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`
```
25 lines
949 B
Plaintext
25 lines
949 B
Plaintext
error[E0277]: the trait bound `T: Clone` is not satisfied
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--> $DIR/global-cache-and-parallel-frontend.rs:15:17
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LL | #[derive(Clone, Eq)]
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| ^^ the trait `Clone` is not implemented for `T`
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note: required for `Struct<T>` to implement `PartialEq`
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--> $DIR/global-cache-and-parallel-frontend.rs:18:19
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LL | impl<T: Clone, U> PartialEq<U> for Struct<T>
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| ----- ^^^^^^^^^^^^ ^^^^^^^^^
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| |
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| unsatisfied trait bound introduced here
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note: required by a bound in `Eq`
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--> $SRC_DIR/core/src/cmp.rs:LL:COL
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= note: this error originates in the derive macro `Eq` (in Nightly builds, run with -Z macro-backtrace for more info)
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help: consider restricting type parameter `T`
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LL | pub struct Struct<T: std::clone::Clone>(T);
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| +++++++++++++++++++
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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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