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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 SWindow, reference 0.2.0 (e56572), with Swift 6.1 for visionOS using Xcode 16.3 on 24 Apr 2025 14:36:38 UTC.

Build Command

env DEVELOPER_DIR=/Applications/Xcode-16.3.0.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme SWindow -destination generic/platform=xrOS

Build Log

========================================
RunAll
========================================
Builder version: 4.61.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/shial4/SWindow.git
Reference: 0.2.0
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/shial4/SWindow
 * tag               0.2.0      -> FETCH_HEAD
HEAD is now at e565726 [0.2.0] Update to swift 5
Cloned https://github.com/shial4/SWindow.git
Revision (git rev-parse @):
e565726c9fd27c24a218469a1f3a06abdc8c7acb
SUCCESS checkout https://github.com/shial4/SWindow.git at 0.2.0
========================================
Build
========================================
Selected platform:         visionOS
Swift version:             6.1
Building package at path:  $PWD
https://github.com/shial4/SWindow.git
https://github.com/shial4/SWindow.git
{
  "dependencies" : [
  ],
  "manifest_display_name" : "SWindow",
  "name" : "SWindow",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
  ],
  "products" : [
    {
      "name" : "SWindow",
      "targets" : [
        "SWindow"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "SWindow",
      "module_type" : "SwiftTarget",
      "name" : "SWindow",
      "path" : "Sources/SWindow",
      "product_memberships" : [
        "SWindow"
      ],
      "sources" : [
        "SWindow.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "4.2"
}
Command line invocation:
    /Applications/Xcode-16.3.0.app/Contents/Developer/usr/bin/xcodebuild -IDEClonedSourcePackagesDirPathOverride=/Users/admin/builder/spi-builder-workspace/.dependencies -resolvePackageDependencies
resolved source packages:
{
  "dependencies" : [
  ],
  "manifest_display_name" : "SWindow",
  "name" : "SWindow",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
  ],
  "products" : [
    {
      "name" : "SWindow",
      "targets" : [
        "SWindow"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "SWindow",
      "module_type" : "SwiftTarget",
      "name" : "SWindow",
      "path" : "Sources/SWindow",
      "product_memberships" : [
        "SWindow"
      ],
      "sources" : [
        "SWindow.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "4.2"
}
{
  "project" : {
    "configurations" : [
      "Debug",
      "Release"
    ],
    "name" : "SWindow",
    "schemes" : [
      "SWindow-Package",
      "SWindowPackageDescription"
    ],
    "targets" : [
      "SWindowPackageDescription",
      "SWindow"
    ]
  }
}
{
  "workspace" : {
    "name" : "spi-builder-workspace",
    "schemes" : [
      "SWindow"
    ]
  }
}
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-16.3.0.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme SWindow -destination generic/platform=xrOS OTHER_SWIFT_FLAGS=-stats-output-dir .stats -strict-concurrency=complete -enable-upcoming-feature StrictConcurrency -enable-upcoming-feature DisableOutwardActorInference -enable-upcoming-feature GlobalActorIsolatedTypesUsability -enable-upcoming-feature InferSendableFromCaptures
Command line invocation:
    /Applications/Xcode-16.3.0.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 SWindow -destination generic/platform=xrOS "OTHER_SWIFT_FLAGS=-stats-output-dir .stats -strict-concurrency=complete -enable-upcoming-feature StrictConcurrency -enable-upcoming-feature DisableOutwardActorInference -enable-upcoming-feature GlobalActorIsolatedTypesUsability -enable-upcoming-feature InferSendableFromCaptures"
Build settings from command line:
    OTHER_SWIFT_FLAGS = -stats-output-dir .stats -strict-concurrency=complete -enable-upcoming-feature StrictConcurrency -enable-upcoming-feature DisableOutwardActorInference -enable-upcoming-feature GlobalActorIsolatedTypesUsability -enable-upcoming-feature InferSendableFromCaptures
Resolve Package Graph
Resolved source packages:
  SWindow: /Users/admin/builder/spi-builder-workspace
ComputePackagePrebuildTargetDependencyGraph
Prepare packages
CreateBuildRequest
SendProjectDescription
CreateBuildOperation
ComputeTargetDependencyGraph
note: Building targets in dependency order
note: Target dependency graph (2 targets)
    Target 'SWindow' in project 'SWindow'
        ➜ Explicit dependency on target 'SWindow' in project 'SWindow'
    Target 'SWindow' in project 'SWindow' (no dependencies)
GatherProvisioningInputs
CreateBuildDescription
ExecuteExternalTool /Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -v -E -dM -isysroot /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/XROS.platform/Developer/SDKs/XROS2.4.sdk -x c -c /dev/null
ExecuteExternalTool /Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swiftc --version
ExecuteExternalTool /Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/ld -version_details
Build description signature: 18b059f5205479bd311ee88b69a07c17
Build description path: /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/XCBuildData/18b059f5205479bd311ee88b69a07c17.xcbuilddata
