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.
48 lines
2.3 KiB
Plaintext
48 lines
2.3 KiB
Plaintext
error[E0277]: `core::fmt::rt::Opaque` cannot be shared between threads safely
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--> $DIR/send-sync.rs:8:10
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LL | send(format_args!("{:?}", c));
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| ---- ^^^^^^^^^^^^^^^^^^^^^^^ `core::fmt::rt::Opaque` cannot be shared between threads safely
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| required by a bound introduced by this call
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= help: within `[core::fmt::rt::Argument<'_>]`, the trait `Sync` is not implemented for `core::fmt::rt::Opaque`, which is required by `Arguments<'_>: Send`
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= note: required because it appears within the type `&core::fmt::rt::Opaque`
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note: required because it appears within the type `core::fmt::rt::Argument<'_>`
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--> $SRC_DIR/core/src/fmt/rt.rs:LL:COL
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= note: required because it appears within the type `[core::fmt::rt::Argument<'_>]`
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= note: required for `&[core::fmt::rt::Argument<'_>]` to implement `Send`
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note: required because it appears within the type `Arguments<'_>`
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--> $SRC_DIR/core/src/fmt/mod.rs:LL:COL
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note: required by a bound in `send`
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--> $DIR/send-sync.rs:1:12
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LL | fn send<T: Send>(_: T) {}
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| ^^^^ required by this bound in `send`
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error[E0277]: `core::fmt::rt::Opaque` cannot be shared between threads safely
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--> $DIR/send-sync.rs:9:10
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LL | sync(format_args!("{:?}", c));
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| ---- ^^^^^^^^^^^^^^^^^^^^^^^ `core::fmt::rt::Opaque` cannot be shared between threads safely
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| required by a bound introduced by this call
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= help: within `Arguments<'_>`, the trait `Sync` is not implemented for `core::fmt::rt::Opaque`, which is required by `Arguments<'_>: Sync`
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= note: required because it appears within the type `&core::fmt::rt::Opaque`
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note: required because it appears within the type `core::fmt::rt::Argument<'_>`
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--> $SRC_DIR/core/src/fmt/rt.rs:LL:COL
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= note: required because it appears within the type `[core::fmt::rt::Argument<'_>]`
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= note: required because it appears within the type `&[core::fmt::rt::Argument<'_>]`
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note: required because it appears within the type `Arguments<'_>`
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--> $SRC_DIR/core/src/fmt/mod.rs:LL:COL
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note: required by a bound in `sync`
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--> $DIR/send-sync.rs:2:12
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LL | fn sync<T: Sync>(_: T) {}
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| ^^^^ required by this bound in `sync`
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error: aborting due to 2 previous errors
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For more information about this error, try `rustc --explain E0277`.
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