=> Bootstrap dependency digest>=20010302: found digest-20190127
=> Fetching msgpack-1.4.2.gem
=> Total size: 83456 bytes
=> Checksum SHA1 OK for msgpack-1.4.2.gem
=> Checksum RMD160 OK for msgpack-1.4.2.gem
=> Checksum SHA512 OK for msgpack-1.4.2.gem