//@ edition: 2021 #![deny(rust_2024_compatibility)] trait Meow { fn poll(&self, _ctx: &mut core::task::Context<'_>) {} } impl Meow for T {} fn main() { core::pin::pin!(async {}).poll(&mut context()); //~^ ERROR trait method `poll` will become ambiguous in Rust 2024 //~| WARN this is accepted in the current edition (Rust 2021) but is a hard error in Rust 2024! } fn context() -> core::task::Context<'static> { loop {} }