=> Bootstrap dependency digest>=20010302: found digest-20190127
=> Fetching connection_pool-2.2.2.gem
=> Total size: 13824 bytes
=> Checksum SHA1 OK for connection_pool-2.2.2.gem
=> Checksum RMD160 OK for connection_pool-2.2.2.gem
=> Checksum SHA512 OK for connection_pool-2.2.2.gem