DistutilsNonPEP517Build: version 1.5.1-r1: uses deprecated non-PEP517 build mode, please switch to DISTUTILS_USE_PEP517=...
  DistutilsNonPEP517Build: version 1.6.0-r1: uses deprecated non-PEP517 build mode, please switch to DISTUTILS_USE_PEP517=...