x/build: host-plan9-amd64-0intro is missing

[cagedmantis]

From https://farmer.golang.org/#pools:

host-plan9-amd64-0intro: 0/0 (1 missing)

@0intro Are you able to take a look?
@golang/release

[0intro]

It should be back now. Thanks for reporting.

[bcmills]

It looks like it was back for a while, but seems to be gone again now.

[bcmills]

Gone again. @0intro, is this builder still in service?

[0intro]

It should be back now.

[cagedmantis]

This is an old issue which was resolved a long time ago.