Update to Rust 1.67.1

.github/workflows/main.yml

@@ -12,8 +12,8 @@ jobs:
     - name: Install Rust
       run: |
         rustup set profile minimal
-        rustup toolchain install 1.66 -c rust-docs
+        rustup toolchain install 1.67 -c rust-docs
-        rustup default 1.66
+        rustup default 1.67
     - name: Install mdbook
       run: |
         mkdir bin

listings/ch02-guessing-game-tutorial/listing-02-04/output.txt

@@ -18,6 +18,7 @@ error[E0308]: mismatched types
    = note: expected reference `&String`
               found reference `&{integer}`
 note: associated function defined here
+  --> /rustc/d5a82bbd26e1ad8b7401f6a718a9c57c96905483/library/core/src/cmp.rs:783:8
 
 For more information about this error, try `rustc --explain E0308`.
 error: could not compile `guessing_game` due to previous error

listings/ch02-guessing-game-tutorial/no-listing-02-without-expect/output.txt

@@ -4,7 +4,7 @@ warning: unused `Result` that must be used
   --> src/main.rs:10:5
    |
 10 |     io::stdin().read_line(&mut guess);
-   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
    |
    = note: this `Result` may be an `Err` variant, which should be handled
    = note: `#[warn(unused_must_use)]` on by default

listings/ch04-understanding-ownership/no-listing-04-cant-use-after-move/output.txt

@@ -12,6 +12,10 @@ error[E0382]: borrow of moved value: `s1`
   |                            ^^ value borrowed here after move
   |
   = note: this error originates in the macro `$crate::format_args_nl` which comes from the expansion of the macro `println` (in Nightly builds, run with -Z macro-backtrace for more info)
+help: consider cloning the value if the performance cost is acceptable
+  |
+3 |     let s2 = s1.clone();
+  |                ++++++++
 
 For more information about this error, try `rustc --explain E0382`.
 error: could not compile `ownership` due to previous error

listings/ch06-enums-and-pattern-matching/no-listing-07-cant-use-option-directly/output.txt

@@ -8,15 +8,10 @@ error[E0277]: cannot add `Option<i8>` to `i8`
   |
   = help: the trait `Add<Option<i8>>` is not implemented for `i8`
   = help: the following other types implement trait `Add<Rhs>`:
-            <&'a f32 as Add<f32>>
-            <&'a f64 as Add<f64>>
-            <&'a i128 as Add<i128>>
-            <&'a i16 as Add<i16>>
-            <&'a i32 as Add<i32>>
-            <&'a i64 as Add<i64>>
             <&'a i8 as Add<i8>>
-            <&'a isize as Add<isize>>
+            <&i8 as Add<&i8>>
-          and 48 others
+            <i8 as Add<&i8>>
+            <i8 as Add>
 
 For more information about this error, try `rustc --explain E0277`.
 error: could not compile `enums` due to previous error

listings/ch06-enums-and-pattern-matching/no-listing-10-non-exhaustive-match/output.txt

@@ -7,6 +7,10 @@ error[E0004]: non-exhaustive patterns: `None` not covered
   |               ^ pattern `None` not covered
   |
 note: `Option<i32>` defined here
+ --> /rustc/d5a82bbd26e1ad8b7401f6a718a9c57c96905483/library/core/src/option.rs:518:1
+  |
+  = note: 
+/rustc/d5a82bbd26e1ad8b7401f6a718a9c57c96905483/library/core/src/option.rs:522:5: not covered
   = note: the matched value is of type `Option<i32>`
 help: ensure that all possible cases are being handled by adding a match arm with a wildcard pattern or an explicit pattern as shown
   |

listings/ch07-managing-growing-projects/listing-07-12/output.txt

@@ -1,11 +1,5 @@
 $ cargo build
    Compiling restaurant v0.1.0 (file:///projects/restaurant)
-error[E0433]: failed to resolve: use of undeclared crate or module `hosting`
-  --> src/lib.rs:11:9
-   |
-11 |         hosting::add_to_waitlist();
-   |         ^^^^^^^ use of undeclared crate or module `hosting`
-
 warning: unused import: `crate::front_of_house::hosting`
  --> src/lib.rs:7:5
   |
@@ -14,6 +8,12 @@ warning: unused import: `crate::front_of_house::hosting`
   |
   = note: `#[warn(unused_imports)]` on by default
 
