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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`
```
37 lines
1.2 KiB
Plaintext
37 lines
1.2 KiB
Plaintext
error[E0568]: auto traits cannot have super traits or lifetime bounds
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--> $DIR/supertrait-auto-trait.rs:8:17
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LL | auto trait Magic: Copy {}
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| -----^^^^^^ help: remove the super traits or lifetime bounds
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| auto traits cannot have super traits or lifetime bounds
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error[E0277]: the trait bound `NoClone: Magic` is not satisfied
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--> $DIR/supertrait-auto-trait.rs:16:23
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LL | let (a, b) = copy(NoClone);
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| ---- ^^^^^^^ the trait `Copy` is not implemented for `NoClone`
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| required by a bound introduced by this call
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note: required for `NoClone` to implement `Magic`
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--> $DIR/supertrait-auto-trait.rs:8:12
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LL | auto trait Magic: Copy {}
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| ^^^^^
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note: required by a bound in `copy`
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--> $DIR/supertrait-auto-trait.rs:10:12
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LL | fn copy<T: Magic>(x: T) -> (T, T) { (x, x) }
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| ^^^^^ required by this bound in `copy`
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help: consider annotating `NoClone` with `#[derive(Copy)]`
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LL + #[derive(Copy)]
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LL | struct NoClone;
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error: aborting due to 2 previous errors
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Some errors have detailed explanations: E0277, E0568.
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For more information about an error, try `rustc --explain E0277`.
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