=> Bootstrap dependency digest>=20010302: found digest-20190127
=> Fetching ruby_parser-3.15.1.gem
=> Total size: 527360 bytes
=> Checksum SHA1 OK for ruby_parser-3.15.1.gem
=> Checksum RMD160 OK for ruby_parser-3.15.1.gem
=> Checksum SHA512 OK for ruby_parser-3.15.1.gem