error[E0308]: mismatched types
  --> $DIR/trait-associated-constant.rs:21:5
   |
LL |     const AC: Option<&'c str> = None;
   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ lifetime mismatch
   |
   = note: expected type `std::option::Option<&'b str>`
              found type `std::option::Option<&'c str>`
note: the lifetime 'c as defined on the impl at 20:18...
  --> $DIR/trait-associated-constant.rs:20:18
   |
LL | impl<'a: 'b, 'b, 'c> Anything<'a, 'b> for FailStruct1 {
   |                  ^^
note: ...does not necessarily outlive the lifetime 'b as defined on the impl at 20:14
  --> $DIR/trait-associated-constant.rs:20:14
   |
LL | impl<'a: 'b, 'b, 'c> Anything<'a, 'b> for FailStruct1 {
   |              ^^

error[E0308]: mismatched types
  --> $DIR/trait-associated-constant.rs:28:5
   |
LL |     const AC: Option<&'a str> = None;
   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ lifetime mismatch
   |
   = note: expected type `std::option::Option<&'b str>`
              found type `std::option::Option<&'a str>`
note: the lifetime 'a as defined on the impl at 27:6...
  --> $DIR/trait-associated-constant.rs:27:6
   |
LL | impl<'a: 'b, 'b> Anything<'a, 'b> for FailStruct2 {
   |      ^^
note: ...does not necessarily outlive the lifetime 'b as defined on the impl at 27:14
  --> $DIR/trait-associated-constant.rs:27:14
   |
LL | impl<'a: 'b, 'b> Anything<'a, 'b> for FailStruct2 {
   |              ^^

error: aborting due to 2 previous errors

For more information about this error, try `rustc --explain E0308`.