error[E0261]: use of undeclared lifetime name `'a`
  --> $DIR/regions-in-structs.rs:10:9
   |
LL | struct StructDecl {
   |                  - help: consider introducing lifetime `'a` here: `<'a>`
LL |     a: &'a isize,
   |         ^^ undeclared lifetime

error[E0261]: use of undeclared lifetime name `'a`
  --> $DIR/regions-in-structs.rs:11:9
   |
LL | struct StructDecl {
   |                  - help: consider introducing lifetime `'a` here: `<'a>`
LL |     a: &'a isize,
LL |     b: &'a isize,
   |         ^^ undeclared lifetime

error: aborting due to 2 previous errors

For more information about this error, try `rustc --explain E0261`.