=> Bootstrap dependency digest>=20010302: found digest-20190127
=> Fetching posix-spawn-0.3.13.gem
=> Total size: 28160 bytes
=> Checksum SHA1 OK for posix-spawn-0.3.13.gem
=> Checksum RMD160 OK for posix-spawn-0.3.13.gem
=> Checksum SHA512 OK for posix-spawn-0.3.13.gem