rake task doesn't work

Still getting an error though, this is from authz:

localhost:authz kgilpin$ rake slosilo:migrate -b
rake aborted!
No database associated with Sequel::Model: have you called Sequel.connect or Sequel::Model.db= ?
/Users/kgilpin/.rvm/gems/ruby-2.0.0-p195@authz/gems/sequel-3.48.0/lib/sequel/model/base.rb:246:in `db'
/Users/kgilpin/.rvm/gems/ruby-2.0.0-p195@authz/gems/sequel-3.48.0/lib/sequel/model/base.rb:245:in `db'
/Users/kgilpin/.rvm/gems/ruby-2.0.0-p195@authz/gems/sequel-3.48.0/lib/sequel/model/base.rb:550:in `set_dataset'
/Users/kgilpin/.rvm/gems/ruby-2.0.0-p195@authz/gems/sequel-3.48.0/lib/sequel/model.rb:46:in `Model'
/Users/kgilpin/source/inscitiv/slosilo/lib/slosilo/adapters/sequel_adapter.rb:11:in `create_model'
/Users/kgilpin/source/inscitiv/slosilo/lib/slosilo/adapters/sequel_adapter.rb:7:in `model'
/Users/kgilpin/source/inscitiv/slosilo/lib/slosilo/adapters/sequel_adapter.rb:71:in `fingerprint_in_db?'
/Users/kgilpin/source/inscitiv/slosilo/lib/slosilo/adapters/sequel_adapter.rb:47:in `migrate!'
/Users/kgilpin/source/inscitiv/slosilo/lib/tasks/slosilo.rake:25:in `block (2 levels) in <top (required)>'