=> Bootstrap dependency digest>=20010302: found digest-20190127
=> Fetching swift-3.0.tar.gz
=> Total size: 11084214 bytes
=> Checksum SHA1 OK for swift-3.0.tar.gz
=> Checksum RMD160 OK for swift-3.0.tar.gz
=> Checksum SHA512 OK for swift-3.0.tar.gz
=> Checksum SHA1 OK for swift-3.0.tar.gz
=> Checksum RMD160 OK for swift-3.0.tar.gz
=> Checksum SHA512 OK for swift-3.0.tar.gz