=> Bootstrap dependency digest>=20010302: found digest-20190127 => Fetching OTP-21.3.6.tar.gz => Total size: 54030023 bytes => Checksum SHA1 OK for erlang/OTP-21.3.6.tar.gz => Checksum RMD160 OK for erlang/OTP-21.3.6.tar.gz => Checksum SHA512 OK for erlang/OTP-21.3.6.tar.gz