=> Bootstrap dependency digest>=20010302: found digest-20160304
=> Fetching ruby-2.3.1.tar.bz2
=> Total size: 14432088 bytes
ftp: Error retrieving file `404 Not Found'
fetch: Unable to fetch expected file ruby-2.3.1.tar.bz2
Failed to change directory.
fetch: Unable to fetch expected file ruby-2.3.1.tar.bz2
Failed to change directory.
fetch: Unable to fetch expected file ruby-2.3.1.tar.bz2
Failed to change directory.
fetch: Unable to fetch expected file ruby-2.3.1.tar.bz2
ftp: Can't connect to `130.225.254.113:21': Connection refused
ftp: Can't connect to `sunsite.dk:ftp'
ftp: Can't connect or login to host `sunsite.dk:ftp'
fetch: Unable to fetch expected file ruby-2.3.1.tar.bz2
ftp: Can't connect to `195.178.192.118:21': Connection refused
ftp: Can't connect to `193.233.9.194:21': Connection refused
ftp: Can't connect to `ftp.chg.ru:ftp'
ftp: Can't connect or login to host `ftp.chg.ru:ftp'
fetch: Unable to fetch expected file ruby-2.3.1.tar.bz2
=> Checksum SHA1 OK for ruby-2.3.1.tar.bz2
=> Checksum RMD160 OK for ruby-2.3.1.tar.bz2
=> Checksum SHA512 OK for ruby-2.3.1.tar.bz2