=> Bootstrap dependency digest>=20010302: found digest-20190127
=> Fetching tk-0.3.0.gem
=> Total size: 1721856 bytes
=> Checksum SHA1 OK for tk-0.3.0.gem
=> Checksum RMD160 OK for tk-0.3.0.gem
=> Checksum SHA512 OK for tk-0.3.0.gem