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`
```
42 lines
1.7 KiB
Plaintext
42 lines
1.7 KiB
Plaintext
error[E0277]: `&'a (dyn Dummy + 'a)` cannot be sent between threads safely
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--> $DIR/kindck-send-object1.rs:10:19
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LL | assert_send::<&'a dyn Dummy>();
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| ^^^^^^^^^^^^^ `&'a (dyn Dummy + 'a)` cannot be sent between threads safely
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= help: the trait `Sync` is not implemented for `(dyn Dummy + 'a)`
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= note: required for `&'a (dyn Dummy + 'a)` to implement `Send`
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note: required by a bound in `assert_send`
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--> $DIR/kindck-send-object1.rs:5:18
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LL | fn assert_send<T:Send+'static>() { }
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| ^^^^ required by this bound in `assert_send`
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error[E0277]: `(dyn Dummy + 'a)` cannot be sent between threads safely
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--> $DIR/kindck-send-object1.rs:29:19
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LL | assert_send::<Box<dyn Dummy + 'a>>();
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| ^^^^^^^^^^^^^^^^^^^ `(dyn Dummy + 'a)` cannot be sent between threads safely
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= help: the trait `Send` is not implemented for `(dyn Dummy + 'a)`
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= note: required for `Unique<(dyn Dummy + 'a)>` to implement `Send`
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note: required because it appears within the type `Box<(dyn Dummy + 'a)>`
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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-object1.rs:5:18
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LL | fn assert_send<T:Send+'static>() { }
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| ^^^^ required by this bound in `assert_send`
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error: lifetime may not live long enough
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--> $DIR/kindck-send-object1.rs:14:5
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LL | fn test52<'a>() {
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| -- lifetime `'a` defined here
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LL | assert_send::<&'a (dyn Dummy + Sync)>();
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ requires that `'a` must outlive `'static`
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error: aborting due to 3 previous errors
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For more information about this error, try `rustc --explain E0277`.
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