I want to print some source code with minted, and the characters ^^I^^I^^I appears on the beginning of each line. It is independent on the chosen language syntax.
It looks like so:

What can I do to get rid of it?
Although I'm sure this is a duplicate, I'm going to answer this.
Your problem with ^^I when compiling with XeLaTeX can be solved by using the command-line option -8bit.
-8bitoption. – TeXnician Feb 10 '18 at 09:28