randika@home:~/workspace/myapp$ bundle exec rake assets:precompile --trace
** Invoke assets:precompile (first_time)
** Execute assets:precompile
/home/randika/.rvm/rubies/ruby-1.9.3-p125/bin/ruby /home/randika/.rvm/gems/ruby-1.9.3-p125@global/bin/rake as
sets:precompile:all RAILS_ENV=production RAILS_GROUPS=assets --trace
** Invoke assets:precompile:all (first_time)
** Execute assets:precompile:all
** Invoke assets:precompile:primary (first_time)
** Invoke assets:environment (first_time)
** Execute assets:environment
** Invoke environment (first_time)
** Execute environment
** Invoke tmp:cache:clear (first_time)
** Execute tmp:cache:clear
** Execute assets:precompile:primary
rake aborted!
undefined method `[]' for nil:NilClass
  (in /home/randika/workspace/myapp/app/assets/stylesheets/application.css)
/home/randika/.rvm/gems/ruby-1.9.3-p125/gems/sass-rails-3.2.5/lib/sass/rails/helpers.rb:32:in `resolver'
/home/randika/.rvm/gems/ruby-1.9.3-p125/gems/sass-rails-3.2.5/lib/sass/rails/helpers.rb:25:in `image_url'
/home/randika/.rvm/gems/ruby-1.9.3-p125/gems/sass-3.2.1/lib/sass/script/funcall.rb:106:in `_perform'
/home/randika/.rvm/gems/ruby-1.9.3-p125/gems/sass-3.2.1/lib/sass/script/node.rb:40:in `perform'
/home/randika/.rvm/gems/ruby-1.9.3-p125/gems/sass-3.2.1/lib/sass/script/list.rb:70:in `block in _perform'
/home/randika/.rvm/gems/ruby-1.9.3-p125/gems/sass-3.2.1/lib/sass/script/list.rb:70:in `map'
/home/randika/.rvm/gems/ruby-1.9.3-p125/gems/sass-3.2.1/lib/sass/script/list.rb:70:in `_perform'
/home/randika/.rvm/gems/ruby-1.9.3-p125/gems/sass-3.2.1/lib/sass/script/node.rb:40:in `perform'
/home/randika/.rvm/gems/ruby-1.9.3-p125/gems/sass-3.2.1/lib/sass/tree/visitors/perform.rb:294:in `visit_prop'
/home/randika/.rvm/gems/ruby-1.9.3-p125/gems/sass-3.2.1/lib/sass/tree/visitors/base.rb:37:in `visit'
/home/randika/.rvm/gems/ruby-1.9.3-p125/gems/sass-3.2.1/lib/sass/tree/visitors/perform.rb:98:in `visit'
/home/randika/.rvm/gems/ruby-1.9.3-p125/gems/sass-3.2.1/lib/sass/tree/visitors/base.rb:53:in `block in visit_
children'
/home/randika/.rvm/gems/ruby-1.9.3-p125/gems/sass-3.2.1/lib/sass/tree/visitors/base.rb:53:in `map'
/home/randika/.rvm/gems/ruby-1.9.3-p125/gems/sass-3.2.1/lib/sass/tree/visitors/base.rb:53:in `visit_children'
/home/randika/.rvm/gems/ruby-1.9.3-p125/gems/sass-3.2.1/lib/sass/tree/visitors/perform.rb:107:in `block in vi
sit_children'
/home/randika/.rvm/gems/ruby-1.9.3-p125/gems/sass-3.2.1/lib/sass/tree/visitors/perform.rb:119:in `with_enviro
nment'
/home/randika/.rvm/gems/ruby-1.9.3-p125/gems/sass-3.2.1/lib/sass/tree/visitors/perform.rb:106:in `visit_child
ren'
/home/randika/.rvm/gems/ruby-1.9.3-p125/gems/sass-3.2.1/lib/sass/tree/visitors/base.rb:37:in `block in visit'
