| error[E0277]: `Rc<u32>` cannot be sent between threads safely |
| --> $DIR/auto-trait-leakage2.rs:21:13 |
| | |
| LL | type Foo = impl std::fmt::Debug; |
| | -------------------- within this `Foo` |
| ... |
| LL | is_send(m::foo()); |
| | ------- ^^^^^^^^ `Rc<u32>` cannot be sent between threads safely |
| | | |
| | required by a bound introduced by this call |
| | |
| = help: within `Foo`, the trait `Send` is not implemented for `Rc<u32>`, which is required by `Foo: Send` |
| note: required because it appears within the type `Foo` |
| --> $DIR/auto-trait-leakage2.rs:7:16 |
| | |
| LL | type Foo = impl std::fmt::Debug; |
| | ^^^^^^^^^^^^^^^^^^^^ |
| note: required by a bound in `is_send` |
| --> $DIR/auto-trait-leakage2.rs:16:15 |
| | |
| LL | fn is_send<T: Send>(_: T) {} |
| | ^^^^ required by this bound in `is_send` |
| |
| error: aborting due to 1 previous error |
| |
| For more information about this error, try `rustc --explain E0277`. |