No, it doesn't:

```
Mar 15 18:17:43  unicorn.stderr.log:  LocalJumpError - no block given (yield):
Mar 15 18:17:43  unicorn.stderr.log:  /data/web/shared/bundled_gems/ruby/1.9.1/bundler/gems/resque-280873e0cc09/lib/resque/failure/redis.rb:44:in `block in each'
Mar 15 18:17:43  unicorn.stderr.log:  /data/web/shared/bundled_gems/ruby/1.9.1/bundler/gems/resque-280873e0cc09/lib/resque/failure/redis.rb:42:in `each'
Mar 15 18:17:43  unicorn.stderr.log:  /data/web/shared/bundled_gems/ruby/1.9.1/bundler/gems/resque-280873e0cc09/lib/resque/failure/redis.rb:42:in `each_with_index'
Mar 15 18:17:43  unicorn.stderr.log:  /data/web/shared/bundled_gems/ruby/1.9.1/bundler/gems/resque-280873e0cc09/lib/resque/failure/redis.rb:42:in `each'
Mar 15 18:17:43  unicorn.stderr.log:  /data/web/shared/bundled_gems/ruby/1.9.1/bundler/gems/resque-280873e0cc09/lib/resque/failure/multiple.rb:37:in `each'
Mar 15 18:17:43  unicorn.stderr.log:  /data/web/shared/bundled_gems/ruby/1.9.1/bundler/gems/resque-280873e0cc09/lib/resque/failure.rb:80:in `each'
Mar 15 18:17:43  unicorn.stderr.log:  /data/web/shared/bundled_gems/ruby/1.9.1/bundler/gems/resque-280873e0cc09/lib/resque/server/views/failed.erb:22:in `block in singletonclass'
Mar 15 18:17:43  unicorn.stderr.log:  /data/web/shared/bundled_gems/ruby/1.9.1/bundler/gems/resque-280873e0cc09/lib/resque/server/views/failed.erb:65530:in `instance_eval'
Mar 15 18:17:43  unicorn.stderr.log:  /data/web/shared/bundled_gems/ruby/1.9.1/bundler/gems/resque-280873e0cc09/lib/resque/server/views/failed.erb:65530:in `singletonclass'
Mar 15 18:17:43  unicorn.stderr.log:  /data/web/shared/bundled_gems/ruby/1.9.1/bundler/gems/resque-280873e0cc09/lib/resque/server/views/failed.erb:65528:in `__tilt_12292300'
Mar 15 18:17:43  unicorn.stderr.log:  /data/web/shared/bundled_gems/ruby/1.9.1/gems/tilt-1.3.5/lib/tilt/template.rb:144:in `call'
Mar 15 18:17:43  unicorn.stderr.log:  /data/web/shared/bundled_gems/ruby/1.9.1/gems/tilt-1.3.5/lib/tilt/template.rb:144:in `evaluate'
Mar 15 18:17:43  unicorn.stderr.log:  /data/web/shared/bundled_gems/ruby/1.9.1/gems/tilt-1.3.5/lib/tilt/template.rb:77:in `render'
Mar 15 18:17:43  unicorn.stderr.log:  /data/web/shared/bundled_gems/ruby/1.9.1/gems/sinatra-1.3.6/lib/sinatra/base.rb:711:in `render'
Mar 15 18:17:43  unicorn.stderr.log:  /data/web/shared/bundled_gems/ruby/1.9.1/gems/sinatra-1.3.6/lib/sinatra/base.rb:597:in `erb'
Mar 15 18:17:43  unicorn.stderr.log:  /data/web/shared/bundled_gems/ruby/1.9.1/bundler/gems/resque-280873e0cc09/lib/resque/server.rb:136:in `show'
Mar 15 18:17:43  unicorn.stderr.log:  /data/web/shared/bundled_gems/ruby/1.9.1/bundler/gems/resque-280873e0cc09/lib/resque/server.rb:182:in `block in <class:Server>'
```