error: rustc_outlives --> $DIR/cross-crate.rs:14:1 | LL | / struct Foo<'a, T> { //~ ERROR 14:1: 16:2: rustc_outlives LL | | bar: std::slice::IterMut<'a, T> LL | | } | |_^ | = note: T : 'a error: aborting due to previous error