| error[E0277]: `std::rc::Rc<usize>` cannot be sent between threads safely |
| --> $DIR/kindck-nonsendable-1.rs:9:5 |
| | |
| LL | fn bar<F:FnOnce() + Send>(_: F) { } |
| | ------------------------------- required by `bar` |
| ... |
| LL | bar(move|| foo(x)); |
| | ^^^ `std::rc::Rc<usize>` cannot be sent between threads safely |
| | |
| = help: within `[closure@$DIR/kindck-nonsendable-1.rs:9:9: 9:22 x:std::rc::Rc<usize>]`, the trait `std::marker::Send` is not implemented for `std::rc::Rc<usize>` |
| = note: required because it appears within the type `[closure@$DIR/kindck-nonsendable-1.rs:9:9: 9:22 x:std::rc::Rc<usize>]` |
| |
| error: aborting due to previous error |
| |
| For more information about this error, try `rustc --explain E0277`. |