Swift Package Index

Build Information

Failed to build MFMailComposeWrapper, reference master (3bc824), with Swift 6.1 for visionOS using Xcode 16.3 on 11 Aug 2026 15:27:09 UTC.

Build Command

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

Build Log

========================================
RunAll
========================================
Builder version: undefined version: run 'make version' to update
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/moslienko/MFMailComposeWrapper.git
Reference: master
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/moslienko/MFMailComposeWrapper
 * branch            master     -> FETCH_HEAD
 * [new branch]      master     -> origin/master
HEAD is now at 3bc8242 Update README.md
Cloned https://github.com/moslienko/MFMailComposeWrapper.git
Revision (git rev-parse @):
3bc8242203231d40fd5cc2cd1a658f145813d5f3
SUCCESS checkout https://github.com/moslienko/MFMailComposeWrapper.git at master
========================================
Build
========================================
Selected platform:         visionOS
Swift version:             6.1
Building package at path:  $PWD
https://github.com/moslienko/MFMailComposeWrapper.git
https://github.com/moslienko/MFMailComposeWrapper.git
{
  "dependencies" : [
  ],
  "manifest_display_name" : "MFMailComposeWrapper",
  "name" : "MFMailComposeWrapper",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "ios",
      "version" : "9.0"
    },
    {
      "name" : "tvos",
      "version" : "9.0"
    },
    {
      "name" : "watchos",
      "version" : "2.0"
    },
    {
      "name" : "macos",
      "version" : "10.10"
    }
  ],
  "products" : [
    {
      "name" : "MFMailComposeWrapper",
      "targets" : [
        "MFMailComposeWrapper"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "MFMailComposeWrapperTests",
      "module_type" : "SwiftTarget",
      "name" : "MFMailComposeWrapperTests",
      "path" : "Tests",
      "sources" : [
        "LinuxMain.swift",
        "MFMailComposeWrapperTests.swift"
      ],
      "target_dependencies" : [
        "MFMailComposeWrapper"
      ],
      "type" : "test"
    },
    {
      "c99name" : "MFMailComposeWrapper",
      "module_type" : "SwiftTarget",
      "name" : "MFMailComposeWrapper",
      "path" : "Sources",
      "product_memberships" : [
        "MFMailComposeWrapper"
      ],
      "sources" : [
        "MFMailComposeWrapper.swift",
        "MailApp.swift",
        "Model/MFMailData.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.3"
}
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" : "MFMailComposeWrapper",
  "name" : "MFMailComposeWrapper",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "ios",
      "version" : "9.0"
    },
    {
      "name" : "tvos",
      "version" : "9.0"
    },
    {
      "name" : "watchos",
      "version" : "2.0"
    },
    {
      "name" : "macos",
      "version" : "10.10"
    }
  ],
  "products" : [
    {
      "name" : "MFMailComposeWrapper",
      "targets" : [
        "MFMailComposeWrapper"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "MFMailComposeWrapperTests",
      "module_type" : "SwiftTarget",
      "name" : "MFMailComposeWrapperTests",
      "path" : "Tests",
      "sources" : [
        "LinuxMain.swift",
        "MFMailComposeWrapperTests.swift"
      ],
      "target_dependencies" : [
        "MFMailComposeWrapper"
      ],
      "type" : "test"
    },
    {
      "c99name" : "MFMailComposeWrapper",
      "module_type" : "SwiftTarget",
      "name" : "MFMailComposeWrapper",
      "path" : "Sources",
      "product_memberships" : [
        "MFMailComposeWrapper"
      ],
      "sources" : [
        "MFMailComposeWrapper.swift",
        "MailApp.swift",
        "Model/MFMailData.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.3"
}
{
  "project" : {
    "configurations" : [
      "Debug",
      "Release"
    ],
    "name" : "MFMailComposeWrapper",
    "schemes" : [
      "Example",
      "MFMailComposeWrapper-iOS",
      "MFMailComposeWrapper-macOS",
      "MFMailComposeWrapper-tvOS",
      "MFMailComposeWrapper-watchOS"
    ],
    "targets" : [
      "MFMailComposeWrapper-iOS",
      "MFMailComposeWrapper-tvOS",
      "MFMailComposeWrapper-watchOS",
      "MFMailComposeWrapper-macOS",
      "MFMailComposeWrapper-iOSTests",
      "MFMailComposeWrapper-tvOSTests",
      "MFMailComposeWrapper-macOSTests",
      "Example"
    ]
  }
}
{
  "workspace" : {
    "name" : "spi-builder-workspace",
    "schemes" : [
      "MFMailComposeWrapper"
    ]
  }
}
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-16.3.0.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme MFMailComposeWrapper -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 MFMailComposeWrapper -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:
