If you put your cursor anywhere in the build window other than on the 'command line' (in some of the output from a build) and hit enter it will add a carriage return to the displayed output. It doesn't seem like it should do that.
I entered the following commands in the build window:
cd \
dir
Before:
10/27/2020 03:08 PM <DIR> Windows
08/14/2020 01:00 PM <DIR> Windows10Upgrade
02/28/2017 11:07 AM 5,778 XML List ID.txt
30 File(s) 7,504,163 bytes
28 Dir(s) 335,200,075,776 bytes free
C:\>
After placing my cursor in front of the second <DIR> and hitting enter:
10/27/2020 03:08 PM <DIR> Windows
08/14/2020 01:00 PM
<DIR> Windows10Upgrade
02/28/2017 11:07 AM 5,778 XML List ID.txt
30 File(s) 7,504,163 bytes
28 Dir(s) 335,200,075,776 bytes free
C:\>