+error[E0433]: failed to resolve: use of undeclared crate or module `hosting`
+  --> src/lib.rs:11:9
+   |
+11 |         hosting::add_to_waitlist();
+   |         ^^^^^^^ use of undeclared crate or module `hosting`
+
 For more information about this error, try `rustc --explain E0433`.
 warning: `restaurant` (lib) generated 1 warning
 error: could not compile `restaurant` due to previous error; 1 warning emitted

listings/ch08-common-collections/listing-08-19/output.txt

@@ -14,7 +14,6 @@ error[E0277]: the type `String` cannot be indexed by `{integer}`
             <String as Index<RangeTo<usize>>>
             <String as Index<RangeToInclusive<usize>>>
             <String as Index<std::ops::Range<usize>>>
-            <str as Index<I>>
 
 For more information about this error, try `rustc --explain E0277`.
 error: could not compile `collections` due to previous error

listings/ch11-writing-automated-tests/listing-11-03/output.txt

@@ -10,7 +10,7 @@ test tests::exploration ... ok
 failures:
 
 ---- tests::another stdout ----
-thread 'main' panicked at 'Make this test fail', src/lib.rs:10:9
+thread 'tests::another' panicked at 'Make this test fail', src/lib.rs:10:9
 note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace
 
 

listings/ch11-writing-automated-tests/listing-11-10/output.txt

@@ -11,7 +11,7 @@ failures:
 
 ---- tests::this_test_will_fail stdout ----
 I got the value 8
-thread 'main' panicked at 'assertion failed: `(left == right)`
+thread 'tests::this_test_will_fail' panicked at 'assertion failed: `(left == right)`
   left: `5`,
  right: `10`', src/lib.rs:19:9
 note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace

listings/ch11-writing-automated-tests/no-listing-03-introducing-a-bug/output.txt

@@ -10,7 +10,7 @@ test tests::smaller_cannot_hold_larger ... ok
 failures:
 
 ---- tests::larger_can_hold_smaller stdout ----
-thread 'main' panicked at 'assertion failed: larger.can_hold(&smaller)', src/lib.rs:28:9
+thread 'tests::larger_can_hold_smaller' panicked at 'assertion failed: larger.can_hold(&smaller)', src/lib.rs:28:9
 note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace
 
 

listings/ch11-writing-automated-tests/no-listing-04-bug-in-add-two/output.txt

@@ -9,7 +9,7 @@ test tests::it_adds_two ... FAILED
 failures:
 
 ---- tests::it_adds_two stdout ----
-thread 'main' panicked at 'assertion failed: `(left == right)`
+thread 'tests::it_adds_two' panicked at 'assertion failed: `(left == right)`
   left: `4`,
  right: `5`', src/lib.rs:11:9
 note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace

listings/ch11-writing-automated-tests/no-listing-06-greeter-with-bug/output.txt

@@ -9,7 +9,7 @@ test tests::greeting_contains_name ... FAILED
 failures:
 
 ---- tests::greeting_contains_name stdout ----
-thread 'main' panicked at 'assertion failed: result.contains(\"Carol\")', src/lib.rs:12:9
+thread 'tests::greeting_contains_name' panicked at 'assertion failed: result.contains(\"Carol\")', src/lib.rs:12:9
 note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace
 
 

listings/ch11-writing-automated-tests/no-listing-07-custom-failure-message/output.txt

@@ -9,7 +9,7 @@ test tests::greeting_contains_name ... FAILED
 failures:
 
 ---- tests::greeting_contains_name stdout ----
-thread 'main' panicked at 'Greeting did not contain name, value was `Hello!`', src/lib.rs:12:9
+thread 'tests::greeting_contains_name' panicked at 'Greeting did not contain name, value was `Hello!`', src/lib.rs:12:9
 note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace
 
 

listings/ch11-writing-automated-tests/no-listing-09-guess-with-panic-msg-bug/output.txt

@@ -9,7 +9,7 @@ test tests::greater_than_100 - should panic ... FAILED
 failures:
 
 ---- tests::greater_than_100 stdout ----
-thread 'main' panicked at 'Guess value must be greater than or equal to 1, got 200.', src/lib.rs:13:13
+thread 'tests::greater_than_100' panicked at 'Guess value must be greater than or equal to 1, got 200.', src/lib.rs:13:13
 note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace
 note: panic did not contain expected string
       panic message: `"Guess value must be greater than or equal to 1, got 200."`,

listings/ch11-writing-automated-tests/output-only-01-show-output/output.txt

@@ -20,7 +20,7 @@ failures:
 
