There are some stray ^M characters in the (git) guix output:
accepted connection from pid 2640, user dannym
looking for the latest release of GNU gcc...^M
^Mguix package: warning: ambiguous package specification `guile'
looking for the latest release of GNU guile...^M
^MThe following packages would be installed:----- Easiest to see using "less test-suite.log" after there was a test failure.
