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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`
```
23 lines
1006 B
Plaintext
23 lines
1006 B
Plaintext
error[E0277]: `Rc<()>` cannot be sent between threads safely
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--> $DIR/issue-21763.rs:11:11
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LL | foo::<HashMap<Rc<()>, Rc<()>>>();
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| ^^^^^^^^^^^^^^^^^^^^^^^ `Rc<()>` cannot be sent between threads safely
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= help: within `(Rc<()>, Rc<()>)`, the trait `Send` is not implemented for `Rc<()>`
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= note: required because it appears within the type `(Rc<()>, Rc<()>)`
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= note: required for `hashbrown::raw::RawTable<(Rc<()>, Rc<()>)>` to implement `Send`
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note: required because it appears within the type `hashbrown::map::HashMap<Rc<()>, Rc<()>, RandomState>`
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--> $HASHBROWN_SRC_LOCATION
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note: required because it appears within the type `HashMap<Rc<()>, Rc<()>>`
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--> $SRC_DIR/std/src/collections/hash/map.rs:LL:COL
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note: required by a bound in `foo`
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--> $DIR/issue-21763.rs:8:11
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LL | fn foo<T: Send>() {}
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| ^^^^ required by this bound in `foo`
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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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