==> Checking out https://github.com/w0ng/googlefontdirectory/trunk/fonts/robotoslab
Error: Download failed on Cask 'font-roboto-slab' with message: Command failed to execute!
==> Failed command:
["/usr/bin/svn", "checkout", "--force", "--config-option", "config:miscellany:use-commit-times=yes", "--trust-server-cert", "--non-interactive", "https://github.com/w0ng/googlefontdirectory/trunk/fonts/robotoslab", "#<Pathname:/Library/Caches/Homebrew/font-roboto-slab--svn>", "-r", "50"]
==> Output of failed command:
A /Library/Caches/Homebrew/font-roboto-slab--svn/COPYRIGHT.txt
A /Library/Caches/Homebrew/font-roboto-slab--svn/LICENSE.txt
A /Library/Caches/Homebrew/font-roboto-slab--svn/METADATA.json
A /Library/Caches/Homebrew/font-roboto-slab--svn/RobotoSlab-Bold.ttf
A /Library/Caches/Homebrew/font-roboto-slab--svn/RobotoSlab-Light.ttf
A /Library/Caches/Homebrew/font-roboto-slab--svn/RobotoSlab-Regular.ttf
A /Library/Caches/Homebrew/font-roboto-slab--svn/RobotoSlab-Thin.ttf
Checked out revision 50.
==> Exit status of failed command:
#<Process::Status: pid 3310 exit 1>