1 error[E0706]: functions in traits cannot be declared `async`
2 --> $DIR/issue-95307.rs:7:5
4 LL | async fn new() -> [u8; _];
5 | -----^^^^^^^^^^^^^^^^^^^^^
7 | `async` because of this
9 = note: `async` trait functions are not currently supported
10 = note: consider using the `async-trait` crate: https://crates.io/crates/async-trait
12 error[E0658]: using `_` for array lengths is unstable
13 --> $DIR/issue-95307.rs:7:28
15 LL | async fn new() -> [u8; _];
18 = note: see issue #85077 <https://github.com/rust-lang/rust/issues/85077> for more information
19 = help: add `#![feature(generic_arg_infer)]` to the crate attributes to enable
21 error: in expressions, `_` can only be used on the left-hand side of an assignment
22 --> $DIR/issue-95307.rs:7:28
24 LL | async fn new() -> [u8; _];
25 | ^ `_` not allowed here
27 error: aborting due to 3 previous errors
29 Some errors have detailed explanations: E0658, E0706.
30 For more information about an error, try `rustc --explain E0658`.