=> Bootstrap dependency digest>=20010302: found digest-20190127
=> Fetching PriorityQueue-0.1.2.gem
=> Total size: 59392 bytes
=> Checksum SHA1 OK for PriorityQueue-0.1.2.gem
=> Checksum RMD160 OK for PriorityQueue-0.1.2.gem
=> Checksum SHA512 OK for PriorityQueue-0.1.2.gem