Futura.swift – Build Information

Build Information

Failed to build Futura.swift, reference master (1dd68c), with Swift 6.2 for macOS (Xcode) using Xcode 26.3 on 17 Jun 2025 11:59:21 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 platform=macOS,arch=arm64

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:         macosXcodebuild
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 platform=macOS,arch=arm64
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 platform=macOS,arch=arm64
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/MacOSX.platform/Developer/SDKs/MacOSX26.0.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: 4643753a9e9dd9cbbbd195ab892ad605
Build description path: /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/XCBuildData/4643753a9e9dd9cbbbd195ab892ad605.xcbuilddata
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/MacOSX.platform/Developer/SDKs/MacOSX26.0.sdk /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/macosx26.0-25A5279m-f7c1d129d9d5414f2afbbad1fd6fd62e.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/MacOSX.platform/Developer/SDKs/MacOSX26.0.sdk -o /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/macosx26.0-25A5279m-f7c1d129d9d5414f2afbbad1fd6fd62e.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
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-create-build-directory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug
CreateBuildDirectory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/EagerLinkingTBDs/Debug
    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
CreateBuildDirectory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug/PackageFrameworks
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-create-build-directory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug/PackageFrameworks
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Futura.swift.build/Debug/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/Futura.build/Futura.DependencyStaticMetadataFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Futura.swift.build/Debug/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/Futura.build/Futura.modulemap
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Futura.swift.build/Debug/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/Futura.build/Futura.DependencyMetadataFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Futura.swift.build/Debug/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/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/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/Futura.build/Objects-normal/arm64/Futura.SwiftFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Futura.swift.build/Debug/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/Futura.build/Objects-normal/arm64/Futura-OutputFileMap.json
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Futura.swift.build/Debug/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/Futura.build/Objects-normal/arm64/Futura.LinkFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Futura.swift.build/Debug/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/Futura.build/Objects-normal/arm64/Futura.SwiftConstValuesFileList
Copy /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/GeneratedModuleMaps/Futura.modulemap /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Futura.swift.build/Debug/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/Futura.build/Futura.modulemap /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/GeneratedModuleMaps
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/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/MacOSX.platform/Developer/SDKs/MacOSX26.0.sdk -target arm64-apple-macos10.13 -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 -I /Applications/Xcode-26.0.0-Beta.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/lib -F /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug -F /Applications/Xcode-26.0.0-Beta.app/Contents/Developer/Platforms/MacOSX.platform/Developer/Library/Frameworks -c -j10 -enable-batch-mode -incremental -Xcc -ivfsstatcache -Xcc /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/macosx26.0-25A5279m-f7c1d129d9d5414f2afbbad1fd6fd62e.sdkstatcache -output-file-map /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Futura.swift.build/Debug/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/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/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/Futura.build/Objects-normal/arm64/Futura_const_extract_protocols.json -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug/include -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Futura.swift.build/Debug/Futura.build/DerivedSources-normal/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Futura.swift.build/Debug/Futura.build/DerivedSources/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Futura.swift.build/Debug/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/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\ 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\ 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

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

/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 {
                    ^
/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 {
                    ^
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

