https://codesandbox.io/s/elastic-mayer-rzz4h2?file=/package.json

This is supposed to `console.error` but it doesn't.

17 warns: https://codesandbox.io/s/admiring-minsky-sze07m?file=/src/App.js
let completedWork = unitOfWork;
  do {
     
     
     
    const current = completedWork.alternate;
    const returnFiber = completedWork.return;
     
    if ((completedWork.flags & Incomplete) === NoFlags) {
      setCurrentDebugFiberInDEV(completedWork);
      let next;
      if (
        !enableProfilerTimer ||
        (completedWork.mode & ProfileMode) === NoMode
      ) {
        next = completeWork(current, completedWork, subtreeRenderLanes);
      } else {
        startProfilerTimer(completedWork);
        next = completeWork(current, completedWork, subtreeRenderLanes);
         
        stopProfilerTimerIfRunningAndRecordDelta(completedWork, false);
      }
      resetCurrentDebugFiberInDEV();
      if (next !== null) {