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Track the adoption of Swift 6 strict concurrency checks for data race safety. How many packages are Ready for Swift 6?

Build Information

Failed to build java_lang with Swift 6.0 for iOS using Xcode 16.0.

Build Command

Build command unavailable

Build Log

========================================
RunAll
========================================
Builder version: 4.56.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/swiftjava/java_lang.git
Reference: 2.5.0
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/swiftjava/java_lang
 * tag               2.5.0      -> FETCH_HEAD
HEAD is now at 6db935c Swift 5 SPM
Cloned https://github.com/swiftjava/java_lang.git
Revision (git rev-parse @):
6db935cf4059165652ed7e8830958db76edd0ec2
SUCCESS checkout https://github.com/swiftjava/java_lang.git at 2.5.0
========================================
Build
========================================
Selected platform:         iOS
Swift version:             6.0
Building package at path:  $PWD
https://github.com/swiftjava/java_lang.git
Command line invocation:
    /Applications/Xcode-16.1.0.app/Contents/Developer/usr/bin/xcodebuild -IDEClonedSourcePackagesDirPathOverride=/Users/admin/builder/spi-builder-workspace/.dependencies -resolvePackageDependencies
User defaults from command line:
    IDEClonedSourcePackagesDirPathOverride = /Users/admin/builder/spi-builder-workspace/.dependencies
    IDEPackageSupportUseBuiltinSCM = YES
resolved source packages:
{
  "dependencies" : [
    {
      "identity" : "java_swift",
      "requirement" : {
        "branch" : [
          "master"
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/SwiftJava/java_swift.git"
    }
  ],
  "manifest_display_name" : "java_lang",
  "name" : "java_lang",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
  ],
  "products" : [
    {
      "name" : "java_lang",
      "targets" : [
        "java_lang"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "java_lang",
      "module_type" : "SwiftTarget",
      "name" : "java_lang",
      "path" : "Sources",
      "product_dependencies" : [
        "java_swift"
      ],
      "product_memberships" : [
        "java_lang"
      ],
      "sources" : [
        "AbstractMethodError.swift",
        "AccessibleObject.swift",
        "AnnotatedArrayType.swift",
        "AnnotatedElement.swift",
        "AnnotatedParameterizedType.swift",
        "AnnotatedType.swift",
        "AnnotatedTypeVariable.swift",
        "AnnotatedWildcardType.swift",
        "Annotation.swift",
        "AnnotationFormatError.swift",
        "AnnotationTypeMismatchException.swift",
        "Appendable.swift",
        "ArithmeticException.swift",
        "Array.swift",
        "ArrayIndexOutOfBoundsException.swift",
        "ArrayStoreException.swift",
        "AssertionError.swift",
        "AutoCloseable.swift",
        "Boolean.swift",
        "BootstrapMethodError.swift",
        "BufferPoolMXBean.swift",
        "Byte.swift",
        "CallSite.swift",
        "CharSequence.swift",
        "Character.swift",
        "Character_Subset.swift",
        "Character_UnicodeBlock.swift",
        "Character_UnicodeScript.swift",
        "ClassCastException.swift",
        "ClassCircularityError.swift",
        "ClassDefinition.swift",
        "ClassFileTransformer.swift",
        "ClassFormatError.swift",
        "ClassLoader.swift",
        "ClassLoadingMXBean.swift",
        "ClassNotFoundException.swift",
        "ClassValue.swift",
        "CloneNotSupportedException.swift",
        "Cloneable.swift",
        "CompilationMXBean.swift",
        "Compiler.swift",
        "ConstantCallSite.swift",
        "Constructor.swift",
        "Deprecated.swift",
        "Documented.swift",
        "ElementType.swift",
        "EnumConstantNotPresentException.swift",
        "ExceptionInInitializerError.swift",
        "Executable.swift",
        "Field.swift",
        "FunctionalInterface.swift",
        "GarbageCollectorMXBean.swift",
        "GenericArrayType.swift",
        "GenericDeclaration.swift",
        "GenericSignatureFormatError.swift",
        "IllegalAccessError.swift",
        "IllegalAccessException.swift",
        "IllegalArgumentException.swift",
        "IllegalClassFormatException.swift",
        "IllegalMonitorStateException.swift",
        "IllegalStateException.swift",
        "IllegalThreadStateException.swift",
        "IncompatibleClassChangeError.swift",
        "IncompleteAnnotationException.swift",
        "IndexOutOfBoundsException.swift",
        "InheritableThreadLocal.swift",
        "Inherited.swift",
        "InstantiationError.swift",
        "InstantiationException.swift",
        "Instrumentation.swift",
        "Integer.swift",
        "InternalError.swift",
        "InterruptedException.swift",
        "InvocationHandler.swift",
        "InvocationTargetException.swift",
        "Iterable.swift",
        "JavaComparable.swift",
        "JavaDouble.swift",
        "JavaError.swift",
        "JavaFloat.swift",
        "JavaSecurityException.swift",
        "JavaString.swift",
        "LambdaConversionException.swift",
