Swift Package Index

Build Information

Failed to build Futura.swift, reference master (1dd68c), with Swift 6.2 for visionOS using Xcode 26.3 on 17 Jun 2025 11:59:18 UTC.

Build Command

env DEVELOPER_DIR=/Applications/Xcode-26.0.0-Beta.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme Futura.swift -destination generic/platform=xrOS

Build Log

========================================
RunAll
========================================
Builder version: 4.64.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/thedavidharris/Futura.git
Reference: master
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/thedavidharris/Futura
 * branch            master     -> FETCH_HEAD
 * [new branch]      master     -> origin/master
HEAD is now at 1dd68ce Add documentation
Cloned https://github.com/thedavidharris/Futura.git
Revision (git rev-parse @):
1dd68cee8588d15c77dff40e699ee411bc5e1e1e
SUCCESS checkout https://github.com/thedavidharris/Futura.git at master
========================================
Build
========================================
Selected platform:         visionOS
Swift version:             6.2
Building package at path:  $PWD
https://github.com/thedavidharris/Futura.git
Command line invocation:
    /Applications/Xcode-26.0.0-Beta.app/Contents/Developer/usr/bin/xcodebuild -IDEClonedSourcePackagesDirPathOverride=/Users/admin/builder/spi-builder-workspace/.dependencies -resolvePackageDependencies
resolved source packages:
{
  "dependencies" : [
  ],
  "manifest_display_name" : "Futura.swift",
  "name" : "Futura.swift",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
  ],
  "products" : [
    {
      "name" : "Futura",
      "targets" : [
        "Futura"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "FuturaTests",
      "module_type" : "SwiftTarget",
      "name" : "FuturaTests",
      "path" : "Tests",
      "sources" : [
        "FutureTests+Always.swift",
        "FutureTests+Collection.swift",
        "FutureTests+Do.swift",
        "FutureTests+Init.swift",
        "FutureTests+Map.swift",
        "FutureTests+Race.swift",
        "FutureTests+Recover.swift",
        "FutureTests+Retry.swift",
        "FutureTests+Time.swift",
        "FutureTests+Validate.swift",
        "FutureTests+Variadic.swift",
        "FutureTests+Wrap.swift",
        "TestHelpers.swift"
      ],
      "target_dependencies" : [
        "Futura"
      ],
      "type" : "test"
    },
    {
      "c99name" : "Futura",
      "module_type" : "SwiftTarget",
      "name" : "Futura",
      "path" : "Sources",
      "product_memberships" : [
        "Futura"
      ],
      "sources" : [
        "Callback.swift",
        "Collection+Future.swift",
        "Either.swift",
        "Future+Always.swift",
        "Future+Do.swift",
        "Future+Map.swift",
        "Future+Race.swift",
        "Future+Recover.swift",
        "Future+Retry.swift",
        "Future+Time.swift",
        "Future+Validate.swift",
        "Future+Variadic.swift",
        "Future+Wrap.swift",
        "Future.swift",
        "FutureError.swift",
        "Promise+Void.swift",
        "Promise.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "4.2"
}
{
  "project" : {
    "configurations" : [
      "Debug",
      "Release"
    ],
    "name" : "Futura",
    "schemes" : [
      "Futura-iOS",
      "Futura-macOS",
      "Futura-tvOS",
      "Futura-watchOS"
    ],
    "targets" : [
      "Futura-iOS",
      "FuturaTests-iOS",
      "Futura-macOS",
      "FuturaTests-macOS",
      "Futura-tvOS",
      "FuturaTests-tvOS",
      "Futura-watchOS"
    ]
  }
}
{
  "workspace" : {
    "name" : "spi-builder-workspace",
    "schemes" : [
      "Futura.swift"
    ]
  }
}
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-26.0.0-Beta.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme Futura.swift -destination generic/platform=xrOS
Command line invocation:
    /Applications/Xcode-26.0.0-Beta.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 Futura.swift -destination generic/platform=xrOS
Resolve Package Graph
Resolved source packages:
  Futura.swift: /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 'Futura' in project 'Futura.swift'
        ➜ Explicit dependency on target 'Futura' in project 'Futura.swift'
    Target 'Futura' in project 'Futura.swift' (no dependencies)
GatherProvisioningInputs
CreateBuildDescription
ExecuteExternalTool /Applications/Xcode-26.0.0-Beta.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -v -E -dM -isysroot /Applications/Xcode-26.0.0-Beta.app/Contents/Developer/Platforms/XROS.platform/Developer/SDKs/XROS26.0.sdk -x c -c /dev/null
ExecuteExternalTool /Applications/Xcode-26.0.0-Beta.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swiftc --version
ExecuteExternalTool /Applications/Xcode-26.0.0-Beta.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/ld -version_details
Build description signature: 5e1edf5631ac417f737d9279e22a8511
Build description path: /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/XCBuildData/5e1edf5631ac417f737d9279e22a8511.xcbuilddata
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-26.0.0-Beta.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang-stat-cache /Applications/Xcode-26.0.0-Beta.app/Contents/Developer/Platforms/XROS.platform/Developer/SDKs/XROS26.0.sdk /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/xros26.0-23M5263k-63777232b7fc5220f33897c1cc69dbf5.sdkstatcache
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    /Applications/Xcode-26.0.0-Beta.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang-stat-cache /Applications/Xcode-26.0.0-Beta.app/Contents/Developer/Platforms/XROS.platform/Developer/SDKs/XROS26.0.sdk -o /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/xros26.0-23M5263k-63777232b7fc5220f33897c1cc69dbf5.sdkstatcache
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/Futura.swift.build/Debug-xros/Futura.build/Futura.modulemap (in target 'Futura' from project 'Futura.swift')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Futura.swift.build/Debug-xros/Futura.build/Futura.modulemap
