logging while running `cargo test`
<pre><code>#[macro_use]
extern crate log;

fn whatever() {
    info!("whatever")
}

#[test]
fn test() {
    whatever();
}
</code></pre>

<p>I want to see the log after running unit tests (<code>cargo test</code>),
how is it possible <em>now</em>?</p>