| error[E0658]: unsized tuple coercion is not stable enough for use and is subject to change (see issue #42877) | |
| --> $DIR/feature-gate-unsized_tuple_coercion.rs:12:24 | |
| | | |
| LL | let _ : &(Send,) = &((),); | |
| | ^^^^^^ | |
| | | |
| = help: add #![feature(unsized_tuple_coercion)] to the crate attributes to enable | |
| error: aborting due to previous error | |
| For more information about this error, try `rustc --explain E0658`. |