Your cancelled debt may be reportable income and thus taxable. In general, if you have cancellation of debt income because your debt is canceled, forgiven, or discharged for less than the amount you must pay, the amount of the canceled debt is taxable and you must report the canceled debt on your tax return for the year the cancellation occurs. Although, the IRS does allow for some exceptions, such as the following:
EXCEPTIONS to Cancellation of Debt Income:
Amounts that meet the requirements for any of the following exclusions aren't included in income, even though they're cancellation of debt income.
Here is a link to the IRS webpage where the above information was obtained.
Cancelled Debt: Is it Taxable?
Certain lenders that cancel a debt of $600 or more are required to file Form 1099-C with the IRS and issue a copy to the borrower. Although, given your tax situation, it appears they will not be sending you one.