```ruby
# == Schema Information
# Schema version: 20090225185730
#
# Table name: users
#
#  id                 :integer(4)      not null, primary key
#  login              :string(255)     default(""), not null
#  crypted_password   :string(255)     default(""), not null
#  password_salt      :string(255)     default(""), not null
#  persistence_token  :string(255)     default(""), not null
#  login_count        :integer(4)      default(0), not null
#  failed_login_count :integer(4)      default(0), not null
#  last_request_at    :datetime
#  current_login_at   :datetime
#  last_login_at      :datetime
#  current_login_ip   :string(255)
#  last_login_ip      :string(255)
#  is_admin           :boolean(1)      not null
#

class User < ActiveRecord::Base
  acts_as_authentic
  
  attr_accessible :login
end
```

Make password and password_confirmation accessible to let registration work.
user
```ruby
# == Schema Information
# Schema version: 20090225185730
#
# Table name: users
#
#  id                 :integer(4)      not null, primary key
#  login              :string(255)     default(""), not null
#  crypted_password   :string(255)     default(""), not null
#  password_salt      :string(255)     default(""), not null
#  persistence_token  :string(255)     default(""), not null
#  login_count        :integer(4)      default(0), not null
#  failed_login_count :integer(4)      default(0), not null
#  last_request_at    :datetime
#  current_login_at   :datetime
#  last_login_at      :datetime
#  current_login_ip   :string(255)
#  last_login_ip      :string(255)
#  is_admin           :boolean(1)      not null
#

class User < ActiveRecord::Base
  acts_as_authentic
  
  attr_accessible :login, :password, :password_confirmation
end
```
assistant