Swift Package IndexBuild Information
Failed to build SwiftSerial, reference 0.2.0 (c33b44), with Swift 6.4 for iOS using Xcode 27.0 on 24 Sep 2026 01:55:40 UTC.
Build Command
env DEVELOPER_DIR=/Applications/Xcode-27.0.0-Release.Candidate.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme SwiftSerial -destination generic/platform=iOSBuild Log
========================================
RunAll
========================================
Builder version: 5.1.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/sgade/SwiftSerial.git
Reference: 0.2.0
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/sgade/SwiftSerial
* tag 0.2.0 -> FETCH_HEAD
HEAD is now at c33b440 Migrate to Swift 6.2
Cloned https://github.com/sgade/SwiftSerial.git
Revision (git rev-parse @):
c33b4400f0cb301cf26ab98220100ed2011bdc38
SPI manifest file found: $PWD/.spi.yml
SUCCESS checkout https://github.com/sgade/SwiftSerial.git at 0.2.0
========================================
Build
========================================
Selected platform: iOS
Swift version: 6.4
Building package at path: $PWD
https://github.com/sgade/SwiftSerial.git
Command line invocation:
/Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/usr/bin/xcodebuild -IDEClonedSourcePackagesDirPathOverride=/Users/admin/builder/spi-builder-workspace/.dependencies -resolvePackageDependencies
Resolve Package Graph
Resolve Package Graph
Resolved source packages:
SwiftSerial: /Users/admin/builder/spi-builder-workspace
resolved source packages: SwiftSerial
2026-09-23 21:54:56.626 xcodebuild[529:3033] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
2026-09-23 21:54:56.775 xcodebuild[529:3033] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
2026-09-23 21:54:58.406 xcodebuild[529:3033] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
{
"dependencies" : [
],
"manifest_display_name" : "SwiftSerial",
"name" : "SwiftSerial",
"path" : "/Users/admin/builder/spi-builder-workspace",
"platforms" : [
{
"name" : "macos",
"version" : "10.15"
}
],
"products" : [
{
"name" : "SwiftSerial",
"targets" : [
"SwiftSerial"
],
"type" : {
"library" : [
"automatic"
]
}
}
],
"targets" : [
{
"c99name" : "SwiftSerial",
"module_type" : "SwiftTarget",
"name" : "SwiftSerial",
"path" : "Sources/SwiftSerial",
"product_memberships" : [
"SwiftSerial"
],
"sources" : [
"BaudRate.swift",
"DataBitsSize.swift",
"ParityType.swift",
"PortError.swift",
"PortMode.swift",
"SerialPort.swift"
],
"type" : "library"
}
],
"tools_version" : "6.2"
}
{
"workspace" : {
"name" : "SwiftSerial",
"schemes" : [
"SerialTerminal",
"SwiftSerial"
]
}
}
2026-09-23 21:55:29.171 xcodebuild[626:3829] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
2026-09-23 21:55:29.313 xcodebuild[626:3829] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
{
"workspace" : {
"name" : "SwiftSerial",
"schemes" : [
"SerialTerminal",
"SwiftSerial"
]
}
}
2026-09-23 21:55:30.195 xcodebuild[628:3883] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
2026-09-23 21:55:30.337 xcodebuild[628:3883] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-27.0.0-Release.Candidate.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme SwiftSerial -destination generic/platform=iOS
Command line invocation:
/Applications/Xcode-27.0.0-Release.Candidate.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 SwiftSerial -destination generic/platform=iOS
Resolve Package Graph
Resolved source packages:
SwiftSerial: /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 'SwiftSerial-product' in project 'SwiftSerial'
➜ Explicit dependency on target 'SwiftSerial' in project 'SwiftSerial'
Target 'SwiftSerial' in project 'SwiftSerial' (no dependencies)
GatherProvisioningInputs
CreateBuildDescription
ExecuteExternalTool /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -v -E -dM -isysroot /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS27.0.sdk -x c -c /dev/null
ExecuteExternalTool /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swiftc --version
ExecuteExternalTool /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/ld -version_details
Build description signature: 293a096ecc600ad2cd0e61ab2612b713
Build description path: /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/XCBuildData/293a096ecc600ad2cd0e61ab2612b713.xcbuilddata
CreateBuildDirectory /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules
cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
builtin-create-build-directory /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules
CreateBuildDirectory /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex
cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
builtin-create-build-directory /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex
CreateBuildDirectory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products
cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
builtin-create-build-directory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products
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/CompilationCache.noindex
cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
