Upgrade to Rust 1.79.0

.github/workflows/main.yml

@@ -12,8 +12,8 @@ jobs:
     - name: Install Rust
       run: |
         rustup set profile minimal
-        rustup toolchain install 1.78 -c rust-docs
-        rustup default 1.78
+        rustup toolchain install 1.79 -c rust-docs
+        rustup default 1.79
     - name: Install mdbook
       run: |
         mkdir bin
@@ -36,8 +36,8 @@ jobs:
     - name: Install Rust
       run: |
         rustup set profile minimal
-        rustup toolchain install 1.76 -c rust-docs
-        rustup default 1.76
+        rustup toolchain install 1.79 -c rust-docs
+        rustup default 1.79
     - name: Run `tools` package tests
       run: |
         cargo test

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

@@ -18,7 +18,7 @@ error[E0308]: mismatched types
    = note: expected reference `&String`
               found reference `&{integer}`
 note: method defined here
-  --> /rustc/9b00956e56009bab2aa15d7bff10916599e3d6d6/library/core/src/cmp.rs:836:8
+  --> /rustc/129f3b9964af4d4a709d1383930ade12dfe7c081/library/core/src/cmp.rs:840:8
 
 For more information about this error, try `rustc --explain E0308`.
 error: could not compile `guessing_game` (bin "guessing_game") due to 1 previous error

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

@@ -8,10 +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>`:
-            <i8 as Add>
-            <i8 as Add<&i8>>
             <&'a i8 as Add<i8>>
             <&i8 as Add<&i8>>
+            <i8 as Add<&i8>>
+            <i8 as Add>
 
 For more information about this error, try `rustc --explain E0277`.
 error: could not compile `enums` (bin "enums") due to 1 previous error

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

@@ -7,8 +7,8 @@ error[E0004]: non-exhaustive patterns: `None` not covered
   |               ^ pattern `None` not covered
   |
 note: `Option<i32>` defined here
- --> /rustc/9b00956e56009bab2aa15d7bff10916599e3d6d6/library/core/src/option.rs:572:1
- ::: /rustc/9b00956e56009bab2aa15d7bff10916599e3d6d6/library/core/src/option.rs:576:5
+ --> /rustc/129f3b9964af4d4a709d1383930ade12dfe7c081/library/core/src/option.rs:571:1
+ ::: /rustc/129f3b9964af4d4a709d1383930ade12dfe7c081/library/core/src/option.rs:575:5
   |
   = note: not covered
   = note: the matched value is of type `Option<i32>`

listings/ch10-generic-types-traits-and-lifetimes/listing-10-20/output.txt

@@ -12,23 +12,5 @@ help: consider introducing a named lifetime parameter
 9 | fn longest<'a>(x: &'a str, y: &'a str) -> &'a str {
   |           ++++     ++          ++          ++
 
-error: lifetime may not live long enough
-  --> src/main.rs:11:9
-   |
-9  | fn longest(x: &str, y: &str) -> &str {
-   |               - let's call the lifetime of this reference `'1`
-10 |     if x.len() > y.len() {
-11 |         x
-   |         ^ returning this value requires that `'1` must outlive `'static`
-
-error: lifetime may not live long enough
-  --> src/main.rs:13:9
-   |
-9  | fn longest(x: &str, y: &str) -> &str {
-   |                        - let's call the lifetime of this reference `'2`
-...
-13 |         y
-   |         ^ returning this value requires that `'2` must outlive `'static`
-
 For more information about this error, try `rustc --explain E0106`.
-error: could not compile `chapter10` (bin "chapter10") due to 3 previous errors
+error: could not compile `chapter10` (bin "chapter10") due to 1 previous error

listings/ch11-writing-automated-tests/listing-11-03/src/lib.rs

@@ -12,7 +12,7 @@ mod tests {
         let result = add(2, 2);
         assert_eq!(result, 4);
     }
-    
+
     #[test]
     fn another() {
         panic!("Make this test fail");

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

@@ -9,6 +9,7 @@ test tests::it_adds_two ... FAILED
 failures:
 
 ---- tests::it_adds_two stdout ----
+thread 'tests::it_adds_two' panicked at src/lib.rs:11:9:
 assertion `left == right` failed
   left: 5
  right: 4

listings/ch13-functional-features/listing-13-04/output.txt

@@ -1,4 +1,6 @@
 $ cargo run
+     Locking 1 package to latest compatible version
+      Adding closure-example v0.1.0 (/Users/carolnichols/rust/book/tmp/listings/ch13-functional-features/listing-13-04)
    Compiling closure-example v0.1.0 (file:///projects/closure-example)
     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.43s
      Running `target/debug/closure-example`

listings/ch13-functional-features/listing-13-05/output.txt

@@ -1,4 +1,6 @@
 $ cargo run
+     Locking 1 package to latest compatible version
+      Adding closure-example v0.1.0 (/Users/carolnichols/rust/book/tmp/listings/ch13-functional-features/listing-13-05)
    Compiling closure-example v0.1.0 (file:///projects/closure-example)
     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.43s
      Running `target/debug/closure-example`

listings/ch13-functional-features/listing-13-08/output.txt

@@ -10,6 +10,11 @@ error[E0507]: cannot move out of `value`, a captured variable in an `FnMut` clos
    |                      --- captured by this `FnMut` closure
 18 |         sort_operations.push(value);
    |                              ^^^^^ move occurs because `value` has type `String`, which does not implement the `Copy` trait
+   |
+help: consider cloning the value if the performance cost is acceptable
+   |
+18 |         sort_operations.push(value.clone());
+   |                                   ++++++++
 
