devise bug! devise_for :installs bug

cannot run the command linedevise_for :installs bug! keep getting this:

/Users/lironbarkalifa/Desktop/recipe_box/vendor/bundle/gems/nokogiri-1.6.8/lib/nokogiri/nokogiri.bundle: [BUG] Segmentation fault at 0x00000000000418 ruby 2.1.0p0 (2013-12-25 revision 44422) [x86_64-darwin14.0]

-- Crash Report log information -------------------------------------------- See Crash Report log file under the one of following: * ~/Library/Logs/CrashReporter * /Library/Logs/CrashReporter * ~/Library/Logs/DiagnosticReports * /Library/Logs/DiagnosticReports for more details.

-- Control frame information ----------------------------------------------- c:0046 p:-17556424632272 s:0145 e:000144 TOP [FINISH] c:0045 p:---- s:0143 e:000142 CFUNC :require c:0044 p:0020 s:0139 e:000138 BLOCK /Users/lironbarkalifa/Desktop/recipe_box/vendor/bundle/gems/nokogiri-1.6.8/lib/nokogiri.rb:32 c:0043 p:0149 s:0136 e:000135 TOP /Users/lironbarkalifa/Desktop/recipe_box/vendor/bundle/gems/nokogiri-1.6.8/lib/nokogiri.rb:28 [FINISH] c:0042 p:---- s:0134 e:000133 CFUNC :require c:0041 p:0060 s:0130 e:000129 TOP /Users/lironbarkalifa/Desktop/recipe_box/vendor/bundle/gems/loofah-2.0.3/lib/loofah.rb:3 [FINISH] c:0040 p:---- s:0128 e:000127 CFUNC :require c:0039 p:0015 s:0124 e:000123 TOP /Users/lironbarkalifa/Desktop/recipe_box/vendor/bundle/gems/rails-html-sanitizer-1.0.3/lib/rails-html-sanitizer.rb:2 [FINISH] c:0038 p:---- s:0122 e:000121 CFUNC :require c:0037 p:0023 s:0118 e:000117 TOP /Users/lironbarkalifa/Desktop/recipe_box/vendor/bundle/gems/actionview-4.2.6/lib/action_view/helpers/sanitize_helper.rb:3 [FINISH] c:0036 p:0025 s:0116 e:000114 CLASS /Users/lironbarkalifa/Desktop/recipe_box/vendor/bundle/gems/actionview-4.2.6/lib/action_view/helpers/text_helper.rb:32 c:0035 p:0011 s:0113 e:000112 CLASS /Users/lironbarkalifa/Desktop/recipe_box/vendor/bundle/gems/actionview-4.2.6/lib/action_view/helpers/text_helper.rb:29 c:0034 p:0011 s:0111 e:000110 CLASS /Users/lironbarkalifa/Desktop/recipe_box/vendor/bundle/gems/actionview-4.2.6/lib/action_view/helpers/text_helper.rb:6 c:0033 p:0025 s:0109 e:000108 TOP /Users/lironbarkalifa/Desktop/recipe_box/vendor/bundle/gems/actionview-4.2.6/lib/action_view/helpers/text_helper.rb:4 [FINISH] c:0032 p:0038 s:0107 e:000105 CLASS /Users/lironbarkalifa/Desktop/recipe_box/vendor/bundle/gems/actionview-4.2.6/lib/action_view/helpers/form_tag_helper.rb:18 c:0031 p:0011 s:0104 e:000103 CLASS /Users/lironbarkalifa/Desktop/recipe_box/vendor/bundle/gems/actionview-4.2.6/lib/action_view/helpers/form_tag_helper.rb:14 c:0030 p:0011 s:0102 e:000101 CLASS /Users/lironbarkalifa/Desktop/recipe_box/vendor/bundle/gems/actionview-4.2.6/lib/action_view/helpers/form_tag_helper.rb:8 c:0029 p:0041 s:0100 e:000099 TOP /Users/lironbarkalifa/Desktop/recipe_box/vendor/bundle/gems/actionview-4.2.6/lib/action_view/helpers/form_tag_helper.rb:6 [FINISH] c:0028 p:---- s:0098 e:000097 CFUNC :require c:0027 p:0031 s:0094 e:000093 TOP /Users/lironbarkalifa/Desktop/recipe_box/vendor/bundle/gems/actionview-4.2.6/lib/action_view/helpers/form_helper.rb:4 [FINISH] c:0026 p:0391 s:0092 e:000090 CLASS /Users/lironbarkalifa/Desktop/recipe_box/vendor/bundle/gems/actionview-4.2.6/lib/action_view/helpers.rb:50 c:0025 p:0011 s:0089 e:000088 CLASS /Users/lironbarkalifa/Desktop/recipe_box/vendor/bundle/gems/actionview-4.2.6/lib/action_view/helpers.rb:4 c:0024 p:0017 s:0087 e:000086 TOP /Users/lironbarkalifa/Desktop/recipe_box/vendor/bundle/gems/actionview-4.2.6/lib/action_view/helpers.rb:3 [FINISH] c:0023 p:0012 s:0085 e:000083 CLASS /Users/lironbarkalifa/Desktop/recipe_box/vendor/bundle/gems/sprockets-rails-3.1.1/lib/sprockets/rails/context.rb:7 c:0022 p:0011 s:0082 e:000081 CLASS /Users/lironbarkalifa/Desktop/recipe_box/vendor/bundle/gems/sprockets-rails-3.1.1/lib/sprockets/rails/context.rb:6 c:0021 p:0011 s:0080 e:000079 CLASS /Users/lironbarkalifa/Desktop/recipe_box/vendor/bundle/gems/sprockets-rails-3.1.1/lib/sprockets/rails/context.rb:5

Any ideas what to do?