src/test/ui/feature-gate-tool_lints.stderr

error[E0658]: scoped lint `clippy::decimal_literal_representation` is experimental (see issue #44690)
  --> $DIR/feature-gate-tool_lints.rs:11:8
   |
LL | #[warn(clippy::decimal_literal_representation)]
   |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   |
   = help: add #![feature(tool_lints)] to the crate attributes to enable

error: aborting due to previous error

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