error: `..` can only be used once per slice pattern
  --> $DIR/slice_destructure_fail.rs:3:14
   |
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:4:3
   |
LL |   [a, a, b] = [1, 2];
   |   ^^^^^^^^^ expected 2 elements

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

error: aborting due to 3 previous errors

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