/home/randika/.rvm/gems/ruby-1.9.3-p125/gems/sass-3.2.1/lib/sass/tree/visitors/perform.rb:316:in `visit_rule'
/home/randika/.rvm/gems/ruby-1.9.3-p125/gems/sass-3.2.1/lib/sass/tree/visitors/base.rb:37:in `visit'
/home/randika/.rvm/gems/ruby-1.9.3-p125/gems/sass-3.2.1/lib/sass/tree/visitors/perform.rb:98:in `visit'
/home/randika/.rvm/gems/ruby-1.9.3-p125/gems/sass-3.2.1/lib/sass/tree/visitors/base.rb:53:in `block in visit_
children'
/home/randika/.rvm/gems/ruby-1.9.3-p125/gems/sass-3.2.1/lib/sass/tree/visitors/base.rb:53:in `map'
/home/randika/.rvm/gems/ruby-1.9.3-p125/gems/sass-3.2.1/lib/sass/tree/visitors/base.rb:53:in `visit_children'
/home/randika/.rvm/gems/ruby-1.9.3-p125/gems/sass-3.2.1/lib/sass/tree/visitors/perform.rb:107:in `block in vi
sit_children'
/home/randika/.rvm/gems/ruby-1.9.3-p125/gems/sass-3.2.1/lib/sass/tree/visitors/perform.rb:119:in `with_enviro
nment'
/home/randika/.rvm/gems/ruby-1.9.3-p125/gems/sass-3.2.1/lib/sass/tree/visitors/perform.rb:106:in `visit_child
ren'
/home/randika/.rvm/gems/ruby-1.9.3-p125/gems/sass-3.2.1/lib/sass/tree/visitors/base.rb:37:in `block in visit'
/home/randika/.rvm/gems/ruby-1.9.3-p125/gems/sass-3.2.1/lib/sass/tree/visitors/perform.rb:126:in `visit_root'
/home/randika/.rvm/gems/ruby-1.9.3-p125/gems/sass-3.2.1/lib/sass/tree/visitors/base.rb:37:in `visit'
/home/randika/.rvm/gems/ruby-1.9.3-p125/gems/sass-3.2.1/lib/sass/tree/visitors/perform.rb:98:in `visit'
/home/randika/.rvm/gems/ruby-1.9.3-p125/gems/sass-3.2.1/lib/sass/tree/visitors/perform.rb:7:in `visit'
/home/randika/.rvm/gems/ruby-1.9.3-p125/gems/sass-3.2.1/lib/sass/tree/root_node.rb:20:in `render'
/home/randika/.rvm/gems/ruby-1.9.3-p125/gems/sass-3.2.1/lib/sass/engine.rb:315:in `_render'
/home/randika/.rvm/gems/ruby-1.9.3-p125/gems/sass-3.2.1/lib/sass/engine.rb:262:in `render'
/home/randika/.rvm/gems/ruby-1.9.3-p125/gems/sass-rails-3.2.5/lib/sass/rails/compressor.rb:8:in `compress'
/home/randika/.rvm/gems/ruby-1.9.3-p125/gems/actionpack-3.2.3/lib/sprockets/compressors.rb:74:in `compress'
/home/randika/.rvm/gems/ruby-1.9.3-p125/gems/sprockets-2.1.3/lib/sprockets/processing.rb:243:in `block in css
_compressor='
/home/randika/.rvm/gems/ruby-1.9.3-p125/gems/sprockets-2.1.3/lib/sprockets/processor.rb:29:in `call'
/home/randika/.rvm/gems/ruby-1.9.3-p125/gems/sprockets-2.1.3/lib/sprockets/processor.rb:29:in `evaluate'
/home/randika/.rvm/gems/ruby-1.9.3-p125/gems/tilt-1.3.3/lib/tilt/template.rb:76:in `render'
/home/randika/.rvm/gems/ruby-1.9.3-p125/gems/sprockets-2.1.3/lib/sprockets/context.rb:177:in `block in evalua
te'
/home/randika/.rvm/gems/ruby-1.9.3-p125/gems/sprockets-2.1.3/lib/sprockets/context.rb:174:in `each'
/home/randika/.rvm/gems/ruby-1.9.3-p125/gems/sprockets-2.1.3/lib/sprockets/context.rb:174:in `evaluate'
