fn dump_rd_stack(bt: Backtrace) {
    eprintln!("=== Start rd backtrace:");
    eprintln!("{:?}", bt);
    eprintln!("=== End rd backtrace");
}
/// Write the backtrace to stderr.
Write the backtrace to stderr.
Write the backtrace to stderr .
fn dump_rd_stack(bt: Backtrace) {
    eprintln!("=== Start rd backtrace:");
    eprintln!("{:?}", bt);
    eprintln!("=== End rd backtrace");
}
fn dump_rd_stack ( bt : Backtrace ) { eprintln ! ( " " ) ; eprintln ! ( " " bt ) ; eprintln ! ( " " ) ; }
Write the backtrace to stderr.
Write the backtrace to stderr .
bt
Backtrace