Swift Package IndexBuild Information
Failed to build SwiftSerial, reference master (5dea24), with Swift 6.4 for visionOS using Xcode 27.0 on 16 Sep 2026 19:35:30 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=xrOSBuild Log
========================================
RunAll
========================================
Builder version: 5.1.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/yeokm1/swiftserial.git
Reference: master
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/yeokm1/swiftserial
* branch master -> FETCH_HEAD
* [new branch] master -> origin/master
HEAD is now at 5dea242 Update README.md
Cloned https://github.com/yeokm1/swiftserial.git
Revision (git rev-parse @):
5dea242daa3da7bfb74a6bb02c039966882e7045
SUCCESS checkout https://github.com/yeokm1/swiftserial.git at master
========================================
Build
========================================
Selected platform: visionOS
Swift version: 6.4
Building package at path: $PWD
https://github.com/yeokm1/swiftserial.git
Command line invocation:
/Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/usr/bin/xcodebuild -IDEClonedSourcePackagesDirPathOverride=/Users/admin/builder/spi-builder-workspace/.dependencies -resolvePackageDependencies
Resolve Package Graph
Resolve Package Graph
Resolved source packages:
SwiftSerial: /Users/admin/builder/spi-builder-workspace
resolved source packages: SwiftSerial
2026-09-16 15:34:39.207 xcodebuild[525:3014] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
{
"dependencies" : [
],
"manifest_display_name" : "SwiftSerial",
"name" : "SwiftSerial",
"path" : "/Users/admin/builder/spi-builder-workspace",
"platforms" : [
],
"products" : [
{
"name" : "SwiftSerial",
"targets" : [
"SwiftSerial"
],
"type" : {
"library" : [
"automatic"
]
}
}
],
"targets" : [
{
"c99name" : "SwiftSerial",
"module_type" : "SwiftTarget",
"name" : "SwiftSerial",
"path" : "Sources",
"product_memberships" : [
"SwiftSerial"
],
"sources" : [
"SwiftSerial.swift"
],
"type" : "library"
}
],
"tools_version" : "5.0"
}
{
"workspace" : {
"name" : "SwiftSerial",
"schemes" : [
"SwiftSerial"
]
}
}
2026-09-16 15:35:20.219 xcodebuild[622:3907] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-27.0.0-Release.Candidate.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme SwiftSerial -destination generic/platform=xrOS
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=xrOS
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/XROS.platform/Developer/SDKs/XROS27.0.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: 75d3fa4080eb02130a45217b481c2b56
Build description path: /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/XCBuildData/75d3fa4080eb02130a45217b481c2b56.xcbuilddata
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/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/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/XROS.platform/Developer/SDKs/XROS27.0.sdk /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/xros27.0-24M361-e829b21a6f8c9b70876ba0858053c044735bd543db762f57723cac368afd1ce4.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/XROS.platform/Developer/SDKs/XROS27.0.sdk -o /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/xros27.0-24M361-e829b21a6f8c9b70876ba0858053c044735bd543db762f57723cac368afd1ce4.sdkstatcache
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/Products/Debug-xros
cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
builtin-create-build-directory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-xros
CreateBuildDirectory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/EagerLinkingTBDs/Debug-xros
cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
builtin-create-build-directory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/EagerLinkingTBDs/Debug-xros
CreateBuildDirectory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-xros/PackageFrameworks
cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
builtin-create-build-directory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-xros/PackageFrameworks
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftSerial.build/Debug-xros/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-xros/SwiftSerial-t.build/SwiftSerial.DependencyMetadataFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftSerial.build/Debug-xros/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-xros/SwiftSerial-t.build/SwiftSerial.DependencyStaticMetadataFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftSerial.build/Debug-xros/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-xros/SwiftSerial-t.build/SwiftSerial.modulemap
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftSerial.build/Debug-xros/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-xros/SwiftSerial-t.build/Objects-normal/arm64/SwiftSerial.LinkFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftSerial.build/Debug-xros/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-xros/SwiftSerial-t.build/Objects-normal/arm64/SwiftSerial.SwiftFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftSerial.build/Debug-xros/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-xros/SwiftSerial-t.build/Objects-normal/arm64/SwiftSerial.SwiftConstValuesFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftSerial.build/Debug-xros/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-xros/SwiftSerial-t.build/Objects-normal/arm64/SwiftSerial_const_extract_protocols.json
