error[E0515]: cannot return reference to function parameter `val` --> $DIR/impl-on-dyn-trait-with-implicit-static-bound-needing-more-suggestions.rs:21:9 | LL | val.use_self() | ^^^^^^^^^^^^^^ returns a reference to data owned by the current function error[E0515]: cannot return reference to function parameter `val` --> $DIR/impl-on-dyn-trait-with-implicit-static-bound-needing-more-suggestions.rs:43:9 | LL | val.use_self() | ^^^^^^^^^^^^^^ returns a reference to data owned by the current function error[E0515]: cannot return reference to function parameter `val` --> $DIR/impl-on-dyn-trait-with-implicit-static-bound-needing-more-suggestions.rs:109:9 | LL | val.use_self() | ^^^^^^^^^^^^^^ returns a reference to data owned by the current function error: aborting due to 3 previous errors For more information about this error, try `rustc --explain E0515`.