src/test/ui/async-await/issue-67252-unnamed-future.stderr

   1 error: future cannot be sent between threads safely
   2   --> $DIR/issue-67252-unnamed-future.rs:18:5
   3    |
   4 LL | fn spawn<T: Send>(_: T) {}
   5    |             ---- required by this bound in `spawn`
   6 ...
   7 LL |     spawn(async {
   8    |     ^^^^^ future created by async block is not `Send`
   9    |
  10    = help: within `impl Future`, the trait `Send` is not implemented for `*mut ()`
  11 note: future is not `Send` as this value is used across an await
  12   --> $DIR/issue-67252-unnamed-future.rs:20:9
  13    |
  14 LL |         let _a = std::ptr::null_mut::<()>(); // `*mut ()` is not `Send`
  15    |             -- has type `*mut ()` which is not `Send`
  16 LL |         AFuture.await;
  17    |         ^^^^^^^^^^^^^ await occurs here, with `_a` maybe used later
  18 LL |     });
  19    |     - `_a` is later dropped here
  20
  21 error: aborting due to previous error
  22