vcswatch reports that
there is an error with this package's VCS, or the debian/changelog file inside
it. Please check the error shown below and try to fix it. You might have
to update the VCS URL in the debian/control file to point to the correct
repository.
fatal: unable to connect to git.carbon-project.org:
git.carbon-project.org[0: 78.46.90.79]: errno=Connection refused