#<ActiveModel::Errors:0x00007fffdd14a138 @base=#<User id: nil, email: "", created_at: nil, updated_at: nil, provider: nil, username: nil, uid: nil, admin: false>, @messages={:email=>["can't be blank"], :password=>["can't be blank"], :username=>["can't be blank"]}, @details={:email=>[{:error=>:blank}, {:error=>:blank, :with=>:true}], :password=>[{:error=>:blank}], :username=>[{:error=>:blank, :with=>:true}]}>