  MFMailComposeWrapper: /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 'MFMailComposeWrapper' in project 'MFMailComposeWrapper'
        ➜ Explicit dependency on target 'MFMailComposeWrapper' in project 'MFMailComposeWrapper'
    Target 'MFMailComposeWrapper' in project 'MFMailComposeWrapper' (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: 571c8823e9fd1221068b694d65d95ff5
Build description path: /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/XCBuildData/571c8823e9fd1221068b694d65d95ff5.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
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
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/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/MFMailComposeWrapper.build/Debug-xros/MFMailComposeWrapper.build/MFMailComposeWrapper.modulemap (in target 'MFMailComposeWrapper' from project 'MFMailComposeWrapper')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/MFMailComposeWrapper.build/Debug-xros/MFMailComposeWrapper.build/MFMailComposeWrapper.modulemap
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/MFMailComposeWrapper.build/Debug-xros/MFMailComposeWrapper.build/MFMailComposeWrapper.DependencyMetadataFileList (in target 'MFMailComposeWrapper' from project 'MFMailComposeWrapper')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/MFMailComposeWrapper.build/Debug-xros/MFMailComposeWrapper.build/MFMailComposeWrapper.DependencyMetadataFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/MFMailComposeWrapper.build/Debug-xros/MFMailComposeWrapper.build/MFMailComposeWrapper.DependencyStaticMetadataFileList (in target 'MFMailComposeWrapper' from project 'MFMailComposeWrapper')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/MFMailComposeWrapper.build/Debug-xros/MFMailComposeWrapper.build/MFMailComposeWrapper.DependencyStaticMetadataFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/MFMailComposeWrapper.build/Debug-xros/MFMailComposeWrapper.build/Objects-normal/arm64/MFMailComposeWrapper.LinkFileList (in target 'MFMailComposeWrapper' from project 'MFMailComposeWrapper')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/MFMailComposeWrapper.build/Debug-xros/MFMailComposeWrapper.build/Objects-normal/arm64/MFMailComposeWrapper.LinkFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/MFMailComposeWrapper.build/Debug-xros/MFMailComposeWrapper.build/Objects-normal/arm64/MFMailComposeWrapper.SwiftConstValuesFileList (in target 'MFMailComposeWrapper' from project 'MFMailComposeWrapper')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/MFMailComposeWrapper.build/Debug-xros/MFMailComposeWrapper.build/Objects-normal/arm64/MFMailComposeWrapper.SwiftConstValuesFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/MFMailComposeWrapper.build/Debug-xros/MFMailComposeWrapper.build/Objects-normal/arm64/MFMailComposeWrapper.SwiftFileList (in target 'MFMailComposeWrapper' from project 'MFMailComposeWrapper')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/MFMailComposeWrapper.build/Debug-xros/MFMailComposeWrapper.build/Objects-normal/arm64/MFMailComposeWrapper.SwiftFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/MFMailComposeWrapper.build/Debug-xros/MFMailComposeWrapper.build/Objects-normal/arm64/MFMailComposeWrapper-OutputFileMap.json (in target 'MFMailComposeWrapper' from project 'MFMailComposeWrapper')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/MFMailComposeWrapper.build/Debug-xros/MFMailComposeWrapper.build/Objects-normal/arm64/MFMailComposeWrapper-OutputFileMap.json
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/MFMailComposeWrapper.build/Debug-xros/MFMailComposeWrapper.build/Objects-normal/arm64/MFMailComposeWrapper_const_extract_protocols.json (in target 'MFMailComposeWrapper' from project 'MFMailComposeWrapper')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/MFMailComposeWrapper.build/Debug-xros/MFMailComposeWrapper.build/Objects-normal/arm64/MFMailComposeWrapper_const_extract_protocols.json
Copy /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/GeneratedModuleMaps-xros/MFMailComposeWrapper.modulemap /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/MFMailComposeWrapper.build/Debug-xros/MFMailComposeWrapper.build/MFMailComposeWrapper.modulemap (in target 'MFMailComposeWrapper' from project 'MFMailComposeWrapper')
    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/MFMailComposeWrapper.build/Debug-xros/MFMailComposeWrapper.build/MFMailComposeWrapper.modulemap /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/GeneratedModuleMaps-xros
SwiftDriver MFMailComposeWrapper normal arm64 com.apple.xcode.tools.swift.compiler (in target 'MFMailComposeWrapper' from project 'MFMailComposeWrapper')
