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error: use of `async fn` in public traits is discouraged as auto trait bounds cannot be specified
--> $DIR/warn.rs:6:5
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LL | async fn not_send();
| ^^^^^
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= note: you can suppress this lint if you plan to use the trait only in your own code, or do not care about auto traits like `Send` on the `Future`
note: the lint level is defined here
--> $DIR/warn.rs:3:9
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LL | #![deny(async_fn_in_trait)]
| ^^^^^^^^^^^^^^^^^
help: you can alternatively desugar to a normal `fn` that returns `impl Future` and add any desired bounds such as `Send`, but these cannot be relaxed without a breaking API change
|
LL - async fn not_send();
LL + fn not_send() -> impl std::future::Future<Output = ()> + Send;
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error: aborting due to 1 previous error
|
