constructor (message) {
    this.message = message;
  }
Skip distracting trace for simple command-line mistakes.

Implement Symbol.for('nodejs.util.inspect.custom'), instead of extending Error,
as there appears to be no way to prevent console.error/util.inspect/util.format
from appending a stacktrace without causing other unwanted output.

@see https://nodejs.org/api/util.html#utilinspectcustom