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Futura.swift.build/Debug-xros/Futura.build/Futura.DependencyStaticMetadataFileList (in target 'Futura' from project 'Futura.swift')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Futura.swift.build/Debug-xros/Futura.build/Futura.DependencyStaticMetadataFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Futura.swift.build/Debug-xros/Futura.build/Futura.DependencyMetadataFileList (in target 'Futura' from project 'Futura.swift')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Futura.swift.build/Debug-xros/Futura.build/Futura.DependencyMetadataFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Futura.swift.build/Debug-xros/Futura.build/Objects-normal/arm64/Futura-OutputFileMap.json (in target 'Futura' from project 'Futura.swift')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Futura.swift.build/Debug-xros/Futura.build/Objects-normal/arm64/Futura-OutputFileMap.json
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Futura.swift.build/Debug-xros/Futura.build/Objects-normal/arm64/Futura.LinkFileList (in target 'Futura' from project 'Futura.swift')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Futura.swift.build/Debug-xros/Futura.build/Objects-normal/arm64/Futura.LinkFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Futura.swift.build/Debug-xros/Futura.build/Objects-normal/arm64/Futura.SwiftFileList (in target 'Futura' from project 'Futura.swift')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Futura.swift.build/Debug-xros/Futura.build/Objects-normal/arm64/Futura.SwiftFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Futura.swift.build/Debug-xros/Futura.build/Objects-normal/arm64/Futura_const_extract_protocols.json (in target 'Futura' from project 'Futura.swift')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Futura.swift.build/Debug-xros/Futura.build/Objects-normal/arm64/Futura_const_extract_protocols.json
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Futura.swift.build/Debug-xros/Futura.build/Objects-normal/arm64/Futura.SwiftConstValuesFileList (in target 'Futura' from project 'Futura.swift')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Futura.swift.build/Debug-xros/Futura.build/Objects-normal/arm64/Futura.SwiftConstValuesFileList
Copy /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/GeneratedModuleMaps-xros/Futura.modulemap /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Futura.swift.build/Debug-xros/Futura.build/Futura.modulemap (in target 'Futura' from project 'Futura.swift')
    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/Futura.swift.build/Debug-xros/Futura.build/Futura.modulemap /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/GeneratedModuleMaps-xros
SwiftDriver Futura normal arm64 com.apple.xcode.tools.swift.compiler (in target 'Futura' from project 'Futura.swift')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-SwiftDriver -- /Applications/Xcode-26.0.0-Beta.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swiftc -module-name Futura -Onone -enforce-exclusivity\=checked @/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Futura.swift.build/Debug-xros/Futura.build/Objects-normal/arm64/Futura.SwiftFileList -DSWIFT_PACKAGE -DDEBUG -DSWIFT_MODULE_RESOURCE_BUNDLE_UNAVAILABLE -DXcode -plugin-path /Applications/Xcode-26.0.0-Beta.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/plugins/testing -enable-experimental-feature DebugDescriptionMacro -sdk /Applications/Xcode-26.0.0-Beta.app/Contents/Developer/Platforms/XROS.platform/Developer/SDKs/XROS26.0.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 4.2 -I /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-xros -I /Applications/Xcode-26.0.0-Beta.app/Contents/Developer/Platforms/XROS.platform/Developer/usr/lib -F /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-xros -F /Applications/Xcode-26.0.0-Beta.app/Contents/Developer/Platforms/XROS.platform/Developer/Library/Frameworks -F /Applications/Xcode-26.0.0-Beta.app/Contents/Developer/Platforms/XROS.platform/Developer/SDKs/XROS26.0.sdk/Developer/Library/Frameworks -c -j10 -enable-batch-mode -incremental -Xcc -ivfsstatcache -Xcc /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/xros26.0-23M5263k-63777232b7fc5220f33897c1cc69dbf5.sdkstatcache -output-file-map /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Futura.swift.build/Debug-xros/Futura.build/Objects-normal/arm64/Futura-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/Futura.swift.build/Debug-xros/Futura.build/Objects-normal/arm64/Futura.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/Futura.swift.build/Debug-xros/Futura.build/swift-overrides.hmap -emit-const-values -Xfrontend -const-gather-protocols-file -Xfrontend /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Futura.swift.build/Debug-xros/Futura.build/Objects-normal/arm64/Futura_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/Futura.swift.build/Debug-xros/Futura.build/DerivedSources-normal/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Futura.swift.build/Debug-xros/Futura.build/DerivedSources/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Futura.swift.build/Debug-xros/Futura.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/Futura.swift.build/Debug-xros/Futura.build/Objects-normal/arm64/Futura-Swift.h -working-directory /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode -experimental-emit-module-separately -disable-cmo
SwiftCompile normal arm64 Compiling\ Future+Do.swift,\ Future+Map.swift /Users/admin/builder/spi-builder-workspace/Sources/Future+Do.swift /Users/admin/builder/spi-builder-workspace/Sources/Future+Map.swift (in target 'Futura' from project 'Futura.swift')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/Future+Do.swift (in target 'Futura' from project 'Futura.swift')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/Future+Map.swift (in target 'Futura' from project 'Futura.swift')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

