[flutter_engine_group_performance] [STDOUT] stdout: > Task :app:compileReleaseKotlin
[flutter_engine_group_performance] [STDOUT] stdout: w: Runtime JAR files in the classpath should have the same version. These files were found in the classpath:
[flutter_engine_group_performance] [STDOUT] stdout:     /opt/s/w/ir/cache/gradle/caches/transforms-2/files-2.1/cc823f2a1604c4a963de47567c747de1/jetified-kotlin-stdlib-jdk8-1.5.30.jar (version 1.5)
[flutter_engine_group_performance] [STDOUT] stdout:     /opt/s/w/ir/cache/gradle/caches/transforms-2/files-2.1/b2235682be0f721f86124878c73f0adc/jetified-kotlin-stdlib-jdk7-1.5.30.jar (version 1.5)
[flutter_engine_group_performance] [STDOUT] stdout:     /opt/s/w/ir/cache/gradle/caches/transforms-2/files-2.1/260c9aa8a8ea4c8dc3ea230504fd5569/jetified-kotlin-stdlib-1.6.21.jar (version 1.6)
[flutter_engine_group_performance] [STDOUT] stdout:     /opt/s/w/ir/cache/gradle/caches/transforms-2/files-2.1/7ded646b4c1f0a0abac2b4148f00ba49/jetified-kotlin-stdlib-common-1.6.21.jar (version 1.6)
[flutter_engine_group_performance] [STDOUT] stdout: w: Some runtime JAR files in the classpath have an incompatible version. Consider removing them from the classpath
[flutter_engine_group_performance] [STDOUT] stderr: e: Incompatible classes were found in dependencies. Remove them from the classpath or use '-Xskip-metadata-version-check' to suppress errors
[flutter_engine_group_performance] [STDOUT] stderr: e: /opt/s/w/ir/cache/gradle/caches/modules-2/files-2.1/androidx.annotation/annotation/1.4.0/77e7b6bbe9803d890343716dd824dfdbc0f6fe77/annotation-1.4.0.jar!/META-INF/annotation.kotlin_module: Module was compiled with an incompatible version of Kotlin. The binary version of its metadata is 1.6.0, expected version is 1.4.2.
[flutter_engine_group_performance] [STDOUT] stderr: e: /opt/s/w/ir/cache/gradle/caches/transforms-2/files-2.1/260c9aa8a8ea4c8dc3ea230504fd5569/jetified-kotlin-stdlib-1.6.21.jar!/META-INF/kotlin-stdlib.kotlin_module: Module was compiled with an incompatible version of Kotlin. The binary version of its metadata is 1.6.0, expected version is 1.4.2.
[flutter_engine_group_performance] [STDOUT] stderr: e: /opt/s/w/ir/cache/gradle/caches/transforms-2/files-2.1/7ded646b4c1f0a0abac2b4148f00ba49/jetified-kotlin-stdlib-common-1.6.21.jar!/META-INF/kotlin-stdlib-common.kotlin_module: Module was compiled with an incompatible version of Kotlin. The binary version of its metadata is 1.6.0, expected version is 1.4.2.
[flutter_engine_group_performance] [STDOUT] stderr: e: /opt/s/w/ir/x/w/recipe_cleanup/tmpqhta9wx8/flutter sdk/dev/benchmarks/multiple_flutters/android/app/src/main/java/dev/flutter/multipleflutters/App.kt: (19, 15): Class 'kotlin.Unit' was compiled with an incompatible version of Kotlin. The binary version of its metadata is 1.6.0, expected version is 1.4.2.
[flutter_engine_group_performance] [STDOUT] stderr: The class is loaded from /opt/s/w/ir/cache/gradle/caches/transforms-2/files-2.1/260c9aa8a8ea4c8dc3ea230504fd5569/jetified-kotlin-stdlib-1.6.21.jar!/kotlin/Unit.class
[flutter_engine_group_performance] [STDOUT] stderr: e: /opt/s/w/ir/x/w/recipe_cleanup/tmpqhta9wx8/flutter sdk/dev/benchmarks/multiple_flutters/android/app/src/main/java/dev/flutter/multipleflutters/App.kt: (20, 9): Class 'kotlin.Unit' was compiled with an incompatible version of Kotlin. The binary version of its metadata is 1.6.0, expected version is 1.4.2.