    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 MFMailComposeWrapper -Onone -enforce-exclusivity\=checked @/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/MFMailComposeWrapper.build/Debug-xros/MFMailComposeWrapper.build/Objects-normal/arm64/MFMailComposeWrapper.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 -profile-coverage-mapping -profile-generate -enable-testing -index-store-path /Users/admin/builder/spi-builder-workspace/.derivedData/Index.noindex/DataStore -swift-version 5 -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 -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/MFMailComposeWrapper.build/Debug-xros/MFMailComposeWrapper.build/Objects-normal/arm64/MFMailComposeWrapper-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/MFMailComposeWrapper.build/Debug-xros/MFMailComposeWrapper.build/Objects-normal/arm64/MFMailComposeWrapper.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/MFMailComposeWrapper.build/Debug-xros/MFMailComposeWrapper.build/swift-overrides.hmap -emit-const-values -Xfrontend -const-gather-protocols-file -Xfrontend /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/MFMailComposeWrapper.build/Debug-xros/MFMailComposeWrapper.build/Objects-normal/arm64/MFMailComposeWrapper_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/MFMailComposeWrapper.build/Debug-xros/MFMailComposeWrapper.build/DerivedSources-normal/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/MFMailComposeWrapper.build/Debug-xros/MFMailComposeWrapper.build/DerivedSources/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/MFMailComposeWrapper.build/Debug-xros/MFMailComposeWrapper.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/MFMailComposeWrapper.build/Debug-xros/MFMailComposeWrapper.build/Objects-normal/arm64/MFMailComposeWrapper-Swift.h -working-directory /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode -experimental-emit-module-separately -disable-cmo
SwiftEmitModule normal arm64 Emitting\ module\ for\ MFMailComposeWrapper (in target 'MFMailComposeWrapper' from project 'MFMailComposeWrapper')
EmitSwiftModule normal arm64 (in target 'MFMailComposeWrapper' from project 'MFMailComposeWrapper')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

/Users/admin/builder/spi-builder-workspace/Sources/MFMailComposeWrapper.swift:53:17: warning: main actor-isolated instance method 'mailComposeController(_:didFinishWith:error:)' cannot be used to satisfy nonisolated requirement from protocol 'MFMailComposeViewControllerDelegate'; this is an error in the Swift 6 language mode
    public func mailComposeController(_ controller: MFMailComposeViewController, didFinishWith result: MFMailComposeResult, error: Error?) {
                ^
/Users/admin/builder/spi-builder-workspace/Sources/MFMailComposeWrapper.swift:53:17: note: add 'nonisolated' to 'mailComposeController(_:didFinishWith:error:)' to make this instance method not isolated to the actor
    public func mailComposeController(_ controller: MFMailComposeViewController, didFinishWith result: MFMailComposeResult, error: Error?) {
                ^
    nonisolated
/Users/admin/builder/spi-builder-workspace/Sources/MFMailComposeWrapper.swift:13:54: note: add '@preconcurrency' to the 'MFMailComposeViewControllerDelegate' conformance to defer isolation checking to run time
public class MFMailComposeWrapper: UIViewController, MFMailComposeViewControllerDelegate {
                                                     ^
                                                     @preconcurrency
SwiftCompile normal arm64 Compiling\ MFMailComposeWrapper.swift /Users/admin/builder/spi-builder-workspace/Sources/MFMailComposeWrapper.swift (in target 'MFMailComposeWrapper' from project 'MFMailComposeWrapper')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/MFMailComposeWrapper.swift (in target 'MFMailComposeWrapper' from project 'MFMailComposeWrapper')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

SwiftCompile normal arm64 Compiling\ MFMailData.swift /Users/admin/builder/spi-builder-workspace/Sources/Model/MFMailData.swift (in target 'MFMailComposeWrapper' from project 'MFMailComposeWrapper')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/Model/MFMailData.swift (in target 'MFMailComposeWrapper' from project 'MFMailComposeWrapper')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

SwiftCompile normal arm64 Compiling\ MailApp.swift /Users/admin/builder/spi-builder-workspace/Sources/MailApp.swift (in target 'MFMailComposeWrapper' from project 'MFMailComposeWrapper')
Failed frontend command:
/Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swift-frontend -frontend -c /Users/admin/builder/spi-builder-workspace/Sources/MFMailComposeWrapper.swift -primary-file /Users/admin/builder/spi-builder-workspace/Sources/MailApp.swift /Users/admin/builder/spi-builder-workspace/Sources/Model/MFMailData.swift -emit-dependencies-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/MFMailComposeWrapper.build/Debug-xros/MFMailComposeWrapper.build/Objects-normal/arm64/MailApp.d -emit-const-values-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/MFMailComposeWrapper.build/Debug-xros/MFMailComposeWrapper.build/Objects-normal/arm64/MailApp.swiftconstvalues -emit-reference-dependencies-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/MFMailComposeWrapper.build/Debug-xros/MFMailComposeWrapper.build/Objects-normal/arm64/MailApp.swiftdeps -serialize-diagnostics-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/MFMailComposeWrapper.build/Debug-xros/MFMailComposeWrapper.build/Objects-normal/arm64/MailApp.dia -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 -profile-generate -profile-coverage-mapping -swift-version 5 -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/MFMailComposeWrapper.build/Debug-xros/MFMailComposeWrapper.build/Objects-normal/arm64/MFMailComposeWrapper_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/MFMailComposeWrapper.build/Debug-xros/MFMailComposeWrapper.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/MFMailComposeWrapper.build/Debug-xros/MFMailComposeWrapper.build/DerivedSources-normal/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/MFMailComposeWrapper.build/Debug-xros/MFMailComposeWrapper.build/DerivedSources/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/MFMailComposeWrapper.build/Debug-xros/MFMailComposeWrapper.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG\=1 -module-name MFMailComposeWrapper -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 -o /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/MFMailComposeWrapper.build/Debug-xros/MFMailComposeWrapper.build/Objects-normal/arm64/MailApp.o -index-unit-output-path /MFMailComposeWrapper.build/Debug-xros/MFMailComposeWrapper.build/Objects-normal/arm64/MailApp.o -index-store-path /Users/admin/builder/spi-builder-workspace/.derivedData/Index.noindex/DataStore -index-system-modules
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/MailApp.swift (in target 'MFMailComposeWrapper' from project 'MFMailComposeWrapper')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

/Users/admin/builder/spi-builder-workspace/Sources/MailApp.swift:43:34: error: 'openURL' is unavailable in visionOS
            UIApplication.shared.openURL(url)
                                 ^~~~~~~
UIKit.UIApplication.openURL:3:24: note: 'openURL' has been explicitly marked unavailable here
  @MainActor open func openURL(_ url: URL) -> Bool}
                       ^
/Users/admin/builder/spi-builder-workspace/Sources/MailApp.swift:43:34: warning: result of call to 'openURL' is unused
            UIApplication.shared.openURL(url)
                                 ^      ~~~~~
/Users/admin/builder/spi-builder-workspace/Sources/MailApp.swift:36:29: warning: main actor-isolated class property 'shared' can not be referenced from a nonisolated context; this is an error in the Swift 6 language mode
              UIApplication.shared.canOpenURL(url) else {
                            ^
/Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/XROS.platform/Developer/SDKs/XROS2.4.sdk/System/Library/Frameworks/UIKit.framework/Headers/UIApplication.h:87:54: note: class property declared here
@property(class, nonatomic, readonly) UIApplication *sharedApplication NS_EXTENSION_UNAVAILABLE_IOS("Use view controller based solutions where appropriate instead.");
                                                     ^
/Users/admin/builder/spi-builder-workspace/Sources/MailApp.swift:34:10: note: add '@MainActor' to make instance method 'tryOpenApp(with:)' part of global actor 'MainActor'
    func tryOpenApp(with data: MFMailData) -> Bool {
         ^
    @MainActor
/Users/admin/builder/spi-builder-workspace/Sources/MailApp.swift:41:34: warning: call to main actor-isolated instance method 'open(_:options:completionHandler:)' in a synchronous nonisolated context; this is an error in the Swift 6 language mode
            UIApplication.shared.open(url)
                                 ^
UIKit.UIApplication.open:3:24: note: calls to instance method 'open(_:options:completionHandler:)' from outside of its actor context are implicitly asynchronous
  @MainActor open func open(_ url: URL, options: [UIApplication.OpenExternalURLOptionsKey : Any] = [:], completionHandler completion: (@MainActor @Sendable (Bool) -> Void)? = nil)}
                       ^
/Users/admin/builder/spi-builder-workspace/Sources/MailApp.swift:34:10: note: add '@MainActor' to make instance method 'tryOpenApp(with:)' part of global actor 'MainActor'
    func tryOpenApp(with data: MFMailData) -> Bool {
         ^
    @MainActor
/Users/admin/builder/spi-builder-workspace/Sources/MailApp.swift:41:27: warning: main actor-isolated class property 'shared' can not be referenced from a nonisolated context; this is an error in the Swift 6 language mode
