Problem at alioth?

[Stephen J. Turnbull]

Mats Lidell writes:
 > Hi,
 > 
 > The buildbot clients have problems pulling updates from alioth. The
 > have all gone red or getting there.
 > 
 > I get "The RSA host key for hg.debian.org has changed..." when trying
 > to pull.
 > 
 > There was I scheduled maintenance!? Is it still going on? News?

Keys usually change on reboot or upgrade of sshd, IIRC.  Anyway, it
happens.  You need to tell ssh that the new key is OK.  Simply
removing the old one from .ssh/authorized_hosts does the trick for me,
but YMMV depending on your .ssh/config and system defaults for SSH.