error[E0706]: functions in traits cannot be declared `async` --> $DIR/async-trait-fn.rs:3:5 | LL | async fn foo() {} | -----^^^^^^^^^^^^ | | | `async` because of this | = note: `async` trait functions are not currently supported = note: consider using the `async-trait` crate: https://crates.io/crates/async-trait error[E0706]: functions in traits cannot be declared `async` --> $DIR/async-trait-fn.rs:4:5 | LL | async fn bar(&self) {} | -----^^^^^^^^^^^^^^^^^ | | | `async` because of this | = note: `async` trait functions are not currently supported = note: consider using the `async-trait` crate: https://crates.io/crates/async-trait error[E0706]: functions in traits cannot be declared `async` --> $DIR/async-trait-fn.rs:5:5 | LL | async fn baz() { | ^---- | | | _____`async` because of this | | LL | | // Nested item must not ICE. LL | | fn a() {} LL | | } | |_____^ | = note: `async` trait functions are not currently supported = note: consider using the `async-trait` crate: https://crates.io/crates/async-trait error: aborting due to 3 previous errors For more information about this error, try `rustc --explain E0706`.