error: Indexing on output is overwritten below ($DIR/tests/compile-fail/surface_port_naked_overwrite_knot_a_forwardref.rs:6:15) (1/2).
 --> tests/compile-fail/surface_port_naked_overwrite_knot_a_forwardref.rs:9:23
  |
9 |         out_0 = pivot[0];
  |                       ^

error: Cannot index on already-indexed output, previously indexed above ($DIR/tests/compile-fail/surface_port_naked_overwrite_knot_a_forwardref.rs:9:23) (2/2).
 --> tests/compile-fail/surface_port_naked_overwrite_knot_a_forwardref.rs:6:15
  |
6 |         out_0[0] -> inn_0; // Error: `pivot[0][0]`
  |               ^