[flutter_engine_group_performance] [STDOUT] stderr: The class is loaded from /opt/s/w/ir/cache/gradle/caches/transforms-2/files-2.1/260c9aa8a8ea4c8dc3ea230504fd5569/jetified-kotlin-stdlib-1.6.21.jar!/kotlin/Unit.class
[flutter_engine_group_performance] [STDOUT] stderr: e: /opt/s/w/ir/x/w/recipe_cleanup/tmpqhta9wx8/flutter sdk/dev/benchmarks/multiple_flutters/android/app/src/main/java/dev/flutter/multipleflutters/MainActivity.kt: (26, 15): Class 'kotlin.Unit' was compiled with an incompatible version of Kotlin. The binary version of its metadata is 1.6.0, expected version is 1.4.2.
[flutter_engine_group_performance] [STDOUT] stderr: The class is loaded from /opt/s/w/ir/cache/gradle/caches/transforms-2/files-2.1/260c9aa8a8ea4c8dc3ea230504fd5569/jetified-kotlin-stdlib-1.6.21.jar!/kotlin/Unit.class
[flutter_engine_group_performance] [STDOUT] stderr: e: /opt/s/w/ir/x/w/recipe_cleanup/tmpqhta9wx8/flutter sdk/dev/benchmarks/multiple_flutters/android/app/src/main/java/dev/flutter/multipleflutters/MainActivity.kt: (28, 14): Class 'kotlin.Unit' was compiled with an incompatible version of Kotlin. The binary version of its metadata is 1.6.0, expected version is 1.4.2.
[flutter_engine_group_performance] [STDOUT] stderr: The class is loaded from /opt/s/w/ir/cache/gradle/caches/transforms-2/files-2.1/260c9aa8a8ea4c8dc3ea230504fd5569/jetified-kotlin-stdlib-1.6.21.jar!/kotlin/Unit.class
[flutter_engine_group_performance] [STDOUT] stderr: e: /opt/s/w/ir/x/w/recipe_cleanup/tmpqhta9wx8/flutter sdk/dev/benchmarks/multiple_flutters/android/app/src/main/java/dev/flutter/multipleflutters/MainActivity.kt: (32, 14): Class 'kotlin.Unit' was compiled with an incompatible version of Kotlin. The binary version of its metadata is 1.6.0, expected version is 1.4.2.
[flutter_engine_group_performance] [STDOUT] stderr: The class is loaded from /opt/s/w/ir/cache/gradle/caches/transforms-2/files-2.1/260c9aa8a8ea4c8dc3ea230504fd5569/jetified-kotlin-stdlib-1.6.21.jar!/kotlin/Unit.class
[flutter_engine_group_performance] [STDOUT] stderr: e: /opt/s/w/ir/x/w/recipe_cleanup/tmpqhta9wx8/flutter sdk/dev/benchmarks/multiple_flutters/android/app/src/main/java/dev/flutter/multipleflutters/MainActivity.kt: (33, 14): Class 'kotlin.Unit' was compiled with an incompatible version of Kotlin. The binary version of its metadata is 1.6.0, expected version is 1.4.2.
[flutter_engine_group_performance] [STDOUT] stderr: The class is loaded from /opt/s/w/ir/cache/gradle/caches/transforms-2/files-2.1/260c9aa8a8ea4c8dc3ea230504fd5569/jetified-kotlin-stdlib-1.6.21.jar!/kotlin/Unit.class
[flutter_engine_group_performance] [STDOUT] stderr: e: /opt/s/w/ir/x/w/recipe_cleanup/tmpqhta9wx8/flutter sdk/dev/benchmarks/multiple_flutters/android/app/src/main/java/dev/flutter/multipleflutters/MainActivity.kt: (37, 9): Class 'kotlin.Unit' was compiled with an incompatible version of Kotlin. The binary version of its metadata is 1.6.0, expected version is 1.4.2.