CreateBuildDirectory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-create-build-directory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex
CreateBuildDirectory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-create-build-directory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products
ClangStatCache /Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang-stat-cache /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/XROS.platform/Developer/SDKs/XROS2.4.sdk /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/xros2.4-22O233-407b76dbb837030756cbe1ab3f0b01b6.sdkstatcache
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    /Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang-stat-cache /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/XROS.platform/Developer/SDKs/XROS2.4.sdk -o /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/xros2.4-22O233-407b76dbb837030756cbe1ab3f0b01b6.sdkstatcache
CreateBuildDirectory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-xros
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-create-build-directory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-xros
CreateBuildDirectory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/EagerLinkingTBDs/Debug-xros
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-create-build-directory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/EagerLinkingTBDs/Debug-xros
CreateBuildDirectory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-xros/PackageFrameworks
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-create-build-directory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-xros/PackageFrameworks
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SWindow.build/Debug-xros/SWindow.build/SWindow.modulemap (in target 'SWindow' from project 'SWindow')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SWindow.build/Debug-xros/SWindow.build/SWindow.modulemap
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SWindow.build/Debug-xros/SWindow.build/SWindow.DependencyMetadataFileList (in target 'SWindow' from project 'SWindow')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SWindow.build/Debug-xros/SWindow.build/SWindow.DependencyMetadataFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SWindow.build/Debug-xros/SWindow.build/Objects-normal/arm64/SWindow_const_extract_protocols.json (in target 'SWindow' from project 'SWindow')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SWindow.build/Debug-xros/SWindow.build/Objects-normal/arm64/SWindow_const_extract_protocols.json
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SWindow.build/Debug-xros/SWindow.build/Objects-normal/arm64/SWindow.SwiftFileList (in target 'SWindow' from project 'SWindow')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SWindow.build/Debug-xros/SWindow.build/Objects-normal/arm64/SWindow.SwiftFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SWindow.build/Debug-xros/SWindow.build/SWindow.DependencyStaticMetadataFileList (in target 'SWindow' from project 'SWindow')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SWindow.build/Debug-xros/SWindow.build/SWindow.DependencyStaticMetadataFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SWindow.build/Debug-xros/SWindow.build/Objects-normal/arm64/SWindow.SwiftConstValuesFileList (in target 'SWindow' from project 'SWindow')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SWindow.build/Debug-xros/SWindow.build/Objects-normal/arm64/SWindow.SwiftConstValuesFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SWindow.build/Debug-xros/SWindow.build/Objects-normal/arm64/SWindow.LinkFileList (in target 'SWindow' from project 'SWindow')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SWindow.build/Debug-xros/SWindow.build/Objects-normal/arm64/SWindow.LinkFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SWindow.build/Debug-xros/SWindow.build/Objects-normal/arm64/SWindow-OutputFileMap.json (in target 'SWindow' from project 'SWindow')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SWindow.build/Debug-xros/SWindow.build/Objects-normal/arm64/SWindow-OutputFileMap.json
Copy /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/GeneratedModuleMaps-xros/SWindow.modulemap /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SWindow.build/Debug-xros/SWindow.build/SWindow.modulemap (in target 'SWindow' from project 'SWindow')
    cd /Users/admin/builder/spi-builder-workspace
    builtin-copy -exclude .DS_Store -exclude CVS -exclude .svn -exclude .git -exclude .hg -resolve-src-symlinks /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SWindow.build/Debug-xros/SWindow.build/SWindow.modulemap /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/GeneratedModuleMaps-xros
