lib/classes/PromiseTracker.js/PromiseTracker/report
class PromiseTracker:  report() {
    const delta = Date.now() - this.startTime;
    const pending = this.getPending();
    logInfo(
      [
        '##########################################################################################',
        `# ${delta}: ${this.getSettled().length} of ${this.getAll().length} promises have settled`,
        `# ${delta}: ${pending.length} unsettled promises:`,
      ]
        .concat(pending.map(promise => `# ${delta}:   ${promise.waitList}`))
        .concat([
          '# This can result from latent connections but may represent a cyclic variable dependency',
          '##########################################################################################',
        ])
        .join('\n  ')
    );
  }