=> Bootstrap dependency digest>=20010302: found digest-20160304
=> Fetching ruby-2.1.10.tar.bz2
=> Total size: 12015299 bytes
ftp: Error retrieving file `404 Not Found'
fetch: Unable to fetch expected file ruby-2.1.10.tar.bz2
=> Checksum SHA1 OK for ruby-2.1.10.tar.bz2
=> Checksum RMD160 OK for ruby-2.1.10.tar.bz2
=> Checksum SHA512 OK for ruby-2.1.10.tar.bz2