builtin-create-build-directory /Users/admin/builder/spi-builder-workspace/.derivedData/CompilationCache.noindex
ClangStatCache /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang-stat-cache /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS27.0.sdk /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/iphoneos27.0-24A430-e829b21a6f8c9b70876ba0858053c04440ceaa042ed91876912b2eeea4e3aa14.sdkstatcache
cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
/Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang-stat-cache /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS27.0.sdk -o /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/iphoneos27.0-24A430-e829b21a6f8c9b70876ba0858053c04440ceaa042ed91876912b2eeea4e3aa14.sdkstatcache
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/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/PrecompiledHeaders
cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
builtin-create-build-directory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/PrecompiledHeaders
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/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/SwiftSerial.build/Debug-iphoneos/SwiftSerial-t.build/SwiftSerial.DependencyStaticMetadataFileList (in target 'SwiftSerial' from project 'SwiftSerial')
cd /Users/admin/builder/spi-builder-workspace
write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftSerial.build/Debug-iphoneos/SwiftSerial-t.build/SwiftSerial.DependencyStaticMetadataFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftSerial.build/Debug-iphoneos/SwiftSerial-t.build/SwiftSerial.DependencyMetadataFileList (in target 'SwiftSerial' from project 'SwiftSerial')
cd /Users/admin/builder/spi-builder-workspace
write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftSerial.build/Debug-iphoneos/SwiftSerial-t.build/SwiftSerial.DependencyMetadataFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftSerial.build/Debug-iphoneos/SwiftSerial-t.build/SwiftSerial.modulemap (in target 'SwiftSerial' from project 'SwiftSerial')
cd /Users/admin/builder/spi-builder-workspace
write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftSerial.build/Debug-iphoneos/SwiftSerial-t.build/SwiftSerial.modulemap
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftSerial.build/Debug-iphoneos/SwiftSerial-t.build/Objects-normal/arm64/SwiftSerial.SwiftFileList (in target 'SwiftSerial' from project 'SwiftSerial')
cd /Users/admin/builder/spi-builder-workspace
write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftSerial.build/Debug-iphoneos/SwiftSerial-t.build/Objects-normal/arm64/SwiftSerial.SwiftFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftSerial.build/Debug-iphoneos/SwiftSerial-t.build/Objects-normal/arm64/SwiftSerial.LinkFileList (in target 'SwiftSerial' from project 'SwiftSerial')
cd /Users/admin/builder/spi-builder-workspace
write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftSerial.build/Debug-iphoneos/SwiftSerial-t.build/Objects-normal/arm64/SwiftSerial.LinkFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftSerial.build/Debug-iphoneos/SwiftSerial-t.build/Objects-normal/arm64/SwiftSerial-OutputFileMap.json (in target 'SwiftSerial' from project 'SwiftSerial')
cd /Users/admin/builder/spi-builder-workspace
write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftSerial.build/Debug-iphoneos/SwiftSerial-t.build/Objects-normal/arm64/SwiftSerial-OutputFileMap.json
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftSerial.build/Debug-iphoneos/SwiftSerial-t.build/Objects-normal/arm64/SwiftSerial.SwiftConstValuesFileList (in target 'SwiftSerial' from project 'SwiftSerial')
cd /Users/admin/builder/spi-builder-workspace
write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftSerial.build/Debug-iphoneos/SwiftSerial-t.build/Objects-normal/arm64/SwiftSerial.SwiftConstValuesFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftSerial.build/Debug-iphoneos/SwiftSerial-t.build/Objects-normal/arm64/SwiftSerial_const_extract_protocols.json (in target 'SwiftSerial' from project 'SwiftSerial')
cd /Users/admin/builder/spi-builder-workspace
write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftSerial.build/Debug-iphoneos/SwiftSerial-t.build/Objects-normal/arm64/SwiftSerial_const_extract_protocols.json
Copy /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/GeneratedModuleMaps-iphoneos/SwiftSerial.modulemap /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftSerial.build/Debug-iphoneos/SwiftSerial-t.build/SwiftSerial.modulemap (in target 'SwiftSerial' from project 'SwiftSerial')
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/SwiftSerial.build/Debug-iphoneos/SwiftSerial-t.build/SwiftSerial.modulemap /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/GeneratedModuleMaps-iphoneos
SwiftDriver SwiftSerial normal arm64 com.apple.xcode.tools.swift.compiler (in target 'SwiftSerial' from project 'SwiftSerial')
cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