SwiftCompile normal arm64 Compiling\ Callback.swift,\ Collection+Future.swift /Users/admin/builder/spi-builder-workspace/Sources/Callback.swift /Users/admin/builder/spi-builder-workspace/Sources/Collection+Future.swift (in target 'Futura' from project 'Futura.swift')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/Callback.swift (in target 'Futura' from project 'Futura.swift')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/Collection+Future.swift (in target 'Futura' from project 'Futura.swift')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

/Users/admin/builder/spi-builder-workspace/Sources/Collection+Future.swift:40:29: error: value of type 'Self' has no member 'containsOnly'
                    if self.containsOnly(where: { $0.state == .resolved }) {
                       ~~~~ ^~~~~~~~~~~~
/Users/admin/builder/spi-builder-workspace/Sources/Collection+Future.swift:40:64: error: cannot infer contextual base in reference to member 'resolved'
                    if self.containsOnly(where: { $0.state == .resolved }) {
                                                              ~^~~~~~~~
SwiftCompile normal arm64 Compiling\ Future+Wrap.swift,\ Future.swift /Users/admin/builder/spi-builder-workspace/Sources/Future+Wrap.swift /Users/admin/builder/spi-builder-workspace/Sources/Future.swift (in target 'Futura' from project 'Futura.swift')
Failed frontend command:
/Applications/Xcode-26.0.0-Beta.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swift-frontend -frontend -c /Users/admin/builder/spi-builder-workspace/Sources/Callback.swift /Users/admin/builder/spi-builder-workspace/Sources/Collection+Future.swift /Users/admin/builder/spi-builder-workspace/Sources/Either.swift /Users/admin/builder/spi-builder-workspace/Sources/Future+Always.swift /Users/admin/builder/spi-builder-workspace/Sources/Future+Do.swift /Users/admin/builder/spi-builder-workspace/Sources/Future+Map.swift /Users/admin/builder/spi-builder-workspace/Sources/Future+Race.swift /Users/admin/builder/spi-builder-workspace/Sources/Future+Recover.swift /Users/admin/builder/spi-builder-workspace/Sources/Future+Retry.swift /Users/admin/builder/spi-builder-workspace/Sources/Future+Time.swift /Users/admin/builder/spi-builder-workspace/Sources/Future+Validate.swift /Users/admin/builder/spi-builder-workspace/Sources/Future+Variadic.swift -primary-file /Users/admin/builder/spi-builder-workspace/Sources/Future+Wrap.swift -primary-file /Users/admin/builder/spi-builder-workspace/Sources/Future.swift /Users/admin/builder/spi-builder-workspace/Sources/FutureError.swift /Users/admin/builder/spi-builder-workspace/Sources/Promise+Void.swift /Users/admin/builder/spi-builder-workspace/Sources/Promise.swift -emit-dependencies-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Futura.swift.build/Debug-xros/Futura.build/Objects-normal/arm64/Future+Wrap.d -emit-const-values-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Futura.swift.build/Debug-xros/Futura.build/Objects-normal/arm64/Future+Wrap.swiftconstvalues -emit-reference-dependencies-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Futura.swift.build/Debug-xros/Futura.build/Objects-normal/arm64/Future+Wrap.swiftdeps -serialize-diagnostics-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Futura.swift.build/Debug-xros/Futura.build/Objects-normal/arm64/Future+Wrap.dia -emit-dependencies-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Futura.swift.build/Debug-xros/Futura.build/Objects-normal/arm64/Future.d -emit-const-values-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Futura.swift.build/Debug-xros/Futura.build/Objects-normal/arm64/Future.swiftconstvalues -emit-reference-dependencies-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Futura.swift.build/Debug-xros/Futura.build/Objects-normal/arm64/Future.swiftdeps -serialize-diagnostics-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Futura.swift.build/Debug-xros/Futura.build/Objects-normal/arm64/Future.dia -target arm64-apple-xros1.0 -Xllvm -aarch64-use-tbi -enable-objc-interop -stack-check -sdk /Applications/Xcode-26.0.0-Beta.app/Contents/Developer/Platforms/XROS.platform/Developer/SDKs/XROS26.0.sdk -I /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-xros -I /Applications/Xcode-26.0.0-Beta.app/Contents/Developer/Platforms/XROS.platform/Developer/usr/lib -F /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-xros -F /Applications/Xcode-26.0.0-Beta.app/Contents/Developer/Platforms/XROS.platform/Developer/Library/Frameworks -F /Applications/Xcode-26.0.0-Beta.app/Contents/Developer/Platforms/XROS.platform/Developer/SDKs/XROS26.0.sdk/Developer/Library/Frameworks -no-color-diagnostics -Xcc -fno-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 4.2 -enforce-exclusivity\=checked -Onone -D SWIFT_PACKAGE -D DEBUG -D SWIFT_MODULE_RESOURCE_BUNDLE_UNAVAILABLE -D Xcode -serialize-debugging-options -const-gather-protocols-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Futura.swift.build/Debug-xros/Futura.build/Objects-normal/arm64/Futura_const_extract_protocols.json -enable-experimental-feature DebugDescriptionMacro -empty-abi-descriptor -plugin-path /Applications/Xcode-26.0.0-Beta.