Swift Package IndexBuild Information
Failed to build Promise, reference main (82e62b), with Swift 6.3 for iOS using Xcode 26.4 on 16 Apr 2026 13:15:50 UTC.
Build Command
env DEVELOPER_DIR=/Applications/Xcode-26.4.0.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme Promise -destination generic/platform=iOSBuild Log
========================================
RunAll
========================================
Builder version: 4.70.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/ObuchiYuki/Promise.git
Reference: main
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/ObuchiYuki/Promise
* branch main -> FETCH_HEAD
* [new branch] main -> origin/main
HEAD is now at 82e62be add comments
Cloned https://github.com/ObuchiYuki/Promise.git
Revision (git rev-parse @):
82e62beb54a8d091036c43dbca3d19f992b579b6
SUCCESS checkout https://github.com/ObuchiYuki/Promise.git at main
========================================
Build
========================================
Selected platform: iOS
Swift version: 6.3
Building package at path: $PWD
https://github.com/ObuchiYuki/Promise.git
Command line invocation:
/Applications/Xcode-26.4.0.app/Contents/Developer/usr/bin/xcodebuild -IDEClonedSourcePackagesDirPathOverride=/Users/admin/builder/spi-builder-workspace/.dependencies -resolvePackageDependencies
Resolve Package Graph
Fetching from https://github.com/apple/swift-docc-plugin
Fetching from https://github.com/swiftlang/swift-docc-symbolkit
Creating working copy of package ‘swift-docc-plugin’
Checking out 1.4.6 of package ‘swift-docc-plugin’
Creating working copy of package ‘swift-docc-symbolkit’
Checking out 1.0.0 of package ‘swift-docc-symbolkit’
Resolve Package Graph
Resolved source packages:
SymbolKit: https://github.com/swiftlang/swift-docc-symbolkit @ 1.0.0
SwiftDocCPlugin: https://github.com/apple/swift-docc-plugin @ 1.4.6
Promise: /Users/admin/builder/spi-builder-workspace
resolved source packages: SymbolKit, SwiftDocCPlugin, Promise
2026-04-16 09:14:22.943 xcodebuild[529:3077] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
2026-04-16 09:14:23.039 xcodebuild[529:3077] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
2026-04-16 09:14:23.470 xcodebuild[529:3077] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
{
"dependencies" : [
{
"identity" : "swift-docc-plugin",
"requirement" : {
"range" : [
{
"lower_bound" : "1.4.5",
"upper_bound" : "2.0.0"
}
]
},
"type" : "sourceControl",
"url" : "https://github.com/apple/swift-docc-plugin"
}
],
"manifest_display_name" : "Promise",
"name" : "Promise",
"path" : "/Users/admin/builder/spi-builder-workspace",
"platforms" : [
{
"name" : "ios",
"version" : "12.0"
},
{
"name" : "macos",
"version" : "10.15"
},
{
"name" : "tvos",
"version" : "12.0"
},
{
"name" : "watchos",
"version" : "4.0"
}
],
"products" : [
{
"name" : "Promise",
"targets" : [
"Promise"
],
"type" : {
"library" : [
"automatic"
]
}
}
],
"targets" : [
{
"c99name" : "PromiseTests",
"module_type" : "SwiftTarget",
"name" : "PromiseTests",
"path" : "Tests/PromiseTests",
"sources" : [
"Promise+Test.swift",
"PromiseCombinationTests.swift",
"PromiseConcurrencyTests.swift",
"PromiseDeinitTests.swift",
"PromiseMultithreadTests.swift",
"PromiseOperatorTests.swift",
"PromisePublisherTests.swift",
"XCTestManifests.swift"
],
"target_dependencies" : [
"Promise"
],
"type" : "test"
},
{
"c99name" : "Promise",
"module_type" : "SwiftTarget",
"name" : "Promise",
"path" : "Sources/Promise",
"product_memberships" : [
"Promise"
],
"sources" : [
"Ex+Foundation/Promise+GCD.swift",
"Ex+Foundation/Promise+MeasureInterval.swift",
"Ex+Foundation/Promise+Timeout.swift",
"Ex+Foundation/Promise+URLSession.swift",
"Ex+Foundation/Promise+Wait.swift",
"Ex+Swift/Promise+Combine.swift",
"Ex+Swift/Promise+Concurrency.swift",
"Lock.swift",
"Promise+Cancel.swift",
"Promise+Combination.swift",
"Promise+Debug.swift",
"Promise+Init.swift",
"Promise+Operators.swift",
"Promise+OptionalResolve.swift",
"Promise+Util.swift",
"Promise.swift"
],
"type" : "library"
}
],
"tools_version" : "6.0"
}
{
"workspace" : {
"name" : "spi-builder-workspace",
"schemes" : [
"Promise"
]
}
}
2026-04-16 09:15:03.346 xcodebuild[829:5016] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
2026-04-16 09:15:03.451 xcodebuild[829:5016] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-26.4.0.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme Promise -destination generic/platform=iOS
Command line invocation:
/Applications/Xcode-26.4.0.app/Contents/Developer/usr/bin/xcodebuild -IDEClonedSourcePackagesDirPathOverride=/Users/admin/builder/spi-builder-workspace/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath /Users/admin/builder/spi-builder-workspace/.derivedData build -scheme Promise -destination generic/platform=iOS
Resolve Package Graph
Resolve Package Graph
Resolved source packages:
Promise: /Users/admin/builder/spi-builder-workspace
SwiftDocCPlugin: https://github.com/apple/swift-docc-plugin @ 1.4.6
SymbolKit: https://github.com/swiftlang/swift-docc-symbolkit @ 1.0.0
ComputePackagePrebuildTargetDependencyGraph
Prepare packages
CreateBuildRequest
SendProjectDescription
CreateBuildOperation
ComputeTargetDependencyGraph
note: Building targets in dependency order
note: Target dependency graph (2 targets)
Target 'Promise' in project 'Promise'
➜ Explicit dependency on target 'Promise' in project 'Promise'
Target 'Promise' in project 'Promise' (no dependencies)
GatherProvisioningInputs
CreateBuildDescription
ExecuteExternalTool /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -v -E -dM -isysroot /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS26.4.sdk -x c -c /dev/null
ExecuteExternalTool /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swiftc --version
ExecuteExternalTool /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/ld -version_details
Build description signature: 744c4ab604455bd283c489202ca506f0
Build description path: /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/XCBuildData/744c4ab604455bd283c489202ca506f0.xcbuilddata
ClangStatCache /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang-stat-cache /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS26.4.sdk /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/iphoneos26.4-23E237-688ef53f1462e2c8f657fdc38a81448fc1e9a37d8fcda5dee89abd67dc927a23.sdkstatcache
cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
/Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang-stat-cache /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS26.4.sdk -o /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/iphoneos26.4-23E237-688ef53f1462e2c8f657fdc38a81448fc1e9a37d8fcda5dee89abd67dc927a23.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/Intermediates.noindex/SwiftExplicitPrecompiledModules
cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
builtin-create-build-directory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftExplicitPrecompiledModules
CreateBuildDirectory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/ExplicitPrecompiledModules
cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
builtin-create-build-directory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/ExplicitPrecompiledModules
CreateBuildDirectory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/EagerLinkingTBDs/Debug-iphoneos
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-iphoneos
CreateBuildDirectory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-iphoneos
cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
builtin-create-build-directory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-iphoneos
CreateBuildDirectory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-iphoneos/PackageFrameworks
cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
builtin-create-build-directory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-iphoneos/PackageFrameworks
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Promise.build/Debug-iphoneos/Promise.build/Promise.DependencyStaticMetadataFileList (in target 'Promise' from project 'Promise')
cd /Users/admin/builder/spi-builder-workspace
write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Promise.build/Debug-iphoneos/Promise.build/Promise.DependencyStaticMetadataFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Promise.build/Debug-iphoneos/Promise.build/Promise.DependencyMetadataFileList (in target 'Promise' from project 'Promise')
cd /Users/admin/builder/spi-builder-workspace
write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Promise.build/Debug-iphoneos/Promise.build/Promise.DependencyMetadataFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Promise.build/Debug-iphoneos/Promise.build/Promise.modulemap (in target 'Promise' from project 'Promise')
cd /Users/admin/builder/spi-builder-workspace
write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Promise.build/Debug-iphoneos/Promise.build/Promise.modulemap
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Promise.build/Debug-iphoneos/Promise.build/Objects-normal/arm64/Promise-OutputFileMap.json (in target 'Promise' from project 'Promise')
cd /Users/admin/builder/spi-builder-workspace
write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Promise.build/Debug-iphoneos/Promise.build/Objects-normal/arm64/Promise-OutputFileMap.json
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Promise.build/Debug-iphoneos/Promise.build/Objects-normal/arm64/Promise_const_extract_protocols.json (in target 'Promise' from project 'Promise')
cd /Users/admin/builder/spi-builder-workspace
write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Promise.build/Debug-iphoneos/Promise.build/Objects-normal/arm64/Promise_const_extract_protocols.json
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Promise.build/Debug-iphoneos/Promise.build/Objects-normal/arm64/Promise.SwiftFileList (in target 'Promise' from project 'Promise')
cd /Users/admin/builder/spi-builder-workspace
write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Promise.build/Debug-iphoneos/Promise.build/Objects-normal/arm64/Promise.SwiftFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Promise.build/Debug-iphoneos/Promise.build/Objects-normal/arm64/Promise.SwiftConstValuesFileList (in target 'Promise' from project 'Promise')
cd /Users/admin/builder/spi-builder-workspace
write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Promise.build/Debug-iphoneos/Promise.build/Objects-normal/arm64/Promise.SwiftConstValuesFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Promise.build/Debug-iphoneos/Promise.build/Objects-normal/arm64/Promise.LinkFileList (in target 'Promise' from project 'Promise')
cd /Users/admin/builder/spi-builder-workspace
write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Promise.build/Debug-iphoneos/Promise.build/Objects-normal/arm64/Promise.LinkFileList
Copy /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/GeneratedModuleMaps-iphoneos/Promise.modulemap /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Promise.build/Debug-iphoneos/Promise.build/Promise.modulemap (in target 'Promise' from project 'Promise')
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/Promise.build/Debug-iphoneos/Promise.build/Promise.modulemap /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/GeneratedModuleMaps-iphoneos
SwiftDriver Promise normal arm64 com.apple.xcode.tools.swift.compiler (in target 'Promise' from project 'Promise')
cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
builtin-SwiftDriver -- /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swiftc -module-name Promise -Onone @/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Promise.build/Debug-iphoneos/Promise.build/Objects-normal/arm64/Promise.SwiftFileList -DSWIFT_PACKAGE -DDEBUG -DSWIFT_MODULE_RESOURCE_BUNDLE_UNAVAILABLE -DXcode -plugin-path /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/plugins/testing -enable-experimental-feature DebugDescriptionMacro -sdk /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS26.4.sdk -target arm64-apple-ios12.0 -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 -Xcc -D_LIBCPP_HARDENING_MODE\=_LIBCPP_HARDENING_MODE_DEBUG -swift-version 6 -I /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-iphoneos -Isystem /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/usr/lib -F /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-iphoneos -F /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/Library/Frameworks -F /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS26.4.sdk/Developer/Library/Frameworks -c -j10 -enable-batch-mode -incremental -Xcc -ivfsstatcache -Xcc /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/iphoneos26.4-23E237-688ef53f1462e2c8f657fdc38a81448fc1e9a37d8fcda5dee89abd67dc927a23.sdkstatcache -output-file-map /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Promise.build/Debug-iphoneos/Promise.build/Objects-normal/arm64/Promise-OutputFileMap.json -use-frontend-parseable-output -save-temps -no-color-diagnostics -explicit-module-build -module-cache-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftExplicitPrecompiledModules -clang-scanner-module-cache-path /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex -sdk-module-cache-path /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex -serialize-diagnostics -emit-dependencies -emit-module -emit-module-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Promise.build/Debug-iphoneos/Promise.build/Objects-normal/arm64/Promise.swiftmodule -validate-clang-modules-once -clang-build-session-file /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/Session.modulevalidation -package-name spi_builder_workspace -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Promise.build/Debug-iphoneos/Promise.build/swift-overrides.hmap -emit-const-values -Xfrontend -const-gather-protocols-file -Xfrontend /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Promise.build/Debug-iphoneos/Promise.build/Objects-normal/arm64/Promise_const_extract_protocols.json -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-iphoneos/include -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Promise.build/Debug-iphoneos/Promise.build/DerivedSources-normal/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Promise.build/Debug-iphoneos/Promise.build/DerivedSources/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Promise.build/Debug-iphoneos/Promise.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/Promise.build/Debug-iphoneos/Promise.build/Objects-normal/arm64/Promise-Swift.h -working-directory /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode -experimental-emit-module-separately -disable-cmo
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/_Builtin_stdbool-5KEALQN5NJXC4X329C367A0K7.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/_Builtin_float-HP5MXOZ7N6H08XBIIBU21W03.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/ptrcheck-7WY9SV0NOI77B3HLQR3G6B2U2.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/_SwiftConcurrencyShims-3UUCPJBUHL3K534RCCBXSBB3X.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/_Builtin_stddef-7L0REK52XTH8ZYP90P1N5CALM.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/_Builtin_stdarg-E39AVOP2SN8T25977T92RVOF7.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/ptrauth-EVM6GW9SZ6CRXTGUQQ124XEBO.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/_AvailabilityInternal-DRBE05WTIQ7ACVT7Y6YGZODUY.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/SwiftShims-E7OWC3M09GZO0LY27ATGLKJI3.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/_DarwinFoundation1-4VODZL7MKDR6ATPLH7QG7ETMG.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/_Builtin_limits-77EQYCUNCP8116AR94LE410HP.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/_DarwinFoundation2-CVCBHX7ECRZPDFMFYEU6Z84GU.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/sys_types-2C2SAE12M5DP4RJYM2C939WHZ.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/_Builtin_stdint-BYP3LK8028GB2PN4VTCUURGS6.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/_DarwinFoundation3-4B5ECDFZNZ7LPBOQ1H7BC639V.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/_Builtin_inttypes-D17V8P285CBEXMPVEYFY0G4SF.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/Darwin-554UPS2QTSOY8ZV44D2FKES4B.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/ObjectiveC-9A7WXY9SHUS1KJQFQ7QQ6NA9M.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/os_object-BDX18O8NTWODGZLB2TEGYS5U8.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/os_workgroup-5XILUNO7UQ5NDLLKAGEIJPGEW.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/Dispatch-6A7RGF69WB3M9RFKOB4YO3GWO.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/CoreFoundation-4AE3ZYZKEBKHBN9EB2825H9LL.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/XPC-F1GRQAGHTP0DXIENJF1IQKBZ7.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/CFNetwork-8J6WVMAV0LGZYGOH9ZG7ZGPT9.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/Security-5UD51NC8JD5LMGXF67VUIQV.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/Foundation-7BULF7RJC18K60D82L3PK0G3Q.pcm
SwiftEmitModule normal arm64 Emitting\ module\ for\ Promise (in target 'Promise' from project 'Promise')
EmitSwiftModule normal arm64 (in target 'Promise' from project 'Promise')
cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
/Users/admin/builder/spi-builder-workspace/Sources/Promise/Ex+Foundation/Promise+GCD.swift:55:14: error: 'receive(on:)' is only available in iOS 13.0 or newer
self.receive(on: { queue.async(execute: $0) })
^
/Users/admin/builder/spi-builder-workspace/Sources/Promise/Ex+Foundation/Promise+GCD.swift:55:14: note: add 'if #available' version check
self.receive(on: { queue.async(execute: $0) })
^
/Users/admin/builder/spi-builder-workspace/Sources/Promise/Ex+Foundation/Promise+GCD.swift:54:17: note: add '@available' attribute to enclosing instance method
public func receive(on queue: DispatchQueue) -> Promise<Output, Failure> {
^
/Users/admin/builder/spi-builder-workspace/Sources/Promise/Ex+Foundation/Promise+GCD.swift:11:1: note: add '@available' attribute to enclosing extension
extension Promise where Output: Sendable {
^
/Users/admin/builder/spi-builder-workspace/Sources/Promise/Ex+Foundation/Promise+Wait.swift:29:14: error: 'receive(on:)' is only available in iOS 13.0 or newer
self.receive(on: { queue.asyncAfter(deadline: .now() + interval, execute: $0) })
^
/Users/admin/builder/spi-builder-workspace/Sources/Promise/Ex+Foundation/Promise+Wait.swift:29:14: note: add 'if #available' version check
self.receive(on: { queue.asyncAfter(deadline: .now() + interval, execute: $0) })
^
/Users/admin/builder/spi-builder-workspace/Sources/Promise/Ex+Foundation/Promise+Wait.swift:28:17: note: add '@available' attribute to enclosing instance method
public func wait(on queue: DispatchQueue = .main, for interval: TimeInterval) -> Promise<Output, Failure> where Output: Sendable {
^
/Users/admin/builder/spi-builder-workspace/Sources/Promise/Ex+Foundation/Promise+Wait.swift:22:1: note: add '@available' attribute to enclosing extension
extension Promise {
^
Failed frontend command:
/Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swift-frontend -frontend -emit-module -experimental-skip-non-inlinable-function-bodies-without-types /Users/admin/builder/spi-builder-workspace/Sources/Promise/Ex+Foundation/Promise+GCD.swift /Users/admin/builder/spi-builder-workspace/Sources/Promise/Ex+Foundation/Promise+MeasureInterval.swift /Users/admin/builder/spi-builder-workspace/Sources/Promise/Ex+Foundation/Promise+Timeout.swift /Users/admin/builder/spi-builder-workspace/Sources/Promise/Ex+Foundation/Promise+URLSession.swift /Users/admin/builder/spi-builder-workspace/Sources/Promise/Ex+Foundation/Promise+Wait.swift /Users/admin/builder/spi-builder-workspace/Sources/Promise/Ex+Swift/Promise+Combine.swift /Users/admin/builder/spi-builder-workspace/Sources/Promise/Ex+Swift/Promise+Concurrency.swift /Users/admin/builder/spi-builder-workspace/Sources/Promise/Lock.swift /Users/admin/builder/spi-builder-workspace/Sources/Promise/Promise+Cancel.swift /Users/admin/builder/spi-builder-workspace/Sources/Promise/Promise+Combination.swift /Users/admin/builder/spi-builder-workspace/Sources/Promise/Promise+Debug.swift /Users/admin/builder/spi-builder-workspace/Sources/Promise/Promise+Init.swift /Users/admin/builder/spi-builder-workspace/Sources/Promise/Promise+Operators.swift /Users/admin/builder/spi-builder-workspace/Sources/Promise/Promise+OptionalResolve.swift /Users/admin/builder/spi-builder-workspace/Sources/Promise/Promise+Util.swift /Users/admin/builder/spi-builder-workspace/Sources/Promise/Promise.swift -target arm64-apple-ios12.0 -module-can-import-version Combine 3023 0 -module-can-import-version Darwin 377.100.15 0 -module-can-import-version Foundation 4424.1.101 4424.1.101 -load-resolved-plugin /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/usr/lib/swift/host/plugins/libFoundationMacros.dylib\#/Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/usr/bin/swift-plugin-server\#FoundationMacros -load-resolved-plugin /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/usr/lib/swift/host/plugins/libObservationMacros.dylib\#/Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/usr/bin/swift-plugin-server\#ObservationMacros -load-resolved-plugin /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/usr/lib/swift/host/plugins/libSwiftMacros.dylib\#/Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/usr/bin/swift-plugin-server\#SwiftMacros -disable-implicit-swift-modules -Xcc -fno-implicit-modules -Xcc -fno-implicit-module-maps -explicit-swift-module-map-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Promise.build/Debug-iphoneos/Promise.build/Objects-normal/arm64/Promise-dependencies-1.json -Xllvm -aarch64-use-tbi -enable-objc-interop -sdk /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS26.4.sdk -I /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-iphoneos -Isystem /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/usr/lib -F /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-iphoneos -F /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/Library/Frameworks -F /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS26.4.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/Build/Intermediates.noindex/SwiftExplicitPrecompiledModules -profile-generate -profile-coverage-mapping -swift-version 6 -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/Promise.build/Debug-iphoneos/Promise.build/Objects-normal/arm64/Promise_const_extract_protocols.json -enable-experimental-feature DebugDescriptionMacro -empty-abi-descriptor -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 -D_LIBCPP_HARDENING_MODE\=_LIBCPP_HARDENING_MODE_DEBUG -Xcc -ivfsstatcache -Xcc /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/iphoneos26.4-23E237-688ef53f1462e2c8f657fdc38a81448fc1e9a37d8fcda5dee89abd67dc927a23.sdkstatcache -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Promise.build/Debug-iphoneos/Promise.build/swift-overrides.hmap -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-iphoneos/include -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Promise.build/Debug-iphoneos/Promise.build/DerivedSources-normal/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Promise.build/Debug-iphoneos/Promise.build/DerivedSources/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Promise.build/Debug-iphoneos/Promise.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG\=1 -no-auto-bridging-header-chaining -module-name Promise -package-name spi_builder_workspace -frontend-parseable-output -disable-clang-spi -clang-target arm64-apple-ios26.4 -target-sdk-version 26.4 -target-sdk-name iphoneos26.4 -in-process-plugin-server-path /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/libSwiftInProcPluginServer.dylib -emit-module-doc-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Promise.build/Debug-iphoneos/Promise.build/Objects-normal/arm64/Promise.swiftdoc -emit-module-source-info-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Promise.build/Debug-iphoneos/Promise.build/Objects-normal/arm64/Promise.swiftsourceinfo -emit-objc-header-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Promise.build/Debug-iphoneos/Promise.build/Objects-normal/arm64/Promise-Swift.h -serialize-diagnostics-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Promise.build/Debug-iphoneos/Promise.build/Objects-normal/arm64/Promise-primary-emit-module.dia -emit-dependencies-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Promise.build/Debug-iphoneos/Promise.build/Objects-normal/arm64/Promise-primary-emit-module.d -o /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Promise.build/Debug-iphoneos/Promise.build/Objects-normal/arm64/Promise.swiftmodule -emit-abi-descriptor-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Promise.build/Debug-iphoneos/Promise.build/Objects-normal/arm64/Promise.abi.json
SwiftCompile normal arm64 Compiling\ Promise.swift /Users/admin/builder/spi-builder-workspace/Sources/Promise/Promise.swift (in target 'Promise' from project 'Promise')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/Promise/Promise.swift (in target 'Promise' from project 'Promise')
cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
SwiftCompile normal arm64 Compiling\ Promise+OptionalResolve.swift /Users/admin/builder/spi-builder-workspace/Sources/Promise/Promise+OptionalResolve.swift (in target 'Promise' from project 'Promise')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/Promise/Promise+OptionalResolve.swift (in target 'Promise' from project 'Promise')
cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