builtin-SwiftDriver -- /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swiftc -parse-as-library -module-name SwiftSerial -Onone @/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftSerial.build/Debug-iphoneos/SwiftSerial-t.build/Objects-normal/arm64/SwiftSerial.SwiftFileList -DSWIFT_PACKAGE -DDEBUG -DSWIFT_MODULE_RESOURCE_BUNDLE_UNAVAILABLE -DXcode -plugin-path /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/plugins/testing -enable-experimental-feature DebugDescriptionMacro -sdk /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS27.0.sdk -target arm64-apple-ios15.0 -g -module-cache-path /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex -Xfrontend -serialize-debugging-options -enable-testing -index-store-path /Users/admin/builder/spi-builder-workspace/.derivedData/Index.noindex/DataStore -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-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/usr/lib -F /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-iphoneos -F /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/Library/Frameworks -F /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS27.0.sdk/Developer/Library/Frameworks -c -j10 -enable-batch-mode -incremental -Xcc -ivfsstatcache -Xcc /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/iphoneos27.0-24A430-e829b21a6f8c9b70876ba0858053c04440ceaa042ed91876912b2eeea4e3aa14.sdkstatcache -output-file-map /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftSerial.build/Debug-iphoneos/SwiftSerial-t.build/Objects-normal/arm64/SwiftSerial-OutputFileMap.json -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/SDKExplicitPrecompiledModules -emit-dependencies -emit-module -emit-module-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftSerial.build/Debug-iphoneos/SwiftSerial-t.build/Objects-normal/arm64/SwiftSerial.swiftmodule -serialize-diagnostics -dependency-scan-serialize-diagnostics-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftSerial.build/Debug-iphoneos/SwiftSerial-t.build/Objects-normal/arm64/SwiftSerial-dependency-scan.dia -validate-clang-modules-once -clang-build-session-file /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/Session.modulevalidation -Xcc -fmodules-prune-interval\=86400 -Xcc -fmodules-prune-after\=345600 -package-name spi_builder_workspace -emit-const-values -const-gather-protocols-list /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftSerial.build/Debug-iphoneos/SwiftSerial-t.build/Objects-normal/arm64/SwiftSerial_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/SwiftSerial.build/Debug-iphoneos/SwiftSerial-t.build/DerivedSources-normal/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftSerial.build/Debug-iphoneos/SwiftSerial-t.build/DerivedSources/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftSerial.build/Debug-iphoneos/SwiftSerial-t.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/SwiftSerial.build/Debug-iphoneos/SwiftSerial-t.build/Objects-normal/arm64/SwiftSerial-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/SDKExplicitPrecompiledModules/_AvailabilityInternal-3RI5Y5TKNUVCSZS0AWA4QTVBL.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/SwiftShims-2T1JKJY1CNAX17AUPWM2I7WV9.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/_Builtin_float-C9YPEHM4CFZRZANG7FZUAXNEM.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/_SwiftConcurrencyShims-1YQ444MGGYMS6A2AOV77GJGQW.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/ptrauth-AW885YIGD3C9FM93EVUVX6RSX.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/_Builtin_stdarg-68742DYUXT1W2MV2M7VLNH88N.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/ptrcheck-7IAJ7MPM56KRQ7DVR098RZHZ.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/_Builtin_stddef-497PWUKWYPOGQHRSPKM0T1465.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/_Builtin_stdbool-8O3N4J6YVKHLL0V45IVQS8NH2.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/_DarwinFoundation1-CM7XFNS1BWR7TJ77APPPZNEYV.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/_Builtin_limits-DZCNUPSJE8VFID4WNCB288197.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/_DarwinFoundation2-B59V6W3XU16CLURAS03HJS6YW.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/sys_types-362M33UJYX5FN4RCNSGM7NM1D.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/string_h-1Q2U6QG8BMVR0IC2U25873FPM.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/_Builtin_stdint-6SFA8FHKKN84TABC4YGTRQP9K.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/_DarwinFoundation3-DYY938WDNPDWGPOGH1M1QUITA.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/_Builtin_inttypes-65FJ2B2J1AEG8S0QD4ORVM8AF.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/Darwin-7BRJ35O6AB5WG6M0QJKB4XRFG.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/ObjectiveC-2XPQ6U9PP7GEYPPG4LGBZBUCL.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/os_object-CN4Y7T89Q3YQ2MKXLFROZXLDT.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/os_workgroup-5UBI4P9YBOBEVSY2WVPGNJBP0.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/Dispatch-BO6SVQF0IH8VODEHY7FQBERTL.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/XPC-8RGSM7SGRDPX6RCK48IA80D7H.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/CoreFoundation-3BXWUG13YYK3VV3PI7VYJJI74.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/Security-8HI917VU3DURPJQDVV46744EJ.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/CFNetwork-6ICAZ6DACHUVURN640VOBA1EC.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/Foundation-ECOO1J2N4MYJUH0P49Q2U9DM8.pcm
