warning: hiding a lifetime that's elided elsewhere is confusing
   --> mozjs/src/gc/collections.rs:128:19
    |
128 |     pub fn handle(&self) -> Handle<T> {
    |                   ^^^^^     ^^^^^^^^^ the same lifetime is hidden here
    |                   |
    |                   the lifetime is elided here
    |
    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
help: use `'_` for type paths
    |
128 |     pub fn handle(&self) -> Handle<'_, T> {
    |                                    +++