/home/randika/.rvm/gems/ruby-1.9.3-p125/gems/sprockets-2.1.3/lib/sprockets/bundled_asset.rb:26:in `initialize
'
/home/randika/.rvm/gems/ruby-1.9.3-p125/gems/sprockets-2.1.3/lib/sprockets/base.rb:244:in `new'
/home/randika/.rvm/gems/ruby-1.9.3-p125/gems/sprockets-2.1.3/lib/sprockets/base.rb:244:in `build_asset'
/home/randika/.rvm/gems/ruby-1.9.3-p125/gems/sprockets-2.1.3/lib/sprockets/index.rb:89:in `block in build_ass
et'
/home/randika/.rvm/gems/ruby-1.9.3-p125/gems/sprockets-2.1.3/lib/sprockets/caching.rb:19:in `cache_asset'
/home/randika/.rvm/gems/ruby-1.9.3-p125/gems/sprockets-2.1.3/lib/sprockets/index.rb:88:in `build_asset'
/home/randika/.rvm/gems/ruby-1.9.3-p125/gems/sprockets-2.1.3/lib/sprockets/base.rb:163:in `find_asset'
/home/randika/.rvm/gems/ruby-1.9.3-p125/gems/sprockets-2.1.3/lib/sprockets/index.rb:56:in `find_asset'
/home/randika/.rvm/gems/ruby-1.9.3-p125/gems/actionpack-3.2.3/lib/sprockets/static_compiler.rb:20:in `block i
n compile'
/home/randika/.rvm/gems/ruby-1.9.3-p125/gems/sprockets-2.1.3/lib/sprockets/base.rb:212:in `block in each_logi
cal_path'
/home/randika/.rvm/gems/ruby-1.9.3-p125/gems/sprockets-2.1.3/lib/sprockets/base.rb:200:in `block (2 levels) i
n each_file'
/home/randika/.rvm/gems/ruby-1.9.3-p125/gems/sprockets-2.1.3/lib/sprockets/base.rb:190:in `each'
/home/randika/.rvm/gems/ruby-1.9.3-p125/gems/sprockets-2.1.3/lib/sprockets/base.rb:190:in `each_entry'
/home/randika/.rvm/gems/ruby-1.9.3-p125/gems/sprockets-2.1.3/lib/sprockets/base.rb:198:in `block in each_file
'
/home/randika/.rvm/gems/ruby-1.9.3-p125/gems/sprockets-2.1.3/lib/sprockets/base.rb:197:in `each'
/home/randika/.rvm/gems/ruby-1.9.3-p125/gems/sprockets-2.1.3/lib/sprockets/base.rb:197:in `each_file'
/home/randika/.rvm/gems/ruby-1.9.3-p125/gems/sprockets-2.1.3/lib/sprockets/base.rb:210:in `each_logical_path'
/home/randika/.rvm/gems/ruby-1.9.3-p125/gems/actionpack-3.2.3/lib/sprockets/static_compiler.rb:18:in `compile
'
/home/randika/.rvm/gems/ruby-1.9.3-p125/gems/actionpack-3.2.3/lib/sprockets/assets.rake:56:in `internal_preco
mpile'
/home/randika/.rvm/gems/ruby-1.9.3-p125/gems/actionpack-3.2.3/lib/sprockets/assets.rake:70:in `block (3 level
s) in <top (required)>'
/home/randika/.rvm/gems/ruby-1.9.3-p125@global/gems/rake-0.9.2.2/lib/rake/task.rb:205:in `call'
/home/randika/.rvm/gems/ruby-1.9.3-p125@global/gems/rake-0.9.2.2/lib/rake/task.rb:205:in `block in execute'
/home/randika/.rvm/gems/ruby-1.9.3-p125@global/gems/rake-0.9.2.2/lib/rake/task.rb:200:in `each'
/home/randika/.rvm/gems/ruby-1.9.3-p125@global/gems/rake-0.9.2.2/lib/rake/task.rb:200:in `execute'
/home/randika/.rvm/gems/ruby-1.9.3-p125@global/gems/rake-0.9.2.2/lib/rake/task.rb:158:in `block in invoke_wit
