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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`
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= 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
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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 {()}]`
= 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`.
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