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issue-70935-complex-spans.stderr
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error[E0277]: `*mut ()` cannot be shared between threads safely
--> $DIR/issue-70935-complex-spans.rs:15:23
|
LL | fn foo(x: NotSync) -> impl Future + Send {
| ^^^^^^^^^^^^^^^^^^ `*mut ()` cannot be shared between threads safely
|
= help: within `NotSync`, the trait `Sync` is not implemented for `*mut ()`, which is required by `{async block@$DIR/issue-70935-complex-spans.rs:18:5: 18:15}: Send`
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:9:8
|
LL | struct NotSync(PhantomData<*mut ()>);
| ^^^^^^^
= note: required for `&NotSync` to implement `Send`
= note: required because it appears within the type `(&NotSync,)`
note: required because it's used within this closure
--> $DIR/issue-70935-complex-spans.rs:19:13
|
LL | baz(|| async {
| ^^
note: required because it's used within this `async` fn body
--> $DIR/issue-70935-complex-spans.rs:12:67
|
LL | async fn baz<T>(_c: impl FnMut() -> T) where T: Future<Output=()> {
| ___________________________________________________________________^
LL | | }
| |_^
note: required because it's used within this `async` block
--> $DIR/issue-70935-complex-spans.rs:18:5
|
LL | async move {
| ^^^^^^^^^^
error[E0277]: `*mut ()` cannot be shared between threads safely
--> $DIR/issue-70935-complex-spans.rs:15:23
|
LL | fn foo(x: NotSync) -> impl Future + Send {
| ^^^^^^^^^^^^^^^^^^ `*mut ()` cannot be shared between threads safely
|
= help: within `NotSync`, the trait `Sync` is not implemented for `*mut ()`, which is required by `{async block@$DIR/issue-70935-complex-spans.rs:18:5: 18:15}: Send`
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:9:8
|
LL | struct NotSync(PhantomData<*mut ()>);
| ^^^^^^^
= note: required for `&NotSync` to implement `Send`
= note: required because it appears within the type `(&NotSync,)`
note: required because it's used within this closure
--> $DIR/issue-70935-complex-spans.rs:19:13
|
LL | baz(|| async {
| ^^
note: required because it's used within this `async` fn body
--> $DIR/issue-70935-complex-spans.rs:12:67
|
LL | async fn baz<T>(_c: impl FnMut() -> T) where T: Future<Output=()> {
| ___________________________________________________________________^
LL | | }
| |_^
note: required because it's used within this `async` block
--> $DIR/issue-70935-complex-spans.rs:18:5
|
LL | async move {
| ^^^^^^^^^^
= note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no`
error: aborting due to 2 previous errors
For more information about this error, try `rustc --explain E0277`.