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftSerial.build/Debug-xros/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-xros/SwiftSerial-t.build/Objects-normal/arm64/SwiftSerial-OutputFileMap.json
Copy /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/GeneratedModuleMaps-xros/SwiftSerial.modulemap /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftSerial.build/Debug-xros/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-xros/SwiftSerial-t.build/SwiftSerial.modulemap /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/GeneratedModuleMaps-xros
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-xros/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/XROS.platform/Developer/SDKs/XROS27.0.sdk -target arm64-apple-xros1.0 -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 5 -I /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-xros -Isystem /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/XROS.platform/Developer/usr/lib -F /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-xros -F /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/XROS.platform/Developer/Library/Frameworks -F /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/XROS.platform/Developer/SDKs/XROS27.0.sdk/Developer/Library/Frameworks -c -j10 -enable-batch-mode -incremental -Xcc -ivfsstatcache -Xcc /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/xros27.0-24M361-e829b21a6f8c9b70876ba0858053c044735bd543db762f57723cac368afd1ce4.sdkstatcache -output-file-map /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftSerial.build/Debug-xros/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-xros/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-xros/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 -emit-const-values -const-gather-protocols-list /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftSerial.build/Debug-xros/SwiftSerial-t.build/Objects-normal/arm64/SwiftSerial_const_extract_protocols.json -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-xros/include -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftSerial.build/Debug-xros/SwiftSerial-t.build/DerivedSources-normal/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftSerial.build/Debug-xros/SwiftSerial-t.build/DerivedSources/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftSerial.build/Debug-xros/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-xros/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/_Builtin_stdarg-CDA349K2K4US766844K8E0PVA.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/ptrcheck-BXA97MNLI4BB0HF5I8MJE403D.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/SwiftShims-CI4H5RO9IYFFWQ2COB512Q2S9.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/_Builtin_float-6WKHNW5S40U2QGHXXGETUDIRA.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/_Builtin_stddef-5NQ9Z1GV07GBSRQGAQCGXGVRI.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/_SwiftConcurrencyShims-C8XHKSHX96D5YYALNM4W70Z0O.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/_Builtin_stdbool-5BU2ADS7JXQMYENKQHW9X8XOU.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/_AvailabilityInternal-1Q8IQP6M38UWSGZ95UCEY2M44.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/ptrauth-1WBA714DZSVUL5JQDJ08CLKZ.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/_DarwinFoundation1-5RGRVV2TZ6WC4WZW5IXF8NQ04.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/_DarwinFoundation2-ENTECK156YEWITZRRBTOCE4KR.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/_Builtin_limits-425JDMN5HPM3D0UEI8LEHP6NM.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/sys_types-AYM0BHR77VKMWZCO2T0XGV2HF.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/string_h-2GT67HHHHK5CF1V1S31LH0PU2.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/_Builtin_stdint-8OR6T47OOYJA90ZBO3N1USDE.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/_DarwinFoundation3-9ZHN6JKBS40BBA81RQMV8H0IC.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/_Builtin_inttypes-11B64KJD36B3YOHBR1BBXBJY8.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/Darwin-60P5LVNQO3ESRRM5DCJ05PFNK.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/ObjectiveC-26TIBFYCEJZVP216ZZAU1X8KN.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/os_object-692CJ8BG6RE5H04487EJJOVXW.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/os_workgroup-4U1VXMWIZD80E7PRUQF2G7P9X.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/Dispatch-CLT3466HKC22GCKAWSCNG0H7T.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/CoreFoundation-AVLTZVCXBU2TO75JCN4AGU8XJ.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/XPC-EP5EU7FNGP4VOA3EDM18P1KHO.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/CFNetwork-5MI70N1VLDQSWTX4COWLMSIRO.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/Security-8TH2M8WJIQMET4SADWX0N8372.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/Foundation-8GON1KVEKRN3NOQI8RETBRWJP.pcm
