| error: generator cannot be sent between threads safely |
| --> $DIR/issue-68112.rs:33:5 |
| | |
| LL | fn require_send(_: impl Send) {} |
| | ---- required by this bound in `require_send` |
| ... |
| LL | require_send(send_gen); |
| | ^^^^^^^^^^^^ generator is not `Send` |
| | |
| = help: the trait `Sync` is not implemented for `RefCell<i32>` |
| note: generator is not `Send` as this value is used across a yield |
| --> $DIR/issue-68112.rs:31:9 |
| | |
| LL | let _non_send_gen = make_non_send_generator(); |
| | ------------- has type `impl Generator` which is not `Send` |
| LL | yield; |
| | ^^^^^ yield occurs here, with `_non_send_gen` maybe used later |
| LL | }; |
| | - `_non_send_gen` is later dropped here |
| |
| error[E0277]: `RefCell<i32>` cannot be shared between threads safely |
| --> $DIR/issue-68112.rs:52:5 |
| | |
| LL | fn require_send(_: impl Send) {} |
| | ---- required by this bound in `require_send` |
| ... |
| LL | require_send(send_gen); |
| | ^^^^^^^^^^^^ `RefCell<i32>` cannot be shared between threads safely |
| | |
| = help: the trait `Sync` is not implemented for `RefCell<i32>` |
| = note: required because of the requirements on the impl of `Send` for `Arc<RefCell<i32>>` |
| = note: required because it appears within the type `[generator@$DIR/issue-68112.rs:38:5: 41:6 t:Arc<RefCell<i32>> {()}]` |
| = note: required because it appears within the type `impl Generator` |
| = note: required because it appears within the type `impl Generator` |
| = note: required because it appears within the type `{impl Generator, ()}` |
| = note: required because it appears within the type `[generator@$DIR/issue-68112.rs:48:20: 51:6 {impl Generator, ()}]` |
| |
| error: aborting due to 2 previous errors |
| |
| For more information about this error, try `rustc --explain E0277`. |