5b54286640
Remove the "which is required by `{root_obligation}`" post-script in
"the trait `X` is not implemented for `Y`" explanation in E0277. This
information is already conveyed in the notes explaining requirements,
making it redundant while making the text (particularly in labels)
harder to read.
```
error[E0277]: the trait bound `NotCopy: Copy` is not satisfied
--> $DIR/wf-static-type.rs:10:13
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LL | static FOO: IsCopy<Option<NotCopy>> = IsCopy { t: None };
| ^^^^^^^^^^^^^^^^^^^^^^^ the trait `Copy` is not implemented for `NotCopy`
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= note: required for `Option<NotCopy>` to implement `Copy`
note: required by a bound in `IsCopy`
--> $DIR/wf-static-type.rs:7:17
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LL | struct IsCopy<T:Copy> { t: T }
| ^^^^ required by this bound in `IsCopy`
```
vs the prior
```
error[E0277]: the trait bound `NotCopy: Copy` is not satisfied
--> $DIR/wf-static-type.rs:10:13
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LL | static FOO: IsCopy<Option<NotCopy>> = IsCopy { t: None };
| ^^^^^^^^^^^^^^^^^^^^^^^ the trait `Copy` is not implemented for `NotCopy`, which is required by `Option<NotCopy>: Copy`
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= note: required for `Option<NotCopy>` to implement `Copy`
note: required by a bound in `IsCopy`
--> $DIR/wf-static-type.rs:7:17
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LL | struct IsCopy<T:Copy> { t: T }
| ^^^^ required by this bound in `IsCopy`
```
21 lines
850 B
Plaintext
21 lines
850 B
Plaintext
error[E0277]: `Cell<i32>` cannot be shared between threads safely
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--> $DIR/mutexguard-sync.rs:11:15
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LL | test_sync(guard);
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| --------- ^^^^^ `Cell<i32>` cannot be shared between threads safely
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| |
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| required by a bound introduced by this call
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= help: the trait `Sync` is not implemented for `Cell<i32>`
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= note: if you want to do aliasing and mutation between multiple threads, use `std::sync::RwLock` or `std::sync::atomic::AtomicI32` instead
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= note: required for `MutexGuard<'_, Cell<i32>>` to implement `Sync`
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note: required by a bound in `test_sync`
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--> $DIR/mutexguard-sync.rs:5:17
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LL | fn test_sync<T: Sync>(_t: T) {}
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| ^^^^ required by this bound in `test_sync`
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error: aborting due to 1 previous error
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For more information about this error, try `rustc --explain E0277`.
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