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Diffstat (limited to 'src/test/ui/async-await/issue-68112.stderr')
| -rw-r--r-- | src/test/ui/async-await/issue-68112.stderr | 74 |
1 files changed, 74 insertions, 0 deletions
diff --git a/src/test/ui/async-await/issue-68112.stderr b/src/test/ui/async-await/issue-68112.stderr new file mode 100644 index 000000000..4285fbbec --- /dev/null +++ b/src/test/ui/async-await/issue-68112.stderr @@ -0,0 +1,74 @@ +error: future cannot be sent between threads safely + --> $DIR/issue-68112.rs:34:5 + | +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:31:17 + | +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:11:25 + | +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:43:5 + | +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:40:17 + | +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:11:25 + | +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:60:5 + | +LL | require_send(send_fut); + | ^^^^^^^^^^^^ `RefCell<i32>` cannot be shared between threads safely + | + = help: the trait `Sync` is not implemented for `RefCell<i32>` + = note: required because of the requirements on the impl of `Send` for `Arc<RefCell<i32>>` +note: required because it's used within this `async fn` body + --> $DIR/issue-68112.rs:47:31 + | +LL | async fn ready2<T>(t: T) -> T { t } + | ^^^^^ +note: required because it appears within the type `impl Future<Output = Arc<RefCell<i32>>>` + --> $DIR/issue-68112.rs:48:31 + | +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:55:26 + | +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:11:25 + | +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`. |