Confusing message: amenity=recycling without ^recycling

[GerdP]

What steps will reproduce the problem?

1. have a node tagged with amenity=recycling + recycling_type=container
2. run validator

What is the expected result?

not sure

What happens instead?

amenity=recycling without ^recycling

Please provide any additional information below. Attach a screenshot if possible.

The rule is in combinations.mapcss, search for ^recycling.

Build-Date:2020-04-11 10:13:52
Revision:16252
Is-Local-Build:true

Identification: JOSM/1.5 (16252 SVN en) Windows 10 64-Bit
OS Build number: Windows 10 Home 1903 (18362)
Memory Usage: 703 MB / 1753 MB (298 MB allocated, but free)
Java version: 1.8.0_191-b12, Oracle Corporation, Java HotSpot(TM) 64-Bit Server VM
Screen: \Display0 1920x1080
Maximum Screen Size: 1920x1080
VM arguments: [-agentlib:jdwp=transport=dt_socket,suspend=y,address=localhost:51853, -ea, -Dfile.encoding=UTF-8]
Program arguments: [--debug]
Dataset consistency test: No problems found

Plugins:
+ OpeningHoursEditor (35414)
+ PolygonCutOut (v0.7)
+ apache-commons (35362)
+ buildings_tools (35405)
+ continuosDownload (91)
+ ejml (35313)
+ geotools (35169)
+ jaxb (35092)
+ jts (35122)
+ merge-overlap (35248)
+ o5m (35248)
+ opendata (35405)
+ pbf (35248)
+ poly (35248)
+ reverter (35409)
+ undelete (35405)
+ utilsplugin2 (35405)

Validator rules:
+ c:\josm\core\resources\data\validator\geometry.mapcss