| error[E0658]: use of unstable library feature 'cfg_accessible': `cfg_accessible` is not fully implemented |
| --> $DIR/cfg_accessible-unstable.rs:1:3 |
| | |
| LL | #[cfg_accessible(std)] |
| | ^^^^^^^^^^^^^^ |
| | |
| = note: see issue #64797 <https://github.com/rust-lang/rust/issues/64797> for more information |
| = help: add `#![feature(cfg_accessible)]` 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| = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date |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`. |