//@ run-rustfix #![allow(non_snake_case, dead_code)] use std::pin::Pin; struct Struct {} impl Struct { // Test using `&mut Struct` explicitly: fn ref_Struct(self: &mut Struct, f: &u32) -> &u32 { f //~^ ERROR lifetime may not live long enough } fn box_ref_Struct(self: Box<&mut Struct>, f: &u32) -> &u32 { f //~^ ERROR lifetime may not live long enough } fn pin_ref_Struct(self: Pin<&mut Struct>, f: &u32) -> &u32 { f //~^ ERROR lifetime may not live long enough } fn box_box_ref_Struct(self: Box>, f: &u32) -> &u32 { f //~^ ERROR lifetime may not live long enough } fn box_pin_ref_Struct(self: Box>, f: &u32) -> &u32 { f //~^ ERROR lifetime may not live long enough } } fn main() {}