Logstash-input-stomp installation stuck

I was trying to install the latest GitHub version of logstash-input-stomp (which fixes some critical bugs) but the plugin manager seems to be stuck during installation.

$ wget https://download.elastic.co/logstash/logstash/logstash-2.1.0.tar.gz
$ tar xzvf logstash-2.1.0.tar.gz
$ logstash-2.1.0/bin/plugin uninstall logstash-input-stomp

$ git clone https://github.com/logstash-plugins/logstash-input-stomp
$ gem build logstash-input-stomp/logstash-input-stomp.gemspec
$ logstash-2.1.0/bin/plugin install logstash-input-stomp-2.0.3.gem

The plugin manager is stuck at the following message for more than an hour...

Validating /home/user/scratch/logstash-input-stomp/logstash-input-stomp-2.0.3.gem
Installing logstash-input-stomp

Any advice? Thanks!

Edit:

The output of find. Seems like 2.0.2 is still in there...

$ find . -iwholename "*input-stomp*"
./vendor/local_gems/060fb44a/logstash-input-stomp-2.0.3
./vendor/local_gems/060fb44a/logstash-input-stomp-2.0.3/CHANGELOG.md
./vendor/local_gems/060fb44a/logstash-input-stomp-2.0.3/CONTRIBUTORS
./vendor/local_gems/060fb44a/logstash-input-stomp-2.0.3/Gemfile
./vendor/local_gems/060fb44a/logstash-input-stomp-2.0.3/lib
./vendor/local_gems/060fb44a/logstash-input-stomp-2.0.3/lib/logstash
./vendor/local_gems/060fb44a/logstash-input-stomp-2.0.3/lib/logstash/inputs
./vendor/local_gems/060fb44a/logstash-input-stomp-2.0.3/lib/logstash/inputs/stomp.rb
./vendor/local_gems/060fb44a/logstash-input-stomp-2.0.3/README.md
./vendor/local_gems/060fb44a/logstash-input-stomp-2.0.3/spec
./vendor/local_gems/060fb44a/logstash-input-stomp-2.0.3/spec/inputs
./vendor/local_gems/060fb44a/logstash-input-stomp-2.0.3/spec/inputs/stomp_spec.rb
./vendor/local_gems/060fb44a/logstash-input-stomp-2.0.3/logstash-input-stomp.gemspec
./vendor/local_gems/060fb44a/logstash-input-stomp-2.0.3/NOTICE.TXT
./vendor/local_gems/060fb44a/logstash-input-stomp-2.0.3/LICENSE
./vendor/bundle/jruby/1.9/gems/logstash-input-stomp-2.0.2
./vendor/bundle/jruby/1.9/gems/logstash-input-stomp-2.0.2/CHANGELOG.md
./vendor/bundle/jruby/1.9/gems/logstash-input-stomp-2.0.2/CONTRIBUTORS
./vendor/bundle/jruby/1.9/gems/logstash-input-stomp-2.0.2/Gemfile
./vendor/bundle/jruby/1.9/gems/logstash-input-stomp-2.0.2/lib
./vendor/bundle/jruby/1.9/gems/logstash-input-stomp-2.0.2/lib/logstash
./vendor/bundle/jruby/1.9/gems/logstash-input-stomp-2.0.2/lib/logstash/inputs
./vendor/bundle/jruby/1.9/gems/logstash-input-stomp-2.0.2/lib/logstash/inputs/stomp.rb
./vendor/bundle/jruby/1.9/gems/logstash-input-stomp-2.0.2/README.md
./vendor/bundle/jruby/1.9/gems/logstash-input-stomp-2.0.2/logstash-input-stomp.gemspec
./vendor/bundle/jruby/1.9/gems/logstash-input-stomp-2.0.2/NOTICE.TXT
./vendor/bundle/jruby/1.9/gems/logstash-input-stomp-2.0.2/LICENSE
./vendor/bundle/jruby/1.9/specifications/logstash-input-stomp-2.0.2.gemspec