Update to 1.46

.github/workflows/main.yml

@@ -12,8 +12,8 @@ jobs:
     - name: Install Rust
       run: |
         rustup set profile minimal
-        rustup toolchain install 1.45 -c rust-docs
-        rustup default 1.45
+        rustup toolchain install 1.46 -c rust-docs
+        rustup default 1.46
     - name: Install mdbook
       run: |
         mkdir bin

listings/ch08-common-collections/output-only-01-not-char-boundary/output.txt

@@ -2,5 +2,5 @@ $ cargo run
    Compiling collections v0.1.0 (file:///projects/collections)
     Finished dev [unoptimized + debuginfo] target(s) in 0.43s
      Running `target/debug/collections`
-thread 'main' panicked at 'byte index 1 is not a char boundary; it is inside 'З' (bytes 0..2) of `Здравствуйте`', /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/libcore/str/mod.rs:1920:47
+thread 'main' panicked at 'byte index 1 is not a char boundary; it is inside 'З' (bytes 0..2) of `Здравствуйте`', /rustc/04488afe34512aa4c33566eb16d8c912a3ae04f9/src/libcore/str/mod.rs:1942:47
 note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace

listings/ch10-generic-types-traits-and-lifetimes/listing-10-05/output.txt

@@ -7,6 +7,11 @@ error[E0369]: binary operation `>` cannot be applied to type `&T`
   |            ---- ^ ------- &T
   |            |
   |            &T
+  |
+help: consider restricting type parameter `T`
+  |
+1 | fn largest<T: std::cmp::PartialOrd>(list: &[T]) -> &T {
+  |             ^^^^^^^^^^^^^^^^^^^^^^
 
 error: aborting due to previous error
 

listings/ch15-smart-pointers/listing-15-03/output.txt

@@ -8,7 +8,10 @@ error[E0072]: recursive type `List` has infinite size
 2 |     Cons(i32, List),
   |               ---- recursive without indirection
   |
-  = help: insert indirection (e.g., a `Box`, `Rc`, or `&`) at some point to make `List` representable
+help: insert some indirection (e.g., a `Box`, `Rc`, or `&`) to make `List` representable
+  |
+2 |     Cons(i32, Box<List>),
+  |               ^^^^    ^
 
 error[E0391]: cycle detected when computing drop-check constraints for `List`
  --> src/main.rs:1:1

listings/ch15-smart-pointers/listing-15-23/output.txt

@@ -9,7 +9,7 @@ test tests::it_sends_an_over_75_percent_warning_message ... FAILED
 failures:
 
 ---- tests::it_sends_an_over_75_percent_warning_message stdout ----
-thread 'main' panicked at 'already borrowed: BorrowMutError', /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/libcore/cell.rs:877:9
+thread 'main' panicked at 'already borrowed: BorrowMutError', /rustc/04488afe34512aa4c33566eb16d8c912a3ae04f9/src/libcore/cell.rs:867:31
 note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace
 
 

rust-toolchain

@@ -1 +1 @@
-1.45
+1.46

src/title-page.md

@@ -2,7 +2,7 @@
 
 *by Steve Klabnik and Carol Nichols, with contributions from the Rust Community*
 
-This version of the text assumes you’re using Rust 1.45 or later with
+This version of the text assumes you’re using Rust 1.46 or later with
 `edition="2018"` in *Cargo.toml* of all projects to use Rust 2018 Edition
 idioms. See the [“Installation” section of Chapter 1][install]<!-- ignore -->
 to install or update Rust, and see the new [Appendix E][editions]<!-- ignore