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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`
```
22 lines
841 B
Plaintext
22 lines
841 B
Plaintext
error[E0277]: `PhantomPinned` cannot be unpinned
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--> $DIR/pin-needed-to-poll-2.rs:43:18
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LL | Pin::new(&mut self.sleep).poll(cx)
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| -------- ^^^^^^^^^^^^^^^ within `Sleep`, the trait `Unpin` is not implemented for `PhantomPinned`
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| |
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| required by a bound introduced by this call
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= note: consider using the `pin!` macro
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consider using `Box::pin` if you need to access the pinned value outside of the current scope
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note: required because it appears within the type `Sleep`
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--> $DIR/pin-needed-to-poll-2.rs:8:8
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LL | struct Sleep(std::marker::PhantomPinned);
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| ^^^^^
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note: required by a bound in `Pin::<Ptr>::new`
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--> $SRC_DIR/core/src/pin.rs:LL:COL
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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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