SwiftEmitModule normal arm64 Emitting\ module\ for\ SwiftSerial (in target 'SwiftSerial' from project 'SwiftSerial')
SwiftCompile normal arm64 (in target 'SwiftSerial' from project 'SwiftSerial')
cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
/Users/admin/builder/spi-builder-workspace/Sources/SwiftSerial/SerialPort.swift:215:3: error: cannot find 'specialCharacters' in scope
213 | #endif
214 |
215 | specialCharacters.VMIN = cc_t(minimumBytesToRead)
| `- error: cannot find 'specialCharacters' in scope
216 | specialCharacters.VTIME = cc_t(timeout)
217 | settings.c_cc = specialCharacters
/Users/admin/builder/spi-builder-workspace/Sources/SwiftSerial/SerialPort.swift:216:3: error: cannot find 'specialCharacters' in scope
214 |
215 | specialCharacters.VMIN = cc_t(minimumBytesToRead)
216 | specialCharacters.VTIME = cc_t(timeout)
| `- error: cannot find 'specialCharacters' in scope
217 | settings.c_cc = specialCharacters
218 |
/Users/admin/builder/spi-builder-workspace/Sources/SwiftSerial/SerialPort.swift:217:19: error: cannot find 'specialCharacters' in scope
215 | specialCharacters.VMIN = cc_t(minimumBytesToRead)
216 | specialCharacters.VTIME = cc_t(timeout)
217 | settings.c_cc = specialCharacters
| `- error: cannot find 'specialCharacters' in scope
218 |
219 | // Commit settings
Failed frontend command:
/Applications/Xcode-27.0.0-Release.Candidate.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/SwiftSerial/BaudRate.swift /Users/admin/builder/spi-builder-workspace/Sources/SwiftSerial/DataBitsSize.swift /Users/admin/builder/spi-builder-workspace/Sources/SwiftSerial/ParityType.swift /Users/admin/builder/spi-builder-workspace/Sources/SwiftSerial/PortError.swift /Users/admin/builder/spi-builder-workspace/Sources/SwiftSerial/PortMode.swift /Users/admin/builder/spi-builder-workspace/Sources/SwiftSerial/SerialPort.swift -target arm64-apple-ios15.0 -disable-cross-import-overlay-search -load-resolved-plugin /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/usr/lib/swift/host/plugins/libFoundationMacros.dylib\#/Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/usr/bin/swift-plugin-server\#FoundationMacros -load-resolved-plugin /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/usr/lib/swift/host/plugins/libObservationMacros.dylib\#/Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/usr/bin/swift-plugin-server\#ObservationMacros -load-resolved-plugin /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/usr/lib/swift/host/plugins/libSwiftMacros.dylib\#/Applications/Xcode-27.0.0-Release.Candidate.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/SwiftSerial.build/Debug-iphoneos/SwiftSerial-t.build/Objects-normal/arm64/SwiftSerial-dependencies-1.json -Xllvm -aarch64-use-tbi -enable-objc-interop -stack-check -sdk /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS27.0.sdk -I /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-iphoneos -Isystem /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/usr/lib -F /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-iphoneos -F /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/Library/Frameworks -F /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS27.0.sdk/Developer/Library/Frameworks -module-cache-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftExplicitPrecompiledModules -no-color-diagnostics -Xcc -fno-color-diagnostics -enable-testing -g -debug-info-format\=dwarf -dwarf-version\=4 -swift-version 6 -Onone -D SWIFT_PACKAGE -D DEBUG -D SWIFT_MODULE_RESOURCE_BUNDLE_UNAVAILABLE -D Xcode -serialize-debugging-options -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/iphoneos27.0-24A430-e829b21a6f8c9b70876ba0858053c04440ceaa042ed91876912b2eeea4e3aa14.sdkstatcache -Xcc -fmodules-prune-interval\=86400 -Xcc -fmodules-prune-after\=345600 -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/SwiftSerial.build/Debug-iphoneos/SwiftSerial-t.build/DerivedSources-normal/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftSerial.build/Debug-iphoneos/SwiftSerial-t.build/DerivedSources/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftSerial.build/Debug-iphoneos/SwiftSerial-t.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG\=1 -no-auto-bridging-header-chaining -module-name SwiftSerial -package-name spi_builder_workspace -const-gather-protocols-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftSerial.build/Debug-iphoneos/SwiftSerial-t.build/Objects-normal/arm64/SwiftSerial_const_extract_protocols.json -disable-clang-spi -clang-target arm64-apple-ios27.0 -target-sdk-version 27.0 -target-sdk-name iphoneos27.0 -in-process-plugin-server-path /Applications/Xcode-27.0.0-Release.Candidate.