| thread 'main' panicked at tests/panic/panic4.rs:LL:CC: | |
| 42-panicking from libcore | |
| note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace | |
| note: in Miri, you may have to set `MIRIFLAGS=-Zmiri-env-forward=RUST_BACKTRACE` for the environment variable to have an effect |