rust/tests/ui/async-await/issue-70935-complex-spans.drop_tracking_mir.stderr

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error[E0277]: `*mut ()` cannot be shared between threads safely
--> $DIR/issue-70935-complex-spans.rs:18:23
|
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LL | fn foo(x: NotSync) -> impl Future + Send {
| ^^^^^^^^^^^^^^^^^^ `*mut ()` cannot be shared between threads safely
|
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= help: within `NotSync`, the trait `Sync` is not implemented for `*mut ()`
note: required because it appears within the type `PhantomData<*mut ()>`
--> $SRC_DIR/core/src/marker.rs:LL:COL
note: required because it appears within the type `NotSync`
--> $DIR/issue-70935-complex-spans.rs:12:8
|
LL | struct NotSync(PhantomData<*mut ()>);
| ^^^^^^^
= 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:22:13
|
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LL | baz(|| async {
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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:15:67
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|
LL | async fn baz<T>(_c: impl FnMut() -> T) where T: Future<Output=()> {
| ___________________________________________________________________^
LL | | }
| |_^
= note: required because it captures the following types: `impl Future<Output = ()>`
note: required because it's used within this `async` block
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--> $DIR/issue-70935-complex-spans.rs:21:5
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|
LL | / async move {
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LL | | baz(|| async {
LL | | foo(x.clone());
LL | | }).await;
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LL | | }
| |_____^
error: aborting due to previous error
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For more information about this error, try `rustc --explain E0277`.