I've just checked, and the file in question does (now) exist. However it is dated Jan 16 08:24 (about 5 hours later).
I wonder if there is some issue in the way that gems are updated? S ---------- Forwarded message --------- From: Public JSON job monitor <dev@whimsical.apache.org> Date: Thu, 16 Jan 2020 at 03:41 Subject: Problem (danger) detected in ldap-services job To: Notification List <notificati...@whimsical.apache.org> LOG: /usr/local/rvm/rubies/ruby-2.4.1/lib/ruby/2.4.0/rubygems/stub_specification.rb:116:in `initialize': No such file or directory @ rb_sysopen - /usr/local/rvm/gems/ruby-2.4.1/specifications/bundler-2.1.4.gemspec (Errno::ENOENT)