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 <https://github.com/rust-lang/rust/issues/87417> for more information
   = help: add `#![feature(closure_track_caller)]` to the crate attributes to enable
   = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date

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 <https://github.com/rust-lang/rust/issues/87417> for more information
   = help: add `#![feature(closure_track_caller)]` to the crate attributes to enable
   = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date

error[E0658]: `#[track_caller]` on closures is currently unstable
  --> $DIR/async-closure-gate.rs:21:13
   |
LL |     let _ = #[track_caller] || {
   |             ^^^^^^^^^^^^^^^
   |
   = note: see issue #87417 <https://github.com/rust-lang/rust/issues/87417> for more information
   = help: add `#![feature(closure_track_caller)]` to the crate attributes to enable
   = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date

error[E0658]: `#[track_caller]` on closures is currently unstable
  --> $DIR/async-closure-gate.rs:29:17
   |
LL |         let _ = #[track_caller] || {
   |                 ^^^^^^^^^^^^^^^
   |
   = note: see issue #87417 <https://github.com/rust-lang/rust/issues/87417> for more information
   = help: add `#![feature(closure_track_caller)]` to the crate attributes to enable
   = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date

error[E0658]: `#[track_caller]` on closures is currently unstable
  --> $DIR/async-closure-gate.rs:37:9
   |
LL |         #[track_caller] || {
   |         ^^^^^^^^^^^^^^^
   |
   = note: see issue #87417 <https://github.com/rust-lang/rust/issues/87417> for more information
   = help: add `#![feature(closure_track_caller)]` to the crate attributes to enable
   = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date

error[E0658]: `#[track_caller]` on closures is currently unstable
  --> $DIR/async-closure-gate.rs:47:13
   |
LL |             #[track_caller] || {
   |             ^^^^^^^^^^^^^^^
   |
   = note: see issue #87417 <https://github.com/rust-lang/rust/issues/87417> for more information
   = help: add `#![feature(closure_track_caller)]` to the crate attributes to enable
   = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date

error[E0308]: mismatched types
  --> $DIR/async-closure-gate.rs:27:5
   |
LL |   fn foo3() {
   |            - help: try adding a return type: `-> impl Future<Output = ()>`
LL | /     async {
LL | |
LL | |         let _ = #[track_caller] || {
...  |
LL | |     }
   | |_____^ expected `()`, found `async` block
   |
   = note:  expected unit type `()`
           found `async` block `{async block@$DIR/async-closure-gate.rs:27:5: 27:10}`

error[E0308]: mismatched types
  --> $DIR/async-closure-gate.rs:44:5
   |
LL |   fn foo5() {
   |            - help: try adding a return type: `-> impl Future<Output = ()>`
LL | /     async {
LL | |
LL | |         let _ = || {
LL | |             #[track_caller] || {
...  |
LL | |         };
LL | |     }
   | |_____^ expected `()`, found `async` block
   |
   = note:  expected unit type `()`
           found `async` block `{async block@$DIR/async-closure-gate.rs:44:5: 44:10}`

error: aborting due to 8 previous errors

Some errors have detailed explanations: E0308, E0658.
For more information about an error, try `rustc --explain E0308`.