deep nested query is not working

[klahnakoski]

{
	"from":"treeherder.job_log.failure_line",
	"where":{"and":[
		{"ne":{"run.result":"success"}},
		{"eq":{"action":"test_result"}},
		{"eq":{"status":"FAIL"}},
		{"gte":{"action.start_time":{"date":"today"}}}
	]}
}