kitchen-docker Failure

gistfile1.txt

, [2015-03-06T07:06:46.573417 #7619] ERROR -- Kitchen: /home/nathan/.rvm/gems/ruby-2.1.5@chef-repo/bin/kitchen:23:in `<main>'
E, [2015-03-06T07:06:46.573429 #7619] ERROR -- Kitchen: /home/nathan/.rvm/gems/ruby-2.1.5@chef-repo/bin/ruby_executable_hooks:15:in `eval'
E, [2015-03-06T07:06:46.573459 #7619] ERROR -- Kitchen: /home/nathan/.rvm/gems/ruby-2.1.5@chef-repo/bin/ruby_executable_hooks:15:in `<main>'
E, [2015-03-06T07:06:46.573477 #7619] ERROR -- Kitchen: ----------------------
I, [2015-03-06T08:15:28.656671 #8367]  INFO -- Kitchen: -----> Starting Kitchen (v1.2.1)
E, [2015-03-06T08:15:28.696113 #8367] ERROR -- Kitchen: ------Exception-------
E, [2015-03-06T08:15:28.696375 #8367] ERROR -- Kitchen: Class: Kitchen::UserError
E, [2015-03-06T08:15:28.696423 #8367] ERROR -- Kitchen: Message: You must first install the Docker CLI tool http://www.docker.io/gettingstarted/
E, [2015-03-06T08:15:28.696449 #8367] ERROR -- Kitchen: ---Nested Exception---
E, [2015-03-06T08:15:28.696469 #8367] ERROR -- Kitchen: Class: Kitchen::ShellOut::ShellCommandFailed
E, [2015-03-06T08:15:28.696485 #8367] ERROR -- Kitchen: Message: Expected process to exit with [0], but received '1'
---- Begin output of sudo -E docker >> /dev/null 2>&1 ----
STDOUT: 
STDERR: 
---- End output of sudo -E docker >> /dev/null 2>&1 ----
Ran sudo -E docker >> /dev/null 2>&1 returned 1
E, [2015-03-06T08:15:28.696500 #8367] ERROR -- Kitchen: ------Backtrace-------
E, [2015-03-06T08:15:28.696513 #8367] ERROR -- Kitchen: /home/nathan/.rvm/gems/ruby-2.1.5@chef-repo/gems/kitchen-docker-1.7.0/lib/kitchen/driver/docker.rb:64:in `rescue in verify_dependencies'
E, [2015-03-06T08:15:28.696527 #8367] ERROR -- Kitchen: /home/nathan/.rvm/gems/ruby-2.1.5@chef-repo/gems/kitchen-docker-1.7.0/lib/kitchen/driver/docker.rb:62:in `verify_dependencies'
E, [2015-03-06T08:15:28.696540 #8367] ERROR -- Kitchen: /home/nathan/.rvm/gems/ruby-2.1.5@chef-repo/gems/test-kitchen-1.2.1/lib/kitchen/driver.rb:45:in `for_plugin'

ruby-2.1.5@chef-repo [nathan@ns-desktop-mint bootstrap (master)]$ sudo -E docker >> /dev/null 2>&1
ruby-2.1.5@chef-repo [nathan@ns-desktop-mint bootstrap (master)]$ echo $?
0