error: lifetime may not live long enough --> $DIR/constant-in-expr-trait-item-2.rs:10:5 | LL | fn foo<'a, T: Foo<'a>>() -> &'static u32 { | -- lifetime `'a` defined here LL | >::C | ^^^^^^^^^^^^^^^^^ returning this value requires that `'a` must outlive `'static` error: aborting due to previous error