Need to see the unsuccessful cracked hashes in output file

[tvo007]

Hi,i'm trying to crack some hashes and in the output file i can only see the sucesfull ones,i want to see the unsuccessfull ones too,line by line what worked and not.

hashcat -m 300 -a o -o /root/Desktop/output.txt /root/Desktop/123.txt /root/Desktop/abc.txt