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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`
```
51 lines
1.7 KiB
Plaintext
51 lines
1.7 KiB
Plaintext
error: coroutine cannot be sent between threads safely
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--> $DIR/ref-upvar-not-send.rs:15:30
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LL | assert_send(#[coroutine] move || {
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| ______________________________^
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LL | |
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LL | |
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LL | | yield;
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LL | | let _x = x;
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LL | | });
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| |_____^ coroutine is not `Send`
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= help: the trait `Sync` is not implemented for `*mut ()`
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note: captured value is not `Send` because `&` references cannot be sent unless their referent is `Sync`
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--> $DIR/ref-upvar-not-send.rs:19:18
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LL | let _x = x;
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| ^ has type `&*mut ()` which is not `Send`, because `*mut ()` is not `Sync`
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note: required by a bound in `assert_send`
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--> $DIR/ref-upvar-not-send.rs:6:19
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LL | fn assert_send<T: Send>(_: T) {}
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| ^^^^ required by this bound in `assert_send`
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error: coroutine cannot be sent between threads safely
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--> $DIR/ref-upvar-not-send.rs:23:30
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LL | assert_send(#[coroutine] move || {
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| ______________________________^
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LL | |
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LL | |
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LL | | yield;
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LL | | let _y = y;
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LL | | });
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| |_____^ coroutine is not `Send`
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= help: within `{coroutine@$DIR/ref-upvar-not-send.rs:23:30: 23:37}`, the trait `Send` is not implemented for `*mut ()`
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note: captured value is not `Send` because `&mut` references cannot be sent unless their referent is `Send`
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--> $DIR/ref-upvar-not-send.rs:27:18
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LL | let _y = y;
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| ^ has type `&mut *mut ()` which is not `Send`, because `*mut ()` is not `Send`
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note: required by a bound in `assert_send`
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--> $DIR/ref-upvar-not-send.rs:6:19
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LL | fn assert_send<T: Send>(_: T) {}
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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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