SwiftCompile normal arm64 Compiling\ Promise+Cancel.swift,\ Promise+Combination.swift /Users/admin/builder/spi-builder-workspace/Sources/Promise/Promise+Cancel.swift /Users/admin/builder/spi-builder-workspace/Sources/Promise/Promise+Combination.swift (in target 'Promise' from project 'Promise')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/Promise/Promise+Cancel.swift (in target 'Promise' from project 'Promise')
cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/Promise/Promise+Combination.swift (in target 'Promise' from project 'Promise')
cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
SwiftCompile normal arm64 Compiling\ Promise+Operators.swift /Users/admin/builder/spi-builder-workspace/Sources/Promise/Promise+Operators.swift (in target 'Promise' from project 'Promise')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/Promise/Promise+Operators.swift (in target 'Promise' from project 'Promise')
cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
SwiftCompile normal arm64 Compiling\ Promise+Debug.swift,\ Promise+Init.swift /Users/admin/builder/spi-builder-workspace/Sources/Promise/Promise+Debug.swift /Users/admin/builder/spi-builder-workspace/Sources/Promise/Promise+Init.swift (in target 'Promise' from project 'Promise')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/Promise/Promise+Debug.swift (in target 'Promise' from project 'Promise')
cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/Promise/Promise+Init.swift (in target 'Promise' from project 'Promise')
cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
SwiftCompile normal arm64 Compiling\ Promise+Wait.swift,\ Promise+Combine.swift /Users/admin/builder/spi-builder-workspace/Sources/Promise/Ex+Foundation/Promise+Wait.swift /Users/admin/builder/spi-builder-workspace/Sources/Promise/Ex+Swift/Promise+Combine.swift (in target 'Promise' from project 'Promise')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/Promise/Ex+Foundation/Promise+Wait.swift (in target 'Promise' from project 'Promise')
cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/Promise/Ex+Swift/Promise+Combine.swift (in target 'Promise' from project 'Promise')
cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
SwiftCompile normal arm64 Compiling\ Promise+Concurrency.swift,\ Lock.swift /Users/admin/builder/spi-builder-workspace/Sources/Promise/Ex+Swift/Promise+Concurrency.swift /Users/admin/builder/spi-builder-workspace/Sources/Promise/Lock.swift (in target 'Promise' from project 'Promise')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/Promise/Ex+Swift/Promise+Concurrency.swift (in target 'Promise' from project 'Promise')
cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/Promise/Lock.swift (in target 'Promise' from project 'Promise')
cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
SwiftCompile normal arm64 Compiling\ Promise+Util.swift /Users/admin/builder/spi-builder-workspace/Sources/Promise/Promise+Util.swift (in target 'Promise' from project 'Promise')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/Promise/Promise+Util.swift (in target 'Promise' from project 'Promise')
cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
SwiftCompile normal arm64 Compiling\ Promise+Timeout.swift,\ Promise+URLSession.swift /Users/admin/builder/spi-builder-workspace/Sources/Promise/Ex+Foundation/Promise+Timeout.swift /Users/admin/builder/spi-builder-workspace/Sources/Promise/Ex+Foundation/Promise+URLSession.swift (in target 'Promise' from project 'Promise')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/Promise/Ex+Foundation/Promise+Timeout.swift (in target 'Promise' from project 'Promise')
cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/Promise/Ex+Foundation/Promise+URLSession.swift (in target 'Promise' from project 'Promise')
cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
SwiftCompile normal arm64 Compiling\ Promise+GCD.swift,\ Promise+MeasureInterval.swift /Users/admin/builder/spi-builder-workspace/Sources/Promise/Ex+Foundation/Promise+GCD.swift /Users/admin/builder/spi-builder-workspace/Sources/Promise/Ex+Foundation/Promise+MeasureInterval.swift (in target 'Promise' from project 'Promise')
2026-04-16 09:15:11.225 xcodebuild[892:5465] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
2026-04-16 09:15:11.327 xcodebuild[892:5465] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
** BUILD FAILED **
The following build commands failed:
EmitSwiftModule normal arm64 (in target 'Promise' from project 'Promise')
SwiftEmitModule normal arm64 Emitting\ module\ for\ Promise (in target 'Promise' from project 'Promise')
Building workspace spi-builder-workspace with scheme Promise
(3 failures)
Command line invocation:
/Applications/Xcode-26.4.0.app/Contents/Developer/usr/bin/xcodebuild -IDEClonedSourcePackagesDirPathOverride=/Users/admin/builder/spi-builder-workspace/.dependencies -resolvePackageDependencies
Resolve Package Graph
Resolved source packages:
Promise: /Users/admin/builder/spi-builder-workspace
SymbolKit: https://github.com/swiftlang/swift-docc-symbolkit @ 1.0.0
SwiftDocCPlugin: https://github.com/apple/swift-docc-plugin @ 1.4.6
resolved source packages: Promise, SymbolKit, SwiftDocCPlugin
2026-04-16 09:15:29.953 xcodebuild[1072:6480] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
2026-04-16 09:15:30.075 xcodebuild[1072:6480] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
{
"dependencies" : [
{
"identity" : "swift-docc-plugin",
"requirement" : {
"range" : [
{
"lower_bound" : "1.4.5",
"upper_bound" : "2.0.0"
}
]
},
"type" : "sourceControl",
"url" : "https://github.com/apple/swift-docc-plugin"
}
],
"manifest_display_name" : "Promise",
"name" : "Promise",
"path" : "/Users/admin/builder/spi-builder-workspace",
"platforms" : [
{
"name" : "ios",
"version" : "12.0"
},
{
"name" : "macos",
"version" : "10.15"
},
{
"name" : "tvos",
"version" : "12.0"
},
{
"name" : "watchos",
"version" : "4.0"
}
],
"products" : [
{
"name" : "Promise",
"targets" : [
"Promise"
],
"type" : {
"library" : [
"automatic"
]
}
}
],
"targets" : [
{
"c99name" : "PromiseTests",
"module_type" : "SwiftTarget",
"name" : "PromiseTests",
"path" : "Tests/PromiseTests",
"sources" : [
"Promise+Test.swift",
"PromiseCombinationTests.swift",
"PromiseConcurrencyTests.swift",
"PromiseDeinitTests.swift",
"PromiseMultithreadTests.swift",
"PromiseOperatorTests.swift",
"PromisePublisherTests.swift",
"XCTestManifests.swift"
],
"target_dependencies" : [
"Promise"
],
"type" : "test"
},
{
"c99name" : "Promise",