            UIApplication.shared.open(url)
                          ^
/Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/XROS.platform/Developer/SDKs/XROS2.4.sdk/System/Library/Frameworks/UIKit.framework/Headers/UIApplication.h:87:54: note: class property declared here
@property(class, nonatomic, readonly) UIApplication *sharedApplication NS_EXTENSION_UNAVAILABLE_IOS("Use view controller based solutions where appropriate instead.");
                                                     ^
/Users/admin/builder/spi-builder-workspace/Sources/MailApp.swift:34:10: note: add '@MainActor' to make instance method 'tryOpenApp(with:)' part of global actor 'MainActor'
    func tryOpenApp(with data: MFMailData) -> Bool {
         ^
    @MainActor
/Users/admin/builder/spi-builder-workspace/Sources/MailApp.swift:43:34: warning: call to main actor-isolated instance method 'openURL' in a synchronous nonisolated context; this is an error in the Swift 6 language mode
            UIApplication.shared.openURL(url)
                                 ^
UIKit.UIApplication.openURL:3:24: note: calls to instance method 'openURL' from outside of its actor context are implicitly asynchronous
  @MainActor open func openURL(_ url: URL) -> Bool}
                       ^
/Users/admin/builder/spi-builder-workspace/Sources/MailApp.swift:34:10: note: add '@MainActor' to make instance method 'tryOpenApp(with:)' part of global actor 'MainActor'
    func tryOpenApp(with data: MFMailData) -> Bool {
         ^
    @MainActor
/Users/admin/builder/spi-builder-workspace/Sources/MailApp.swift:43:27: warning: main actor-isolated class property 'shared' can not be referenced from a nonisolated context; this is an error in the Swift 6 language mode
            UIApplication.shared.openURL(url)
                          ^
/Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/XROS.platform/Developer/SDKs/XROS2.4.sdk/System/Library/Frameworks/UIKit.framework/Headers/UIApplication.h:87:54: note: class property declared here
@property(class, nonatomic, readonly) UIApplication *sharedApplication NS_EXTENSION_UNAVAILABLE_IOS("Use view controller based solutions where appropriate instead.");
                                                     ^
/Users/admin/builder/spi-builder-workspace/Sources/MailApp.swift:34:10: note: add '@MainActor' to make instance method 'tryOpenApp(with:)' part of global actor 'MainActor'
    func tryOpenApp(with data: MFMailData) -> Bool {
         ^
    @MainActor
SwiftDriverJobDiscovery normal arm64 Emitting module for MFMailComposeWrapper (in target 'MFMailComposeWrapper' from project 'MFMailComposeWrapper')
SwiftDriver\ Compilation\ Requirements MFMailComposeWrapper normal arm64 com.apple.xcode.tools.swift.compiler (in target 'MFMailComposeWrapper' from project 'MFMailComposeWrapper')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-Swift-Compilation-Requirements -- /Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swiftc -module-name MFMailComposeWrapper -Onone -enforce-exclusivity\=checked @/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/MFMailComposeWrapper.build/Debug-xros/MFMailComposeWrapper.build/Objects-normal/arm64/MFMailComposeWrapper.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 -profile-coverage-mapping -profile-generate -enable-testing -index-store-path /Users/admin/builder/spi-builder-workspace/.derivedData/Index.noindex/DataStore -swift-version 5 -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 -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/MFMailComposeWrapper.build/Debug-xros/MFMailComposeWrapper.build/Objects-normal/arm64/MFMailComposeWrapper-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/MFMailComposeWrapper.build/Debug-xros/MFMailComposeWrapper.build/Objects-normal/arm64/MFMailComposeWrapper.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/MFMailComposeWrapper.build/Debug-xros/MFMailComposeWrapper.build/swift-overrides.hmap -emit-const-values -Xfrontend -const-gather-protocols-file -Xfrontend /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/MFMailComposeWrapper.build/Debug-xros/MFMailComposeWrapper.build/Objects-normal/arm64/MFMailComposeWrapper_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/MFMailComposeWrapper.build/Debug-xros/MFMailComposeWrapper.build/DerivedSources-normal/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/MFMailComposeWrapper.build/Debug-xros/MFMailComposeWrapper.build/DerivedSources/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/MFMailComposeWrapper.build/Debug-xros/MFMailComposeWrapper.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/MFMailComposeWrapper.build/Debug-xros/MFMailComposeWrapper.build/Objects-normal/arm64/MFMailComposeWrapper-Swift.h -working-directory /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode -experimental-emit-module-separately -disable-cmo