[flutter_engine_group_performance] [STDOUT] stderr: The class is loaded from /opt/s/w/ir/cache/gradle/caches/transforms-2/files-2.1/260c9aa8a8ea4c8dc3ea230504fd5569/jetified-kotlin-stdlib-1.6.21.jar!/kotlin/Unit.class
[flutter_engine_group_performance] [STDOUT] stderr: e: /opt/s/w/ir/x/w/recipe_cleanup/tmpqhta9wx8/flutter sdk/dev/benchmarks/multiple_flutters/android/app/src/main/java/dev/flutter/multipleflutters/MainActivity.kt: (44, 23): Unresolved reference: generateSequence
[flutter_engine_group_performance] [STDOUT] stderr: e: /opt/s/w/ir/x/w/recipe_cleanup/tmpqhta9wx8/flutter sdk/dev/benchmarks/multiple_flutters/android/app/src/main/java/dev/flutter/multipleflutters/MainActivity.kt: (44, 46): Unresolved reference: it
[flutter_engine_group_performance] [STDOUT] stderr: e: /opt/s/w/ir/x/w/recipe_cleanup/tmpqhta9wx8/flutter sdk/dev/benchmarks/multiple_flutters/android/app/src/main/java/dev/flutter/multipleflutters/MainActivity.kt: (48, 21): Unresolved reference: until
[flutter_engine_group_performance] [STDOUT] stderr: e: /opt/s/w/ir/x/w/recipe_cleanup/tmpqhta9wx8/flutter sdk/dev/benchmarks/multiple_flutters/android/app/src/main/java/dev/flutter/multipleflutters/MainActivity.kt: (50, 18): Class 'kotlin.Unit' was compiled with an incompatible version of Kotlin. The binary version of its metadata is 1.6.0, expected version is 1.4.2.
[flutter_engine_group_performance] [STDOUT] stderr: The class is loaded from /opt/s/w/ir/cache/gradle/caches/transforms-2/files-2.1/260c9aa8a8ea4c8dc3ea230504fd5569/jetified-kotlin-stdlib-1.6.21.jar!/kotlin/Unit.class
[flutter_engine_group_performance] [STDOUT] stderr: e: /opt/s/w/ir/x/w/recipe_cleanup/tmpqhta9wx8/flutter sdk/dev/benchmarks/multiple_flutters/android/app/src/main/java/dev/flutter/multipleflutters/MainActivity.kt: (51, 30): Class 'kotlin.Unit' was compiled with an incompatible version of Kotlin. The binary version of its metadata is 1.6.0, expected version is 1.4.2.
[flutter_engine_group_performance] [STDOUT] stderr: The class is loaded from /opt/s/w/ir/cache/gradle/caches/transforms-2/files-2.1/260c9aa8a8ea4c8dc3ea230504fd5569/jetified-kotlin-stdlib-1.6.21.jar!/kotlin/Unit.class
[flutter_engine_group_performance] [STDOUT] stderr: e: /opt/s/w/ir/x/w/recipe_cleanup/tmpqhta9wx8/flutter sdk/dev/benchmarks/multiple_flutters/android/app/src/main/java/dev/flutter/multipleflutters/MainActivity.kt: (51, 41): Overload resolution ambiguity: 
[flutter_engine_group_performance] [STDOUT] stderr: public final operator fun plus(other: Byte): Int defined in kotlin.Int
[flutter_engine_group_performance] [STDOUT] stderr: public final operator fun plus(other: Double): Double defined in kotlin.Int
[flutter_engine_group_performance] [STDOUT] stderr: public final operator fun plus(other: Float): Float defined in kotlin.Int
[flutter_engine_group_performance] [STDOUT] stderr: public final operator fun plus(other: Int): Int defined in kotlin.Int
[flutter_engine_group_performance] [STDOUT] stderr: public final operator fun plus(other: Long): Long defined in kotlin.Int
[flutter_engine_group_performance] [STDOUT] stderr: public final operator fun plus(other: Short): Int defined in kotlin.Int
[flutter_engine_group_performance] [STDOUT] stderr: e: /opt/s/w/ir/x/w/recipe_cleanup/tmpqhta9wx8/flutter sdk/dev/benchmarks/multiple_flutters/android/app/src/main/java/dev/flutter/multipleflutters/MainActivity.kt: (52, 30): Class 'kotlin.Unit' was compiled with an incompatible version of Kotlin. The binary version of its metadata is 1.6.0, expected version is 1.4.2.
