1 error[E0495]: cannot infer an appropriate lifetime for lifetime parameter `'a` due to conflicting requirements
2 --> $DIR/ex2e-push-inference-variable-3.rs:17:13
4 17 | let b = Ref { data: y.data };
7 note: first, the lifetime cannot outlive the lifetime 'c as defined on the body at 15:66...
8 --> $DIR/ex2e-push-inference-variable-3.rs:15:67
10 15 | fn foo<'a, 'b, 'c>(x: &'a mut Vec<Ref<'b, i32>>, y: Ref<'c, i32>) {
11 | ___________________________________________________________________^ starting here...
12 16 | | let a: &mut Vec<Ref<i32>> = x;
13 17 | | let b = Ref { data: y.data };
14 18 | | Vec::push(a, b);
17 note: ...so that reference does not outlive borrowed content
18 --> $DIR/ex2e-push-inference-variable-3.rs:17:25
20 17 | let b = Ref { data: y.data };
22 note: but, the lifetime must be valid for the lifetime 'b as defined on the body at 15:66...
23 --> $DIR/ex2e-push-inference-variable-3.rs:15:67
25 15 | fn foo<'a, 'b, 'c>(x: &'a mut Vec<Ref<'b, i32>>, y: Ref<'c, i32>) {
26 | ___________________________________________________________________^ starting here...
27 16 | | let a: &mut Vec<Ref<i32>> = x;
28 17 | | let b = Ref { data: y.data };
29 18 | | Vec::push(a, b);
32 note: ...so that expression is assignable (expected &mut std::vec::Vec<Ref<'_, i32>>, found &mut std::vec::Vec<Ref<'b, i32>>)
33 --> $DIR/ex2e-push-inference-variable-3.rs:16:33
35 16 | let a: &mut Vec<Ref<i32>> = x;
38 error: aborting due to previous error