"module_type" : "SwiftTarget",
"name" : "Promise",
"path" : "Sources/Promise",
"product_memberships" : [
"Promise"
],
"sources" : [
"Ex+Foundation/Promise+GCD.swift",
"Ex+Foundation/Promise+MeasureInterval.swift",
"Ex+Foundation/Promise+Timeout.swift",
"Ex+Foundation/Promise+URLSession.swift",
"Ex+Foundation/Promise+Wait.swift",
"Ex+Swift/Promise+Combine.swift",
"Ex+Swift/Promise+Concurrency.swift",
"Lock.swift",
"Promise+Cancel.swift",
"Promise+Combination.swift",
"Promise+Debug.swift",
"Promise+Init.swift",
"Promise+Operators.swift",
"Promise+OptionalResolve.swift",
"Promise+Util.swift",
"Promise.swift"
],
"type" : "library"
}
],
"tools_version" : "6.0"
}
{
"workspace" : {
"name" : "spi-builder-workspace",
"schemes" : [
"Promise"
]
}
}
2026-04-16 09:15:36.956 xcodebuild[1137:6911] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
2026-04-16 09:15:37.057 xcodebuild[1137:6911] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-26.4.0.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme Promise -destination generic/platform=iOS
Command line invocation:
/Applications/Xcode-26.4.0.app/Contents/Developer/usr/bin/xcodebuild -IDEClonedSourcePackagesDirPathOverride=/Users/admin/builder/spi-builder-workspace/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath /Users/admin/builder/spi-builder-workspace/.derivedData build -scheme Promise -destination generic/platform=iOS
Resolve Package Graph
Resolved source packages:
SwiftDocCPlugin: https://github.com/apple/swift-docc-plugin @ 1.4.6
SymbolKit: https://github.com/swiftlang/swift-docc-symbolkit @ 1.0.0
Promise: /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 'Promise' in project 'Promise'
➜ Explicit dependency on target 'Promise' in project 'Promise'
Target 'Promise' in project 'Promise' (no dependencies)
GatherProvisioningInputs
CreateBuildDescription
ClangStatCache /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang-stat-cache /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS26.4.sdk /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/iphoneos26.4-23E237-688ef53f1462e2c8f657fdc38a81448fc1e9a37d8fcda5dee89abd67dc927a23.sdkstatcache
cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
/Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang-stat-cache /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS26.4.sdk -o /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/iphoneos26.4-23E237-688ef53f1462e2c8f657fdc38a81448fc1e9a37d8fcda5dee89abd67dc927a23.sdkstatcache
SwiftDriver Promise normal arm64 com.apple.xcode.tools.swift.compiler (in target 'Promise' from project 'Promise')
cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
builtin-SwiftDriver -- /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swiftc -module-name Promise -Onone @/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Promise.build/Debug-iphoneos/Promise.build/Objects-normal/arm64/Promise.SwiftFileList -DSWIFT_PACKAGE -DDEBUG -DSWIFT_MODULE_RESOURCE_BUNDLE_UNAVAILABLE -DXcode -plugin-path /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/plugins/testing -enable-experimental-feature DebugDescriptionMacro -sdk /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS26.4.sdk -target arm64-apple-ios12.0 -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 -Xcc -D_LIBCPP_HARDENING_MODE\=_LIBCPP_HARDENING_MODE_DEBUG -swift-version 6 -I /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-iphoneos -Isystem /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/usr/lib -F /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-iphoneos -F /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/Library/Frameworks -F /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS26.4.sdk/Developer/Library/Frameworks -c -j10 -enable-batch-mode -incremental -Xcc -ivfsstatcache -Xcc /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/iphoneos26.4-23E237-688ef53f1462e2c8f657fdc38a81448fc1e9a37d8fcda5dee89abd67dc927a23.sdkstatcache -output-file-map /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Promise.build/Debug-iphoneos/Promise.build/Objects-normal/arm64/Promise-OutputFileMap.json -use-frontend-parseable-output -save-temps -no-color-diagnostics -explicit-module-build -module-cache-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftExplicitPrecompiledModules -clang-scanner-module-cache-path /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex -sdk-module-cache-path /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex -serialize-diagnostics -emit-dependencies -emit-module -emit-module-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Promise.build/Debug-iphoneos/Promise.build/Objects-normal/arm64/Promise.swiftmodule -validate-clang-modules-once -clang-build-session-file /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/Session.modulevalidation -package-name spi_builder_workspace -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Promise.build/Debug-iphoneos/Promise.build/swift-overrides.hmap -emit-const-values -Xfrontend -const-gather-protocols-file -Xfrontend /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Promise.build/Debug-iphoneos/Promise.build/Objects-normal/arm64/Promise_const_extract_protocols.json -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-iphoneos/include -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Promise.build/Debug-iphoneos/Promise.build/DerivedSources-normal/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Promise.build/Debug-iphoneos/Promise.build/DerivedSources/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Promise.build/Debug-iphoneos/Promise.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/Promise.build/Debug-iphoneos/Promise.build/Objects-normal/arm64/Promise-Swift.h -working-directory /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode -experimental-emit-module-separately -disable-cmo
SwiftCompile normal arm64 Compiling\ Promise+Concurrency.swift,\ Lock.swift /Users/admin/builder/spi-builder-workspace/Sources/Promise/Ex+Swift/Promise+Concurrency.swift /Users/admin/builder/spi-builder-workspace/Sources/Promise/Lock.swift (in target 'Promise' from project 'Promise')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/Promise/Ex+Swift/Promise+Concurrency.swift (in target 'Promise' from project 'Promise')
cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/Promise/Lock.swift (in target 'Promise' from project 'Promise')
cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