h_call_chain'
/home/randika/.rvm/rubies/ruby-1.9.3-p125/lib/ruby/1.9.1/monitor.rb:211:in `mon_synchronize'
/home/randika/.rvm/gems/ruby-1.9.3-p125@global/gems/rake-0.9.2.2/lib/rake/task.rb:151:in `invoke_with_call_ch
ain'
/home/randika/.rvm/gems/ruby-1.9.3-p125@global/gems/rake-0.9.2.2/lib/rake/task.rb:144:in `invoke'
/home/randika/.rvm/gems/ruby-1.9.3-p125/gems/actionpack-3.2.3/lib/sprockets/assets.rake:60:in `block (3 level
s) in <top (required)>'
/home/randika/.rvm/gems/ruby-1.9.3-p125@global/gems/rake-0.9.2.2/lib/rake/task.rb:205:in `call'
/home/randika/.rvm/gems/ruby-1.9.3-p125@global/gems/rake-0.9.2.2/lib/rake/task.rb:205:in `block in execute'
/home/randika/.rvm/gems/ruby-1.9.3-p125@global/gems/rake-0.9.2.2/lib/rake/task.rb:200:in `each'
/home/randika/.rvm/gems/ruby-1.9.3-p125@global/gems/rake-0.9.2.2/lib/rake/task.rb:200:in `execute'
/home/randika/.rvm/gems/ruby-1.9.3-p125@global/gems/rake-0.9.2.2/lib/rake/task.rb:158:in `block in invoke_wit
h_call_chain'
/home/randika/.rvm/rubies/ruby-1.9.3-p125/lib/ruby/1.9.1/monitor.rb:211:in `mon_synchronize'
/home/randika/.rvm/gems/ruby-1.9.3-p125@global/gems/rake-0.9.2.2/lib/rake/task.rb:151:in `invoke_with_call_ch
ain'
/home/randika/.rvm/gems/ruby-1.9.3-p125@global/gems/rake-0.9.2.2/lib/rake/task.rb:144:in `invoke'
/home/randika/.rvm/gems/ruby-1.9.3-p125@global/gems/rake-0.9.2.2/lib/rake/application.rb:116:in `invoke_task'
/home/randika/.rvm/gems/ruby-1.9.3-p125@global/gems/rake-0.9.2.2/lib/rake/application.rb:94:in `block (2 leve
ls) in top_level'
/home/randika/.rvm/gems/ruby-1.9.3-p125@global/gems/rake-0.9.2.2/lib/rake/application.rb:94:in `each'
/home/randika/.rvm/gems/ruby-1.9.3-p125@global/gems/rake-0.9.2.2/lib/rake/application.rb:94:in `block in top_
level'
/home/randika/.rvm/gems/ruby-1.9.3-p125@global/gems/rake-0.9.2.2/lib/rake/application.rb:133:in `standard_exc
eption_handling'
/home/randika/.rvm/gems/ruby-1.9.3-p125@global/gems/rake-0.9.2.2/lib/rake/application.rb:88:in `top_level'
/home/randika/.rvm/gems/ruby-1.9.3-p125@global/gems/rake-0.9.2.2/lib/rake/application.rb:66:in `block in run'
/home/randika/.rvm/gems/ruby-1.9.3-p125@global/gems/rake-0.9.2.2/lib/rake/application.rb:133:in `standard_exc
eption_handling'
/home/randika/.rvm/gems/ruby-1.9.3-p125@global/gems/rake-0.9.2.2/lib/rake/application.rb:63:in `run'
/home/randika/.rvm/gems/ruby-1.9.3-p125@global/gems/rake-0.9.2.2/bin/rake:33:in `<top (required)>'
/home/randika/.rvm/gems/ruby-1.9.3-p125@global/bin/rake:19:in `load'
/home/randika/.rvm/gems/ruby-1.9.3-p125@global/bin/rake:19:in `<main>'
Tasks: TOP => assets:precompile:primary
rake aborted!
Command failed with status (1): [/home/randika/.rvm/rubies/ruby-1.9.3-p125/...]
