=> Bootstrap dependency digest>=20010302: found digest-20190127
=> Fetching em-websocket-0.5.2.gem
=> Total size: 33280 bytes
=> Checksum SHA1 OK for em-websocket-0.5.2.gem
=> Checksum RMD160 OK for em-websocket-0.5.2.gem
=> Checksum SHA512 OK for em-websocket-0.5.2.gem