error: allow(unused_variables) incompatible with previous forbid
  --> $DIR/outer-forbid.rs:20:9
   |
LL | #![forbid(unused, non_snake_case)]
   |           ------ `forbid` level set here
...
LL | #[allow(unused_variables)]
   |         ^^^^^^^^^^^^^^^^ overruled by previous forbid
   |
   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
   = note: for more information, see issue #81670 <https://github.com/rust-lang/rust/issues/81670>
note: the lint level is defined here
  --> $DIR/outer-forbid.rs:18:11
   |
LL | #![forbid(forbidden_lint_groups)]
   |           ^^^^^^^^^^^^^^^^^^^^^

error: allow(unused) incompatible with previous forbid
  --> $DIR/outer-forbid.rs:25:9
   |
LL | #![forbid(unused, non_snake_case)]
   |           ------ `forbid` level set here
...
LL | #[allow(unused)]
   |         ^^^^^^ overruled by previous forbid
   |
   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
   = note: for more information, see issue #81670 <https://github.com/rust-lang/rust/issues/81670>

error[E0453]: allow(nonstandard_style) incompatible with previous forbid
  --> $DIR/outer-forbid.rs:29:9
   |
LL | #![forbid(unused, non_snake_case)]
   |                   -------------- `forbid` level set here
...
LL | #[allow(nonstandard_style)]
   |         ^^^^^^^^^^^^^^^^^ overruled by previous forbid

error: aborting due to 3 previous errors

For more information about this error, try `rustc --explain E0453`.