=> Bootstrap dependency digest>=20010302: found digest-20190127
=> Fetching ruby-opengl-0.60.1.gem
=> Total size: 245248 bytes
=> Checksum SHA1 OK for ruby-opengl-0.60.1.gem
=> Checksum RMD160 OK for ruby-opengl-0.60.1.gem
=> Checksum SHA512 OK for ruby-opengl-0.60.1.gem