src/test/rustdoc/cap-lints.rs

// This should fail a normal compile due to non_camel_case_types,
// It should pass a doc-compile as it only needs to type-check and
// therefore should not concern itself with the lints.
#[deny(warnings)]

// @has cap_lints/struct.Foo.html //pre '#[must_use]'
#[must_use]
pub struct Foo {
    field: i32,
}