=> Bootstrap dependency digest>=20010302: found digest-20190127
=> Fetching rubysdl-2.2.0.gem
=> Total size: 259584 bytes
=> Checksum SHA1 OK for rubysdl-2.2.0.gem
=> Checksum RMD160 OK for rubysdl-2.2.0.gem
=> Checksum SHA512 OK for rubysdl-2.2.0.gem