SwiftCompile normal arm64 Compiling\ Promise+Wait.swift,\ Promise+Combine.swift /Users/admin/builder/spi-builder-workspace/Sources/Promise/Ex+Foundation/Promise+Wait.swift /Users/admin/builder/spi-builder-workspace/Sources/Promise/Ex+Swift/Promise+Combine.swift (in target 'Promise' from project 'Promise')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/Promise/Ex+Foundation/Promise+Wait.swift (in target 'Promise' from project 'Promise')
cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/Promise/Ex+Swift/Promise+Combine.swift (in target 'Promise' from project 'Promise')
cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
SwiftCompile normal arm64 Compiling\ Promise+Timeout.swift,\ Promise+URLSession.swift /Users/admin/builder/spi-builder-workspace/Sources/Promise/Ex+Foundation/Promise+Timeout.swift /Users/admin/builder/spi-builder-workspace/Sources/Promise/Ex+Foundation/Promise+URLSession.swift (in target 'Promise' from project 'Promise')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/Promise/Ex+Foundation/Promise+Timeout.swift (in target 'Promise' from project 'Promise')
cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/Promise/Ex+Foundation/Promise+URLSession.swift (in target 'Promise' from project 'Promise')
cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
SwiftCompile normal arm64 Compiling\ Promise+GCD.swift,\ Promise+MeasureInterval.swift /Users/admin/builder/spi-builder-workspace/Sources/Promise/Ex+Foundation/Promise+GCD.swift /Users/admin/builder/spi-builder-workspace/Sources/Promise/Ex+Foundation/Promise+MeasureInterval.swift (in target 'Promise' from project 'Promise')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/Promise/Ex+Foundation/Promise+GCD.swift (in target 'Promise' from project 'Promise')
cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/Promise/Ex+Foundation/Promise+MeasureInterval.swift (in target 'Promise' from project 'Promise')
cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
SwiftCompile normal arm64 Compiling\ Promise+Cancel.swift,\ Promise+Combination.swift /Users/admin/builder/spi-builder-workspace/Sources/Promise/Promise+Cancel.swift /Users/admin/builder/spi-builder-workspace/Sources/Promise/Promise+Combination.swift (in target 'Promise' from project 'Promise')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/Promise/Promise+Cancel.swift (in target 'Promise' from project 'Promise')
cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/Promise/Promise+Combination.swift (in target 'Promise' from project 'Promise')
cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
SwiftCompile normal arm64 Compiling\ Promise+Operators.swift /Users/admin/builder/spi-builder-workspace/Sources/Promise/Promise+Operators.swift (in target 'Promise' from project 'Promise')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/Promise/Promise+Operators.swift (in target 'Promise' from project 'Promise')
cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
SwiftCompile normal arm64 Compiling\ Promise+Debug.swift,\ Promise+Init.swift /Users/admin/builder/spi-builder-workspace/Sources/Promise/Promise+Debug.swift /Users/admin/builder/spi-builder-workspace/Sources/Promise/Promise+Init.swift (in target 'Promise' from project 'Promise')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/Promise/Promise+Debug.swift (in target 'Promise' from project 'Promise')
cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/Promise/Promise+Init.swift (in target 'Promise' from project 'Promise')
cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
SwiftCompile normal arm64 Compiling\ Promise.swift /Users/admin/builder/spi-builder-workspace/Sources/Promise/Promise.swift (in target 'Promise' from project 'Promise')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/Promise/Promise.swift (in target 'Promise' from project 'Promise')
cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
SwiftEmitModule normal arm64 Emitting\ module\ for\ Promise (in target 'Promise' from project 'Promise')
Failed frontend command:
/Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swift-frontend -frontend -emit-module -experimental-skip-non-inlinable-function-bodies-without-types /Users/admin/builder/spi-builder-workspace/Sources/Promise/Ex+Foundation/Promise+GCD.swift /Users/admin/builder/spi-builder-workspace/Sources/Promise/Ex+Foundation/Promise+MeasureInterval.swift /Users/admin/builder/spi-builder-workspace/Sources/Promise/Ex+Foundation/Promise+Timeout.swift /Users/admin/builder/spi-builder-workspace/Sources/Promise/Ex+Foundation/Promise+URLSession.swift /Users/admin/builder/spi-builder-workspace/Sources/Promise/Ex+Foundation/Promise+Wait.swift /Users/admin/builder/spi-builder-workspace/Sources/Promise/Ex+Swift/Promise+Combine.swift /Users/admin/builder/spi-builder-workspace/Sources/Promise/Ex+Swift/Promise+Concurrency.swift /Users/admin/builder/spi-builder-workspace/Sources/Promise/Lock.swift /Users/admin/builder/spi-builder-workspace/Sources/Promise/Promise+Cancel.swift /Users/admin/builder/spi-builder-workspace/Sources/Promise/Promise+Combination.swift /Users/admin/builder/spi-builder-workspace/Sources/Promise/Promise+Debug.swift /Users/admin/builder/spi-builder-workspace/Sources/Promise/Promise+Init.swift /Users/admin/builder/spi-builder-workspace/Sources/Promise/Promise+Operators.swift /Users/admin/builder/spi-builder-workspace/Sources/Promise/Promise+OptionalResolve.swift /Users/admin/builder/spi-builder-workspace/Sources/Promise/Promise+Util.swift /Users/admin/builder/spi-builder-workspace/Sources/Promise/Promise.swift -target arm64-apple-ios12.0 -module-can-import-version Combine 3023 0 -module-can-import-version Darwin 377.100.15 0 -module-can-import-version Foundation 4424.1.101 4424.1.101 -load-resolved-plugin /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/usr/lib/swift/host/plugins/libFoundationMacros.dylib\#/Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/usr/bin/swift-plugin-server\#FoundationMacros -load-resolved-plugin /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/usr/lib/swift/host/plugins/libObservationMacros.dylib\#/Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/usr/bin/swift-plugin-server\#ObservationMacros -load-resolved-plugin /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/usr/lib/swift/host/plugins/libSwiftMacros.dylib\#/Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/usr/bin/swift-plugin-server\#SwiftMacros -disable-implicit-swift-modules -Xcc -fno-implicit-modules -Xcc -fno-implicit-module-maps -explicit-swift-module-map-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Promise.build/Debug-iphoneos/Promise.build/Objects-normal/arm64/Promise-dependencies-1.json -Xllvm -aarch64-use-tbi -enable-objc-interop -sdk /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS26.4.sdk -I /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-iphoneos -Isystem /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/usr/lib -F /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-iphoneos -F /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/Library/Frameworks -F /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS26.4.