diff options
Diffstat (limited to 'src/test/ui/async-await/issue-68112.no_drop_tracking.stderr')
| -rw-r--r-- | src/test/ui/async-await/issue-68112.no_drop_tracking.stderr | 79 |
1 files changed, 79 insertions, 0 deletions
diff --git a/src/test/ui/async-await/issue-68112.no_drop_tracking.stderr b/src/test/ui/async-await/issue-68112.no_drop_tracking.stderr new file mode 100644 index 000000000..11b7d1aaa --- /dev/null +++ b/src/test/ui/async-await/issue-68112.no_drop_tracking.stderr @@ -0,0 +1,79 @@ +error: future cannot be sent between threads safely + --> $DIR/issue-68112.rs:37:18 + | +LL | require_send(send_fut); + | ^^^^^^^^ future created by async block is not `Send` + | + = help: the trait `Sync` is not implemented for `RefCell<i32>` +note: future is not `Send` as it awaits another future which is not `Send` + --> $DIR/issue-68112.rs:34:17 + | +LL | let _ = non_send_fut.await; + | ^^^^^^^^^^^^ await occurs here on type `impl Future<Output = Arc<RefCell<i32>>>`, which is not `Send` +note: required by a bound in `require_send` + --> $DIR/issue-68112.rs:14:25 + | +LL | fn require_send(_: impl Send) {} + | ^^^^ required by this bound in `require_send` + +error: future cannot be sent between threads safely + --> $DIR/issue-68112.rs:46:18 + | +LL | require_send(send_fut); + | ^^^^^^^^ future created by async block is not `Send` + | + = help: the trait `Sync` is not implemented for `RefCell<i32>` +note: future is not `Send` as it awaits another future which is not `Send` + --> $DIR/issue-68112.rs:43:17 + | +LL | let _ = make_non_send_future1().await; + | ^^^^^^^^^^^^^^^^^^^^^^^ await occurs here on type `impl Future<Output = Arc<RefCell<i32>>>`, which is not `Send` +note: required by a bound in `require_send` + --> $DIR/issue-68112.rs:14:25 + | +LL | fn require_send(_: impl Send) {} + | ^^^^ required by this bound in `require_send` + +error[E0277]: `RefCell<i32>` cannot be shared between threads safely + --> $DIR/issue-68112.rs:65:18 + | +LL | require_send(send_fut); + | ------------ ^^^^^^^^ `RefCell<i32>` cannot be shared between threads safely + | | + | required by a bound introduced by this call + | + = help: the trait `Sync` is not implemented for `RefCell<i32>` + = note: required for `Arc<RefCell<i32>>` to implement `Send` +note: required because it's used within this `async fn` body + --> $DIR/issue-68112.rs:50:31 + | +LL | async fn ready2<T>(t: T) -> T { + | _______________________________^ +LL | | t +LL | | } + | |_^ +note: required because it appears within the type `impl Future<Output = Arc<RefCell<i32>>>` + --> $DIR/issue-68112.rs:53:31 + | +LL | fn make_non_send_future2() -> impl Future<Output = Arc<RefCell<i32>>> { + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + = note: required because it captures the following types: `ResumeTy`, `impl Future<Output = Arc<RefCell<i32>>>`, `()`, `i32`, `Ready<i32>` +note: required because it's used within this `async` block + --> $DIR/issue-68112.rs:60:26 + | +LL | let send_fut = async { + | __________________________^ +LL | | let non_send_fut = make_non_send_future2(); +LL | | let _ = non_send_fut.await; +LL | | ready(0).await; +LL | | }; + | |_____^ +note: required by a bound in `require_send` + --> $DIR/issue-68112.rs:14:25 + | +LL | fn require_send(_: impl Send) {} + | ^^^^ required by this bound in `require_send` + +error: aborting due to 3 previous errors + +For more information about this error, try `rustc --explain E0277`. |