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 -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/xros26.0-23M5263k-63777232b7fc5220f33897c1cc69dbf5.sdkstatcache -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Futura.swift.build/Debug-xros/Futura.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/Futura.swift.build/Debug-xros/Futura.build/DerivedSources-normal/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Futura.swift.build/Debug-xros/Futura.build/DerivedSources/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Futura.swift.build/Debug-xros/Futura.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG\=1 -no-auto-bridging-header-chaining -module-name Futura -frontend-parseable-output -disable-clang-spi -target-sdk-version 26.0 -target-sdk-name xros26.0 -external-plugin-path /Applications/Xcode-26.0.0-Beta.app/Contents/Developer/Platforms/XROS.platform/Developer/usr/lib/swift/host/plugins\#/Applications/Xcode-26.0.0-Beta.app/Contents/Developer/Platforms/XROS.platform/Developer/usr/bin/swift-plugin-server -external-plugin-path /Applications/Xcode-26.0.0-Beta.app/Contents/Developer/Platforms/XROS.platform/Developer/usr/local/lib/swift/host/plugins\#/Applications/Xcode-26.0.0-Beta.app/Contents/Developer/Platforms/XROS.platform/Developer/usr/bin/swift-plugin-server -in-process-plugin-server-path /Applications/Xcode-26.0.0-Beta.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/libSwiftInProcPluginServer.dylib -plugin-path /Applications/Xcode-26.0.0-Beta.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/plugins -plugin-path /Applications/Xcode-26.0.0-Beta.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/local/lib/swift/host/plugins -o /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Futura.swift.build/Debug-xros/Futura.build/Objects-normal/arm64/Future+Wrap.o -o /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Futura.swift.build/Debug-xros/Futura.build/Objects-normal/arm64/Future.o -index-unit-output-path /Futura.swift.build/Debug-xros/Futura.build/Objects-normal/arm64/Future+Wrap.o -index-unit-output-path /Futura.swift.build/Debug-xros/Futura.build/Objects-normal/arm64/Future.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/Future+Wrap.swift (in target 'Futura' from project 'Futura.swift')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

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

/Users/admin/builder/spi-builder-workspace/Sources/Future.swift:86:16: error: value of optional type 'Value??' not unwrapped; did you mean to use 'try!' or chain with '?'?
        return try? result?.get()
               ^~~~
               try!
SwiftCompile normal arm64 Compiling\ Future+Race.swift,\ Future+Recover.swift /Users/admin/builder/spi-builder-workspace/Sources/Future+Race.swift /Users/admin/builder/spi-builder-workspace/Sources/Future+Recover.swift (in target 'Futura' from project 'Futura.swift')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/Future+Race.swift (in target 'Futura' from project 'Futura.swift')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/Future+Recover.swift (in target 'Futura' from project 'Futura.swift')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

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

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

SwiftCompile normal arm64 Compiling\ Either.swift,\ Future+Always.swift /Users/admin/builder/spi-builder-workspace/Sources/Either.swift /Users/admin/builder/spi-builder-workspace/Sources/Future+Always.swift (in target 'Futura' from project 'Futura.swift')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/Either.swift (in target 'Futura' from project 'Futura.swift')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/Future+Always.swift (in target 'Futura' from project 'Futura.swift')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