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/SwiftSerial.build/Debug-iphoneos/SwiftSerial-t.build/Objects-normal/arm64/SwiftSerial.swiftdoc -emit-module-source-info-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftSerial.build/Debug-iphoneos/SwiftSerial-t.build/Objects-normal/arm64/SwiftSerial.swiftsourceinfo -emit-objc-header-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftSerial.build/Debug-iphoneos/SwiftSerial-t.build/Objects-normal/arm64/SwiftSerial-Swift.h -serialize-diagnostics-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftSerial.build/Debug-iphoneos/SwiftSerial-t.build/Objects-normal/arm64/SwiftSerial-primary-emit-module.dia -emit-dependencies-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftSerial.build/Debug-iphoneos/SwiftSerial-t.build/Objects-normal/arm64/SwiftSerial-primary-emit-module.d -parse-as-library -o /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftSerial.build/Debug-iphoneos/SwiftSerial-t.build/Objects-normal/arm64/SwiftSerial.swiftmodule -emit-abi-descriptor-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftSerial.build/Debug-iphoneos/SwiftSerial-t.build/Objects-normal/arm64/SwiftSerial.abi.json
SwiftCompile normal arm64 Compiling\ DataBitsSize.swift /Users/admin/builder/spi-builder-workspace/Sources/SwiftSerial/DataBitsSize.swift (in target 'SwiftSerial' from project 'SwiftSerial')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/SwiftSerial/DataBitsSize.swift (in target 'SwiftSerial' from project 'SwiftSerial')
cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
builtin-SwiftPerFileCompile DataBitsSize.swift
SwiftCompile normal arm64 Compiling\ SerialPort.swift /Users/admin/builder/spi-builder-workspace/Sources/SwiftSerial/SerialPort.swift (in target 'SwiftSerial' from project 'SwiftSerial')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/SwiftSerial/SerialPort.swift (in target 'SwiftSerial' from project 'SwiftSerial')
cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
builtin-SwiftPerFileCompile SerialPort.swift
SwiftCompile normal arm64 Compiling\ PortError.swift /Users/admin/builder/spi-builder-workspace/Sources/SwiftSerial/PortError.swift (in target 'SwiftSerial' from project 'SwiftSerial')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/SwiftSerial/PortError.swift (in target 'SwiftSerial' from project 'SwiftSerial')
cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
builtin-SwiftPerFileCompile PortError.swift
SwiftCompile normal arm64 Compiling\ PortMode.swift /Users/admin/builder/spi-builder-workspace/Sources/SwiftSerial/PortMode.swift (in target 'SwiftSerial' from project 'SwiftSerial')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/SwiftSerial/PortMode.swift (in target 'SwiftSerial' from project 'SwiftSerial')
cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
builtin-SwiftPerFileCompile PortMode.swift
SwiftCompile normal arm64 Compiling\ BaudRate.swift /Users/admin/builder/spi-builder-workspace/Sources/SwiftSerial/BaudRate.swift (in target 'SwiftSerial' from project 'SwiftSerial')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/SwiftSerial/BaudRate.swift (in target 'SwiftSerial' from project 'SwiftSerial')
cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
builtin-SwiftPerFileCompile BaudRate.swift
SwiftCompile normal arm64 Compiling\ ParityType.swift /Users/admin/builder/spi-builder-workspace/Sources/SwiftSerial/ParityType.swift (in target 'SwiftSerial' from project 'SwiftSerial')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/SwiftSerial/ParityType.swift (in target 'SwiftSerial' from project 'SwiftSerial')
cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
builtin-SwiftPerFileCompile ParityType.swift
PruneExplicitPrecompiledModules /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/ExplicitPrecompiledModules
PruneExplicitPrecompiledModules /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftExplicitPrecompiledModules
PruneExplicitPrecompiledModules /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules
2026-09-23 21:55:31.178 xcodebuild[629:3908] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
2026-09-23 21:55:31.318 xcodebuild[629:3908] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
2026-09-23 21:55:32.028 xcodebuild[629:3908] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
** BUILD FAILED **
The following build commands failed:
SwiftCompile normal arm64 (in target 'SwiftSerial' from project 'SwiftSerial')
SwiftEmitModule normal arm64 Emitting\ module\ for\ SwiftSerial (in target 'SwiftSerial' from project 'SwiftSerial')
Building workspace SwiftSerial with scheme SwiftSerial
(3 failures)
Command line invocation:
/Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/usr/bin/xcodebuild -IDEClonedSourcePackagesDirPathOverride=/Users/admin/builder/spi-builder-workspace/.dependencies -resolvePackageDependencies
Resolve Package Graph
Resolved source packages:
SwiftSerial: /Users/admin/builder/spi-builder-workspace
resolved source packages: SwiftSerial
2026-09-23 21:55:36.087 xcodebuild[678:4129] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
