rustdoc::unescaped_backticks only fires on the first item

[lolbinarycat]

Code

#[warn(rustdoc::unescaped_backticks)]

pub fn foo() {}

#[doc = "`"]
pub fn bar() {}

Current output

[none]

Desired output

warning: unescaped backtick
 --> src/lib.rs:5:10
  |
5 | #[doc = "`"]
  |          ^
  |
  = help: the opening or closing backtick of an inline code may be missing
  = help: if you meant to use a literal backtick, escape it
           change: `
          to this: \`
note: the lint level is defined here
 --> src/lib.rs:1:8
  |
1 | #[warn(rustdoc::unescaped_backticks)]
  |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^

Rationale and extra context

No response

Other cases

Rust Version

rustc 1.89.0-nightly (70b3f4666 2025-05-30)
binary: rustc
commit-hash: 70b3f4666e24ce22fc32f5e357dbcf85d3254e63
commit-date: 2025-05-30
host: x86_64-unknown-linux-gnu
release: 1.89.0-nightly
LLVM version: 20.1.5

Anything else?

removing fn foo causes the warning to be emitted properly.

also works with regular doc comments, and even if the first item is not public.