The date format does not match the one used by Monologger. This makes it difficult to search or sort by date. Also makes it difficult to look at.
[Mar 15 13:56:07] info: master_builder System Daemon Started at 'March 15, 2012, 1:56 pm'
[2012-03-15 13:56:09] app.INFO: running... [] []
It should say [2012-03-15 13:46:07] info: instead of [Mar 15 13:56:07] info:. Also note that not having a year in the log will mean that they will overwrite each other annually.