=> Bootstrap dependency digest>=20010302: found digest-20190127
=> Fetching image_size-2.0.2.gem
=> Total size: 149504 bytes
=> Checksum SHA1 OK for image_size-2.0.2.gem
=> Checksum RMD160 OK for image_size-2.0.2.gem
=> Checksum SHA512 OK for image_size-2.0.2.gem