error[E0658]: `#[track_caller]` on closures is currently unstable --> $DIR/async-closure-gate.rs:8:13 | LL | let _ = #[track_caller] async || { | ^^^^^^^^^^^^^^^ | = note: see issue #87417 for more information = help: add `#![feature(closure_track_caller)]` to the crate attributes to enable error[E0658]: `#[track_caller]` on closures is currently unstable --> $DIR/async-closure-gate.rs:15:13 | LL | let _ = #[track_caller] async || { | ^^^^^^^^^^^^^^^ | = note: see issue #87417 for more information = help: add `#![feature(closure_track_caller)]` to the crate attributes to enable error[E0658]: `#[track_caller]` on closures is currently unstable --> $DIR/async-closure-gate.rs:21:13 | LL | let _ = #[track_caller] || { | ^^^^^^^^^^^^^^^ | = note: see issue #87417 for more information = help: add `#![feature(closure_track_caller)]` to the crate attributes to enable error[E0658]: `#[track_caller]` on closures is currently unstable --> $DIR/async-closure-gate.rs:28:17 | LL | let _ = #[track_caller] || { | ^^^^^^^^^^^^^^^ | = note: see issue #87417 for more information = help: add `#![feature(closure_track_caller)]` to the crate attributes to enable error[E0658]: `#[track_caller]` on closures is currently unstable --> $DIR/async-closure-gate.rs:36:9 | LL | #[track_caller] || { | ^^^^^^^^^^^^^^^ | = note: see issue #87417 for more information = help: add `#![feature(closure_track_caller)]` to the crate attributes to enable error[E0658]: `#[track_caller]` on closures is currently unstable --> $DIR/async-closure-gate.rs:45:13 | LL | #[track_caller] || { | ^^^^^^^^^^^^^^^ | = note: see issue #87417 for more information = help: add `#![feature(closure_track_caller)]` to the crate attributes to enable error: aborting due to 6 previous errors For more information about this error, try `rustc --explain E0658`.