Pending migration error for undefined method - Rails 4

I am fixing an error I made in naming a column type in my database table from an integer to datetime. However, I get a pending migration error after I run rake db:migrate after writing the following. When I added the new migration via rails g MigrateDeliveryTimeDates, no new file was generated under db/migrate so I created it manually. The error reads:

An error has occurred, this and all later migrations canceled:
undefined method `deliverytime_temp'

Here is my db/migrate file:

class ChangeColumnDeliveryTime < ActiveRecord::Migration
  def change
    rename_column(:deliveries, :deliverytime, :deliverytime_temp)
    add_column(:deliveries, :deliverytime, :datetime)  
  end
end

Here is the migration I added (rails g migration ChangeColumnDeliveryTime):

class ChangeColumnDeliveryTime < ActiveRecord::Migration
   def change
   change_column(:deliveries, :deliverytime, :datetime)
  end
end

Here is my db schema:

ActiveRecord::Schema.define(version: 20160216220012) do

  create_table "deliveries", force: :cascade do |t|
    t.string   "name"
    t.string   "deliveryaddress"
    t.integer  "deliverytime"
    t.string   "notes"
    t.integer  "order_id"
    t.datetime "created_at",      null: false
    t.datetime "updated_at",      null: false
  end

  add_index "deliveries", ["order_id"], name: "index_deliveries_on_order_id"

  create_table "orders", force: :cascade do |t|
   t.datetime "date"
   t.string   "name"
   t.string   "pickup"
   t.datetime "pickuptime"
   t.datetime "created_at", null: false
   t.datetime "updated_at", null: false
  end
end

How can I resolve this error?