Can i use sonar-swift plugin in Unix? or other can use? and getting Metric 'files' error

[babusatti]

when i run sonar qube ...it's giving me the "Metric error" .
can anyone suggest why this error is coming ?

OS:Linux
Code:gosu files

ERROR:

ERROR: Error during SonarScanner execution
java.lang.UnsupportedOperationException: Metric 'files' should not be computed by a Sensor
at org.sonar.scanner.sensor.DefaultSensorStorage.saveMeasure(DefaultSensorStorage.java:173)
at org.sonar.scanner.sensor.DefaultSensorStorage.store(DefaultSensorStorage.java:137)
at org.sonar.api.batch.sensor.measure.internal.DefaultMeasure.doSave(DefaultMeasure.java:96)
at org.sonar.api.batch.sensor.internal.DefaultStorable.save(DefaultStorable.java:45)
at org.sonar.plugins.gosu.GosuSensor.saveMetric(GosuSensor.java:254)
at org.sonar.plugins.gosu.GosuSensor.processFile(GosuSensor.java:158)
at org.sonar.plugins.gosu.GosuSensor.computeGroovyMetrics(GosuSensor.java:122)
at org.sonar.plugins.gosu.GosuSensor.execute(GosuSensor.java:111)
at org.sonar.scanner.sensor.AbstractSensorWrapper.analyse(AbstractSensorWrapper.java:48)
at org.sonar.scanner.sensor.ModuleSensorsExecutor.execute(ModuleSensorsExecutor.java:85)
at org.sonar.scanner.sensor.ModuleSensorsExecutor.lambda$execute$1(ModuleSensorsExecutor.java:59)
at org.sonar.scanner.sensor.ModuleSensorsExecutor.withModuleStrategy(ModuleSensorsExecutor.java:77)
at org.sonar.scanner.sensor.ModuleSensorsExecutor.execute(ModuleSensorsExecutor.java:59)
at org.sonar.scanner.scan.ModuleScanContainer.doAfterStart(ModuleScanContainer.java:82)
at org.sonar.core.platform.ComponentContainer.startComponents(ComponentContainer.java:136)
at org.sonar.core.platform.ComponentContainer.execute(ComponentContainer.java:122)
at org.sonar.scanner.scan.ProjectScanContainer.scan(ProjectScanContainer.java:386)
at org.sonar.scanner.scan.ProjectScanContainer.scanRecursively(ProjectScanContainer.java:382)
at org.sonar.scanner.scan.ProjectScanContainer.doAfterStart(ProjectScanContainer.java:351)
at org.sonar.core.platform.ComponentContainer.startComponents(ComponentContainer.java:136)
at org.sonar.core.platform.ComponentContainer.execute(ComponentContainer.java:122)
at org.sonar.scanner.bootstrap.GlobalContainer.doAfterStart(GlobalContainer.java:141)
at org.sonar.core.platform.ComponentContainer.startComponents(ComponentContainer.java:136)
at org.sonar.core.platform.ComponentContainer.e