require Collection::Entity to be 'static to avoid breakage
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Your project will stop compiling starting in version 1.77. The core issue is
SearchCollection::iterwhich returnsimpl Iterator<Item = SearchEntry<<C as Collection<'a>>::Entity>> + '_.SearchEntry<E>requiresE: 'static. Currently<C as Collection<'a>>::Entityis not known to be'staticand should error.We previously did not error here, which was unsound and could result in use-after-free, e.g. https://rust.godbolt.org/z/oGzxjoYre. By adding the
'staticbound your crate will continue to compile