2026-09-23 21:55:36.227 xcodebuild[678:4129] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
{
"dependencies" : [
],
"manifest_display_name" : "SwiftSerial",
"name" : "SwiftSerial",
"path" : "/Users/admin/builder/spi-builder-workspace",
"platforms" : [
{
"name" : "macos",
"version" : "10.15"
}
],
"products" : [
{
"name" : "SwiftSerial",
"targets" : [
"SwiftSerial"
],
"type" : {
"library" : [
"automatic"
]
}
}
],
"targets" : [
{
"c99name" : "SwiftSerial",
"module_type" : "SwiftTarget",
"name" : "SwiftSerial",
"path" : "Sources/SwiftSerial",
"product_memberships" : [
"SwiftSerial"
],
"sources" : [
"BaudRate.swift",
"DataBitsSize.swift",
"ParityType.swift",
"PortError.swift",
"PortMode.swift",
"SerialPort.swift"
],
"type" : "library"
}
],
"tools_version" : "6.2"
}
{
"workspace" : {
"name" : "SwiftSerial",
"schemes" : [
"SerialTerminal",
"SwiftSerial"
]
}
}
2026-09-23 21:55:37.297 xcodebuild[686:4193] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
2026-09-23 21:55:37.437 xcodebuild[686:4193] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
{
"workspace" : {
"name" : "SwiftSerial",
"schemes" : [
"SerialTerminal",
"SwiftSerial"
]
}
}
2026-09-23 21:55:38.270 xcodebuild[688:4223] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
2026-09-23 21:55:38.410 xcodebuild[688:4223] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-27.0.0-Release.Candidate.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme SwiftSerial -destination generic/platform=iOS
Command line invocation:
/Applications/Xcode-27.0.0-Release.Candidate.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 SwiftSerial -destination generic/platform=iOS
Resolve Package Graph
Resolved source packages:
SwiftSerial: /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 'SwiftSerial-product' in project 'SwiftSerial'
➜ Explicit dependency on target 'SwiftSerial' in project 'SwiftSerial'
Target 'SwiftSerial' in project 'SwiftSerial' (no dependencies)
GatherProvisioningInputs
CreateBuildDescription
ClangStatCache /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang-stat-cache /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS27.0.sdk /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/iphoneos27.0-24A430-e829b21a6f8c9b70876ba0858053c04440ceaa042ed91876912b2eeea4e3aa14.sdkstatcache
cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
/Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang-stat-cache /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS27.0.sdk -o /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/iphoneos27.0-24A430-e829b21a6f8c9b70876ba0858053c04440ceaa042ed91876912b2eeea4e3aa14.sdkstatcache
SwiftDriver SwiftSerial normal arm64 com.apple.xcode.tools.swift.compiler (in target 'SwiftSerial' from project 'SwiftSerial')
cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
builtin-SwiftDriver -- /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swiftc -parse-as-library -module-name SwiftSerial -Onone @/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftSerial.build/Debug-iphoneos/SwiftSerial-t.build/Objects-normal/arm64/SwiftSerial.SwiftFileList -DSWIFT_PACKAGE -DDEBUG -DSWIFT_MODULE_RESOURCE_BUNDLE_UNAVAILABLE -DXcode -plugin-path /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/plugins/testing -enable-experimental-feature DebugDescriptionMacro -sdk /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS27.0.sdk -target arm64-apple-ios15.0 -g -module-cache-path /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex -Xfrontend -serialize-debugging-options -enable-testing -index-store-path /Users/admin/builder/spi-builder-workspace/.derivedData/Index.noindex/DataStore -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-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/usr/lib -F /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-iphoneos -F /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/Library/Frameworks -F /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS27.0.sdk/Developer/Library/Frameworks -c -j10 -enable-batch-mode -incremental -Xcc -ivfsstatcache -Xcc /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/iphoneos27.0-24A430-e829b21a6f8c9b70876ba0858053c04440ceaa042ed91876912b2eeea4e3aa14.sdkstatcache -output-file-map /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftSerial.build/Debug-iphoneos/SwiftSerial-t.build/Objects-normal/arm64/SwiftSerial-OutputFileMap.json -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/SDKExplicitPrecompiledModules -emit-dependencies -emit-module -emit-module-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftSerial.build/Debug-iphoneos/SwiftSerial-t.build/Objects-normal/arm64/SwiftSerial.swiftmodule -serialize-diagnostics -dependency-scan-serialize-diagnostics-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftSerial.build/Debug-iphoneos/SwiftSerial-t.build/Objects-normal/arm64/SwiftSerial-dependency-scan.dia -validate-clang-modules-once -clang-build-session-file /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/Session.modulevalidation -Xcc -fmodules-prune-interval\=86400 -Xcc -fmodules-prune-after\=345600 -package-name spi_builder_workspace -emit-const-values -const-gather-protocols-list /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftSerial.build/Debug-iphoneos/SwiftSerial-t.build/Objects-normal/arm64/SwiftSerial_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/SwiftSerial.build/Debug-iphoneos/SwiftSerial-t.build/DerivedSources-normal/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftSerial.build/Debug-iphoneos/SwiftSerial-t.build/DerivedSources/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftSerial.build/Debug-iphoneos/SwiftSerial-t.