error[E0658]: lint reasons are experimental
  --> $DIR/feature-gate-lint-reasons.rs:1:28
   |
LL | #![warn(nonstandard_style, reason = "the standard should be respected")]
   |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   |
   = note: see issue #54503 <https://github.com/rust-lang/rust/issues/54503> for more information
   = help: add `#![feature(lint_reasons)]` 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   = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date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[E0658]: lint reasons are experimental
  --> $DIR/feature-gate-lint-reasons.rs:1:28
   |
LL | #![warn(nonstandard_style, reason = "the standard should be respected")]
   |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   |
   = note: see issue #54503 <https://github.com/rust-lang/rust/issues/54503> for more information
   = help: add `#![feature(lint_reasons)]` to the crate attributes to enable
   = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date
   = note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no`

error: aborting due to 2 previous errors

For more information about this error, try `rustc --explain E0658`.