6efddac288
Expand the primary span of E0277 when the immediate unmet bound is not what the user wrote:
```
error[E0277]: the trait bound `i32: Bar` is not satisfied
--> f100.rs:6:6
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6 | <i32 as Foo>::foo();
| ^^^ the trait `Bar` is not implemented for `i32`, which is required by `i32: Foo`
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help: this trait has no implementations, consider adding one
--> f100.rs:2:1
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2 | trait Bar {}
| ^^^^^^^^^
note: required for `i32` to implement `Foo`
--> f100.rs:3:14
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3 | impl<T: Bar> Foo for T {}
| --- ^^^ ^
| |
| unsatisfied trait bound introduced here
```
Fix #40120.
130 lines
5.2 KiB
Plaintext
130 lines
5.2 KiB
Plaintext
error[E0277]: `dummy::TestType` cannot be sent between threads safely
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--> $DIR/negated-auto-traits-error.rs:23:11
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LL | Outer(TestType);
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| ----- ^^^^^^^^ `dummy::TestType` cannot be sent between threads safely
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| required by a bound introduced by this call
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= help: the trait `Send` is not implemented for `dummy::TestType`
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note: required by a bound in `Outer`
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--> $DIR/negated-auto-traits-error.rs:10:17
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LL | struct Outer<T: Send>(T);
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| ^^^^ required by this bound in `Outer`
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error[E0277]: `dummy::TestType` cannot be sent between threads safely
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--> $DIR/negated-auto-traits-error.rs:23:5
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LL | Outer(TestType);
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| ^^^^^^^^^^^^^^^ `dummy::TestType` cannot be sent between threads safely
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= help: the trait `Send` is not implemented for `dummy::TestType`
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note: required by a bound in `Outer`
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--> $DIR/negated-auto-traits-error.rs:10:17
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LL | struct Outer<T: Send>(T);
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| ^^^^ required by this bound in `Outer`
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error[E0277]: `dummy1b::TestType` cannot be sent between threads safely
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--> $DIR/negated-auto-traits-error.rs:32:13
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LL | is_send(TestType);
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| ------- ^^^^^^^^ `dummy1b::TestType` cannot be sent between threads safely
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| required by a bound introduced by this call
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= help: the trait `Send` is not implemented for `dummy1b::TestType`
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note: required by a bound in `is_send`
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--> $DIR/negated-auto-traits-error.rs:16:15
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LL | fn is_send<T: Send>(_: T) {}
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| ^^^^ required by this bound in `is_send`
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error[E0277]: `dummy1c::TestType` cannot be sent between threads safely
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--> $DIR/negated-auto-traits-error.rs:40:13
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LL | is_send((8, TestType));
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| ------- ^^^^^^^^^^^^^ `dummy1c::TestType` cannot be sent between threads safely
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| required by a bound introduced by this call
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= help: within `({integer}, dummy1c::TestType)`, the trait `Send` is not implemented for `dummy1c::TestType`, which is required by `({integer}, dummy1c::TestType): Send`
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= note: required because it appears within the type `({integer}, dummy1c::TestType)`
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note: required by a bound in `is_send`
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--> $DIR/negated-auto-traits-error.rs:16:15
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LL | fn is_send<T: Send>(_: T) {}
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| ^^^^ required by this bound in `is_send`
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error[E0277]: `dummy2::TestType` cannot be sent between threads safely
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--> $DIR/negated-auto-traits-error.rs:48:13
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LL | is_send(Box::new(TestType));
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| ------- ^^^^^^^^^^^^^^^^^^ the trait `Send` is not implemented for `Unique<dummy2::TestType>`
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| required by a bound introduced by this call
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= note: the trait bound `Unique<dummy2::TestType>: Send` is not satisfied
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= note: required for `Unique<dummy2::TestType>` to implement `Send`
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note: required because it appears within the type `Box<dummy2::TestType>`
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--> $SRC_DIR/alloc/src/boxed.rs:LL:COL
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note: required by a bound in `is_send`
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--> $DIR/negated-auto-traits-error.rs:16:15
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LL | fn is_send<T: Send>(_: T) {}
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| ^^^^ required by this bound in `is_send`
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help: consider borrowing here
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LL | is_send(&Box::new(TestType));
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| +
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error[E0277]: `dummy3::TestType` cannot be sent between threads safely
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--> $DIR/negated-auto-traits-error.rs:56:13
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LL | is_send(Box::new(Outer2(TestType)));
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| ------- ^^^^^^^^^^^^^^^^^^^^^^^^^^ `dummy3::TestType` cannot be sent between threads safely
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| required by a bound introduced by this call
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= help: within `Outer2<dummy3::TestType>`, the trait `Send` is not implemented for `dummy3::TestType`, which is required by `Box<Outer2<dummy3::TestType>>: Send`
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note: required because it appears within the type `Outer2<dummy3::TestType>`
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--> $DIR/negated-auto-traits-error.rs:12:8
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LL | struct Outer2<T>(T);
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| ^^^^^^
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= note: required for `Unique<Outer2<dummy3::TestType>>` to implement `Send`
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note: required because it appears within the type `Box<Outer2<dummy3::TestType>>`
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--> $SRC_DIR/alloc/src/boxed.rs:LL:COL
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note: required by a bound in `is_send`
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--> $DIR/negated-auto-traits-error.rs:16:15
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LL | fn is_send<T: Send>(_: T) {}
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| ^^^^ required by this bound in `is_send`
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error[E0277]: `main::TestType` cannot be sent between threads safely
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--> $DIR/negated-auto-traits-error.rs:66:20
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LL | is_sync(Outer2(TestType));
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| ------- ^^^^^^^^ `main::TestType` cannot be sent between threads safely
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| required by a bound introduced by this call
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= help: the trait `Send` is not implemented for `main::TestType`, which is required by `Outer2<main::TestType>: Sync`
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note: required for `Outer2<main::TestType>` to implement `Sync`
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--> $DIR/negated-auto-traits-error.rs:14:22
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LL | unsafe impl<T: Send> Sync for Outer2<T> {}
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| ---- ^^^^ ^^^^^^^^^
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| unsatisfied trait bound introduced here
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note: required by a bound in `is_sync`
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--> $DIR/negated-auto-traits-error.rs:17:15
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LL | fn is_sync<T: Sync>(_: T) {}
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| ^^^^ required by this bound in `is_sync`
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error: aborting due to 7 previous errors
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For more information about this error, try `rustc --explain E0277`.
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