node.log barfing example

Worker #28990: starting unit #1190 (graphics_magick/processing)
Worker #28745: failed unit #1195 (graphics_magick/processing) in 283.102081 seconds

/var/lib/gems/1.8/gems/cloud-crowd-0.5.0/lib/cloud_crowd/action.rb:77:in ``'/usr/local/cloud-crowd/actions/graphics_magick.rb:25:in `run_step'/usr/local/cloud-crowd/actions/graphics_magick.rb:15:in `process'/usr/lib/ruby/1.8/fileutils.rb:1421:in `inject'/usr/local/cloud-crowd/actions/graphics_magick.rb:15:in `each'/usr/local/cloud-crowd/actions/graphics_magick.rb:15:in `inject'/usr/local/cloud-crowd/actions/graphics_magick.rb:15:in `process'/var/lib/gems/1.8/gems/cloud-crowd-0.5.0/lib/cloud_crowd/worker.rb:79:in `run_work_unit'/var/lib/gems/1.8/gems/cloud-crowd-0.5.0/lib/cloud_crowd/worker.rb:77:in `chdir'/var/lib/gems/1.8/gems/cloud-crowd-0.5.0/lib/cloud_crowd/worker.rb:77:in `run_work_unit'/var/lib/gems/1.8/gems/cloud-crowd-0.5.0/lib/cloud_crowd/worker.rb:101:in `run'/var/lib/gems/1.8/gems/cloud-crowd-0.5.0/lib/cloud_crowd/node.rb:60:in `POST /work'/var/lib/gems/1.8/gems/cloud-crowd-0.5.0/lib/cloud_crowd/node.rb:60:in `fork'/var/lib/gems/1.8/gems/cloud-crowd-0.5.0/lib/cloud_crowd/node.rb:60:in `POST /work'/var/lib/gems/1.8/gems/sinatra-0.9.6/lib/sinatra/base.rb:809:in `call'/var/lib/gems/1.8/gems/sinatra-0.9.6/lib/sinatra/base.rb:809:in `route'/var/lib/gems/1.8/gems/sinatra-0.9.6/lib/sinatra/base.rb:488:in `instance_eval'/var/lib/gems/1.8/gems/sinatra-0.9.6/lib/sinatra/base.rb:488:in `route_eval'/var/lib/gems/1.8/gems/sinatra-0.9.6/lib/sinatra/base.rb:477:in `route!'/var/lib/gems/1.8/gems/sinatra-0.9.6/lib/sinatra/base.rb:474:in `catch'/var/lib/gems/1.8/gems/sinatra-0.9.6/lib/sinatra/base.rb:474:in `route!'/var/lib/gems/1.8/gems/sinatra-0.9.6/lib/sinatra/base.rb:453:in `each'/var/lib/gems/1.8/gems/sinatra-0.9.6/lib/sinatra/base.rb:453:in `route!'/var/lib/gems/1.8/gems/sinatra-0.9.6/lib/sinatra/base.rb:569:in `dispatch!'/var/lib/gems/1.8/gems/sinatra-0.9.6/lib/sinatra/base.rb:388:in `call!'/var/lib/gems/1.8/gems/sinatra-0.9.6/lib/sinatra/base.rb:536:in `instance_eval'/var/lib/gems/1.8/gems/sinatra-0.9.6/lib/sinatra/base.rb:536:in `invoke'/var/lib/gems/1.8/gems/sinatra-0.9.6/lib/sinatra/base.rb:536:in `catch'/var/lib/gems/1.8/gems/sinatra-0.9.6/lib/sinatra/base.rb:536:in `invoke'/var/lib/gems/1.8/gems/sinatra-0.9.6/lib/sinatra/base.rb:388:in `call!'/var/lib/gems/1.8/gems/sinatra-0.9.6/lib/sinatra/base.rb:377:in `call'/var/lib/gems/1.8/gems/thin-1.2.7/lib/thin/connection.rb:76:in `pre_process'/var/lib/gems/1.8/gems/thin-1.2.7/lib/thin/connection.rb:74:in `catch'/var/lib/gems/1.8/gems/thin-1.2.7/lib/thin/connection.rb:74:in `pre_process'/var/lib/gems/1.8/gems/thin-1.2.7/lib/thin/connection.rb:57:in `process'/var/lib/gems/1.8/gems/thin-1.2.7/lib/thin/connection.rb:42:in `receive_data'/var/lib/gems/1.8/gems/eventmachine-0.12.10/lib/eventmachine.rb:256:in `run_machine'/var/lib/gems/1.8/gems/eventmachine-0.12.10/lib/eventmachine.rb:256:in `run'/var/lib/gems/1.8/gems/thin-1.2.7/lib/thin/backends/base.rb:57:in `start'/var/lib/gems/1.8/gems/thin-1.2.7/lib/thin/server.rb:156:in `start'/var/lib/gems/1.8/gems/cloud-crowd-0.5.0/lib/cloud_crowd/node.rb:93:in `start'/var/lib/gems/1.8/gems/cloud-crowd-0.5.0/lib/cloud_crowd/node.rb:93:in `initialize'/var/lib/gems/1.8/gems/cloud-crowd-0.5.0/lib/cloud_crowd/node.rb:93:in `new'/var/lib/gems/1.8/gems/cloud-crowd-0.5.0/lib/cloud_crowd/node.rb:93:in `start'/var/lib/gems/1.8/gems/cloud-crowd-0.5.0/lib/cloud_crowd/node.rb:79:in `initialize'/var/lib/gems/1.8/gems/sinatra-0.9.6/lib/sinatra/base.rb:923:in `new'/var/lib/gems/1.8/gems/sinatra-0.9.6/lib/sinatra/base.rb:923:in `new'/var/lib/gems/1.8/gems/cloud-crowd-0.5.0/bin/../lib/cloud_crowd/command_line.rb:118:in `start_node'/var/lib/gems/1.8/gems/cloud-crowd-0.5.0/bin/../lib/cloud_crowd/command_line.rb:107:in `run_node'/var/lib/gems/1.8/gems/cloud-crowd-0.5.0/bin/../lib/cloud_crowd/command_line.rb:43:in `initialize'/var/lib/gems/1.8/gems/cloud-crowd-0.5.0/bin/crowd:5:in `new'/var/lib/gems/1.8/gems/cloud-crowd-0.5.0/bin/crowd:5/var/lib/gems/1.8/bin/crowd:19:in `load'/var/lib/gems/1.8/bin/crowd:19