error[E0261]: use of undeclared lifetime name `'x`
  --> $DIR/feature-gate-in_band_lifetimes.rs:13:12
   |
13 | fn foo(x: &'x u8) -> &'x u8 { x }
   |            ^^ undeclared lifetime

error[E0261]: use of undeclared lifetime name `'x`
  --> $DIR/feature-gate-in_band_lifetimes.rs:13:23
   |
13 | fn foo(x: &'x u8) -> &'x u8 { x }
   |                       ^^ undeclared lifetime

error[E0261]: use of undeclared lifetime name `'b`
  --> $DIR/feature-gate-in_band_lifetimes.rs:25:12
   |
25 | impl<'a> X<'b> {
   |            ^^ undeclared lifetime

error[E0261]: use of undeclared lifetime name `'b`
  --> $DIR/feature-gate-in_band_lifetimes.rs:27:27
   |
27 |     fn inner_2(&self) -> &'b u8 {
   |                           ^^ undeclared lifetime

error[E0261]: use of undeclared lifetime name `'b`
  --> $DIR/feature-gate-in_band_lifetimes.rs:33:8
   |
33 | impl X<'b> {
   |        ^^ undeclared lifetime

error[E0261]: use of undeclared lifetime name `'b`
  --> $DIR/feature-gate-in_band_lifetimes.rs:35:27
   |
35 |     fn inner_3(&self) -> &'b u8 {
   |                           ^^ undeclared lifetime

error[E0261]: use of undeclared lifetime name `'a`
  --> $DIR/feature-gate-in_band_lifetimes.rs:43:9
   |
43 | impl Y<&'a u8> {
   |         ^^ undeclared lifetime

error[E0261]: use of undeclared lifetime name `'a`
  --> $DIR/feature-gate-in_band_lifetimes.rs:45:25
   |
45 |     fn inner(&self) -> &'a u8 {
   |                         ^^ undeclared lifetime

error[E0261]: use of undeclared lifetime name `'b`
  --> $DIR/feature-gate-in_band_lifetimes.rs:53:27
   |
53 |     fn any_lifetime() -> &'b u8;
   |                           ^^ undeclared lifetime

error[E0261]: use of undeclared lifetime name `'b`
  --> $DIR/feature-gate-in_band_lifetimes.rs:55:27
   |
55 |     fn borrowed_lifetime(&'b self) -> &'b u8;
   |                           ^^ undeclared lifetime

error[E0261]: use of undeclared lifetime name `'b`
  --> $DIR/feature-gate-in_band_lifetimes.rs:55:40
   |
55 |     fn borrowed_lifetime(&'b self) -> &'b u8;
   |                                        ^^ undeclared lifetime

error[E0261]: use of undeclared lifetime name `'a`
  --> $DIR/feature-gate-in_band_lifetimes.rs:60:14
   |
60 | impl MyTrait<'a> for Y<&'a u8> {
   |              ^^ undeclared lifetime

error[E0261]: use of undeclared lifetime name `'a`
  --> $DIR/feature-gate-in_band_lifetimes.rs:60:25
   |
60 | impl MyTrait<'a> for Y<&'a u8> {
   |                         ^^ undeclared lifetime

error[E0261]: use of undeclared lifetime name `'a`
  --> $DIR/feature-gate-in_band_lifetimes.rs:63:31
   |
63 |     fn my_lifetime(&self) -> &'a u8 { self.0 }
   |                               ^^ undeclared lifetime

error[E0261]: use of undeclared lifetime name `'b`
  --> $DIR/feature-gate-in_band_lifetimes.rs:65:27
   |
65 |     fn any_lifetime() -> &'b u8 { &0 }
   |                           ^^ undeclared lifetime

error[E0261]: use of undeclared lifetime name `'b`
  --> $DIR/feature-gate-in_band_lifetimes.rs:67:27
   |
67 |     fn borrowed_lifetime(&'b self) -> &'b u8 { &*self.0 }
   |                           ^^ undeclared lifetime

error[E0261]: use of undeclared lifetime name `'b`
  --> $DIR/feature-gate-in_band_lifetimes.rs:67:40
   |
67 |     fn borrowed_lifetime(&'b self) -> &'b u8 { &*self.0 }
   |                                        ^^ undeclared lifetime

error: aborting due to 17 previous errors