1 error[E0623]: lifetime mismatch
2 --> $DIR/ex2c-push-inference-variable.rs:17:12
4 15 | fn foo<'a, 'b, 'c>(x: &'a mut Vec<Ref<'b, i32>>, y: Ref<'c, i32>) {
5 | ------------ ------------ these two types are declared with different lifetimes...
6 16 | let z = Ref { data: y.data };
8 | ^ ...but data from `y` flows into `x` here
10 error: aborting due to previous error