message: perf: Switch to system allocator
  The goal is smaller binary and easier memory profiling.
diff: @@ -26,10 +26,15 @@ mod error;
  mod new;
  mod serve;
  +use std::alloc;
  +
  use clap::{App, AppSettings};
  use error::*;
  +#[global_allocator]
  +static GLOBAL: alloc::System = alloc::System;
  +
  quick_main!(run);
  fn run() -> Result<()> {
  