error[E0658]: labels on blocks are unstable | |
--> $DIR/feature-gate-label_break_value.rs:2:5 | |
| | |
LL | 'a: { | |
| ^^ | |
| | |
= note: for more information, see https://github.com/rust-lang/rust/issues/48594 | |
= help: add `#![feature(label_break_value)]` to the crate attributes to enable | |
error: aborting due to previous error | |
For more information about this error, try `rustc --explain E0658`. |