1error[E0658]: use of unstable library feature 'log_syntax': `log_syntax!` is not stable enough for use and is subject to change
2  --> $DIR/feature-gate-log_syntax2.rs:2:22
3   |
4LL |     println!("{:?}", log_syntax!());
5   |                      ^^^^^^^^^^
6   |
7   = note: see issue #29598 <https://github.com/rust-lang/rust/issues/29598> for more information
8   = help: add `#![feature(log_syntax)]` to the crate attributes to enable
9
10error: aborting due to previous error
11
12For more information about this error, try `rustc --explain E0658`.
13