Merge pull request #4089 from rust-lang/rust-1.82

Update to Rust 1.82

.github/workflows/main.yml

@@ -12,8 +12,8 @@ jobs:
     - name: Install Rust
       run: |
         rustup set profile minimal
-        rustup toolchain install 1.81 -c rust-docs
-        rustup default 1.81
+        rustup toolchain install 1.82 -c rust-docs
+        rustup default 1.82
     - name: Install mdbook
       run: |
         mkdir bin
@@ -47,8 +47,8 @@ jobs:
     - name: Install Rust
       run: |
         rustup set profile minimal
-        rustup toolchain install 1.81 -c rust-docs
-        rustup default 1.81
+        rustup toolchain install 1.82 -c rust-docs
+        rustup default 1.82
     - name: Run `tools` package tests
       run: |
         cargo test

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

@@ -1,10 +1,4 @@
 $ cargo build
- Downloading crates ...
-  Downloaded rand_core v0.6.2
-  Downloaded getrandom v0.2.2
-  Downloaded rand_chacha v0.3.0
-  Downloaded ppv-lite86 v0.2.10
-  Downloaded libc v0.2.86
    Compiling libc v0.2.86
    Compiling getrandom v0.2.2
    Compiling cfg-if v1.0.0
@@ -14,17 +8,20 @@ $ cargo build
    Compiling rand v0.8.5
    Compiling guessing_game v0.1.0 (file:///projects/guessing_game)
 error[E0308]: mismatched types
-  --> src/main.rs:22:21
-   |
-22 |     match guess.cmp(&secret_number) {
-   |                 --- ^^^^^^^^^^^^^^ expected `&String`, found `&{integer}`
-   |                 |
-   |                 arguments to this method are incorrect
-   |
-   = note: expected reference `&String`
-              found reference `&{integer}`
+   --> src/main.rs:22:21
+    |
+22  |     match guess.cmp(&secret_number) {
+    |                 --- ^^^^^^^^^^^^^^ expected `&String`, found `&{integer}`
+    |                 |
+    |                 arguments to this method are incorrect
+    |
+    = note: expected reference `&String`
+               found reference `&{integer}`
 note: method defined here
-  --> /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/core/src/cmp.rs:839:8
+   --> file:///home/.rustup/toolchains/1.82/lib/rustlib/src/rust/library/core/src/cmp.rs:838:8
+    |
+838 |     fn cmp(&self, other: &Self) -> Ordering;
+    |        ^^^
 
 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-10-non-exhaustive-match/output.txt

@@ -1,22 +1,25 @@
 $ cargo run
    Compiling enums v0.1.0 (file:///projects/enums)
 error[E0004]: non-exhaustive patterns: `None` not covered
- --> src/main.rs:3:15
-  |
-3 |         match x {
-  |               ^ pattern `None` not covered
-  |
+   --> src/main.rs:3:15
+    |
+3   |         match x {
+    |               ^ pattern `None` not covered
+    |
 note: `Option<i32>` defined here
- --> /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/core/src/option.rs:574:1
- ::: /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/core/src/option.rs:578:5
-  |
-  = note: not covered
-  = note: the matched value is of type `Option<i32>`
+   --> file:///home/.rustup/toolchains/1.82/lib/rustlib/src/rust/library/core/src/option.rs:571:1
+    |
+571 | pub enum Option<T> {
+    | ^^^^^^^^^^^^^^^^^^
+...
+575 |     None,
+    |     ---- 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
-  |
-4 ~             Some(i) => Some(i + 1),
-5 ~             None => todo!(),
-  |
+    |
+4   ~             Some(i) => Some(i + 1),
+5   ~             None => todo!(),
+    |
 
 For more information about this error, try `rustc --explain E0004`.
 error: could not compile `enums` (bin "enums") due to 1 previous error

listings/ch09-error-handling/listing-09-10/output.txt

@@ -13,9 +13,7 @@ help: consider adding return type
   |
 3 ~ fn main() -> Result<(), Box<dyn std::error::Error>> {
 4 |     let greeting_file = File::open("hello.txt")?;
-5 + 
-6 +     Ok(())
-7 + }
+5 +     Ok(())
   |
 
 For more information about this error, try `rustc --explain E0277`.

listings/ch15-smart-pointers/output-only-01-comparing-to-reference/output.txt

@@ -8,6 +8,11 @@ error[E0277]: can't compare `{integer}` with `&{integer}`
   |
   = help: the trait `PartialEq<&{integer}>` is not implemented for `{integer}`
   = note: this error originates in the macro `assert_eq` (in Nightly builds, run with -Z macro-backtrace for more info)
+help: consider dereferencing here
+ --> file:///home/.rustup/toolchains/1.82/lib/rustlib/src/rust/library/core/src/macros/mod.rs:46:35
+  |
+46|                 if !(*left_val == **right_val) {
+  |                                   +
 
 For more information about this error, try `rustc --explain E0277`.
 error: could not compile `deref-example` (bin "deref-example") due to 1 previous error

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

@@ -1,28 +1,34 @@
 $ cargo run
    Compiling shared-state v0.1.0 (file:///projects/shared-state)
 error[E0277]: `Rc<Mutex<i32>>` cannot be sent between threads safely
-  --> src/main.rs:11:36
-   |
-11 |           let handle = thread::spawn(move || {
-   |                        ------------- ^------
-   |                        |             |
-   |  ______________________|_____________within this `{closure@src/main.rs:11:36: 11:43}`
-   | |                      |
-   | |                      required by a bound introduced by this call
-12 | |             let mut num = counter.lock().unwrap();
-13 | |
-14 | |             *num += 1;
-15 | |         });
-   | |_________^ `Rc<Mutex<i32>>` cannot be sent between threads safely
-   |
-   = help: within `{closure@src/main.rs:11:36: 11:43}`, the trait `Send` is not implemented for `Rc<Mutex<i32>>`, which is required by `{closure@src/main.rs:11:36: 11:43}: Send`
+   --> src/main.rs:11:36
+    |
+11  |           let handle = thread::spawn(move || {
+    |                        ------------- ^------
+    |                        |             |
+    |  ______________________|_____________within this `{closure@src/main.rs:11:36: 11:43}`
+    | |                      |
+    | |                      required by a bound introduced by this call
+12  | |             let mut num = counter.lock().unwrap();
+13  | |
+14  | |             *num += 1;
+15  | |         });
+    | |_________^ `Rc<Mutex<i32>>` cannot be sent between threads safely
+    |
+    = help: within `{closure@src/main.rs:11:36: 11:43}`, the trait `Send` is not implemented for `Rc<Mutex<i32>>`, which is required by `{closure@src/main.rs:11:36: 11:43}: Send`
 note: required because it's used within this closure
-  --> src/main.rs:11:36
-   |
-11 |         let handle = thread::spawn(move || {
-   |                                    ^^^^^^^
+   --> src/main.rs:11:36
+    |
+11  |         let handle = thread::spawn(move || {
+    |                                    ^^^^^^^
 note: required by a bound in `spawn`
-  --> /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/std/src/thread/mod.rs:688:1
+   --> file:///home/.rustup/toolchains/1.82/lib/rustlib/src/rust/library/std/src/thread/mod.rs:675:8
+    |
+672 | pub fn spawn<F, T>(f: F) -> JoinHandle<T>
+    |        ----- required by a bound in this function
+...
+675 |     F: Send + 'static,
+    |        ^^^^ required by this bound in `spawn`
 
 For more information about this error, try `rustc --explain E0277`.
 error: could not compile `shared-state` (bin "shared-state") due to 1 previous error