SwiftMergeGeneratedHeaders /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/GeneratedModuleMaps-xros/MFMailComposeWrapper-Swift.h /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/MFMailComposeWrapper.build/Debug-xros/MFMailComposeWrapper.build/Objects-normal/arm64/MFMailComposeWrapper-Swift.h (in target 'MFMailComposeWrapper' from project 'MFMailComposeWrapper')
    cd /Users/admin/builder/spi-builder-workspace
    builtin-swiftHeaderTool -arch arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/MFMailComposeWrapper.build/Debug-xros/MFMailComposeWrapper.build/Objects-normal/arm64/MFMailComposeWrapper-Swift.h -o /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/GeneratedModuleMaps-xros/MFMailComposeWrapper-Swift.h
Copy /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-xros/MFMailComposeWrapper.swiftmodule/arm64-apple-xros.abi.json /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/MFMailComposeWrapper.build/Debug-xros/MFMailComposeWrapper.build/Objects-normal/arm64/MFMailComposeWrapper.abi.json (in target 'MFMailComposeWrapper' from project 'MFMailComposeWrapper')
    cd /Users/admin/builder/spi-builder-workspace
    builtin-copy -exclude .DS_Store -exclude CVS -exclude .svn -exclude .git -exclude .hg -resolve-src-symlinks -rename /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/MFMailComposeWrapper.build/Debug-xros/MFMailComposeWrapper.build/Objects-normal/arm64/MFMailComposeWrapper.abi.json /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-xros/MFMailComposeWrapper.swiftmodule/arm64-apple-xros.abi.json
Copy /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-xros/MFMailComposeWrapper.swiftmodule/arm64-apple-xros.swiftmodule /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/MFMailComposeWrapper.build/Debug-xros/MFMailComposeWrapper.build/Objects-normal/arm64/MFMailComposeWrapper.swiftmodule (in target 'MFMailComposeWrapper' from project 'MFMailComposeWrapper')
    cd /Users/admin/builder/spi-builder-workspace
    builtin-copy -exclude .DS_Store -exclude CVS -exclude .svn -exclude .git -exclude .hg -resolve-src-symlinks -rename /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/MFMailComposeWrapper.build/Debug-xros/MFMailComposeWrapper.build/Objects-normal/arm64/MFMailComposeWrapper.swiftmodule /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-xros/MFMailComposeWrapper.swiftmodule/arm64-apple-xros.swiftmodule
Copy /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-xros/MFMailComposeWrapper.swiftmodule/arm64-apple-xros.swiftdoc /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/MFMailComposeWrapper.build/Debug-xros/MFMailComposeWrapper.build/Objects-normal/arm64/MFMailComposeWrapper.swiftdoc (in target 'MFMailComposeWrapper' from project 'MFMailComposeWrapper')
    cd /Users/admin/builder/spi-builder-workspace
    builtin-copy -exclude .DS_Store -exclude CVS -exclude .svn -exclude .git -exclude .hg -resolve-src-symlinks -rename /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/MFMailComposeWrapper.build/Debug-xros/MFMailComposeWrapper.build/Objects-normal/arm64/MFMailComposeWrapper.swiftdoc /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-xros/MFMailComposeWrapper.swiftmodule/arm64-apple-xros.swiftdoc
Copy /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-xros/MFMailComposeWrapper.swiftmodule/Project/arm64-apple-xros.swiftsourceinfo /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/MFMailComposeWrapper.build/Debug-xros/MFMailComposeWrapper.build/Objects-normal/arm64/MFMailComposeWrapper.swiftsourceinfo (in target 'MFMailComposeWrapper' from project 'MFMailComposeWrapper')
    cd /Users/admin/builder/spi-builder-workspace
    builtin-copy -exclude .DS_Store -exclude CVS -exclude .svn -exclude .git -exclude .hg -resolve-src-symlinks -rename /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/MFMailComposeWrapper.build/Debug-xros/MFMailComposeWrapper.build/Objects-normal/arm64/MFMailComposeWrapper.swiftsourceinfo /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-xros/MFMailComposeWrapper.swiftmodule/Project/arm64-apple-xros.swiftsourceinfo
SwiftDriverJobDiscovery normal arm64 Compiling MFMailData.swift (in target 'MFMailComposeWrapper' from project 'MFMailComposeWrapper')
** BUILD FAILED **
The following build commands failed:
	SwiftCompile normal arm64 Compiling\ MailApp.swift /Users/admin/builder/spi-builder-workspace/Sources/MailApp.swift (in target 'MFMailComposeWrapper' from project 'MFMailComposeWrapper')
	SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/MailApp.swift (in target 'MFMailComposeWrapper' from project 'MFMailComposeWrapper')
	Building workspace spi-builder-workspace with scheme MFMailComposeWrapper