SwiftCompile normal arm64 Compiling\ Future+Validate.swift,\ Future+Variadic.swift /Users/admin/builder/spi-builder-workspace/Sources/Future+Validate.swift /Users/admin/builder/spi-builder-workspace/Sources/Future+Variadic.swift (in target 'Futura' from project 'Futura.swift')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/Future+Validate.swift (in target 'Futura' from project 'Futura.swift')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/Future+Variadic.swift (in target 'Futura' from project 'Futura.swift')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

/Users/admin/builder/spi-builder-workspace/Sources/Future+Variadic.swift:16:28: warning: generic parameter 'Value' shadows generic parameter from outer scope with the same name; this is an error in the Swift 6 language mode
    public static func all<Value>(_ futures: [Future<Value>]) -> Future<[Value]> {
                           ^
/Users/admin/builder/spi-builder-workspace/Sources/Future.swift:45:21: note: 'Value' previously declared here
public class Future<Value>: FutureType {
                    ^
/Users/admin/builder/spi-builder-workspace/Sources/Future+Variadic.swift:37:28: warning: generic parameter 'Value' shadows generic parameter from outer scope with the same name; this is an error in the Swift 6 language mode
    public static func all<Value>(_ futures: Future<Value>...) -> Future<[Value]> {
                           ^
/Users/admin/builder/spi-builder-workspace/Sources/Future.swift:45:21: note: 'Value' previously declared here
public class Future<Value>: FutureType {
                    ^
/Users/admin/builder/spi-builder-workspace/Sources/Future+Variadic.swift:23:32: error: value of type '[Future<Value>]' has no member 'containsOnly'
                    if futures.containsOnly(where: { $0.state == .resolved }) {
                       ~~~~~~~ ^~~~~~~~~~~~
/Users/admin/builder/spi-builder-workspace/Sources/Future+Variadic.swift:23:67: error: cannot infer contextual base in reference to member 'resolved'
                    if futures.containsOnly(where: { $0.state == .resolved }) {
                                                                 ~^~~~~~~~
SwiftCompile normal arm64 Compiling\ Future+Retry.swift,\ Future+Time.swift /Users/admin/builder/spi-builder-workspace/Sources/Future+Retry.swift /Users/admin/builder/spi-builder-workspace/Sources/Future+Time.swift (in target 'Futura' from project 'Futura.swift')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/Future+Retry.swift (in target 'Futura' from project 'Futura.swift')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

/Users/admin/builder/spi-builder-workspace/Sources/Future+Retry.swift:21:23: warning: generic parameter 'Value' shadows generic parameter from outer scope with the same name; this is an error in the Swift 6 language mode
    public func retry<Value>(attempts: Int, delay delayTime: TimeInterval = 0, retryBody: @escaping () -> Future<Value>) -> Future<Value> {
                      ^
/Users/admin/builder/spi-builder-workspace/Sources/Future.swift:45:21: note: 'Value' previously declared here
public class Future<Value>: FutureType {
                    ^
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/Future+Time.swift (in target 'Futura' from project 'Futura.swift')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

