error[E0284]: type annotations needed: cannot satisfy `impl AsyncRead + 'a == PendingReader<'a>`
  --> $DIR/async_scope_creep.rs:26:9
   |
LL |         self.read()
   |         ^^^^^^^^^^^ cannot satisfy `impl AsyncRead + 'a == PendingReader<'a>`

error: aborting due to previous error

For more information about this error, try `rustc --explain E0284`.