/home/randika/.rvm/gems/ruby-1.9.3-p125@global/gems/rake-0.9.2.2/lib/rake/file_utils.rb:53:in `block in creat
e_shell_runner'
/home/randika/.rvm/gems/ruby-1.9.3-p125@global/gems/rake-0.9.2.2/lib/rake/file_utils.rb:45:in `call'
/home/randika/.rvm/gems/ruby-1.9.3-p125@global/gems/rake-0.9.2.2/lib/rake/file_utils.rb:45:in `sh'
/home/randika/.rvm/gems/ruby-1.9.3-p125@global/gems/rake-0.9.2.2/lib/rake/file_utils_ext.rb:39:in `sh'
/home/randika/.rvm/gems/ruby-1.9.3-p125@global/gems/rake-0.9.2.2/lib/rake/file_utils.rb:80:in `ruby'
/home/randika/.rvm/gems/ruby-1.9.3-p125@global/gems/rake-0.9.2.2/lib/rake/file_utils_ext.rb:39:in `ruby'
/home/randika/.rvm/gems/ruby-1.9.3-p125/gems/actionpack-3.2.3/lib/sprockets/assets.rake:12:in `ruby_rake_task
'
/home/randika/.rvm/gems/ruby-1.9.3-p125/gems/actionpack-3.2.3/lib/sprockets/assets.rake:21:in `invoke_or_rebo
ot_rake_task'
/home/randika/.rvm/gems/ruby-1.9.3-p125/gems/actionpack-3.2.3/lib/sprockets/assets.rake:29:in `block (2 level
s) in <top (required)>'
/home/randika/.rvm/gems/ruby-1.9.3-p125@global/gems/rake-0.9.2.2/lib/rake/task.rb:205:in `call'
/home/randika/.rvm/gems/ruby-1.9.3-p125@global/gems/rake-0.9.2.2/lib/rake/task.rb:205:in `block in execute'
/home/randika/.rvm/gems/ruby-1.9.3-p125@global/gems/rake-0.9.2.2/lib/rake/task.rb:200:in `each'
/home/randika/.rvm/gems/ruby-1.9.3-p125@global/gems/rake-0.9.2.2/lib/rake/task.rb:200:in `execute'
/home/randika/.rvm/gems/ruby-1.9.3-p125@global/gems/rake-0.9.2.2/lib/rake/task.rb:158:in `block in invoke_wit
h_call_chain'
/home/randika/.rvm/rubies/ruby-1.9.3-p125/lib/ruby/1.9.1/monitor.rb:211:in `mon_synchronize'
/home/randika/.rvm/gems/ruby-1.9.3-p125@global/gems/rake-0.9.2.2/lib/rake/task.rb:151:in `invoke_with_call_ch
ain'
/home/randika/.rvm/gems/ruby-1.9.3-p125@global/gems/rake-0.9.2.2/lib/rake/task.rb:144:in `invoke'
/home/randika/.rvm/gems/ruby-1.9.3-p125@global/gems/rake-0.9.2.2/lib/rake/application.rb:116:in `invoke_task'
/home/randika/.rvm/gems/ruby-1.9.3-p125@global/gems/rake-0.9.2.2/lib/rake/application.rb:94:in `block (2 leve
ls) in top_level'
/home/randika/.rvm/gems/ruby-1.9.3-p125@global/gems/rake-0.9.2.2/lib/rake/application.rb:94:in `each'
/home/randika/.rvm/gems/ruby-1.9.3-p125@global/gems/rake-0.9.2.2/lib/rake/application.rb:94:in `block in top_
level'
/home/randika/.rvm/gems/ruby-1.9.3-p125@global/gems/rake-0.9.2.2/lib/rake/application.rb:133:in `standard_exc
eption_handling'
/home/randika/.rvm/gems/ruby-1.9.3-p125@global/gems/rake-0.9.2.2/lib/rake/application.rb:88:in `top_level'
/home/randika/.rvm/gems/ruby-1.9.3-p125@global/gems/rake-0.9.2.2/lib/rake/application.rb:66:in `block in run'
/home/randika/.rvm/gems/ruby-1.9.3-p125@global/gems/rake-0.9.2.2/lib/rake/application.rb:133:in `standard_exc
eption_handling'
/home/randika/.rvm/gems/ruby-1.9.3-p125@global/gems/rake-0.9.2.2/lib/rake/application.rb:63:in `run'
/home/randika/.rvm/gems/ruby-1.9.3-p125@global/gems/rake-0.9.2.2/bin/rake:33:in `<top (required)>'
/home/randika/.rvm/gems/ruby-1.9.3-p125@global/bin/rake:19:in `load'
/home/randika/.rvm/gems/ruby-1.9.3-p125@global/bin/rake:19:in `<main>'
Tasks: TOP => assets:precompile