error[E0597]: `ticking` does not live long enough
  --> $DIR/issue-26656.rs:40:35
   |
LL |     let (mut zook, ticking);
   |                    ------- binding `ticking` declared here
...
LL |     zook.button = B::BigRedButton(&ticking);
   |                                   ^^^^^^^^ borrowed value does not live long enough
LL | }
   | -
   | |
   | `ticking` dropped here while still borrowed
   | borrow might be used here, when `zook` is dropped and runs the `Drop` code for type `Zook`
   |
   = note: values in a scope are dropped in the opposite order they are defined

error: aborting due to previous error

For more information about this error, try `rustc --explain E0597`.