error: field overflows containing struct; 0 bit(s) available
 --> tests_error/packing_overflow.rs:7:9
  |
7 |         y: 1,
  |         ^

error: field overflows containing struct; 0 bit(s) available
  --> tests_error/packing_overflow.rs:13:9
   |
13 |         y: 1,
   |         ^

error: field overflows containing struct; 1 bit(s) available
  --> tests_error/packing_overflow.rs:19:9
   |
19 |         y: 2,
   |         ^

error: field overflows containing struct; 1 bit(s) available
  --> tests_error/packing_overflow.rs:25:9
   |
25 |         y: 2,
   |         ^