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  '));
  }