| error[E0658]: use of unstable library feature 'log_syntax': `log_syntax!` is not stable enough for use and is subject to change |
| --> $DIR/feature-gate-log_syntax2.rs:2:22 |
| | |
| LL | println!("{:?}", log_syntax!()); |
| | ^^^^^^^^^^ |
| | |
| = note: see issue #29598 <https://github.com/rust-lang/rust/issues/29598> for more information |
| = help: add `#![feature(log_syntax)]` 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| = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date |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: aborting due to 1 previous error |
| |
| For more information about this error, try `rustc --explain E0658`. |