        "LambdaMetafactory.swift",
        "LinkageError.swift",
        "LockInfo.swift",
        "Long.swift",
        "MalformedParameterizedTypeException.swift",
        "MalformedParametersException.swift",
        "ManagementFactory.swift",
        "ManagementPermission.swift",
        "Math.swift",
        "Member.swift",
        "MemoryMXBean.swift",
        "MemoryManagerMXBean.swift",
        "MemoryNotificationInfo.swift",
        "MemoryPoolMXBean.swift",
        "MemoryType.swift",
        "MemoryUsage.swift",
        "Method.swift",
        "MethodHandle.swift",
        "MethodHandleInfo.swift",
        "MethodHandleProxies.swift",
        "MethodHandles.swift",
        "MethodHandles_Lookup.swift",
        "MethodType.swift",
        "Modifier.swift",
        "MonitorInfo.swift",
        "MutableCallSite.swift",
        "Native.swift",
        "NegativeArraySizeException.swift",
        "NoClassDefFoundError.swift",
        "NoSuchFieldError.swift",
        "NoSuchFieldException.swift",
        "NoSuchMethodError.swift",
        "NoSuchMethodException.swift",
        "NullPointerException.swift",
        "Number.swift",
        "NumberFormatException.swift",
        "OperatingSystemMXBean.swift",
        "OutOfMemoryError.swift",
        "Override.swift",
        "Package.swift",
        "Parameter.swift",
        "ParameterizedType.swift",
        "PhantomReference.swift",
        "PlatformLoggingMXBean.swift",
        "PlatformManagedObject.swift",
        "Process.swift",
        "ProcessBuilder.swift",
        "ProcessBuilder_Redirect.swift",
        "ProcessBuilder_Redirect_Type.swift",
        "Proxy.swift",
        "Readable.swift",
        "Reference.swift",
        "ReferenceQueue.swift",
        "ReflectPermission.swift",
        "ReflectiveOperationException.swift",
        "Repeatable.swift",
        "Retention.swift",
        "RetentionPolicy.swift",
        "Runtime.swift",
        "RuntimeException.swift",
        "RuntimeMXBean.swift",
        "RuntimePermission.swift",
        "SafeVarargs.swift",
        "SecurityManager.swift",
        "SerializedLambda.swift",
        "Short.swift",
        "SoftReference.swift",
        "StackOverflowError.swift",
        "StackTraceElement.swift",
        "StrictMath.swift",
        "StringBuffer.swift",
        "StringBuilder.swift",
        "StringIndexOutOfBoundsException.swift",
        "SuppressWarnings.swift",
        "SwitchPoint.swift",
        "System.swift",
        "Target.swift",
        "ThreadDeath.swift",
        "ThreadGroup.swift",
        "ThreadInfo.swift",
        "ThreadLocal.swift",
        "ThreadMXBean.swift",
        "Thread_State.swift",
        "Thread_UncaughtExceptionHandler.swift",
        "Type.swift",
        "TypeNotPresentException.swift",
        "TypeVariable.swift",
        "UndeclaredThrowableException.swift",
        "UnknownError.swift",
        "UnmodifiableClassException.swift",
        "UnsatisfiedLinkError.swift",
        "UnsupportedClassVersionError.swift",
        "UnsupportedOperationException.swift",
        "VerifyError.swift",
        "VirtualMachineError.swift",
        "Void.swift",
        "VolatileCallSite.swift",
        "WeakReference.swift",
        "WildcardType.swift",
        "WrongMethodTypeException.swift",
        "java_lang.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.0"
}
{
  "project" : {
    "configurations" : [
      "Debug",
      "Release"
    ],
    "name" : "java_lang",
    "schemes" : [
      "java_lang"
    ],
    "targets" : [
      "java_lang"
    ]
  }
}
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-16.1.0.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme java_lang -destination generic/platform=iOS OTHER_SWIFT_FLAGS=-stats-output-dir .stats -strict-concurrency=complete
Command line invocation:
    /Applications/Xcode-16.1.0.app/Contents/Developer/usr/bin/xcodebuild -IDEClonedSourcePackagesDirPathOverride=/Users/admin/builder/spi-builder-workspace/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath /Users/admin/builder/spi-builder-workspace/.derivedData build -scheme java_lang -destination generic/platform=iOS "OTHER_SWIFT_FLAGS=-stats-output-dir .stats -strict-concurrency=complete"
User defaults from command line:
    IDEClonedSourcePackagesDirPathOverride = /Users/admin/builder/spi-builder-workspace/.dependencies
    IDEDerivedDataPathOverride = /Users/admin/builder/spi-builder-workspace/.derivedData
    IDEPackageSupportUseBuiltinSCM = YES
Build settings from command line:
    OTHER_SWIFT_FLAGS = -stats-output-dir .stats -strict-concurrency=complete
2024-10-31 06:58:26.940 xcodebuild[687:3815] Writing error result bundle to /var/folders/fs/0w3t9t1d28xc3bj0tgb8hcrw0000gn/T/ResultBundle_2024-31-10_06-58-0026.xcresult
xcodebuild: error: Unable to find a destination matching the provided destination specifier:
		{ generic:1, platform:iOS }
	Available destinations for the "java_lang" scheme:
		{ platform:macOS, arch:arm64, id:0000FE00-8C151E3703BE51BE, name:My Mac }
		{ platform:macOS, arch:x86_64, id:0000FE00-8C151E3703BE51BE, name:My Mac }
		{ platform:macOS, name:Any Mac }
INFRASTRUCTURE ERROR (status: destinationUnavailable