1 error[E0658]: `#[track_caller]` on closures is currently unstable
2 --> $DIR/async-closure-gate.rs:6:13
4 LL | let _ = #[track_caller] async || {
7 = note: see issue #87417 <https://github.com/rust-lang/rust/issues/87417> for more information
8 = help: add `#![feature(closure_track_caller)]` to the crate attributes to enable
10 error: aborting due to previous error
12 For more information about this error, try `rustc --explain E0658`.