| 257 > 255 | |
| error: the compiler unexpectedly panicked. this is a bug. | |
| query stack during panic: | |
| #0 [layout_of] computing layout of `Foo` | |
| #1 [eval_to_allocation_raw] const-evaluating + checking `FOO` | |
| ... and 2 other queries... use `env RUST_BACKTRACE=1` to see the full query stack |