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`
|
= 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`
```
34 lines
1.4 KiB
Plaintext
34 lines
1.4 KiB
Plaintext
error[E0277]: `&'static (dyn Dummy + 'static)` cannot be sent between threads safely
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--> $DIR/kindck-send-object.rs:12:19
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LL | assert_send::<&'static (dyn Dummy + 'static)>();
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ `&'static (dyn Dummy + 'static)` cannot be sent between threads safely
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= help: the trait `Sync` is not implemented for `(dyn Dummy + 'static)`
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= note: required for `&'static (dyn Dummy + 'static)` to implement `Send`
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note: required by a bound in `assert_send`
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--> $DIR/kindck-send-object.rs:5:18
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LL | fn assert_send<T:Send>() { }
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| ^^^^ required by this bound in `assert_send`
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error[E0277]: `dyn Dummy` cannot be sent between threads safely
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--> $DIR/kindck-send-object.rs:17:19
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LL | assert_send::<Box<dyn Dummy>>();
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| ^^^^^^^^^^^^^^ `dyn Dummy` cannot be sent between threads safely
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= help: the trait `Send` is not implemented for `dyn Dummy`
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= note: required for `Unique<dyn Dummy>` to implement `Send`
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note: required because it appears within the type `Box<dyn Dummy>`
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--> $SRC_DIR/alloc/src/boxed.rs:LL:COL
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note: required by a bound in `assert_send`
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--> $DIR/kindck-send-object.rs:5:18
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LL | fn assert_send<T:Send>() { }
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| ^^^^ required by this bound in `assert_send`
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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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