[flutter_engine_group_performance] [STDOUT] stderr: The class is loaded from /opt/s/w/ir/cache/gradle/caches/transforms-2/files-2.1/260c9aa8a8ea4c8dc3ea230504fd5569/jetified-kotlin-stdlib-1.6.21.jar!/kotlin/Unit.class
[flutter_engine_group_performance] [STDOUT] stderr: e: /opt/s/w/ir/x/w/recipe_cleanup/tmpqhta9wx8/flutter sdk/dev/benchmarks/multiple_flutters/android/app/src/main/java/dev/flutter/multipleflutters/MainActivity.kt: (58, 46): Class 'kotlin.Unit' was compiled with an incompatible version of Kotlin. The binary version of its metadata is 1.6.0, expected version is 1.4.2.
[flutter_engine_group_performance] [STDOUT] stderr: The class is loaded from /opt/s/w/ir/cache/gradle/caches/transforms-2/files-2.1/260c9aa8a8ea4c8dc3ea230504fd5569/jetified-kotlin-stdlib-1.6.21.jar!/kotlin/Unit.class
[flutter_engine_group_performance] [STDOUT] stderr: e: /opt/s/w/ir/x/w/recipe_cleanup/tmpqhta9wx8/flutter sdk/dev/benchmarks/multiple_flutters/android/app/src/main/java/dev/flutter/multipleflutters/MainActivity.kt: (64, 27): Overload resolution ambiguity: 
[flutter_engine_group_performance] [STDOUT] stderr: public final operator fun plus(other: Byte): Int defined in kotlin.Int
[flutter_engine_group_performance] [STDOUT] stderr: public final operator fun plus(other: Double): Double defined in kotlin.Int
[flutter_engine_group_performance] [STDOUT] stderr: public final operator fun plus(other: Float): Float defined in kotlin.Int
[flutter_engine_group_performance] [STDOUT] stderr: public final operator fun plus(other: Int): Int defined in kotlin.Int
[flutter_engine_group_performance] [STDOUT] stderr: public final operator fun plus(other: Long): Long defined in kotlin.Int
[flutter_engine_group_performance] [STDOUT] stderr: public final operator fun plus(other: Short): Int defined in kotlin.Int
[flutter_engine_group_performance] [STDOUT] stderr: e: /opt/s/w/ir/x/w/recipe_cleanup/tmpqhta9wx8/flutter sdk/dev/benchmarks/multiple_flutters/android/app/src/main/java/dev/flutter/multipleflutters/MainActivity.kt: (72, 21): Unresolved reference: until
[flutter_engine_group_performance] [STDOUT] stderr: e: /opt/s/w/ir/x/w/recipe_cleanup/tmpqhta9wx8/flutter sdk/dev/benchmarks/multiple_flutters/android/app/src/main/java/dev/flutter/multipleflutters/MainActivity.kt: (73, 46): Class 'kotlin.Unit' was compiled with an incompatible version of Kotlin. The binary version of its metadata is 1.6.0, expected version is 1.4.2.
[flutter_engine_group_performance] [STDOUT] stderr: The class is loaded from /opt/s/w/ir/cache/gradle/caches/transforms-2/files-2.1/260c9aa8a8ea4c8dc3ea230504fd5569/jetified-kotlin-stdlib-1.6.21.jar!/kotlin/Unit.class
[flutter_engine_group_performance] [STDOUT] stderr: e: /opt/s/w/ir/x/w/recipe_cleanup/tmpqhta9wx8/flutter sdk/dev/benchmarks/multiple_flutters/android/app/src/main/java/dev/flutter/multipleflutters/MainActivity.kt: (76, 15): Class 'kotlin.Unit' was compiled with an incompatible version of Kotlin. The binary version of its metadata is 1.6.0, expected version is 1.4.2.
[flutter_engine_group_performance] [STDOUT] stderr: The class is loaded from /opt/s/w/ir/cache/gradle/caches/transforms-2/files-2.1/260c9aa8a8ea4c8dc3ea230504fd5569/jetified-kotlin-stdlib-1.6.21.jar!/kotlin/Unit.class
[flutter_engine_group_performance] [STDOUT] stdout: 
[flutter_engine_group_performance] [STDOUT] stdout: > Task :app:compileReleaseKotlin FAILED
[flutter_engine_group_performance] [STDOUT] stderr: 
[flutter_engine_group_performance] [STDOUT] stderr: FAILURE: Build failed with an exception.