ci/docker/dist-x86_64-netbsd/build-netbsd-toolchain.sh

@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 # Copyright 2016 The Rust Project Developers. See the COPYRIGHT
 # file at the top-level directory of this distribution and at
 # http://rust-lang.org/COPYRIGHT.
@@ -64,12 +64,12 @@ cd ../..
 rm -rf usr
 
 cat > /x-tools/x86_64-unknown-netbsd/bin/x86_64--netbsd-gcc-sysroot <<'EOF'
-#!/bin/bash
+#!/usr/bin/env bash
 exec /x-tools/x86_64-unknown-netbsd/bin/x86_64--netbsd-gcc --sysroot=/x-tools/x86_64-unknown-netbsd/sysroot "$@"
 EOF
 
 cat > /x-tools/x86_64-unknown-netbsd/bin/x86_64--netbsd-g++-sysroot <<'EOF'
-#!/bin/bash
+#!/usr/bin/env bash
 exec /x-tools/x86_64-unknown-netbsd/bin/x86_64--netbsd-g++ --sysroot=/x-tools/x86_64-unknown-netbsd/sysroot "$@"
 EOF
 

src/ci/docker/run.sh

@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 # Copyright 2016 The Rust Project Developers. See the COPYRIGHT
 # file at the top-level directory of this distribution and at
 # http://rust-lang.org/COPYRIGHT.

src/ci/init_repo.sh

@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 # Copyright 2016 The Rust Project Developers. See the COPYRIGHT
 # file at the top-level directory of this distribution and at
 # http://rust-lang.org/COPYRIGHT.

src/ci/run.sh

@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 # Copyright 2016 The Rust Project Developers. See the COPYRIGHT
 # file at the top-level directory of this distribution and at
 # http://rust-lang.org/COPYRIGHT.

src/liballoc/str.rs

@@ -2293,7 +2293,7 @@ impl str {
     ///
     /// - U+0021 ... U+002F `! " # $ % & ' ( ) * + , - . /`, or
     /// - U+003A ... U+0040 `: ; < = > ? @`, or
-    /// - U+005B ... U+0060 `[ \\ ] ^ _ \``, or
+    /// - U+005B ... U+0060 ``[ \ ] ^ _ ` ``, or
     /// - U+007B ... U+007E `{ | } ~`
     #[unstable(feature = "ascii_ctype", issue = "39658")]
     #[inline]

src/libcore/num/mod.rs

@@ -2630,7 +2630,7 @@ impl u8 {
     ///
     /// - U+0021 ... U+002F `! " # $ % & ' ( ) * + , - . /`, or
     /// - U+003A ... U+0040 `: ; < = > ? @`, or
-    /// - U+005B ... U+0060 `[ \\ ] ^ _ \``, or
+    /// - U+005B ... U+0060 ``[ \ ] ^ _ ` ``, or
     /// - U+007B ... U+007E `{ | } ~`
     ///
     /// # Examples

src/libcore/str/mod.rs

@@ -76,9 +76,12 @@ pub trait FromStr: Sized {
 
     /// Parses a string `s` to return a value of this type.
     ///
-    /// If parsing succeeds, return the value inside `Ok`, otherwise
+    /// If parsing succeeds, return the value inside [`Ok`], otherwise
     /// when the string is ill-formatted return an error specific to the
-    /// inside `Err`. The error type is specific to implementation of the trait.
+    /// inside [`Err`]. The error type is specific to implementation of the trait.
+    ///
+    /// [`Ok`]: ../../std/result/enum.Result.html#variant.Ok
+    /// [`Err`]: ../../std/result/enum.Result.html#variant.Err
     ///
     /// # Examples
     ///

src/librustc_mir/borrow_check.rs

@@ -93,9 +93,7 @@ fn do_mir_borrowck<'a, 'gcx, 'tcx>(infcx: &InferCtxt<'a, 'gcx, 'tcx>,
                         tcx.cannot_move_out_of(span, "borrowed_content", origin),
                     IllegalMoveOriginKind::InteriorOfTypeWithDestructor { container_ty: ty } =>
                         tcx.cannot_move_out_of_interior_of_drop(span, ty, origin),
-                    IllegalMoveOriginKind::InteriorOfSlice { elem_ty: ty, is_index } =>
-                        tcx.cannot_move_out_of_interior_noncopy(span, ty, is_index, origin),
-                    IllegalMoveOriginKind::InteriorOfArray { elem_ty: ty, is_index } =>
+                    IllegalMoveOriginKind::InteriorOfSliceOrArray { ty, is_index } =>
                         tcx.cannot_move_out_of_interior_noncopy(span, ty, is_index, origin),
                 };
                 err.emit();

