=> Bootstrap dependency digest>=20010302: found digest-20190127
=> Fetching treetop-1.4.15.gem
=> Total size: 78336 bytes
=> Checksum SHA1 OK for treetop-1.4.15.gem
=> Checksum RMD160 OK for treetop-1.4.15.gem
=> Checksum SHA512 OK for treetop-1.4.15.gem