diff options
Diffstat (limited to 'src/doc/book/listings')
27 files changed, 53 insertions, 37 deletions
diff --git a/src/doc/book/listings/ch02-guessing-game-tutorial/listing-02-04/output.txt b/src/doc/book/listings/ch02-guessing-game-tutorial/listing-02-04/output.txt index 70a0c930c..3640c0694 100644 --- a/src/doc/book/listings/ch02-guessing-game-tutorial/listing-02-04/output.txt +++ b/src/doc/book/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 diff --git a/src/doc/book/listings/ch02-guessing-game-tutorial/no-listing-02-without-expect/output.txt b/src/doc/book/listings/ch02-guessing-game-tutorial/no-listing-02-without-expect/output.txt index 8095bbd8d..9517af95f 100644 --- a/src/doc/book/listings/ch02-guessing-game-tutorial/no-listing-02-without-expect/output.txt +++ b/src/doc/book/listings/ch02-guessing-game-tutorial/no-listing-02-without-expect/output.txt @@ -4,10 +4,10 @@ warning: unused `Result` that must be used --> src/main.rs:10:5 | 10 | io::stdin().read_line(&mut guess); - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | - = note: `#[warn(unused_must_use)]` on by default = note: this `Result` may be an `Err` variant, which should be handled + = note: `#[warn(unused_must_use)]` on by default warning: `guessing_game` (bin "guessing_game") generated 1 warning Finished dev [unoptimized + debuginfo] target(s) in 0.59s diff --git a/src/doc/book/listings/ch03-common-programming-concepts/no-listing-23-statements-dont-return-values/output.txt b/src/doc/book/listings/ch03-common-programming-concepts/no-listing-23-statements-dont-return-values/output.txt index c0484ea1b..d27a7fae2 100644 --- a/src/doc/book/listings/ch03-common-programming-concepts/no-listing-23-statements-dont-return-values/output.txt +++ b/src/doc/book/listings/ch03-common-programming-concepts/no-listing-23-statements-dont-return-values/output.txt @@ -8,7 +8,7 @@ error[E0308]: mismatched types | | | implicitly returns `()` as its body has no tail or `return` expression 8 | x + 1; - | - help: remove this semicolon + | - help: remove this semicolon to return this value For more information about this error, try `rustc --explain E0308`. error: could not compile `functions` due to previous error diff --git a/src/doc/book/listings/ch04-understanding-ownership/no-listing-04-cant-use-after-move/output.txt b/src/doc/book/listings/ch04-understanding-ownership/no-listing-04-cant-use-after-move/output.txt index 05987f7c8..4a5356701 100644 --- a/src/doc/book/listings/ch04-understanding-ownership/no-listing-04-cant-use-after-move/output.txt +++ b/src/doc/book/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 diff --git a/src/doc/book/listings/ch06-enums-and-pattern-matching/no-listing-07-cant-use-option-directly/output.txt b/src/doc/book/listings/ch06-enums-and-pattern-matching/no-listing-07-cant-use-option-directly/output.txt index d4a040e8e..a16dc0180 100644 --- a/src/doc/book/listings/ch06-enums-and-pattern-matching/no-listing-07-cant-use-option-directly/output.txt +++ b/src/doc/book/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>> - and 48 others + <&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` due to previous error diff --git a/src/doc/book/listings/ch06-enums-and-pattern-matching/no-listing-10-non-exhaustive-match/output.txt b/src/doc/book/listings/ch06-enums-and-pattern-matching/no-listing-10-non-exhaustive-match/output.txt index bec72849a..75d056f84 100644 --- a/src/doc/book/listings/ch06-enums-and-pattern-matching/no-listing-10-non-exhaustive-match/output.txt +++ b/src/doc/book/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 | diff --git a/src/doc/book/listings/ch07-managing-growing-projects/listing-07-12/output.txt b/src/doc/book/listings/ch07-managing-growing-projects/listing-07-12/output.txt index 39b650540..1bc89bf32 100644 --- a/src/doc/book/listings/ch07-managing-growing-projects/listing-07-12/output.txt +++ b/src/doc/book/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 diff --git a/src/doc/book/listings/ch08-common-collections/listing-08-19/output.txt b/src/doc/book/listings/ch08-common-collections/listing-08-19/output.txt index 95577772e..3a682457c 100644 --- a/src/doc/book/listings/ch08-common-collections/listing-08-19/output.txt +++ b/src/doc/book/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 diff --git a/src/doc/book/listings/ch11-writing-automated-tests/listing-11-03/output.txt b/src/doc/book/listings/ch11-writing-automated-tests/listing-11-03/output.txt index 2fa5cf077..e8c31e79e 100644 --- a/src/doc/book/listings/ch11-writing-automated-tests/listing-11-03/output.txt +++ b/src/doc/book/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 diff --git a/src/doc/book/listings/ch11-writing-automated-tests/listing-11-10/output.txt b/src/doc/book/listings/ch11-writing-automated-tests/listing-11-10/output.txt index 681cfbb81..b0d10deaa 100644 --- a/src/doc/book/listings/ch11-writing-automated-tests/listing-11-10/output.txt +++ b/src/doc/book/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 diff --git a/src/doc/book/listings/ch11-writing-automated-tests/no-listing-03-introducing-a-bug/output.txt b/src/doc/book/listings/ch11-writing-automated-tests/no-listing-03-introducing-a-bug/output.txt index 7c62822f7..6fbb5e496 100644 --- a/src/doc/book/listings/ch11-writing-automated-tests/no-listing-03-introducing-a-bug/output.txt +++ b/src/doc/book/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 diff --git a/src/doc/book/listings/ch11-writing-automated-tests/no-listing-04-bug-in-add-two/output.txt b/src/doc/book/listings/ch11-writing-automated-tests/no-listing-04-bug-in-add-two/output.txt index 28e2414be..00bf63fff 100644 --- a/src/doc/book/listings/ch11-writing-automated-tests/no-listing-04-bug-in-add-two/output.txt +++ b/src/doc/book/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 diff --git a/src/doc/book/listings/ch11-writing-automated-tests/no-listing-06-greeter-with-bug/output.txt b/src/doc/book/listings/ch11-writing-automated-tests/no-listing-06-greeter-with-bug/output.txt index 3366e3ace..68d724f11 100644 --- a/src/doc/book/listings/ch11-writing-automated-tests/no-listing-06-greeter-with-bug/output.txt +++ b/src/doc/book/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 diff --git a/src/doc/book/listings/ch11-writing-automated-tests/no-listing-07-custom-failure-message/output.txt b/src/doc/book/listings/ch11-writing-automated-tests/no-listing-07-custom-failure-message/output.txt index cebebdaee..03d6ad7f1 100644 --- a/src/doc/book/listings/ch11-writing-automated-tests/no-listing-07-custom-failure-message/output.txt +++ b/src/doc/book/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 diff --git a/src/doc/book/listings/ch11-writing-automated-tests/no-listing-09-guess-with-panic-msg-bug/output.txt b/src/doc/book/listings/ch11-writing-automated-tests/no-listing-09-guess-with-panic-msg-bug/output.txt index c176e88b8..0b045e8be 100644 --- a/src/doc/book/listings/ch11-writing-automated-tests/no-listing-09-guess-with-panic-msg-bug/output.txt +++ b/src/doc/book/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."`, diff --git a/src/doc/book/listings/ch11-writing-automated-tests/output-only-01-show-output/output.txt b/src/doc/book/listings/ch11-writing-automated-tests/output-only-01-show-output/output.txt index 4ececf245..bc03145a1 100644 --- a/src/doc/book/listings/ch11-writing-automated-tests/output-only-01-show-output/output.txt +++ b/src/doc/book/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 diff --git a/src/doc/book/listings/ch12-an-io-project/listing-12-12/output.txt b/src/doc/book/listings/ch12-an-io-project/listing-12-12/output.txt index c18902518..9870b2125 100644 --- a/src/doc/book/listings/ch12-an-io-project/listing-12-12/output.txt +++ b/src/doc/book/listings/ch12-an-io-project/listing-12-12/output.txt @@ -4,10 +4,10 @@ warning: unused `Result` that must be used --> src/main.rs:19:5 | 19 | run(config); - | ^^^^^^^^^^^^ + | ^^^^^^^^^^^ | - = note: `#[warn(unused_must_use)]` on by default = note: this `Result` may be an `Err` variant, which should be handled + = note: `#[warn(unused_must_use)]` on by default warning: `minigrep` (bin "minigrep") generated 1 warning Finished dev [unoptimized + debuginfo] target(s) in 0.71s diff --git a/src/doc/book/listings/ch12-an-io-project/listing-12-16/output.txt b/src/doc/book/listings/ch12-an-io-project/listing-12-16/output.txt index 3c34e3945..be4a97eea 100644 --- a/src/doc/book/listings/ch12-an-io-project/listing-12-16/output.txt +++ b/src/doc/book/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 diff --git a/src/doc/book/listings/ch13-functional-features/listing-13-14/output.txt b/src/doc/book/listings/ch13-functional-features/listing-13-14/output.txt index 228c764ed..993037991 100644 --- a/src/doc/book/listings/ch13-functional-features/listing-13-14/output.txt +++ b/src/doc/book/listings/ch13-functional-features/listing-13-14/output.txt @@ -4,10 +4,10 @@ warning: unused `Map` that must be used --> src/main.rs:4:5 | 4 | v1.iter().map(|x| x + 1); - | ^^^^^^^^^^^^^^^^^^^^^^^^^ + | ^^^^^^^^^^^^^^^^^^^^^^^^ | - = note: `#[warn(unused_must_use)]` on by default = note: iterators are lazy and do nothing unless consumed + = note: `#[warn(unused_must_use)]` on by default warning: `iterators` (bin "iterators") generated 1 warning Finished dev [unoptimized + debuginfo] target(s) in 0.47s diff --git a/src/doc/book/listings/ch15-smart-pointers/listing-15-03/output.txt b/src/doc/book/listings/ch15-smart-pointers/listing-15-03/output.txt index d5522cd53..04b6976fe 100644 --- a/src/doc/book/listings/ch15-smart-pointers/listing-15-03/output.txt +++ b/src/doc/book/listings/ch15-smart-pointers/listing-15-03/output.txt @@ -4,11 +4,11 @@ error[E0072]: recursive type `List` has infinite size --> src/main.rs:1:1 | 1 | enum List { - | ^^^^^^^^^ recursive type has infinite size + | ^^^^^^^^^ 2 | Cons(i32, List), | ---- recursive without indirection | -help: insert some indirection (e.g., a `Box`, `Rc`, or `&`) to make `List` representable +help: insert some indirection (e.g., a `Box`, `Rc`, or `&`) to break the cycle | 2 | Cons(i32, Box<List>), | ++++ + diff --git a/src/doc/book/listings/ch15-smart-pointers/listing-15-23/output.txt b/src/doc/book/listings/ch15-smart-pointers/listing-15-23/output.txt index 3749c845c..0ffabf765 100644 --- a/src/doc/book/listings/ch15-smart-pointers/listing-15-23/output.txt +++ b/src/doc/book/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 diff --git a/src/doc/book/listings/ch16-fearless-concurrency/listing-16-14/output.txt b/src/doc/book/listings/ch16-fearless-concurrency/listing-16-14/output.txt index 0634b86e5..e8cf21a73 100644 --- a/src/doc/book/listings/ch16-fearless-concurrency/listing-16-14/output.txt +++ b/src/doc/book/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 diff --git a/src/doc/book/listings/ch18-patterns-and-matching/listing-18-08/output.txt b/src/doc/book/listings/ch18-patterns-and-matching/listing-18-08/output.txt index 0fd5373b8..52efabb5c 100644 --- a/src/doc/book/listings/ch18-patterns-and-matching/listing-18-08/output.txt +++ b/src/doc/book/listings/ch18-patterns-and-matching/listing-18-08/output.txt @@ -9,11 +9,19 @@ 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 | 3 | let x = if let Some(x) = some_option_value { x } else { todo!() }; | ++++++++++ ++++++++++++++++++++++ +help: alternatively, you might want to use let else to handle the variant that isn't matched + | +3 | let Some(x) = some_option_value else { todo!() }; + | ++++++++++++++++ For more information about this error, try `rustc --explain E0005`. error: could not compile `patterns` due to previous error diff --git a/src/doc/book/listings/ch18-patterns-and-matching/listing-18-10/output.txt b/src/doc/book/listings/ch18-patterns-and-matching/listing-18-10/output.txt index 702d10a23..6488fb29c 100644 --- a/src/doc/book/listings/ch18-patterns-and-matching/listing-18-10/output.txt +++ b/src/doc/book/listings/ch18-patterns-and-matching/listing-18-10/output.txt @@ -6,9 +6,9 @@ warning: irrefutable `if let` pattern 2 | if let x = 5 { | ^^^^^^^^^ | - = note: `#[warn(irrefutable_let_patterns)]` on by default = note: this pattern will always match, so the `if let` is useless = help: consider replacing the `if let` with a `let` + = note: `#[warn(irrefutable_let_patterns)]` on by default warning: `patterns` (bin "patterns") generated 1 warning Finished dev [unoptimized + debuginfo] target(s) in 0.39s diff --git a/src/doc/book/listings/ch19-advanced-features/listing-19-20/output.txt b/src/doc/book/listings/ch19-advanced-features/listing-19-20/output.txt index a3b281e3f..594287604 100644 --- a/src/doc/book/listings/ch19-advanced-features/listing-19-20/output.txt +++ b/src/doc/book/listings/ch19-advanced-features/listing-19-20/output.txt @@ -11,8 +11,8 @@ error[E0790]: cannot call associated function on trait without specifying the co | help: use the fully-qualified path to the only available implementation | -20 | println!("A baby dog is called a {}", <::Dog as Animal>::baby_name()); - | +++++++++ + +20 | println!("A baby dog is called a {}", <Dog as Animal>::baby_name()); + | +++++++ + For more information about this error, try `rustc --explain E0790`. error: could not compile `traits-example` due to previous error diff --git a/src/doc/book/listings/ch20-web-server/listing-20-22/output.txt b/src/doc/book/listings/ch20-web-server/listing-20-22/output.txt index a6c9e8d3b..342bf9a16 100644 --- a/src/doc/book/listings/ch20-web-server/listing-20-22/output.txt +++ b/src/doc/book/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 diff --git a/src/doc/book/listings/ch20-web-server/no-listing-04-update-worker-definition/output.txt b/src/doc/book/listings/ch20-web-server/no-listing-04-update-worker-definition/output.txt index e4c0eeb2a..fec2377dc 100644 --- a/src/doc/book/listings/ch20-web-server/no-listing-04-update-worker-definition/output.txt +++ b/src/doc/book/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(); |