 ---- tests::this_test_will_fail stdout ----
 I got the value 8
-thread 'main' panicked at 'assertion failed: `(left == right)`
+thread 'tests::this_test_will_fail' panicked at 'assertion failed: `(left == right)`
   left: `5`,
  right: `10`', src/lib.rs:19:9
 note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace

listings/ch12-an-io-project/listing-12-12/output.txt

@@ -4,7 +4,7 @@ warning: unused `Result` that must be used
   --> src/main.rs:19:5
    |
 19 |     run(config);
-   |     ^^^^^^^^^^^^
+   |     ^^^^^^^^^^^
    |
    = note: this `Result` may be an `Err` variant, which should be handled
    = note: `#[warn(unused_must_use)]` on by default

listings/ch12-an-io-project/listing-12-16/output.txt

@@ -9,7 +9,7 @@ test tests::one_result ... FAILED
 failures:
 
 ---- tests::one_result stdout ----
-thread 'main' panicked at 'assertion failed: `(left == right)`
+thread 'tests::one_result' panicked at 'assertion failed: `(left == right)`
   left: `["safe, fast, productive."]`,
  right: `[]`', src/lib.rs:44:9
 note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace

listings/ch13-functional-features/listing-13-14/output.txt

@@ -4,7 +4,7 @@ warning: unused `Map` that must be used
  --> src/main.rs:4:5
   |
 4 |     v1.iter().map(|x| x + 1);
-  |     ^^^^^^^^^^^^^^^^^^^^^^^^^
+  |     ^^^^^^^^^^^^^^^^^^^^^^^^
   |
   = note: iterators are lazy and do nothing unless consumed
   = note: `#[warn(unused_must_use)]` on by default

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', src/lib.rs:60:53
+thread 'tests::it_sends_an_over_75_percent_warning_message' panicked at 'already borrowed: BorrowMutError', src/lib.rs:60:53
 note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace
 
 

listings/ch16-fearless-concurrency/listing-16-14/output.txt

@@ -22,6 +22,9 @@ note: required because it's used within this closure
 11 |         let handle = thread::spawn(move || {
    |                                    ^^^^^^^
 note: required by a bound in `spawn`
+  --> /rustc/d5a82bbd26e1ad8b7401f6a718a9c57c96905483/library/std/src/thread/mod.rs:704:8
+   |
+   = note: required by this bound in `spawn`
 
 For more information about this error, try `rustc --explain E0277`.
 error: could not compile `shared-state` due to previous error

listings/ch18-patterns-and-matching/listing-18-08/output.txt

@@ -9,6 +9,10 @@ error[E0005]: refutable pattern in local binding: `None` not covered
   = note: `let` bindings require an "irrefutable pattern", like a `struct` or an `enum` with only one variant
   = note: for more information, visit https://doc.rust-lang.org/book/ch18-02-refutability.html
 note: `Option<i32>` defined here
+ --> /rustc/d5a82bbd26e1ad8b7401f6a718a9c57c96905483/library/core/src/option.rs:518:1
+  |
+  = note: 
+/rustc/d5a82bbd26e1ad8b7401f6a718a9c57c96905483/library/core/src/option.rs:522:5: not covered
   = note: the matched value is of type `Option<i32>`
 help: you might want to use `if let` to ignore the variant that isn't matched
   |

listings/ch20-web-server/listing-20-22/output.txt

@@ -9,6 +9,7 @@ error[E0507]: cannot move out of `worker.thread` which is behind a mutable refer
    |             move occurs because `worker.thread` has type `JoinHandle<()>`, which does not implement the `Copy` trait
    |
 note: this function takes ownership of the receiver `self`, which moves `worker.thread`
+  --> /rustc/d5a82bbd26e1ad8b7401f6a718a9c57c96905483/library/std/src/thread/mod.rs:1581:17
 
 For more information about this error, try `rustc --explain E0507`.
 error: could not compile `hello` due to previous error

listings/ch20-web-server/no-listing-04-update-worker-definition/output.txt

@@ -7,6 +7,7 @@ error[E0599]: no method named `join` found for enum `Option` in the current scop
    |                           ^^^^ method not found in `Option<JoinHandle<()>>`
    |
 note: the method `join` exists on the type `JoinHandle<()>`
+  --> /rustc/d5a82bbd26e1ad8b7401f6a718a9c57c96905483/library/std/src/thread/mod.rs:1581:5
 help: consider using `Option::expect` to unwrap the `JoinHandle<()>` value, panicking if the value is an `Option::None`
    |
 52 |             worker.thread.expect("REASON").join().unwrap();

rust-toolchain

@@ -1 +1 @@
-1.66
+1.67

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 1.66.1 (released 2023-01-10)
+This version of the text assumes you’re using Rust 1.67.1 (released 2023-02-09)
 or later. See the [“Installation” section of Chapter 1][install]<!-- ignore -->
 to install or update Rust.