1 error: lifetime may not live long enough
2 --> $DIR/hr-subtype.rs:48:13
4 LL | fn subtype<'x, 'y: 'x, 'z: 'y>() {
5 | -- -- lifetime `'y` defined here
7 | lifetime `'x` defined here
8 LL | gimme::<$t2>(None::<$t1>);
9 | ^^^^^^^^^^^^^^^^^^^^^^^^^ argument requires that `'x` must outlive `'y`
11 LL | / check! { free_inv_x_vs_free_inv_y: (fn(Inv<'x>),
13 | |______________- in this macro invocation
15 = help: consider adding the following bound: `'x: 'y`
16 = note: requirement occurs because of the type `Inv<'_>`, which makes the generic argument `'_` invariant
17 = note: the struct `Inv<'a>` is invariant over the parameter `'a`
18 = help: see <https://doc.rust-lang.org/nomicon/subtyping.html> for more information about variance
19 = note: this error originates in the macro `check` (in Nightly builds, run with -Z macro-backtrace for more info)
21 error: lifetime may not live long enough
22 --> $DIR/hr-subtype.rs:54:13
24 LL | fn supertype<'x, 'y: 'x, 'z: 'y>() {
25 | -- -- lifetime `'y` defined here
27 | lifetime `'x` defined here
28 LL | gimme::<$t1>(None::<$t2>);
29 | ^^^^^^^^^^^^^^^^^^^^^^^^^ argument requires that `'x` must outlive `'y`
31 LL | / check! { free_inv_x_vs_free_inv_y: (fn(Inv<'x>),
33 | |______________- in this macro invocation
35 = help: consider adding the following bound: `'x: 'y`
36 = note: requirement occurs because of the type `Inv<'_>`, which makes the generic argument `'_` invariant
37 = note: the struct `Inv<'a>` is invariant over the parameter `'a`
38 = help: see <https://doc.rust-lang.org/nomicon/subtyping.html> for more information about variance
39 = note: this error originates in the macro `check` (in Nightly builds, run with -Z macro-backtrace for more info)
41 error: aborting due to 2 previous errors