=> Bootstrap dependency digest>=20010302: found digest-20160304
=> Fetching ntl-6.0.0.tar.gz
=> Total size: 714741 bytes
ntl-6.0.0.tar.gz                                         0  B    0  Bps
=> Checksum SHA1 OK for ntl-6.0.0.tar.gz
=> Checksum RMD160 OK for ntl-6.0.0.tar.gz
=> Checksum SHA512 OK for ntl-6.0.0.tar.gz