SwiftDriver SWindow normal arm64 com.apple.xcode.tools.swift.compiler (in target 'SWindow' from project 'SWindow')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-SwiftDriver -- /Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swiftc -module-name SWindow -Onone -enforce-exclusivity\=checked @/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SWindow.build/Debug-xros/SWindow.build/Objects-normal/arm64/SWindow.SwiftFileList -DSWIFT_PACKAGE -DDEBUG -stats-output-dir .stats -strict-concurrency\=complete -enable-upcoming-feature StrictConcurrency -enable-upcoming-feature DisableOutwardActorInference -enable-upcoming-feature GlobalActorIsolatedTypesUsability -enable-upcoming-feature InferSendableFromCaptures -plugin-path /Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/plugins/testing -enable-experimental-feature DebugDescriptionMacro -sdk /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/XROS.platform/Developer/SDKs/XROS2.4.sdk -target arm64-apple-xros1.0 -g -module-cache-path /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex -Xfrontend -serialize-debugging-options -enable-testing -index-store-path /Users/admin/builder/spi-builder-workspace/.derivedData/Index.noindex/DataStore -swift-version 4.2 -I /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-xros -I /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/XROS.platform/Developer/usr/lib -F /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-xros -F /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/XROS.platform/Developer/Library/Frameworks -F /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/XROS.platform/Developer/SDKs/XROS2.4.sdk/Developer/Library/Frameworks -parse-as-library -c -j10 -enable-batch-mode -incremental -Xcc -ivfsstatcache -Xcc /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/xros2.4-22O233-407b76dbb837030756cbe1ab3f0b01b6.sdkstatcache -output-file-map /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SWindow.build/Debug-xros/SWindow.build/Objects-normal/arm64/SWindow-OutputFileMap.json -use-frontend-parseable-output -save-temps -no-color-diagnostics -serialize-diagnostics -emit-dependencies -emit-module -emit-module-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SWindow.build/Debug-xros/SWindow.build/Objects-normal/arm64/SWindow.swiftmodule -validate-clang-modules-once -clang-build-session-file /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/Session.modulevalidation -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SWindow.build/Debug-xros/SWindow.build/swift-overrides.hmap -emit-const-values -Xfrontend -const-gather-protocols-file -Xfrontend /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SWindow.build/Debug-xros/SWindow.build/Objects-normal/arm64/SWindow_const_extract_protocols.json -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-xros/include -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SWindow.build/Debug-xros/SWindow.build/DerivedSources-normal/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SWindow.build/Debug-xros/SWindow.build/DerivedSources/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SWindow.build/Debug-xros/SWindow.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG\=1 -emit-objc-header -emit-objc-header-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SWindow.build/Debug-xros/SWindow.build/Objects-normal/arm64/SWindow-Swift.h -working-directory /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode -experimental-emit-module-separately -disable-cmo
SwiftEmitModule normal arm64 Emitting\ module\ for\ SWindow (in target 'SWindow' from project 'SWindow')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/SWindow/SWindow.swift (in target 'SWindow' from project 'SWindow')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

/Users/admin/builder/spi-builder-workspace/Sources/SWindow/SWindow.swift:17:23: warning: static property 'Low' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
    public static var Low: SModalPriority = 250
                      ^
/Users/admin/builder/spi-builder-workspace/Sources/SWindow/SWindow.swift:17:23: note: convert 'Low' to a 'let' constant to make 'Sendable' shared state immutable
    public static var Low: SModalPriority = 250
                  ~~~ ^
                  let
/Users/admin/builder/spi-builder-workspace/Sources/SWindow/SWindow.swift:17:23: note: add '@MainActor' to make static property 'Low' part of global actor 'MainActor'
    public static var Low: SModalPriority = 250
                      ^
    @MainActor
/Users/admin/builder/spi-builder-workspace/Sources/SWindow/SWindow.swift:17:23: note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
    public static var Low: SModalPriority = 250
                      ^
    nonisolated(unsafe)
/Users/admin/builder/spi-builder-workspace/Sources/SWindow/SWindow.swift:19:23: warning: static property 'Required' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
    public static var Required: SModalPriority = 500
                      ^
/Users/admin/builder/spi-builder-workspace/Sources/SWindow/SWindow.swift:19:23: note: convert 'Required' to a 'let' constant to make 'Sendable' shared state immutable
    public static var Required: SModalPriority = 500
                  ~~~ ^
                  let
/Users/admin/builder/spi-builder-workspace/Sources/SWindow/SWindow.swift:19:23: note: add '@MainActor' to make static property 'Required' part of global actor 'MainActor'
    public static var Required: SModalPriority = 500
                      ^
    @MainActor
/Users/admin/builder/spi-builder-workspace/Sources/SWindow/SWindow.swift:19:23: note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
