error: `..` can only be used once per slice pattern
  --> $DIR/slice_destructure_fail.rs:3:16
   |
LL |     [a, .., b, ..] = [0, 1];
   |         --     ^^ can only be used once per slice pattern
   |         |
   |         previously used here

error[E0527]: pattern requires 3 elements but array has 2
  --> $DIR/slice_destructure_fail.rs:4:5
   |
LL |     [a, a, b] = [1, 2];
   |     ^^^^^^^^^ expected 2 elements

error[E0527]: pattern requires 1 element but array has 2
  --> $DIR/slice_destructure_fail.rs:6:5
   |
LL |     [_] = [1, 2];
   |     ^^^ expected 2 elements

error: aborting due to 3 previous errors

For more information about this error, try `rustc --explain E0527`.