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/SwiftSerial.build/Debug-iphoneos/SwiftSerial-t.build/Objects-normal/arm64/SwiftSerial-Swift.h -working-directory /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode -experimental-emit-module-separately -disable-cmo
SwiftCompile normal arm64 Compiling\ ParityType.swift /Users/admin/builder/spi-builder-workspace/Sources/SwiftSerial/ParityType.swift (in target 'SwiftSerial' from project 'SwiftSerial')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/SwiftSerial/ParityType.swift (in target 'SwiftSerial' from project 'SwiftSerial')
cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
builtin-SwiftPerFileCompile ParityType.swift
SwiftCompile normal arm64 Compiling\ PortMode.swift /Users/admin/builder/spi-builder-workspace/Sources/SwiftSerial/PortMode.swift (in target 'SwiftSerial' from project 'SwiftSerial')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/SwiftSerial/PortMode.swift (in target 'SwiftSerial' from project 'SwiftSerial')
cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
builtin-SwiftPerFileCompile PortMode.swift
SwiftEmitModule normal arm64 Emitting\ module\ for\ SwiftSerial (in target 'SwiftSerial' from project 'SwiftSerial')
/Users/admin/builder/spi-builder-workspace/Sources/SwiftSerial/SerialPort.swift:215:3: error: cannot find 'specialCharacters' in scope
213 | #endif
214 |
215 | specialCharacters.VMIN = cc_t(minimumBytesToRead)
| `- error: cannot find 'specialCharacters' in scope
216 | specialCharacters.VTIME = cc_t(timeout)
217 | settings.c_cc = specialCharacters
/Users/admin/builder/spi-builder-workspace/Sources/SwiftSerial/SerialPort.swift:216:3: error: cannot find 'specialCharacters' in scope
214 |
215 | specialCharacters.VMIN = cc_t(minimumBytesToRead)
216 | specialCharacters.VTIME = cc_t(timeout)
| `- error: cannot find 'specialCharacters' in scope
217 | settings.c_cc = specialCharacters
218 |
/Users/admin/builder/spi-builder-workspace/Sources/SwiftSerial/SerialPort.swift:217:19: error: cannot find 'specialCharacters' in scope
215 | specialCharacters.VMIN = cc_t(minimumBytesToRead)
216 | specialCharacters.VTIME = cc_t(timeout)
217 | settings.c_cc = specialCharacters
| `- error: cannot find 'specialCharacters' in scope
218 |
219 | // Commit settings
Failed frontend command:
/Applications/Xcode-27.0.0-Release.Candidate.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/SwiftSerial/BaudRate.swift /Users/admin/builder/spi-builder-workspace/Sources/SwiftSerial/DataBitsSize.swift /Users/admin/builder/spi-builder-workspace/Sources/SwiftSerial/ParityType.swift /Users/admin/builder/spi-builder-workspace/Sources/SwiftSerial/PortError.swift /Users/admin/builder/spi-builder-workspace/Sources/SwiftSerial/PortMode.swift /Users/admin/builder/spi-builder-workspace/Sources/SwiftSerial/SerialPort.swift -target arm64-apple-ios15.0 -disable-cross-import-overlay-search -load-resolved-plugin /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/usr/lib/swift/host/plugins/libFoundationMacros.dylib\#/Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/usr/bin/swift-plugin-server\#FoundationMacros -load-resolved-plugin /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/usr/lib/swift/host/plugins/libObservationMacros.dylib\#/Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/usr/bin/swift-plugin-server\#ObservationMacros -load-resolved-plugin /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/usr/lib/swift/host/plugins/libSwiftMacros.dylib\#/Applications/Xcode-27.0.0-Release.Candidate.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/SwiftSerial.build/Debug-iphoneos/SwiftSerial-t.build/Objects-normal/arm64/SwiftSerial-dependencies-1.json -Xllvm -aarch64-use-tbi -enable-objc-interop -stack-check -sdk /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS27.0.sdk -I /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-iphoneos -Isystem /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/usr/lib -F /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-iphoneos -F /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/Library/Frameworks -F /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS27.0.sdk/Developer/Library/Frameworks -module-cache-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftExplicitPrecompiledModules -no-color-diagnostics -Xcc -fno-color-diagnostics -enable-testing -g -debug-info-format\=dwarf -dwarf-version\=4 -swift-version 6 -Onone -D SWIFT_PACKAGE -D DEBUG -D SWIFT_MODULE_RESOURCE_BUNDLE_UNAVAILABLE -D Xcode -serialize-debugging-options -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/iphoneos27.0-24A430-e829b21a6f8c9b70876ba0858053c04440ceaa042ed91876912b2eeea4e3aa14.sdkstatcache -Xcc -fmodules-prune-interval\=86400 -Xcc -fmodules-prune-after\=345600 -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/SwiftSerial.build/Debug-iphoneos/SwiftSerial-t.build/DerivedSources-normal/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftSerial.build/Debug-iphoneos/SwiftSerial-t.build/DerivedSources/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftSerial.build/Debug-iphoneos/SwiftSerial-t.