thread 'main' panicked at 'explicit panic', $DIR/exported_symbol_bad_unwind1.rs:LL:CC note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace error: Undefined Behavior: unwinding past a stack frame that does not allow unwinding --> $DIR/exported_symbol_bad_unwind1.rs:LL:CC | LL | unsafe { unwind() } | ^^^^^^^^ unwinding past a stack frame that does not allow unwinding | = help: this indicates a bug in the program: it performed an invalid operation, and caused Undefined Behavior = help: see https://doc.rust-lang.org/nightly/reference/behavior-considered-undefined.html for further information = note: BACKTRACE: = note: inside `main` at $DIR/exported_symbol_bad_unwind1.rs:LL:CC note: some details are omitted, run with `MIRIFLAGS=-Zmiri-backtrace=full` for a verbose backtrace error: aborting due to previous error