Bug#855670: debian-installer-utils: When install, output of tty has been added ^M.

Package: debian-installer-utils
Version: 1.118
Severity: normal

Dear Maintainer,

After switch to tty 4, it includes the following output:

Feb 21 03:17:11 apt-setup: This disc is called:
Feb 21 03:17:11 apt-setup: 'Debian GNU/LInux stretch-DI-rc2 _Stretch_ - Official Snapshot amd64 NETINST BInary-1 201700201-11:47'
Feb 21 03:17:11 apt-setup: Copying package lists...
Feb 21 03:17:11 apt-setup: ^MReading Package Indexes ... 0%^M
Feb 21 03:17:11 apt-setup: ^MReading Package Indexes ... 1%^M
Feb 21 03:17:11 apt-setup: ^MReading Package Indexes ... Done^M
Feb 21 03:17:11 apt-setup:
Feb 21 03:17:11 apt-setup: ^MReading Translation Indexes ... 0%^M
Feb 21 03:17:11 apt-setup: ^MReading Translation Indexes ... Done^M
Feb 21 03:17:11 apt-setup:
Feb 21 03:17:11 apt-setup: Writing new source list
...

As you see, there have been many ^M characters.

-- System Information:
Release: Stretch RC 2
Architecture: x86_64