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG\=1 -no-auto-bridging-header-chaining -module-name SwiftSerial -package-name spi_builder_workspace -const-gather-protocols-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftSerial.build/Debug-iphoneos/SwiftSerial-t.build/Objects-normal/arm64/SwiftSerial_const_extract_protocols.json -disable-clang-spi -clang-target arm64-apple-ios27.0 -target-sdk-version 27.0 -target-sdk-name iphoneos27.0 -in-process-plugin-server-path /Applications/Xcode-27.0.0-Release.Candidate.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/SwiftSerial.build/Debug-iphoneos/SwiftSerial-t.build/Objects-normal/arm64/SwiftSerial.swiftdoc -emit-module-source-info-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftSerial.build/Debug-iphoneos/SwiftSerial-t.build/Objects-normal/arm64/SwiftSerial.swiftsourceinfo -emit-objc-header-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftSerial.build/Debug-iphoneos/SwiftSerial-t.build/Objects-normal/arm64/SwiftSerial-Swift.h -serialize-diagnostics-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftSerial.build/Debug-iphoneos/SwiftSerial-t.build/Objects-normal/arm64/SwiftSerial-primary-emit-module.dia -emit-dependencies-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftSerial.build/Debug-iphoneos/SwiftSerial-t.build/Objects-normal/arm64/SwiftSerial-primary-emit-module.d -parse-as-library -o /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftSerial.build/Debug-iphoneos/SwiftSerial-t.build/Objects-normal/arm64/SwiftSerial.swiftmodule -emit-abi-descriptor-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftSerial.build/Debug-iphoneos/SwiftSerial-t.build/Objects-normal/arm64/SwiftSerial.abi.json
SwiftCompile normal arm64 (in target 'SwiftSerial' from project 'SwiftSerial')
cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
SwiftCompile normal arm64 Compiling\ SerialPort.swift /Users/admin/builder/spi-builder-workspace/Sources/SwiftSerial/SerialPort.swift (in target 'SwiftSerial' from project 'SwiftSerial')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/SwiftSerial/SerialPort.swift (in target 'SwiftSerial' from project 'SwiftSerial')
cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
builtin-SwiftPerFileCompile SerialPort.swift
SwiftCompile normal arm64 Compiling\ PortError.swift /Users/admin/builder/spi-builder-workspace/Sources/SwiftSerial/PortError.swift (in target 'SwiftSerial' from project 'SwiftSerial')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/SwiftSerial/PortError.swift (in target 'SwiftSerial' from project 'SwiftSerial')
cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
builtin-SwiftPerFileCompile PortError.swift
SwiftCompile normal arm64 Compiling\ DataBitsSize.swift /Users/admin/builder/spi-builder-workspace/Sources/SwiftSerial/DataBitsSize.swift (in target 'SwiftSerial' from project 'SwiftSerial')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/SwiftSerial/DataBitsSize.swift (in target 'SwiftSerial' from project 'SwiftSerial')
cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
builtin-SwiftPerFileCompile DataBitsSize.swift
SwiftCompile normal arm64 Compiling\ BaudRate.swift /Users/admin/builder/spi-builder-workspace/Sources/SwiftSerial/BaudRate.swift (in target 'SwiftSerial' from project 'SwiftSerial')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/SwiftSerial/BaudRate.swift (in target 'SwiftSerial' from project 'SwiftSerial')
cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
builtin-SwiftPerFileCompile BaudRate.swift
PruneExplicitPrecompiledModules /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftExplicitPrecompiledModules
PruneExplicitPrecompiledModules /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules
PruneExplicitPrecompiledModules /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/ExplicitPrecompiledModules
2026-09-23 21:55:39.220 xcodebuild[689:4247] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
2026-09-23 21:55:39.362 xcodebuild[689:4247] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
2026-09-23 21:55:39.581 xcodebuild[689:4247] [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\ SwiftSerial (in target 'SwiftSerial' from project 'SwiftSerial')
SwiftCompile normal arm64 (in target 'SwiftSerial' from project 'SwiftSerial')
Building workspace SwiftSerial with scheme SwiftSerial
(3 failures)
BUILD FAILURE 6.4 iOS