自分のログは無くしたので@yuum3のログを引用させて頂きます。
# executing "find /home/rails_apps/todo31/releases/20110912141706/public/images /home/rails_apps/todo31/releases/20110912141706/public/stylesheets /home/rails_apps/todo31/releases/20110912141706/public/javascripts -exec touch -t 201109121417.06 {} ';'; true"
servers: *"176.32.95.168"*
*176.32.95.168* executing command
### *err :: 176.32.95.168* find:
### *err :: 176.32.95.168* `/home/rails_apps/todo31/releases/20110912141706/public/images'
### *err :: 176.32.95.168* : No such file or directory
### *err :: 176.32.95.168*
### *err :: 176.32.95.168* find:
### *err :: 176.32.95.168* `/home/rails_apps/todo31/releases/20110912141706/public/stylesheets'
### *err :: 176.32.95.168* : No such file or directory
### *err :: 176.32.95.168*
### *err :: 176.32.95.168* find:
### *err :: 176.32.95.168* `/home/rails_apps/todo31/releases/20110912141706/public/javascripts'
### *err :: 176.32.95.168* : No such file or directory
### *err :: 176.32.95.168*
Githubにも載ってましたエラーは無視しても大丈夫そうですが、下記の一行をdeploy.rbに追記すればエラー出なくなります。
# in config/deploy.rb
set :normalize_asset_timestamps, false