| error: `AsyncDrop` impl without `Drop` impl | |
| --> $DIR/async-without-sync.rs:15:1 | |
| | | |
| LL | impl AsyncDrop for St { | |
| | ^^^^^^^^^^^^^^^^^^^^^ | |
| | | |
| = help: type implementing `AsyncDrop` trait must also implement `Drop` trait to be used in sync context and unwinds | |
| error: aborting due to 1 previous error | |