error[E0515]: cannot yield value referencing local variable `s` --> $DIR/issue-55850.rs:28:9 | LL | yield &s[..] | ^^^^^^^-^^^^ | | | | | `s` is borrowed here | yields a value referencing data owned by the current function error[E0626]: borrow may still be in use when generator yields --> $DIR/issue-55850.rs:28:16 | LL | yield &s[..] | -------^---- possible yield occurs here error: aborting due to 2 previous errors Some errors have detailed explanations: E0515, E0626. For more information about an error, try `rustc --explain E0515`.