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`
```
70 lines
2.7 KiB
Text
70 lines
2.7 KiB
Text
error[E0277]: `*mut ()` cannot be shared between threads safely
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--> $DIR/issue-70935-complex-spans.rs:15:23
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LL | fn foo(x: NotSync) -> impl Future + Send {
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| ^^^^^^^^^^^^^^^^^^ `*mut ()` cannot be shared between threads safely
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= help: within `NotSync`, the trait `Sync` is not implemented for `*mut ()`
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note: required because it appears within the type `PhantomData<*mut ()>`
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--> $SRC_DIR/core/src/marker.rs:LL:COL
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note: required because it appears within the type `NotSync`
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--> $DIR/issue-70935-complex-spans.rs:9:8
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LL | struct NotSync(PhantomData<*mut ()>);
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| ^^^^^^^
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= note: required for `&NotSync` to implement `Send`
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note: required because it's used within this closure
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--> $DIR/issue-70935-complex-spans.rs:19:13
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LL | baz(|| async {
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| ^^
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note: required because it's used within this `async` fn body
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--> $DIR/issue-70935-complex-spans.rs:12:67
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LL | async fn baz<T>(_c: impl FnMut() -> T) where T: Future<Output=()> {
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| ___________________________________________________________________^
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LL | | }
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| |_^
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note: required because it's used within this `async` block
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--> $DIR/issue-70935-complex-spans.rs:18:5
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LL | async move {
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| ^^^^^^^^^^
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error[E0277]: `*mut ()` cannot be shared between threads safely
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--> $DIR/issue-70935-complex-spans.rs:15:23
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LL | fn foo(x: NotSync) -> impl Future + Send {
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| ^^^^^^^^^^^^^^^^^^ `*mut ()` cannot be shared between threads safely
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= help: within `NotSync`, the trait `Sync` is not implemented for `*mut ()`
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note: required because it appears within the type `PhantomData<*mut ()>`
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--> $SRC_DIR/core/src/marker.rs:LL:COL
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note: required because it appears within the type `NotSync`
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--> $DIR/issue-70935-complex-spans.rs:9:8
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LL | struct NotSync(PhantomData<*mut ()>);
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| ^^^^^^^
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= note: required for `&NotSync` to implement `Send`
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note: required because it's used within this closure
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--> $DIR/issue-70935-complex-spans.rs:19:13
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LL | baz(|| async {
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| ^^
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note: required because it's used within this `async` fn body
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--> $DIR/issue-70935-complex-spans.rs:12:67
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LL | async fn baz<T>(_c: impl FnMut() -> T) where T: Future<Output=()> {
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| ___________________________________________________________________^
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LL | | }
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| |_^
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note: required because it's used within this `async` block
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--> $DIR/issue-70935-complex-spans.rs:18:5
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LL | async move {
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| ^^^^^^^^^^
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= note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no`
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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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