    public static var Required: SModalPriority = 500
                      ^
    nonisolated(unsafe)
/Users/admin/builder/spi-builder-workspace/Sources/SWindow/SWindow.swift:21:23: warning: static property 'High' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
    public static var High: SModalPriority = 750
                      ^
/Users/admin/builder/spi-builder-workspace/Sources/SWindow/SWindow.swift:21:23: note: convert 'High' to a 'let' constant to make 'Sendable' shared state immutable
    public static var High: SModalPriority = 750
                  ~~~ ^
                  let
/Users/admin/builder/spi-builder-workspace/Sources/SWindow/SWindow.swift:21:23: note: add '@MainActor' to make static property 'High' part of global actor 'MainActor'
    public static var High: SModalPriority = 750
                      ^
    @MainActor
/Users/admin/builder/spi-builder-workspace/Sources/SWindow/SWindow.swift:21:23: note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
    public static var High: SModalPriority = 750
                      ^
    nonisolated(unsafe)
/Users/admin/builder/spi-builder-workspace/Sources/SWindow/SWindow.swift:42:38: error: 'UIScreen' is unavailable in visionOS
        let window = UIWindow(frame: UIScreen.main.bounds)
                                     ^~~~~~~~
/Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/XROS.platform/Developer/SDKs/XROS2.4.sdk/System/Library/Frameworks/UIKit.framework/Headers/UIScreen.h:54:12: note: 'UIScreen' has been explicitly marked unavailable here
@interface UIScreen : NSObject <UITraitEnvironment>
           ^
/Users/admin/builder/spi-builder-workspace/Sources/SWindow/SWindow.swift:41:16: warning: main actor-isolated default value in a nonisolated context; this is an error in the Swift 6 language mode
    static let modalWindow: UIWindow = {
               ^
/Users/admin/builder/spi-builder-workspace/Sources/SWindow/SWindow.swift:50:16: warning: static property 'stack' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
    static var stack: [SModalPresentation] = []
               ^
/Users/admin/builder/spi-builder-workspace/Sources/SWindow/SWindow.swift:50:16: note: convert 'stack' to a 'let' constant to make 'Sendable' shared state immutable
    static var stack: [SModalPresentation] = []
           ~~~ ^
           let
/Users/admin/builder/spi-builder-workspace/Sources/SWindow/SWindow.swift:50:16: note: add '@MainActor' to make static property 'stack' part of global actor 'MainActor'
    static var stack: [SModalPresentation] = []
               ^
    @MainActor
/Users/admin/builder/spi-builder-workspace/Sources/SWindow/SWindow.swift:50:16: note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
    static var stack: [SModalPresentation] = []
               ^
    nonisolated(unsafe)
Failed frontend command:
/Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swift-frontend -frontend -emit-module -experimental-skip-non-inlinable-function-bodies-without-types /Users/admin/builder/spi-builder-workspace/Sources/SWindow/SWindow.swift -target arm64-apple-xros1.0 -Xllvm -aarch64-use-tbi -enable-objc-interop -stack-check -sdk /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/XROS.platform/Developer/SDKs/XROS2.4.sdk -I /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-xros -I /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/XROS.platform/Developer/usr/lib -F /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-xros -F /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/XROS.platform/Developer/Library/Frameworks -F /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/XROS.platform/Developer/SDKs/XROS2.4.sdk/Developer/Library/Frameworks -no-color-diagnostics -enable-testing -g -debug-info-format\=dwarf -dwarf-version\=4 -module-cache-path /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex -swift-version 4.2 -enforce-exclusivity\=checked -stats-output-dir /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode/.stats -Onone -D SWIFT_PACKAGE -D DEBUG -serialize-debugging-options -const-gather-protocols-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SWindow.build/Debug-xros/SWindow.build/Objects-normal/arm64/SWindow_const_extract_protocols.json -enable-upcoming-feature StrictConcurrency -enable-upcoming-feature DisableOutwardActorInference -enable-upcoming-feature GlobalActorIsolatedTypesUsability -enable-upcoming-feature InferSendableFromCaptures -enable-experimental-feature DebugDescriptionMacro -strict-concurrency\=complete -empty-abi-descriptor -plugin-path /Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/plugins/testing -validate-clang-modules-once -clang-build-session-file /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/Session.modulevalidation -Xcc -working-directory -Xcc /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode -resource-dir /Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift -enable-anonymous-context-mangled-names -file-compilation-dir /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode -Xcc -ivfsstatcache -Xcc /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/xros2.4-22O233-407b76dbb837030756cbe1ab3f0b01b6.sdkstatcache -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SWindow.build/Debug-xros/SWindow.build/swift-overrides.hmap -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-xros/include -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SWindow.build/Debug-xros/SWindow.build/DerivedSources-normal/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SWindow.build/Debug-xros/SWindow.build/DerivedSources/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SWindow.build/Debug-xros/SWindow.