Hmm...  Looks like a unified diff to me...
The text leading up to this was:
--------------------------
|--- a/x.c	Tue Mar 20 00:28:57 2018
|+++ b/x.c	Tue Mar 20 00:29:02 2018
--------------------------
Patching file x.c using Plan A...
Hunk #1 succeeded at 80.
Hunk #2 succeeded at 950.
Hunk #3 succeeded at 1132.
Hunk #4 succeeded at 1157.
Hunk #5 succeeded at 1373.
done