thread 'main' ($TID) panicked at $DIR/test-panic-abort-nocapture.rs:31:5:
assertion `left == right` failed
  left: 2
 right: 4
note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace

thread 'main' ($TID) panicked at $DIR/test-panic-abort-nocapture.rs:25:5:
assertion `left == right` failed
  left: 2
 right: 4
note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace
testing321