(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:
  MFMailComposeWrapper: /Users/admin/builder/spi-builder-workspace
resolved source packages: MFMailComposeWrapper
{
  "dependencies" : [
  ],
  "manifest_display_name" : "MFMailComposeWrapper",
  "name" : "MFMailComposeWrapper",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "ios",
      "version" : "9.0"
    },
    {
      "name" : "tvos",
      "version" : "9.0"
    },
    {
      "name" : "watchos",
      "version" : "2.0"
    },
    {
      "name" : "macos",
      "version" : "10.10"
    }
  ],
  "products" : [
    {
      "name" : "MFMailComposeWrapper",
      "targets" : [
        "MFMailComposeWrapper"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "MFMailComposeWrapperTests",
      "module_type" : "SwiftTarget",
      "name" : "MFMailComposeWrapperTests",
      "path" : "Tests",
      "sources" : [
        "LinuxMain.swift",
        "MFMailComposeWrapperTests.swift"
      ],
      "target_dependencies" : [
        "MFMailComposeWrapper"
      ],
      "type" : "test"
    },
    {
      "c99name" : "MFMailComposeWrapper",
      "module_type" : "SwiftTarget",
      "name" : "MFMailComposeWrapper",
      "path" : "Sources",
      "product_memberships" : [
        "MFMailComposeWrapper"
      ],
      "sources" : [
        "MFMailComposeWrapper.swift",
        "MailApp.swift",
        "Model/MFMailData.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.3"
}
{
  "workspace" : {
    "name" : "spi-builder-workspace",
    "schemes" : [
      "MFMailComposeWrapper"
    ]
  }
}
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-16.3.0.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme MFMailComposeWrapper -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 MFMailComposeWrapper -destination generic/platform=xrOS
Resolve Package Graph
Resolved source packages:
  MFMailComposeWrapper: /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 'MFMailComposeWrapper' in project 'MFMailComposeWrapper'
        ➜ Explicit dependency on target 'MFMailComposeWrapper' in project 'MFMailComposeWrapper'
    Target 'MFMailComposeWrapper' in project 'MFMailComposeWrapper' (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: 5a8f9684dcba18405c9fe1abfed61075
Build description path: /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/XCBuildData/5a8f9684dcba18405c9fe1abfed61075.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 MFMailComposeWrapper normal arm64 com.apple.xcode.tools.swift.compiler (in target 'MFMailComposeWrapper' from project 'MFMailComposeWrapper')
    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 MFMailComposeWrapper -Onone -enforce-exclusivity\=checked @/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/MFMailComposeWrapper.build/Debug-xros/MFMailComposeWrapper.build/Objects-normal/arm64/MFMailComposeWrapper.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 -profile-coverage-mapping -profile-generate -enable-testing -index-store-path /Users/admin/builder/spi-builder-workspace/.derivedData/Index.noindex/DataStore -swift-version 5 -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 -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/MFMailComposeWrapper.build/Debug-xros/MFMailComposeWrapper.build/Objects-normal/arm64/MFMailComposeWrapper-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/MFMailComposeWrapper.build/Debug-xros/MFMailComposeWrapper.build/Objects-normal/arm64/MFMailComposeWrapper.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/MFMailComposeWrapper.build/Debug-xros/MFMailComposeWrapper.build/swift-overrides.hmap -emit-const-values -Xfrontend -const-gather-protocols-file -Xfrontend /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/MFMailComposeWrapper.build/Debug-xros/MFMailComposeWrapper.build/Objects-normal/arm64/MFMailComposeWrapper_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/MFMailComposeWrapper.build/Debug-xros/MFMailComposeWrapper.build/DerivedSources-normal/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/MFMailComposeWrapper.build/Debug-xros/MFMailComposeWrapper.build/DerivedSources/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/MFMailComposeWrapper.build/Debug-xros/MFMailComposeWrapper.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/MFMailComposeWrapper.build/Debug-xros/MFMailComposeWrapper.build/Objects-normal/arm64/MFMailComposeWrapper-Swift.h -working-directory /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode -experimental-emit-module-separately -disable-cmo
SwiftCompile normal arm64 Compiling\ MailApp.swift /Users/admin/builder/spi-builder-workspace/Sources/MailApp.swift (in target 'MFMailComposeWrapper' from project 'MFMailComposeWrapper')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/MailApp.swift (in target 'MFMailComposeWrapper' from project 'MFMailComposeWrapper')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

