error: `allow_internal_unsafe` allows defining macros using unsafe without triggering the `unsafe_code` lint at their call site
  --> $DIR/lint-forbid-internal-unsafe.rs:4:1
   |
LL | #[allow_internal_unsafe]
   | ^^^^^^^^^^^^^^^^^^^^^^^^
   |
note: lint level defined here
  --> $DIR/lint-forbid-internal-unsafe.rs:1:11
   |
LL | #![forbid(unsafe_code)]
   |           ^^^^^^^^^^^

error: aborting due to previous error