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

SwiftEmitModule normal arm64 Emitting\ module\ for\ Futura (in target 'Futura' from project 'Futura.swift')
SwiftDriverJobDiscovery normal arm64 Compiling Promise.swift (in target 'Futura' from project 'Futura.swift')
SwiftDriverJobDiscovery normal arm64 Compiling FutureError.swift (in target 'Futura' from project 'Futura.swift')
** BUILD FAILED **
The following build commands failed:
	SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/Collection+Future.swift (in target 'Futura' from project 'Futura.swift')
	SwiftCompile normal arm64 Compiling\ Future+Wrap.swift,\ Future.swift /Users/admin/builder/spi-builder-workspace/Sources/Future+Wrap.swift /Users/admin/builder/spi-builder-workspace/Sources/Future.swift (in target 'Futura' from project 'Futura.swift')
	SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/Future.swift (in target 'Futura' from project 'Futura.swift')
	SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/Future+Variadic.swift (in target 'Futura' from project 'Futura.swift')
	Building workspace spi-builder-workspace with scheme Futura.swift
(5 failures)
Command line invocation:
    /Applications/Xcode-26.0.0-Beta.app/Contents/Developer/usr/bin/xcodebuild -IDEClonedSourcePackagesDirPathOverride=/Users/admin/builder/spi-builder-workspace/.dependencies -resolvePackageDependencies
Resolve Package Graph
Resolved source packages:
  Futura.swift: /Users/admin/builder/spi-builder-workspace
resolved source packages: Futura.swift
{
  "dependencies" : [
  ],
  "manifest_display_name" : "Futura.swift",
  "name" : "Futura.swift",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
  ],
  "products" : [
    {
      "name" : "Futura",
      "targets" : [
        "Futura"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "FuturaTests",
      "module_type" : "SwiftTarget",
      "name" : "FuturaTests",
      "path" : "Tests",
      "sources" : [
        "FutureTests+Always.swift",
        "FutureTests+Collection.swift",
        "FutureTests+Do.swift",
        "FutureTests+Init.swift",
        "FutureTests+Map.swift",
        "FutureTests+Race.swift",
        "FutureTests+Recover.swift",
        "FutureTests+Retry.swift",
        "FutureTests+Time.swift",
        "FutureTests+Validate.swift",
        "FutureTests+Variadic.swift",
        "FutureTests+Wrap.swift",
        "TestHelpers.swift"
      ],
      "target_dependencies" : [
        "Futura"
      ],
      "type" : "test"
    },
    {
      "c99name" : "Futura",
      "module_type" : "SwiftTarget",
      "name" : "Futura",
      "path" : "Sources",
      "product_memberships" : [
        "Futura"
      ],
      "sources" : [
        "Callback.swift",
        "Collection+Future.swift",
        "Either.swift",
        "Future+Always.swift",
        "Future+Do.swift",
        "Future+Map.swift",
        "Future+Race.swift",
        "Future+Recover.swift",
        "Future+Retry.swift",
        "Future+Time.swift",
        "Future+Validate.swift",
        "Future+Variadic.swift",
        "Future+Wrap.swift",
        "Future.swift",
        "FutureError.swift",
        "Promise+Void.swift",
        "Promise.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "4.2"
}
{
  "workspace" : {
    "name" : "spi-builder-workspace",
    "schemes" : [
      "Futura.swift"
    ]
  }
}
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-26.0.0-Beta.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme Futura.swift -destination generic/platform=xrOS
Command line invocation:
    /Applications/Xcode-26.0.0-Beta.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 Futura.swift -destination generic/platform=xrOS
Resolve Package Graph
Resolved source packages:
  Futura.swift: /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 'Futura' in project 'Futura.swift'
        ➜ Explicit dependency on target 'Futura' in project 'Futura.swift'
    Target 'Futura' in project 'Futura.swift' (no dependencies)
GatherProvisioningInputs
CreateBuildDescription
ClangStatCache /Applications/Xcode-26.0.0-Beta.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang-stat-cache /Applications/Xcode-26.0.0-Beta.app/Contents/Developer/Platforms/XROS.platform/Developer/SDKs/XROS26.0.sdk /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/xros26.0-23M5263k-63777232b7fc5220f33897c1cc69dbf5.sdkstatcache
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    /Applications/Xcode-26.0.0-Beta.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang-stat-cache /Applications/Xcode-26.0.0-Beta.app/Contents/Developer/Platforms/XROS.platform/Developer/SDKs/XROS26.0.sdk -o /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/xros26.0-23M5263k-63777232b7fc5220f33897c1cc69dbf5.sdkstatcache
SwiftDriver Futura normal arm64 com.apple.xcode.tools.swift.compiler (in target 'Futura' from project 'Futura.swift')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-SwiftDriver -- /Applications/Xcode-26.0.0-Beta.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swiftc -module-name Futura -Onone -enforce-exclusivity\=checked @/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Futura.swift.build/Debug-xros/Futura.build/Objects-normal/arm64/Futura.SwiftFileList -DSWIFT_PACKAGE -DDEBUG -DSWIFT_MODULE_RESOURCE_BUNDLE_UNAVAILABLE -DXcode -plugin-path /Applications/Xcode-26.0.0-Beta.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/plugins/testing -enable-experimental-feature DebugDescriptionMacro -sdk /Applications/Xcode-26.0.0-Beta.app/Contents/Developer/Platforms/XROS.platform/Developer/SDKs/XROS26.0.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 4.2 -I /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-xros -I /Applications/Xcode-26.0.0-Beta.app/Contents/Developer/Platforms/XROS.platform/Developer/usr/lib -F /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-xros -F /Applications/Xcode-26.0.0-Beta.app/Contents/Developer/Platforms/XROS.platform/Developer/Library/Frameworks -F /Applications/Xcode-26.0.0-Beta.app/Contents/Developer/Platforms/XROS.platform/Developer/SDKs/XROS26.0.sdk/Developer/Library/Frameworks -c -j10 -enable-batch-mode -incremental -Xcc -ivfsstatcache -Xcc /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/xros26.0-23M5263k-63777232b7fc5220f33897c1cc69dbf5.sdkstatcache -output-file-map /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Futura.swift.build/Debug-xros/Futura.build/Objects-normal/arm64/Futura-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/Futura.swift.build/Debug-xros/Futura.build/Objects-normal/arm64/Futura.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/Futura.swift.build/Debug-xros/Futura.build/swift-overrides.hmap -emit-const-values -Xfrontend -const-gather-protocols-file -Xfrontend /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Futura.swift.build/Debug-xros/Futura.build/Objects-normal/arm64/Futura_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/Futura.swift.build/Debug-xros/Futura.build/DerivedSources-normal/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Futura.swift.build/Debug-xros/Futura.build/DerivedSources/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Futura.swift.build/Debug-xros/Futura.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/Futura.swift.build/Debug-xros/Futura.build/Objects-normal/arm64/Futura-Swift.h -working-directory /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode -experimental-emit-module-separately -disable-cmo
SwiftCompile normal arm64 Compiling\ Future+Do.swift,\ Future+Map.swift /Users/admin/builder/spi-builder-workspace/Sources/Future+Do.swift /Users/admin/builder/spi-builder-workspace/Sources/Future+Map.swift (in target 'Futura' from project 'Futura.swift')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/Future+Do.swift (in target 'Futura' from project 'Futura.swift')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/Future+Map.swift (in target 'Futura' from project 'Futura.swift')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

