Treeherder query is broken

[klahnakoski]

Figure out the pathology in the code that deals with this query. It is likely related to the other issues that filter nested columns

from: treeherder
select:
- repo.index
- job.type.name
- repo.push.date
- failure.notes.failure_classification
- failure.notes.created
- action.start_time
- action.end_time
orderby: repo.index, job.type.name, action.start_time
where:
and:
- eq: {run.state: "completed"}
- in: {repo.branch.name: ["autoland", "mozilla-inbound", "mozilla-central", "mozilla-beta"]}
- in: {run.result: ["busted", "testfailed"]}
- neq: {failure.notes.failure_classification: "autoclassified intermittent"}
- neq: {failure.classify: "not classified"}
- gte: [action.end_time, {date: {$eval: from_date}}]
- lte: [action.end_time, {date: {$eval: to_date}}]
limit: 1000000