error: this operation will panic at runtime
  --> $DIR/index_out_of_bounds_propagated.rs:5:5
   |
LL |     array[1];
   |     ^^^^^^^^ index out of bounds: the len is 1 but the index is 1
   |
   = note: `#[deny(unconditional_panic)]` on by default

error: aborting due to previous error