SwiftCompile normal arm64 Compiling\ Callback.swift,\ Collection+Future.swift /Users/admin/builder/spi-builder-workspace/Sources/Callback.swift /Users/admin/builder/spi-builder-workspace/Sources/Collection+Future.swift (in target 'Futura' from project 'Futura.swift')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/Callback.swift (in target 'Futura' from project 'Futura.swift')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/Collection+Future.swift (in target 'Futura' from project 'Futura.swift')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

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

SwiftCompile normal arm64 Compiling\ Future+Race.swift,\ Future+Recover.swift /Users/admin/builder/spi-builder-workspace/Sources/Future+Race.swift /Users/admin/builder/spi-builder-workspace/Sources/Future+Recover.swift (in target 'Futura' from project 'Futura.swift')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/Future+Race.swift (in target 'Futura' from project 'Futura.swift')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/Future+Recover.swift (in target 'Futura' from project 'Futura.swift')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

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

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

SwiftCompile normal arm64 Compiling\ Future.swift /Users/admin/builder/spi-builder-workspace/Sources/Future.swift (in target 'Futura' from project 'Futura.swift')
Failed frontend command:
/Applications/Xcode-26.0.0-Beta.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swift-frontend -frontend -c /Users/admin/builder/spi-builder-workspace/Sources/Callback.swift /Users/admin/builder/spi-builder-workspace/Sources/Collection+Future.swift /Users/admin/builder/spi-builder-workspace/Sources/Either.swift /Users/admin/builder/spi-builder-workspace/Sources/Future+Always.swift /Users/admin/builder/spi-builder-workspace/Sources/Future+Do.swift /Users/admin/builder/spi-builder-workspace/Sources/Future+Map.swift /Users/admin/builder/spi-builder-workspace/Sources/Future+Race.swift /Users/admin/builder/spi-builder-workspace/Sources/Future+Recover.swift /Users/admin/builder/spi-builder-workspace/Sources/Future+Retry.swift /Users/admin/builder/spi-builder-workspace/Sources/Future+Time.swift /Users/admin/builder/spi-builder-workspace/Sources/Future+Validate.swift /Users/admin/builder/spi-builder-workspace/Sources/Future+Variadic.swift /Users/admin/builder/spi-builder-workspace/Sources/Future+Wrap.swift -primary-file /Users/admin/builder/spi-builder-workspace/Sources/Future.swift /Users/admin/builder/spi-builder-workspace/Sources/FutureError.swift /Users/admin/builder/spi-builder-workspace/Sources/Promise+Void.swift /Users/admin/builder/spi-builder-workspace/Sources/Promise.swift -emit-dependencies-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Futura.swift.build/Debug-xros/Futura.build/Objects-normal/arm64/Future.d -emit-const-values-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Futura.swift.build/Debug-xros/Futura.build/Objects-normal/arm64/Future.swiftconstvalues -emit-reference-dependencies-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Futura.swift.build/Debug-xros/Futura.build/Objects-normal/arm64/Future.swiftdeps -serialize-diagnostics-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Futura.swift.build/Debug-xros/Futura.build/Objects-normal/arm64/Future.dia -target arm64-apple-xros1.0 -Xllvm -aarch64-use-tbi -enable-objc-interop -stack-check -sdk /Applications/Xcode-26.0.0-Beta.app/Contents/Developer/Platforms/XROS.platform/Developer/SDKs/XROS26.0.sdk -I /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-xros -I /Applications/Xcode-26.0.0-Beta.app/Contents/Developer/Platforms/XROS.platform/Developer/usr/lib -F /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-xros -F /Applications/Xcode-26.0.0-Beta.app/Contents/Developer/Platforms/XROS.platform/Developer/Library/Frameworks -F /Applications/Xcode-26.0.0-Beta.app/Contents/Developer/Platforms/XROS.platform/Developer/SDKs/XROS26.0.sdk/Developer/Library/Frameworks -no-color-diagnostics -Xcc -fno-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 4.2 -enforce-exclusivity\=checked -Onone -D SWIFT_PACKAGE -D DEBUG -D SWIFT_MODULE_RESOURCE_BUNDLE_UNAVAILABLE -D Xcode -serialize-debugging-options -const-gather-protocols-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Futura.swift.build/Debug-xros/Futura.build/Objects-normal/arm64/Futura_const_extract_protocols.json -enable-experimental-feature DebugDescriptionMacro -empty-abi-descriptor -plugin-path /Applications/Xcode-26.0.0-Beta.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 -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/xros26.0-23M5263k-63777232b7fc5220f33897c1cc69dbf5.sdkstatcache -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Futura.swift.build/Debug-xros/Futura.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/Futura.swift.build/Debug-xros/Futura.build/DerivedSources-normal/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Futura.swift.build/Debug-xros/Futura.build/DerivedSources/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Futura.swift.build/Debug-xros/Futura.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG\=1 -no-auto-bridging-header-chaining -module-name Futura -frontend-parseable-output -disable-clang-spi -target-sdk-version 26.0 -target-sdk-name xros26.0 -external-plugin-path /Applications/Xcode-26.0.0-Beta.app/Contents/Developer/Platforms/XROS.platform/Developer/usr/lib/swift/host/plugins\#/Applications/Xcode-26.0.0-Beta.app/Contents/Developer/Platforms/XROS.platform/Developer/usr/bin/swift-plugin-server -external-plugin-path /Applications/Xcode-26.0.0-Beta.app/Contents/Developer/Platforms/XROS.platform/Developer/usr/local/lib/swift/host/plugins\#/Applications/Xcode-26.0.0-Beta.app/Contents/Developer/Platforms/XROS.platform/Developer/usr/bin/swift-plugin-server -in-process-plugin-server-path /Applications/Xcode-26.0.0-Beta.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/libSwiftInProcPluginServer.dylib -plugin-path /Applications/Xcode-26.0.0-Beta.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/plugins -plugin-path /Applications/Xcode-26.0.0-Beta.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/local/lib/swift/host/plugins -o /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Futura.swift.build/Debug-xros/Futura.build/Objects-normal/arm64/Future.o -index-unit-output-path /Futura.swift.build/Debug-xros/Futura.build/Objects-normal/arm64/Future.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/Future.swift (in target 'Futura' from project 'Futura.swift')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

