serde/test_suite/tests/ui/remote/unknown_field.rs

#[macro_use]
extern crate serde_derive;

mod remote {
    pub struct S {
        pub a: u8,
    }
}

#[derive(Serialize, Deserialize)]
#[serde(remote = "remote::S")]
struct S {
    b: u8,
}

fn main() {}