| 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: if you want to do aliasing and mutation between multiple threads, use `std::sync::RwLock` instead |
| 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: if you want to do aliasing and mutation between multiple threads, use `std::sync::RwLock` instead |
| 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:62:5 |
| | |
| LL | require_send(send_fut); |
| | ^^^^^^^^^^^^ `RefCell<i32>` cannot be shared between threads safely |
| | |
| = help: the trait `Sync` is not implemented for `RefCell<i32>` |
| = note: if you want to do aliasing and mutation between multiple threads, use `std::sync::RwLock` instead |
| = note: required for `Arc<RefCell<i32>>` to implement `Send` |
| 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 { |
| | _______________________________^ |
| LL | | t |
| LL | | } |
| | |_^ |
| note: required because it appears within the type `impl Future<Output = Arc<RefCell<i32>>>` |
| --> $DIR/issue-68112.rs:50:31 |
| | |
| LL | fn make_non_send_future2() -> impl Future<Output = Arc<RefCell<i32>>> { |
| | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ |
| = note: required because it captures the following types: `impl Future<Output = Arc<RefCell<i32>>>`, `Ready<i32>` |
| note: required because it's used within this `async` block |
| --> $DIR/issue-68112.rs:57:20 |
| | |
| 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`. |