/Users/admin/builder/spi-builder-workspace/Sources/Future.swift:86:16: error: value of optional type 'Value??' not unwrapped; did you mean to use 'try!' or chain with '?'?
        return try? result?.get()
               ^~~~
               try!
SwiftCompile normal arm64 Compiling\ Either.swift,\ Future+Always.swift /Users/admin/builder/spi-builder-workspace/Sources/Either.swift /Users/admin/builder/spi-builder-workspace/Sources/Future+Always.swift (in target 'Futura' from project 'Futura.swift')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/Either.swift (in target 'Futura' from project 'Futura.swift')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/Future+Always.swift (in target 'Futura' from project 'Futura.swift')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

SwiftEmitModule normal arm64 Emitting\ module\ for\ Futura (in target 'Futura' from project 'Futura.swift')
EmitSwiftModule normal arm64 (in target 'Futura' from project 'Futura.swift')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

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

SwiftCompile normal arm64 Compiling\ Future+Retry.swift,\ Future+Time.swift /Users/admin/builder/spi-builder-workspace/Sources/Future+Retry.swift /Users/admin/builder/spi-builder-workspace/Sources/Future+Time.swift (in target 'Futura' from project 'Futura.swift')
SwiftDriverJobDiscovery normal arm64 Compiling Future+Do.swift, Future+Map.swift (in target 'Futura' from project 'Futura.swift')
SwiftDriverJobDiscovery normal arm64 Compiling Either.swift, Future+Always.swift (in target 'Futura' from project 'Futura.swift')
SwiftDriverJobDiscovery normal arm64 Compiling Future+Wrap.swift (in target 'Futura' from project 'Futura.swift')
SwiftDriverJobDiscovery normal arm64 Compiling Promise+Void.swift (in target 'Futura' from project 'Futura.swift')
SwiftDriverJobDiscovery normal arm64 Compiling Future+Validate.swift (in target 'Futura' from project 'Futura.swift')
SwiftDriverJobDiscovery normal arm64 Compiling Future+Race.swift, Future+Recover.swift (in target 'Futura' from project 'Futura.swift')
** BUILD FAILED **
The following build commands failed:
	SwiftCompile normal arm64 Compiling\ Future.swift /Users/admin/builder/spi-builder-workspace/Sources/Future.swift (in target 'Futura' from project 'Futura.swift')
	SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/Future.swift (in target 'Futura' from project 'Futura.swift')
	Building workspace spi-builder-workspace with scheme Futura.swift
(3 failures)
BUILD FAILURE 6.2 visionOS