error[E0623]: lifetime mismatch --> $DIR/ref-struct-async.rs:14:9 | LL | async fn ref_Struct(self: &Struct, f: &u32) -> &u32 { | ------- ---- | | | this parameter and the return type are declared with different lifetimes... LL | f | ^ ...but data from `f` is returned here error[E0623]: lifetime mismatch --> $DIR/ref-struct-async.rs:18:9 | LL | async fn box_ref_Struct(self: Box<&Struct>, f: &u32) -> &u32 { | ------- ---- | | | this parameter and the return type are declared with different lifetimes... LL | f | ^ ...but data from `f` is returned here error[E0623]: lifetime mismatch --> $DIR/ref-struct-async.rs:22:9 | LL | async fn pin_ref_Struct(self: Pin<&Struct>, f: &u32) -> &u32 { | ------- ---- | | | this parameter and the return type are declared with different lifetimes... LL | f | ^ ...but data from `f` is returned here error[E0623]: lifetime mismatch --> $DIR/ref-struct-async.rs:26:9 | LL | async fn box_box_ref_Struct(self: Box>, f: &u32) -> &u32 { | ------- ---- | | | this parameter and the return type are declared with different lifetimes... LL | f | ^ ...but data from `f` is returned here error[E0623]: lifetime mismatch --> $DIR/ref-struct-async.rs:30:9 | LL | async fn box_pin_Struct(self: Box>, f: &u32) -> &u32 { | ------- ---- | | | this parameter and the return type are declared with different lifetimes... LL | f | ^ ...but data from `f` is returned here error: aborting due to 5 previous errors