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG\=1 -module-name SWindow -frontend-parseable-output -disable-clang-spi -target-sdk-version 2.4 -target-sdk-name xros2.4 -external-plugin-path /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/XROS.platform/Developer/usr/lib/swift/host/plugins\#/Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/XROS.platform/Developer/usr/bin/swift-plugin-server -external-plugin-path /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/XROS.platform/Developer/usr/local/lib/swift/host/plugins\#/Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/XROS.platform/Developer/usr/bin/swift-plugin-server -in-process-plugin-server-path /Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/libSwiftInProcPluginServer.dylib -plugin-path /Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/plugins -plugin-path /Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/local/lib/swift/host/plugins -emit-module-doc-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SWindow.build/Debug-xros/SWindow.build/Objects-normal/arm64/SWindow.swiftdoc -emit-module-source-info-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SWindow.build/Debug-xros/SWindow.build/Objects-normal/arm64/SWindow.swiftsourceinfo -emit-objc-header-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SWindow.build/Debug-xros/SWindow.build/Objects-normal/arm64/SWindow-Swift.h -serialize-diagnostics-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SWindow.build/Debug-xros/SWindow.build/Objects-normal/arm64/SWindow-master-emit-module.dia -emit-dependencies-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SWindow.build/Debug-xros/SWindow.build/Objects-normal/arm64/SWindow-master-emit-module.d -parse-as-library -o /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SWindow.build/Debug-xros/SWindow.build/Objects-normal/arm64/SWindow.swiftmodule -emit-abi-descriptor-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SWindow.build/Debug-xros/SWindow.build/Objects-normal/arm64/SWindow.abi.json
SwiftCompile normal arm64 Compiling\ SWindow.swift /Users/admin/builder/spi-builder-workspace/Sources/SWindow/SWindow.swift (in target 'SWindow' from project 'SWindow')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/SWindow/SWindow.swift (in target 'SWindow' from project 'SWindow')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

** BUILD FAILED **
The following build commands failed:
	SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/SWindow/SWindow.swift (in target 'SWindow' from project 'SWindow')
	SwiftEmitModule normal arm64 Emitting\ module\ for\ SWindow (in target 'SWindow' from project 'SWindow')
	Building workspace spi-builder-workspace with scheme SWindow
(3 failures)
Command line invocation:
    /Applications/Xcode-16.3.0.app/Contents/Developer/usr/bin/xcodebuild -IDEClonedSourcePackagesDirPathOverride=/Users/admin/builder/spi-builder-workspace/.dependencies -resolvePackageDependencies
Resolve Package Graph
Resolved source packages:
  SWindow: /Users/admin/builder/spi-builder-workspace
resolved source packages: SWindow
{
  "dependencies" : [
  ],
  "manifest_display_name" : "SWindow",
  "name" : "SWindow",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
  ],
  "products" : [
    {
      "name" : "SWindow",
      "targets" : [
        "SWindow"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "SWindow",
      "module_type" : "SwiftTarget",
      "name" : "SWindow",
      "path" : "Sources/SWindow",
      "product_memberships" : [
        "SWindow"
      ],
      "sources" : [
        "SWindow.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "4.2"
}
{
  "workspace" : {
    "name" : "spi-builder-workspace",
    "schemes" : [
      "SWindow"
    ]
  }
}
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-16.3.0.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme SWindow -destination generic/platform=xrOS
Command line invocation:
    /Applications/Xcode-16.3.0.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 SWindow -destination generic/platform=xrOS
Resolve Package Graph
Resolved source packages:
  SWindow: /Users/admin/builder/spi-builder-workspace
ComputePackagePrebuildTargetDependencyGraph
Prepare packages
CreateBuildRequest
SendProjectDescription
CreateBuildOperation
ComputeTargetDependencyGraph
note: Building targets in dependency order
note: Target dependency graph (2 targets)
    Target 'SWindow' in project 'SWindow'
        ➜ Explicit dependency on target 'SWindow' in project 'SWindow'
    Target 'SWindow' in project 'SWindow' (no dependencies)
GatherProvisioningInputs
CreateBuildDescription
ExecuteExternalTool /Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -v -E -dM -isysroot /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/XROS.platform/Developer/SDKs/XROS2.4.sdk -x c -c /dev/null
