10.13 builder on our BuildBot is failing

[Ryan Schmidt]

On Jan 10, 2018, at 23:07, Zero King wrote:

> Our 10.13 builder on build.macports.org is failing with:
> 
> twisted.spread.pb.RemoteError: [Errno 23] Too many open files in system: '/opt/bblocal/var/buildworker/ports/ports-10_13_x86_64-watcher'

The High Sierra buildbot worker got itself into this state again, but it happened while it was offline for updates so it was easy to resolve by restarting. Disk first aid shows the disk is ok.