pub fn configure_logging() {
    // Configure tracing to show events, and to show info-level spans.
    let default_verbosity = tracing_subscriber::filter::LevelFilter::DEBUG;
    let env_filter = tracing_subscriber::EnvFilter::builder()
        .with_default_directive(default_verbosity.into())
        .from_env_lossy();
    tracing_subscriber::fmt()
        .with_env_filter(env_filter)
        .with_timer(tracing_subscriber::fmt::time::Uptime::default())
        .with_span_events(
            tracing_subscriber::fmt::format::FmtSpan::CLOSE
                | tracing_subscriber::fmt::format::FmtSpan::NEW,
        )
        .with_target(false)
        .init();
}