 For more information about this error, try `rustc --explain E0507`.
 error: could not compile `rectangles` (bin "rectangles") due to 1 previous error

listings/ch15-smart-pointers/listing-15-21/output.txt

@@ -6,10 +6,14 @@ error[E0596]: cannot borrow `self.sent_messages` as mutable, as it is behind a `
 58 |             self.sent_messages.push(String::from(message));
    |             ^^^^^^^^^^^^^^^^^^ `self` is a `&` reference, so the data it refers to cannot be borrowed as mutable
    |
-help: consider changing this to be a mutable reference
+help: consider changing this to be a mutable reference in the `impl` method and the `trait` definition
+   |
+2  ~     fn send(&mut self, msg: &str);
+3  | }
+ ...
+56 |     impl Messenger for MockMessenger {
+57 ~         fn send(&mut self, message: &str) {
    |
-2  |     fn send(&mut self, msg: &str);
-   |             ~~~~~~~~~
 
 For more information about this error, try `rustc --explain E0596`.
 error: could not compile `limit-tracker` (lib test) due to 1 previous error

listings/ch16-fearless-concurrency/listing-16-09/output.txt

@@ -11,10 +11,6 @@ error[E0382]: borrow of moved value: `val`
    |                          ^^^^^ 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
-   |
-9  |         tx.send(val.clone()).unwrap();
-   |                    ++++++++
 
 For more information about this error, try `rustc --explain E0382`.
 error: could not compile `message-passing` (bin "message-passing") due to 1 previous error

listings/ch16-fearless-concurrency/listing-16-13/output.txt

@@ -6,11 +6,21 @@ error[E0382]: borrow of moved value: `counter`
 5  |     let counter = Mutex::new(0);
    |         ------- move occurs because `counter` has type `Mutex<i32>`, which does not implement the `Copy` trait
 ...
+8  |     for _ in 0..10 {
+   |     -------------- inside of this loop
 9  |         let handle = thread::spawn(move || {
    |                                    ------- value moved into closure here, in previous iteration of loop
 ...
 21 |     println!("Result: {}", *counter.lock().unwrap());
    |                             ^^^^^^^ value borrowed here after move
+   |
+help: consider moving the expression out of the loop so it is only moved once
+   |
+8  ~     let mut value = counter.lock();
+9  ~     for _ in 0..10 {
+10 |         let handle = thread::spawn(move || {
+11 ~             let mut num = value.unwrap();
+   |
 
 For more information about this error, try `rustc --explain E0382`.
 error: could not compile `shared-state` (bin "shared-state") due to 1 previous error

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

@@ -22,7 +22,7 @@ note: required because it's used within this closure
 11 |         let handle = thread::spawn(move || {
    |                                    ^^^^^^^
 note: required by a bound in `spawn`
-  --> /rustc/9b00956e56009bab2aa15d7bff10916599e3d6d6/library/std/src/thread/mod.rs:677:1
+  --> /rustc/129f3b9964af4d4a709d1383930ade12dfe7c081/library/std/src/thread/mod.rs:691:1
 
 For more information about this error, try `rustc --explain E0277`.
 error: could not compile `shared-state` (bin "shared-state") due to 1 previous error

listings/ch19-advanced-features/listing-19-05/output.txt

@@ -12,6 +12,8 @@ error[E0499]: cannot borrow `*values` as mutable more than once at a time
   |     |     |                   second mutable borrow occurs here
   |     |     first mutable borrow occurs here
   |     returning this value requires that `*values` is borrowed for `'1`
+  |
+  = help: use `.split_at_mut(position)` to obtain two mutable non-overlapping sub-slices
 
 For more information about this error, try `rustc --explain E0499`.
 error: could not compile `unsafe-example` (bin "unsafe-example") due to 1 previous error

listings/ch20-web-server/listing-20-17/output.txt

@@ -16,6 +16,12 @@ note: consider changing this parameter type in method `new` to borrow instead if
    |
 47 |     fn new(id: usize, receiver: mpsc::Receiver<Job>) -> Worker {
    |        --- in this method       ^^^^^^^^^^^^^^^^^^^ this parameter takes ownership of the value
+help: consider moving the expression out of the loop so it is only moved once
+   |
+25 ~         let mut value = Worker::new(id, receiver);
+26 ~         for id in 0..size {
+27 ~             workers.push(value);
+   |
 
 For more information about this error, try `rustc --explain E0382`.
 error: could not compile `hello` (lib) due to 1 previous error

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

@@ -9,7 +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: `JoinHandle::<T>::join` takes ownership of the receiver `self`, which moves `worker.thread`
-  --> /rustc/9b00956e56009bab2aa15d7bff10916599e3d6d6/library/std/src/thread/mod.rs:1657:17
+  --> /rustc/129f3b9964af4d4a709d1383930ade12dfe7c081/library/std/src/thread/mod.rs:1718:17
 
 For more information about this error, try `rustc --explain E0507`.
 error: could not compile `hello` (lib) due to 1 previous error

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

@@ -7,7 +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/9b00956e56009bab2aa15d7bff10916599e3d6d6/library/std/src/thread/mod.rs:1657:5
+  --> /rustc/129f3b9964af4d4a709d1383930ade12dfe7c081/library/std/src/thread/mod.rs:1718:5
 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 @@
-1.78
+1.79

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 1.78.0 (released 2024-05-02)
+This version of the text assumes you’re using Rust 1.79.0 (released 2024-06-13)
 or later. See the [“Installation” section of Chapter 1][install]<!-- ignore -->
 to install or update Rust.