=> Creating binary package /Users/pbulk/build/databases/apache-cassandra/work/.packages/apache-cassandra-3.11.2nb4.tgz
=> Signing binary package /Users/pbulk/build/databases/apache-cassandra/work/.packages/apache-cassandra-3.11.2nb4.tgz (GPG)
can't create `/var/root/.gnupg/random_seed': Read-only file system
pkg_add: apache-cassandra-3.11.2nb4: missing required library: libsigar-universal-macosx.dylib
pkg_add: apache-cassandra-3.11.2nb4: missing required library: libsigar-universal64-macosx.dylib
pkg_add: 1 package addition failed