error: lifetime may not live long enough --> $DIR/ref-mut-self.rs:11:9 | LL | fn ref_self(&mut self, f: &u32) -> &u32 { | - - let's call the lifetime of this reference `'1` | | | let's call the lifetime of this reference `'2` LL | f | ^ method was supposed to return data with lifetime `'2` but it is returning data with lifetime `'1` | help: consider introducing a named lifetime parameter and update trait if needed | LL | fn ref_self<'a>(&'a mut self, f: &'a u32) -> &u32 { | ++++ ++ ++ error: lifetime may not live long enough --> $DIR/ref-mut-self.rs:18:9 | LL | fn ref_Self(self: &mut Self, f: &u32) -> &u32 { | - - let's call the lifetime of this reference `'1` | | | let's call the lifetime of this reference `'2` LL | f | ^ method was supposed to return data with lifetime `'2` but it is returning data with lifetime `'1` | help: consider introducing a named lifetime parameter and update trait if needed | LL | fn ref_Self<'a>(self: &'a mut Self, f: &'a u32) -> &u32 { | ++++ ++ ++ error: lifetime may not live long enough --> $DIR/ref-mut-self.rs:23:9 | LL | fn box_ref_Self(self: Box<&mut Self>, f: &u32) -> &u32 { | - - let's call the lifetime of this reference `'1` | | | let's call the lifetime of this reference `'2` LL | f | ^ method was supposed to return data with lifetime `'2` but it is returning data with lifetime `'1` | help: consider introducing a named lifetime parameter and update trait if needed | LL | fn box_ref_Self<'a>(self: Box<&'a mut Self>, f: &'a u32) -> &u32 { | ++++ ++ ++ error: lifetime may not live long enough --> $DIR/ref-mut-self.rs:28:9 | LL | fn pin_ref_Self(self: Pin<&mut Self>, f: &u32) -> &u32 { | - - let's call the lifetime of this reference `'1` | | | let's call the lifetime of this reference `'2` LL | f | ^ method was supposed to return data with lifetime `'2` but it is returning data with lifetime `'1` | help: consider introducing a named lifetime parameter and update trait if needed | LL | fn pin_ref_Self<'a>(self: Pin<&'a mut Self>, f: &'a u32) -> &u32 { | ++++ ++ ++ error: lifetime may not live long enough --> $DIR/ref-mut-self.rs:33:9 | LL | fn box_box_ref_Self(self: Box>, f: &u32) -> &u32 { | - - let's call the lifetime of this reference `'1` | | | let's call the lifetime of this reference `'2` LL | f | ^ method was supposed to return data with lifetime `'2` but it is returning data with lifetime `'1` | help: consider introducing a named lifetime parameter and update trait if needed | LL | fn box_box_ref_Self<'a>(self: Box>, f: &'a u32) -> &u32 { | ++++ ++ ++ error: lifetime may not live long enough --> $DIR/ref-mut-self.rs:38:9 | LL | fn box_pin_ref_Self(self: Box>, f: &u32) -> &u32 { | - - let's call the lifetime of this reference `'1` | | | let's call the lifetime of this reference `'2` LL | f | ^ method was supposed to return data with lifetime `'2` but it is returning data with lifetime `'1` | help: consider introducing a named lifetime parameter and update trait if needed | LL | fn box_pin_ref_Self<'a>(self: Box>, f: &'a u32) -> &u32 { | ++++ ++ ++ error: aborting due to 6 previous errors