ExecuteExternalTool /Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swiftc --version
ExecuteExternalTool /Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/ld -version_details
Build description signature: 83b8d6ea0474bc6a0e03e90d0e9e6b1b
Build description path: /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/XCBuildData/83b8d6ea0474bc6a0e03e90d0e9e6b1b.xcbuilddata
ClangStatCache /Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang-stat-cache /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/XROS.platform/Developer/SDKs/XROS2.4.sdk /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/xros2.4-22O233-407b76dbb837030756cbe1ab3f0b01b6.sdkstatcache
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    /Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang-stat-cache /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/XROS.platform/Developer/SDKs/XROS2.4.sdk -o /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/xros2.4-22O233-407b76dbb837030756cbe1ab3f0b01b6.sdkstatcache
SwiftDriver SWindow normal arm64 com.apple.xcode.tools.swift.compiler (in target 'SWindow' from project 'SWindow')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-SwiftDriver -- /Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swiftc -module-name SWindow -Onone -enforce-exclusivity\=checked @/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SWindow.build/Debug-xros/SWindow.build/Objects-normal/arm64/SWindow.SwiftFileList -DSWIFT_PACKAGE -DDEBUG -DXcode -plugin-path /Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/plugins/testing -enable-experimental-feature DebugDescriptionMacro -sdk /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/XROS.platform/Developer/SDKs/XROS2.4.sdk -target arm64-apple-xros1.0 -g -module-cache-path /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex -Xfrontend -serialize-debugging-options -enable-testing -index-store-path /Users/admin/builder/spi-builder-workspace/.derivedData/Index.noindex/DataStore -swift-version 4.2 -I /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-xros -I /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/XROS.platform/Developer/usr/lib -F /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-xros -F /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/XROS.platform/Developer/Library/Frameworks -F /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/XROS.platform/Developer/SDKs/XROS2.4.sdk/Developer/Library/Frameworks -parse-as-library -c -j10 -enable-batch-mode -incremental -Xcc -ivfsstatcache -Xcc /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/xros2.4-22O233-407b76dbb837030756cbe1ab3f0b01b6.sdkstatcache -output-file-map /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SWindow.build/Debug-xros/SWindow.build/Objects-normal/arm64/SWindow-OutputFileMap.json -use-frontend-parseable-output -save-temps -no-color-diagnostics -serialize-diagnostics -emit-dependencies -emit-module -emit-module-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SWindow.build/Debug-xros/SWindow.build/Objects-normal/arm64/SWindow.swiftmodule -validate-clang-modules-once -clang-build-session-file /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/Session.modulevalidation -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SWindow.build/Debug-xros/SWindow.build/swift-overrides.hmap -emit-const-values -Xfrontend -const-gather-protocols-file -Xfrontend /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SWindow.build/Debug-xros/SWindow.build/Objects-normal/arm64/SWindow_const_extract_protocols.json -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-xros/include -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SWindow.build/Debug-xros/SWindow.build/DerivedSources-normal/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SWindow.build/Debug-xros/SWindow.build/DerivedSources/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SWindow.build/Debug-xros/SWindow.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG\=1 -emit-objc-header -emit-objc-header-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SWindow.build/Debug-xros/SWindow.build/Objects-normal/arm64/SWindow-Swift.h -working-directory /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode -experimental-emit-module-separately -disable-cmo
SwiftEmitModule normal arm64 Emitting\ module\ for\ SWindow (in target 'SWindow' from project 'SWindow')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/SWindow/SWindow.swift (in target 'SWindow' from project 'SWindow')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

/Users/admin/builder/spi-builder-workspace/Sources/SWindow/SWindow.swift:42:38: error: 'UIScreen' is unavailable in visionOS
        let window = UIWindow(frame: UIScreen.main.bounds)
                                     ^~~~~~~~
/Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/XROS.platform/Developer/SDKs/XROS2.4.sdk/System/Library/Frameworks/UIKit.framework/Headers/UIScreen.h:54:12: note: 'UIScreen' has been explicitly marked unavailable here
@interface UIScreen : NSObject <UITraitEnvironment>
           ^
Failed frontend command:
/Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swift-frontend -frontend -emit-module -experimental-skip-non-inlinable-function-bodies-without-types /Users/admin/builder/spi-builder-workspace/Sources/SWindow/SWindow.swift -target arm64-apple-xros1.0 -Xllvm -aarch64-use-tbi -enable-objc-interop -stack-check -sdk /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/XROS.platform/Developer/SDKs/XROS2.4.sdk -I /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-xros -I /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/XROS.platform/Developer/usr/lib -F /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-xros -F /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/XROS.platform/Developer/Library/Frameworks -F /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/XROS.platform/Developer/SDKs/XROS2.4.sdk/Developer/Library/Frameworks -no-color-diagnostics -enable-testing -g -debug-info-format\=dwarf -dwarf-version\=4 -module-cache-path /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex -swift-version 4.2 -enforce-exclusivity\=checked -Onone -D SWIFT_PACKAGE -D DEBUG -D Xcode -serialize-debugging-options -const-gather-protocols-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SWindow.build/Debug-xros/SWindow.build/Objects-normal/arm64/SWindow_const_extract_protocols.json -enable-experimental-feature DebugDescriptionMacro -empty-abi-descriptor -plugin-path /Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/plugins/testing -validate-clang-modules-once -clang-build-session-file /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/Session.modulevalidation -Xcc -working-directory -Xcc /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode -resource-dir /Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift -enable-anonymous-context-mangled-names -file-compilation-dir /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode -Xcc -ivfsstatcache -Xcc /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/xros2.4-22O233-407b76dbb837030756cbe1ab3f0b01b6.sdkstatcache -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SWindow.build/Debug-xros/SWindow.build/swift-overrides.hmap -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-xros/include -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SWindow.build/Debug-xros/SWindow.build/DerivedSources-normal/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SWindow.build/Debug-xros/SWindow.build/DerivedSources/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SWindow.build/Debug-xros/SWindow.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG\=1 -module-name SWindow -frontend-parseable-output -disable-clang-spi -target-sdk-version 2.4 -target-sdk-name xros2.4 -external-plugin-path /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/XROS.platform/Developer/usr/lib/swift/host/plugins\#/Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/XROS.platform/Developer/usr/bin/swift-plugin-server -external-plugin-path /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/XROS.platform/Developer/usr/local/lib/swift/host/plugins\#/Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/XROS.platform/Developer/usr/bin/swift-plugin-server -in-process-plugin-server-path /Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/libSwiftInProcPluginServer.dylib -plugin-path /Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/plugins -plugin-path /Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/local/lib/swift/host/plugins -emit-module-doc-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SWindow.build/Debug-xros/SWindow.build/Objects-normal/arm64/SWindow.swiftdoc -emit-module-source-info-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SWindow.build/Debug-xros/SWindow.build/Objects-normal/arm64/SWindow.swiftsourceinfo -emit-objc-header-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SWindow.build/Debug-xros/SWindow.build/Objects-normal/arm64/SWindow-Swift.h -serialize-diagnostics-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SWindow.build/Debug-xros/SWindow.build/Objects-normal/arm64/SWindow-master-emit-module.dia -emit-dependencies-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SWindow.build/Debug-xros/SWindow.build/Objects-normal/arm64/SWindow-master-emit-module.d -parse-as-library -o /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SWindow.build/Debug-xros/SWindow.build/Objects-normal/arm64/SWindow.swiftmodule -emit-abi-descriptor-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SWindow.build/Debug-xros/SWindow.build/Objects-normal/arm64/SWindow.abi.json
SwiftCompile normal arm64 Compiling\ SWindow.swift /Users/admin/builder/spi-builder-workspace/Sources/SWindow/SWindow.swift (in target 'SWindow' from project 'SWindow')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/SWindow/SWindow.swift (in target 'SWindow' from project 'SWindow')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

** BUILD FAILED **
The following build commands failed:
	SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/SWindow/SWindow.swift (in target 'SWindow' from project 'SWindow')
	SwiftEmitModule normal arm64 Emitting\ module\ for\ SWindow (in target 'SWindow' from project 'SWindow')
	Building workspace spi-builder-workspace with scheme SWindow
(3 failures)
BUILD FAILURE 6.1 visionOS