error[E0107]: struct takes 0 lifetime arguments but 1 lifetime argument was supplied --> $DIR/issue-82126-mismatched-subst-and-hir.rs:16:59 | LL | async fn buy_lock(coroutine: &Mutex) -> LockedMarket<'_> { | ^^^^^^^^^^^^---- help: remove these generics | | | expected 0 lifetime arguments | note: struct defined here, with 0 lifetime parameters --> $DIR/issue-82126-mismatched-subst-and-hir.rs:22:8 | LL | struct LockedMarket(T); | ^^^^^^^^^^^^ error[E0107]: struct takes 1 generic argument but 0 generic arguments were supplied --> $DIR/issue-82126-mismatched-subst-and-hir.rs:16:59 | LL | async fn buy_lock(coroutine: &Mutex) -> LockedMarket<'_> { | ^^^^^^^^^^^^ expected 1 generic argument | note: struct defined here, with 1 generic parameter: `T` --> $DIR/issue-82126-mismatched-subst-and-hir.rs:22:8 | LL | struct LockedMarket(T); | ^^^^^^^^^^^^ - help: add missing generic argument | LL | async fn buy_lock(coroutine: &Mutex) -> LockedMarket<'_, T> { | +++ error: aborting due to 2 previous errors For more information about this error, try `rustc --explain E0107`.