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+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\ 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')
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\ 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/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/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/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/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/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/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/Futura.build/Objects-normal/arm64/Future.swiftdeps -serialize-diagnostics-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Futura.swift.build/Debug/Futura.build/Objects-normal/arm64/Future.dia -target arm64-apple-macos10.13 -Xllvm -aarch64-use-tbi -enable-objc-interop -sdk /Applications/Xcode-26.0.0-Beta.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX26.0.sdk -I /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug -I /Applications/Xcode-26.0.0-Beta.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/lib -F /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug -F /Applications/Xcode-26.0.0-Beta.app/Contents/Developer/Platforms/MacOSX.platform/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/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/macosx26.0-25A5279m-f7c1d129d9d5414f2afbbad1fd6fd62e.sdkstatcache -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Futura.swift.build/Debug/Futura.build/swift-overrides.hmap -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug/include -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Futura.swift.build/Debug/Futura.build/DerivedSources-normal/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Futura.swift.build/Debug/Futura.build/DerivedSources/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Futura.swift.build/Debug/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 macosx26.0 -external-plugin-path /Applications/Xcode-26.0.0-Beta.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/lib/swift/host/plugins\#/Applications/Xcode-26.0.0-Beta.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/bin/swift-plugin-server -external-plugin-path /Applications/Xcode-26.0.0-Beta.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/local/lib/swift/host/plugins\#/Applications/Xcode-26.0.0-Beta.app/Contents/Developer/Platforms/MacOSX.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/Futura.build/Objects-normal/arm64/Future+Wrap.o -o /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Futura.swift.build/Debug/Futura.build/Objects-normal/arm64/Future.o -index-unit-output-path /Futura.swift.build/Debug/Futura.build/Objects-normal/arm64/Future+Wrap.o -index-unit-output-path /Futura.swift.build/Debug/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!
SwiftDriverJobDiscovery normal arm64 Emitting module for Futura (in target 'Futura' from project 'Futura.swift')
SwiftDriver\ Compilation\ Requirements 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-Swift-Compilation-Requirements -- /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/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/MacOSX.platform/Developer/SDKs/MacOSX26.0.sdk -target arm64-apple-macos10.13 -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 -I /Applications/Xcode-26.0.0-Beta.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/lib -F /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug -F /Applications/Xcode-26.0.0-Beta.app/Contents/Developer/Platforms/MacOSX.platform/Developer/Library/Frameworks -c -j10 -enable-batch-mode -incremental -Xcc -ivfsstatcache -Xcc /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/macosx26.0-25A5279m-f7c1d129d9d5414f2afbbad1fd6fd62e.sdkstatcache -output-file-map /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Futura.swift.build/Debug/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/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/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/Futura.build/Objects-normal/arm64/Futura_const_extract_protocols.json -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug/include -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Futura.swift.build/Debug/Futura.build/DerivedSources-normal/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Futura.swift.build/Debug/Futura.build/DerivedSources/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Futura.swift.build/Debug/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/Futura.build/Objects-normal/arm64/Futura-Swift.h -working-directory /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode -experimental-emit-module-separately -disable-cmo
--- xcodebuild: WARNING: Using the first of multiple matching destinations:
{ platform:macOS, arch:arm64, id:a60310b8f53478b765d22635bbe5ae72b780033d, name:My Mac }
{ platform:macOS, arch:arm64, variant:Mac Catalyst, id:a60310b8f53478b765d22635bbe5ae72b780033d, name:My Mac }
{ platform:macOS, arch:arm64, variant:DriverKit, id:a60310b8f53478b765d22635bbe5ae72b780033d, name:My Mac }
{ platform:macOS, arch:arm64, variant:Designed for [iPad,iPhone], id:a60310b8f53478b765d22635bbe5ae72b780033d, name:My Mac }
** 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 /Users/admin/builder/spi-builder-workspace/Sources/Future+Variadic.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')
	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 platform=macOS,arch=arm64
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 platform=macOS,arch=arm64
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/MacOSX.platform/Developer/SDKs/MacOSX26.0.sdk /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/macosx26.0-25A5279m-f7c1d129d9d5414f2afbbad1fd6fd62e.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/MacOSX.platform/Developer/SDKs/MacOSX26.0.sdk -o /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/macosx26.0-25A5279m-f7c1d129d9d5414f2afbbad1fd6fd62e.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/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/MacOSX.platform/Developer/SDKs/MacOSX26.0.sdk -target arm64-apple-macos10.13 -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 -I /Applications/Xcode-26.0.0-Beta.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/lib -F /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug -F /Applications/Xcode-26.0.0-Beta.app/Contents/Developer/Platforms/MacOSX.platform/Developer/Library/Frameworks -c -j10 -enable-batch-mode -incremental -Xcc -ivfsstatcache -Xcc /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/macosx26.0-25A5279m-f7c1d129d9d5414f2afbbad1fd6fd62e.sdkstatcache -output-file-map /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Futura.swift.build/Debug/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/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/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/Futura.build/Objects-normal/arm64/Futura_const_extract_protocols.json -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug/include -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Futura.swift.build/Debug/Futura.build/DerivedSources-normal/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Futura.swift.build/Debug/Futura.build/DerivedSources/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Futura.swift.build/Debug/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/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\ 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+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\ 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

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\ 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\ 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

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+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/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/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/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/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/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/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/Futura.build/Objects-normal/arm64/Future.swiftdeps -serialize-diagnostics-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Futura.swift.build/Debug/Futura.build/Objects-normal/arm64/Future.dia -target arm64-apple-macos10.13 -Xllvm -aarch64-use-tbi -enable-objc-interop -sdk /Applications/Xcode-26.0.0-Beta.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX26.0.sdk -I /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug -I /Applications/Xcode-26.0.0-Beta.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/lib -F /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug -F /Applications/Xcode-26.0.0-Beta.app/Contents/Developer/Platforms/MacOSX.platform/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/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/macosx26.0-25A5279m-f7c1d129d9d5414f2afbbad1fd6fd62e.sdkstatcache -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Futura.swift.build/Debug/Futura.build/swift-overrides.hmap -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug/include -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Futura.swift.build/Debug/Futura.build/DerivedSources-normal/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Futura.swift.build/Debug/Futura.build/DerivedSources/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Futura.swift.build/Debug/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 macosx26.0 -external-plugin-path /Applications/Xcode-26.0.0-Beta.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/lib/swift/host/plugins\#/Applications/Xcode-26.0.0-Beta.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/bin/swift-plugin-server -external-plugin-path /Applications/Xcode-26.0.0-Beta.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/local/lib/swift/host/plugins\#/Applications/Xcode-26.0.0-Beta.app/Contents/Developer/Platforms/MacOSX.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/Futura.build/Objects-normal/arm64/Future+Wrap.o -o /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Futura.swift.build/Debug/Futura.build/Objects-normal/arm64/Future.o -index-unit-output-path /Futura.swift.build/Debug/Futura.build/Objects-normal/arm64/Future+Wrap.o -index-unit-output-path /Futura.swift.build/Debug/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!
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.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

SwiftCompile normal arm64 Compiling\ Promise+Void.swift /Users/admin/builder/spi-builder-workspace/Sources/Promise+Void.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+Do.swift, Future+Map.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')
--- xcodebuild: WARNING: Using the first of multiple matching destinations:
{ platform:macOS, arch:arm64, id:a60310b8f53478b765d22635bbe5ae72b780033d, name:My Mac }
{ platform:macOS, arch:arm64, variant:Mac Catalyst, id:a60310b8f53478b765d22635bbe5ae72b780033d, name:My Mac }
{ platform:macOS, arch:arm64, variant:DriverKit, id:a60310b8f53478b765d22635bbe5ae72b780033d, name:My Mac }
{ platform:macOS, arch:arm64, variant:Designed for [iPad,iPhone], id:a60310b8f53478b765d22635bbe5ae72b780033d, name:My Mac }
** BUILD FAILED **
The following build commands failed:
	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')
	Building workspace spi-builder-workspace with scheme Futura.swift
(3 failures)
BUILD FAILURE 6.2 macosXcodebuild