error[E0658]: unsized tuple coercion is not stable enough for use and is subject to change | |
--> $DIR/feature-gate-unsized_tuple_coercion.rs:2:28 | |
| | |
LL | let _ : &(dyn Send,) = &((),); | |
| ^^^^^^ | |
| | |
= note: for more information, see https://github.com/rust-lang/rust/issues/42877 | |
= 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`. |