| error[E0520]: `from` specializes an item from a parent `impl`, but that item is not marked `default` | |
| --> $DIR/issue-111232.rs:6:5 | |
| | | |
| LL | fn from(s: S) -> S { | |
| | ^^^^^^^^^^^^^^^^^^ | |
| | | |
| = note: parent implementation is in crate `core` | |
| error: aborting due to 1 previous error | |
| For more information about this error, try `rustc --explain E0520`. |