2018-12-09 18:14:40.018894: I tensorflow/core/platform/cpu_feature_guard.cc:141] Your CPU supports instructions that this TensorFlow binary was not compiled to use: SSE4.1 SSE4.2 AVX AVX2 FMA
cpu backend was already registered. Reusing existing backend
cpu backend was already registered. Reusing existing backend
cpu backend was already registered. Reusing existing backend
(node:9737) UnhandledPromiseRejectionWarning: TypeError: trackerFn(...).nextTensorId is not a function
    at new Tensor (/home/ubuntu/node_modules/@tensorflow/tfjs-core/src/tensor.ts:421:27)
    at Function.Tensor.make (/home/ubuntu/node_modules/@tensorflow/tfjs-core/src/tensor.ts:436:12)
    at tensor (/home/ubuntu/node_modules/@tensorflow/tfjs-core/src/ops/tensor_ops.ts:80:17)
    at Object.scalar (/home/ubuntu/node_modules/@tensorflow/tfjs-core/src/ops/tensor_ops.ts:110:10)
    at /home/ubuntu/face-api.js/src/ssdMobilenetv1/SsdMobilenetv1.js:73:51
    at /home/ubuntu/face-api.js/examples/examples-nodejs/node_modules/@tensorflow/tfjs-core/src/engine.ts:157:20
    at Engine.scopedRun (/home/ubuntu/face-api.js/examples/examples-nodejs/node_modules/@tensorflow/tfjs-core/src/engine.ts:168:19)
    at Engine.tidy (/home/ubuntu/face-api.js/examples/examples-nodejs/node_modules/@tensorflow/tfjs-core/src/engine.ts:154:17)
    at Object.Environment.tidy (/home/ubuntu/node_modules/@tensorflow/tfjs-core/src/environment.ts:187:23)
    at SsdMobilenetv1.forwardInput (/home/ubuntu/face-api.js/src/ssdMobilenetv1/SsdMobilenetv1.js:71:19)
(node:9737) UnhandledPromiseRejectionWarning: Unhandled promise rejection. This error originated either by throwing inside of an async function without a catch block, or by rejecting a promise which was not handled with .catch(). (rejection id: 1)
(node:9737) [DEP0018] DeprecationWarning: Unhandled promise rejections are deprecated. In the future, promise rejections that are not handled will terminate the Node.js process with a non-zero exit code.