error[E0412]: cannot find type `__S` in this scope | |
--> $DIR/unpin_sneaky.rs:9:16 | |
| | |
9 | impl Unpin for __S {} //~ ERROR E0412,E0321 | |
| ^^^ not found in this scope | |
error[E0321]: cross-crate traits with a default impl, like `Unpin`, can only be implemented for a struct/enum type, not `[type error]` | |
--> $DIR/unpin_sneaky.rs:9:1 | |
| | |
9 | impl Unpin for __S {} //~ ERROR E0412,E0321 | |
| ^^^^^^^^^^^^^^^^^^ can't implement cross-crate trait with a default impl for non-struct/enum type |