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/Build/Intermediates.noindex/SwiftExplicitPrecompiledModules -profile-generate -profile-coverage-mapping -swift-version 6 -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/Promise.build/Debug-iphoneos/Promise.build/Objects-normal/arm64/Promise_const_extract_protocols.json -enable-experimental-feature DebugDescriptionMacro -empty-abi-descriptor -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 -D_LIBCPP_HARDENING_MODE\=_LIBCPP_HARDENING_MODE_DEBUG -Xcc -ivfsstatcache -Xcc /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/iphoneos26.4-23E237-688ef53f1462e2c8f657fdc38a81448fc1e9a37d8fcda5dee89abd67dc927a23.sdkstatcache -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Promise.build/Debug-iphoneos/Promise.build/swift-overrides.hmap -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-iphoneos/include -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Promise.build/Debug-iphoneos/Promise.build/DerivedSources-normal/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Promise.build/Debug-iphoneos/Promise.build/DerivedSources/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Promise.build/Debug-iphoneos/Promise.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG\=1 -no-auto-bridging-header-chaining -module-name Promise -package-name spi_builder_workspace -frontend-parseable-output -disable-clang-spi -clang-target arm64-apple-ios26.4 -target-sdk-version 26.4 -target-sdk-name iphoneos26.4 -in-process-plugin-server-path /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/libSwiftInProcPluginServer.dylib -emit-module-doc-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Promise.build/Debug-iphoneos/Promise.build/Objects-normal/arm64/Promise.swiftdoc -emit-module-source-info-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Promise.build/Debug-iphoneos/Promise.build/Objects-normal/arm64/Promise.swiftsourceinfo -emit-objc-header-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Promise.build/Debug-iphoneos/Promise.build/Objects-normal/arm64/Promise-Swift.h -serialize-diagnostics-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Promise.build/Debug-iphoneos/Promise.build/Objects-normal/arm64/Promise-primary-emit-module.dia -emit-dependencies-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Promise.build/Debug-iphoneos/Promise.build/Objects-normal/arm64/Promise-primary-emit-module.d -o /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Promise.build/Debug-iphoneos/Promise.build/Objects-normal/arm64/Promise.swiftmodule -emit-abi-descriptor-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Promise.build/Debug-iphoneos/Promise.build/Objects-normal/arm64/Promise.abi.json
EmitSwiftModule normal arm64 (in target 'Promise' from project 'Promise')
cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
/Users/admin/builder/spi-builder-workspace/Sources/Promise/Ex+Foundation/Promise+GCD.swift:55:14: error: 'receive(on:)' is only available in iOS 13.0 or newer
self.receive(on: { queue.async(execute: $0) })
^
/Users/admin/builder/spi-builder-workspace/Sources/Promise/Ex+Foundation/Promise+GCD.swift:55:14: note: add 'if #available' version check
self.receive(on: { queue.async(execute: $0) })
^
/Users/admin/builder/spi-builder-workspace/Sources/Promise/Ex+Foundation/Promise+GCD.swift:54:17: note: add '@available' attribute to enclosing instance method
public func receive(on queue: DispatchQueue) -> Promise<Output, Failure> {
^
/Users/admin/builder/spi-builder-workspace/Sources/Promise/Ex+Foundation/Promise+GCD.swift:11:1: note: add '@available' attribute to enclosing extension
extension Promise where Output: Sendable {
^
/Users/admin/builder/spi-builder-workspace/Sources/Promise/Ex+Foundation/Promise+Wait.swift:29:14: error: 'receive(on:)' is only available in iOS 13.0 or newer
self.receive(on: { queue.asyncAfter(deadline: .now() + interval, execute: $0) })
^
/Users/admin/builder/spi-builder-workspace/Sources/Promise/Ex+Foundation/Promise+Wait.swift:29:14: note: add 'if #available' version check
self.receive(on: { queue.asyncAfter(deadline: .now() + interval, execute: $0) })
^
/Users/admin/builder/spi-builder-workspace/Sources/Promise/Ex+Foundation/Promise+Wait.swift:28:17: note: add '@available' attribute to enclosing instance method
public func wait(on queue: DispatchQueue = .main, for interval: TimeInterval) -> Promise<Output, Failure> where Output: Sendable {
^
/Users/admin/builder/spi-builder-workspace/Sources/Promise/Ex+Foundation/Promise+Wait.swift:22:1: note: add '@available' attribute to enclosing extension
extension Promise {
^
SwiftCompile normal arm64 Compiling\ Promise+Util.swift /Users/admin/builder/spi-builder-workspace/Sources/Promise/Promise+Util.swift (in target 'Promise' from project 'Promise')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/Promise/Promise+Util.swift (in target 'Promise' from project 'Promise')
cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
SwiftCompile normal arm64 Compiling\ Promise+OptionalResolve.swift /Users/admin/builder/spi-builder-workspace/Sources/Promise/Promise+OptionalResolve.swift (in target 'Promise' from project 'Promise')
2026-04-16 09:15:43.609 xcodebuild[1195:7300] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
2026-04-16 09:15:43.712 xcodebuild[1195:7300] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
** BUILD FAILED **
The following build commands failed:
SwiftEmitModule normal arm64 Emitting\ module\ for\ Promise (in target 'Promise' from project 'Promise')
EmitSwiftModule normal arm64 (in target 'Promise' from project 'Promise')
Building workspace spi-builder-workspace with scheme Promise
(3 failures)
BUILD FAILURE 6.3 iOS