Builders are blocked on master bug 868204

Builders are mirrored (https://ci.chromium.org/p/nacl/g/try/builders) but mostly are red or purple. 

Pending hinoka@ to review and hand off to dschuff@. Updates to follow. 

Builder is oddly failing in annotated steps due to the following error: 

ERROR - unset/invalid builder name

Assigned to hinoka@ to take a look to see if this is an mirror config issue. 

The error message has changed but it still seems to be in infra code: https://ci.chromium.org/p/nacl/builders/luci.nacl.try/nacl-presubmit/8

Builder flipped to LUCI. Assigned to Derek to fix issues and close. 

There's still an exception in the general recipe infrastructure code (not even in the nacl-specific recipe): https://ci.chromium.org/p/nacl/builders/luci.nacl.try/nacl-presubmit/1063 , specifically https://logs.chromium.org/logs/nacl/buildbucket/cr-buildbucket.appspot.com/8927207766875636512/+/steps/Uncaught_Exception/0/logs/exception/0

Do I need to add something to scripts/slave/recipes/nacl.py to inject that property into api.properties? 

Also (and I'm not sure there's a bug filed for this?) but what do we need to do to make 'git cl' launch LUCI try jobs? It's still only ever launching buildbot jobs, which are now all purple.

Just realized the the CQ actually does seem to be doing the right thing (e.g. for dry run type try jobs). It's just 'git cl try' that I was seeing.