src/librustc_mir/dataflow/move_paths/builder.rs

@@ -137,21 +137,21 @@ impl<'b, 'a, 'gcx, 'tcx> Gatherer<'b, 'a, 'gcx, 'tcx> {
             // move out of union - always move the entire union
             ty::TyAdt(adt, _) if adt.is_union() =>
                 return Err(MoveError::UnionMove { path: base }),
-            ty::TySlice(elem_ty) =>
+            ty::TySlice(_) =>
                 return Err(MoveError::cannot_move_out_of(
                     mir.source_info(self.loc).span,
-                    InteriorOfSlice {
-                        elem_ty, is_index: match proj.elem {
+                    InteriorOfSliceOrArray {
+                        ty: lv_ty, is_index: match proj.elem {
                             ProjectionElem::Index(..) => true,
                             _ => false
                         },
                     })),
-            ty::TyArray(elem_ty, _num_elems) => match proj.elem {
+            ty::TyArray(..) => match proj.elem {
                 ProjectionElem::Index(..) =>
                     return Err(MoveError::cannot_move_out_of(
                         mir.source_info(self.loc).span,
-                        InteriorOfArray {
-                            elem_ty, is_index: true
+                        InteriorOfSliceOrArray {
+                            ty: lv_ty, is_index: true
                         })),
                 _ => {
                     // FIXME: still badly broken

src/librustc_mir/dataflow/move_paths/mod.rs

@@ -239,8 +239,7 @@ pub(crate) enum IllegalMoveOriginKind<'tcx> {
     Static,
     BorrowedContent,
     InteriorOfTypeWithDestructor { container_ty: ty::Ty<'tcx> },
-    InteriorOfSlice { elem_ty: ty::Ty<'tcx>, is_index: bool, },
-    InteriorOfArray { elem_ty: ty::Ty<'tcx>, is_index: bool, },
+    InteriorOfSliceOrArray { ty: ty::Ty<'tcx>, is_index: bool, },
 }
 
 #[derive(Debug)]

src/librustdoc/html/highlight.rs

@@ -42,7 +42,7 @@ pub fn render_with_highlighting(src: &str, class: Option<&str>, id: Option<&str>
 
     let mut out = Vec::new();
     if let Some((tooltip, class)) = tooltip {
-        write!(out, "<div class='information'><div class='tooltip {}'>⚠<span \
+        write!(out, "<div class='information'><div class='tooltip {}'>ⓘ<span \
                      class='tooltiptext'>{}</span></div></div>",
                class, tooltip).unwrap();
     }

src/librustdoc/html/markdown.rs

@@ -227,9 +227,9 @@ impl<'a, I: Iterator<Item = Event<'a>>> Iterator for CodeBlocks<'a, I> {
                 ))
             });
             let tooltip = if ignore {
-                Some(("Be careful when using this code, it's not being tested!", "ignore"))
+                Some(("This example is not tested", "ignore"))
             } else if compile_fail {
-                Some(("This code doesn't compile so be extra careful!", "compile_fail"))
+                Some(("This example deliberately fails to compile", "compile_fail"))
             } else {
                 None
             };
@@ -638,9 +638,9 @@ pub fn render(w: &mut fmt::Formatter,
                     ))
                 });
                 let tooltip = if ignore {
-                    Some(("Be careful when using this code, it's not being tested!", "ignore"))
+                    Some(("This example is not tested", "ignore"))
                 } else if compile_fail {
-                    Some(("This code doesn't compile so be extra careful!", "compile_fail"))
+                    Some(("This example deliberately fails to compile", "compile_fail"))
                 } else {
                     None
                 };

src/libstd/io/mod.rs

@@ -737,7 +737,7 @@ pub trait Read {
     /// Transforms this `Read` instance to an [`Iterator`] over its bytes.
     ///
     /// The returned type implements [`Iterator`] where the `Item` is
-    /// [`Result`]`<`[`u8`]`, `[`io::Error`]>`.
+    /// [`Result`]`<`[`u8`]`, `[`io::Error`]`>`.
     /// The yielded item is [`Ok`] if a byte was successfully read and [`Err`]
     /// otherwise. EOF is mapped to returning [`None`] from this iterator.
     ///
@@ -748,7 +748,7 @@ pub trait Read {
     /// [file]: ../fs/struct.File.html
     /// [`Iterator`]: ../../std/iter/trait.Iterator.html
     /// [`Result`]: ../../std/result/enum.Result.html
-    /// [`io::Error``]: ../../std/io/struct.Error.html
+    /// [`io::Error`]: ../../std/io/struct.Error.html
     /// [`u8`]: ../../std/primitive.u8.html
     /// [`Ok`]: ../../std/result/enum.Result.html#variant.Ok
     /// [`Err`]: ../../std/result/enum.Result.html#variant.Err

src/libstd_unicode/char.rs

@@ -1292,7 +1292,7 @@ impl char {
     ///
     /// - U+0021 ... U+002F `! " # $ % & ' ( ) * + , - . /`, or
     /// - U+003A ... U+0040 `: ; < = > ? @`, or
-    /// - U+005B ... U+0060 `[ \\ ] ^ _ \``, or
+    /// - U+005B ... U+0060 ``[ \ ] ^ _ ` ``, or
     /// - U+007B ... U+007E `{ | } ~`
     ///
     /// # Examples