error[E0658]: the `#[no_sanitize]` attribute is an experimental feature --> $DIR/feature-gate-no_sanitize.rs:1:1 | LL | #[no_sanitize(address)] | ^^^^^^^^^^^^^^^^^^^^^^^ | = note: see issue #39699 for more information = help: add `#![feature(no_sanitize)]` to the crate attributes to enable = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date error: aborting due to 1 previous error For more information about this error, try `rustc --explain E0658`.