rustc_layout_scalar_valid_range_end,
rustc_layout_scalar_valid_range_start,
rustc_legacy_const_generics,
+ rustc_lint_query_instability,
rustc_macro_transparency,
rustc_main,
rustc_mir,
unmarked_api,
unpin,
unreachable,
+ unreachable_2015,
+ unreachable_2015_macro,
+ unreachable_2021,
+ unreachable_2021_macro,
unreachable_code,
+ unreachable_display,
unreachable_macro,
unrestricted_attribute_tokens,
unsafe_block_in_unsafe_fn,