npm WARN deprecated tar@2.2.2: This version of tar is no longer supported, and will not receive security updates. Please upgrade asap.
npm WARN deprecated request@2.88.2: request has been deprecated, see https://github.com/request/request/issues/3142
npm WARN deprecated har-validator@5.1.5: this library is no longer supported
npm WARN deprecated kad-fs@0.0.4: This package is no longer maintained.
npm WARN deprecated kad-memstore@0.0.1: This package is no longer maintained.