/Users/admin/builder/spi-builder-workspace/Sources/MailApp.swift:43:34: error: 'openURL' is unavailable in visionOS
            UIApplication.shared.openURL(url)
                                 ^~~~~~~
UIKit.UIApplication.openURL:3:24: note: 'openURL' has been explicitly marked unavailable here
  @MainActor open func openURL(_ url: URL) -> Bool}
                       ^
/Users/admin/builder/spi-builder-workspace/Sources/MailApp.swift:43:34: warning: result of call to 'openURL' is unused
            UIApplication.shared.openURL(url)
                                 ^      ~~~~~
Failed frontend command:
/Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swift-frontend -frontend -c /Users/admin/builder/spi-builder-workspace/Sources/MFMailComposeWrapper.swift -primary-file /Users/admin/builder/spi-builder-workspace/Sources/MailApp.swift /Users/admin/builder/spi-builder-workspace/Sources/Model/MFMailData.swift -emit-dependencies-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/MFMailComposeWrapper.build/Debug-xros/MFMailComposeWrapper.build/Objects-normal/arm64/MailApp.d -emit-const-values-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/MFMailComposeWrapper.build/Debug-xros/MFMailComposeWrapper.build/Objects-normal/arm64/MailApp.swiftconstvalues -emit-reference-dependencies-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/MFMailComposeWrapper.build/Debug-xros/MFMailComposeWrapper.build/Objects-normal/arm64/MailApp.swiftdeps -serialize-diagnostics-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/MFMailComposeWrapper.build/Debug-xros/MFMailComposeWrapper.build/Objects-normal/arm64/MailApp.dia -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 -profile-generate -profile-coverage-mapping -swift-version 5 -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/MFMailComposeWrapper.build/Debug-xros/MFMailComposeWrapper.build/Objects-normal/arm64/MFMailComposeWrapper_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/MFMailComposeWrapper.build/Debug-xros/MFMailComposeWrapper.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/MFMailComposeWrapper.build/Debug-xros/MFMailComposeWrapper.build/DerivedSources-normal/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/MFMailComposeWrapper.build/Debug-xros/MFMailComposeWrapper.build/DerivedSources/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/MFMailComposeWrapper.build/Debug-xros/MFMailComposeWrapper.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG\=1 -module-name MFMailComposeWrapper -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 -o /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/MFMailComposeWrapper.build/Debug-xros/MFMailComposeWrapper.build/Objects-normal/arm64/MailApp.o -index-unit-output-path /MFMailComposeWrapper.build/Debug-xros/MFMailComposeWrapper.build/Objects-normal/arm64/MailApp.o -index-store-path /Users/admin/builder/spi-builder-workspace/.derivedData/Index.noindex/DataStore -index-system-modules
SwiftEmitModule normal arm64 Emitting\ module\ for\ MFMailComposeWrapper (in target 'MFMailComposeWrapper' from project 'MFMailComposeWrapper')
EmitSwiftModule normal arm64 (in target 'MFMailComposeWrapper' from project 'MFMailComposeWrapper')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

SwiftCompile normal arm64 Compiling\ MFMailComposeWrapper.swift /Users/admin/builder/spi-builder-workspace/Sources/MFMailComposeWrapper.swift (in target 'MFMailComposeWrapper' from project 'MFMailComposeWrapper')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/MFMailComposeWrapper.swift (in target 'MFMailComposeWrapper' from project 'MFMailComposeWrapper')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

SwiftCompile normal arm64 Compiling\ MFMailData.swift /Users/admin/builder/spi-builder-workspace/Sources/Model/MFMailData.swift (in target 'MFMailComposeWrapper' from project 'MFMailComposeWrapper')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/Model/MFMailData.swift (in target 'MFMailComposeWrapper' from project 'MFMailComposeWrapper')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

SwiftDriverJobDiscovery normal arm64 Compiling MFMailData.swift (in target 'MFMailComposeWrapper' from project 'MFMailComposeWrapper')
** BUILD FAILED **
The following build commands failed:
	SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/MailApp.swift (in target 'MFMailComposeWrapper' from project 'MFMailComposeWrapper')
	SwiftCompile normal arm64 Compiling\ MailApp.swift /Users/admin/builder/spi-builder-workspace/Sources/MailApp.swift (in target 'MFMailComposeWrapper' from project 'MFMailComposeWrapper')
	Building workspace spi-builder-workspace with scheme MFMailComposeWrapper
(3 failures)
BUILD FAILURE 6.1 visionOS