Basic but cool Rust logging

Cargo.toml

[dependencies]
chrono = "0.4.38"
fern = "0.6.2"
log = "0.4.21"

main.rs

use log::info;

extern crate fern;
extern crate log;
extern crate chrono;

fn main() {
    setup_logging().expect("Failed to initialize logging.");
    info!("Started DockerFace");
}

fn setup_logging() -> Result<(), fern::InitError> {
    fern::Dispatch::new()
        .format(|out, message, record| {
            out.finish(format_args!(
                "{}[{}][{}] {}",
                chrono::Local::now().format("[%Y-%m-%d][%H:%M:%S]"),
                record.target(),
                record.level(),
                message
            ))
        })
        .level(log::LevelFilter::Info)
        .chain(fern::log_file("output.log")?)
        .chain(std::io::stdout())
        .apply()?;
    Ok(())
}