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