error: free function without a body --> $DIR/issue-70736-async-fn-no-body-def-collector.rs:3:1 | LL | async fn free(); | ^^^^^^^^^^^^^^^- | | | help: provide a definition for the function: `{ }` error: associated function in `impl` without body --> $DIR/issue-70736-async-fn-no-body-def-collector.rs:7:5 | LL | async fn inherent(); | ^^^^^^^^^^^^^^^^^^^- | | | help: provide a definition for the function: `{ }` error[E0706]: functions in traits cannot be declared `async` --> $DIR/issue-70736-async-fn-no-body-def-collector.rs:11:5 | LL | async fn associated(); | -----^^^^^^^^^^^^^^^^^ | | | `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: associated function in `impl` without body --> $DIR/issue-70736-async-fn-no-body-def-collector.rs:15:5 | LL | async fn associated(); | ^^^^^^^^^^^^^^^^^^^^^- | | | help: provide a definition for the function: `{ }` error[E0706]: functions in traits cannot be declared `async` --> $DIR/issue-70736-async-fn-no-body-def-collector.rs:15:5 | LL | async fn associated(); | -----^^^^^^^^^^^^^^^^^ | | | `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[E0053]: method `associated` has an incompatible type for trait --> $DIR/issue-70736-async-fn-no-body-def-collector.rs:15:26 | LL | async fn associated(); | ^ | | | checked the `Output` of this `async fn`, found opaque type | expected `()`, found opaque type | = note: while checking the return type of the `async fn` note: type in trait --> $DIR/issue-70736-async-fn-no-body-def-collector.rs:11:26 | LL | async fn associated(); | ^ = note: expected fn pointer `fn()` found fn pointer `fn() -> impl Future` error: aborting due to 6 previous errors Some errors have detailed explanations: E0053, E0706. For more information about an error, try `rustc --explain E0053`.