Drone cli output is different from jsonnet cli

Drone Support
3 
[I] ➜  testjsonnet drone jsonnet --stdout --stream
2020/11/25 00:30:17 RUNTIME ERROR: Field does not exist: parseJson
	.drone.jsonnet:13:22-35	function <splitter_env>
	.drone.jsonnet:136:16-34	object <anonymous>
	<std>:1245:30-34	thunk from <thunk from <function <anonymous>>>
	<std>:1239:24-25	thunk from <thunk <t> from <function <anonymous>>>
	<std>:1239:15-26	thunk <t> from <function <anonymous>>
	<std>:1240:8-9	function <anonymous>

	<std>:1245:20-35	thunk from <function <anonymous>>
	<std>:1231:10-11	function <isContent>

	<std>:1245:10-36	function <anonymous>
		builtin function <flatMap>

	.drone.jsonnet:(133:36)-(140:3)	function <service>
	.drone.jsonnet:355:5-88	thunk from <object <anonymous>>
	During manifestation

[I] ➜  testjsonnet drone --version
drone version 1.2.4