SwiftCompile normal arm64 Compiling\ SwiftSerial.swift /Users/admin/builder/spi-builder-workspace/Sources/SwiftSerial.swift (in target 'SwiftSerial' from project 'SwiftSerial')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/SwiftSerial.swift (in target 'SwiftSerial' from project 'SwiftSerial')
cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
builtin-SwiftPerFileCompile SwiftSerial.swift
/Users/admin/builder/spi-builder-workspace/Sources/SwiftSerial.swift:262:42: error: cannot find type 'BaudRate' in scope
260 | }
261 |
262 | public func setSettings(receiveRate: BaudRate,
| `- error: cannot find type 'BaudRate' in scope
263 | transmitRate: BaudRate,
264 | minimumBytesToRead: Int,
SwiftEmitModule normal arm64 Emitting\ module\ for\ SwiftSerial (in target 'SwiftSerial' from project 'SwiftSerial')
/Users/admin/builder/spi-builder-workspace/Sources/SwiftSerial.swift:262:42: error: cannot find type 'BaudRate' in scope
260 | }
261 |
262 | public func setSettings(receiveRate: BaudRate,
| `- error: cannot find type 'BaudRate' in scope
263 | transmitRate: BaudRate,
264 | minimumBytesToRead: Int,
/Users/admin/builder/spi-builder-workspace/Sources/SwiftSerial.swift:263:43: error: cannot find type 'BaudRate' in scope
261 |
262 | public func setSettings(receiveRate: BaudRate,
263 | transmitRate: BaudRate,
| `- error: cannot find type 'BaudRate' in scope
264 | minimumBytesToRead: Int,
265 | timeout: Int = 0, /* 0 means wait indefinitely */
/Users/admin/builder/spi-builder-workspace/Sources/SwiftSerial.swift:354:9: error: cannot find 'specialCharacters' in scope
352 | #endif
353 |
354 | specialCharacters.VMIN = cc_t(minimumBytesToRead)
| `- error: cannot find 'specialCharacters' in scope
355 | specialCharacters.VTIME = cc_t(timeout)
356 | settings.c_cc = specialCharacters
/Users/admin/builder/spi-builder-workspace/Sources/SwiftSerial.swift:355:9: error: cannot find 'specialCharacters' in scope
353 |
354 | specialCharacters.VMIN = cc_t(minimumBytesToRead)
355 | specialCharacters.VTIME = cc_t(timeout)
| `- error: cannot find 'specialCharacters' in scope
356 | settings.c_cc = specialCharacters
357 |
/Users/admin/builder/spi-builder-workspace/Sources/SwiftSerial.swift:356:25: error: cannot find 'specialCharacters' in scope
354 | specialCharacters.VMIN = cc_t(minimumBytesToRead)
355 | specialCharacters.VTIME = cc_t(timeout)
356 | settings.c_cc = specialCharacters
| `- error: cannot find 'specialCharacters' in scope
357 |
358 | // 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.swift -target arm64-apple-xros1.0 -disable-cross-import-overlay-search -load-resolved-plugin /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/XROS.platform/Developer/usr/lib/swift/host/plugins/libFoundationMacros.dylib\#/Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/XROS.platform/Developer/usr/bin/swift-plugin-server\#FoundationMacros -load-resolved-plugin /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/XROS.platform/Developer/usr/lib/swift/host/plugins/libObservationMacros.dylib\#/Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/XROS.platform/Developer/usr/bin/swift-plugin-server\#ObservationMacros -load-resolved-plugin /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/XROS.platform/Developer/usr/lib/swift/host/plugins/libSwiftMacros.dylib\#/Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/XROS.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-xros/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/XROS.platform/Developer/SDKs/XROS27.0.sdk -I /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-xros -Isystem /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/XROS.platform/Developer/usr/lib -F /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-xros -F /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/XROS.platform/Developer/Library/Frameworks -F /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/XROS.platform/Developer/SDKs/XROS27.0.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 5 -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/xros27.0-24M361-e829b21a6f8c9b70876ba0858053c044735bd543db762f57723cac368afd1ce4.sdkstatcache -Xcc -fmodules-prune-interval\=86400 -Xcc -fmodules-prune-after\=345600 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-xros/include -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftSerial.build/Debug-xros/SwiftSerial-t.build/DerivedSources-normal/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftSerial.build/Debug-xros/SwiftSerial-t.build/DerivedSources/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftSerial.build/Debug-xros/SwiftSerial-t.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG\=1 -no-auto-bridging-header-chaining -module-name SwiftSerial -const-gather-protocols-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftSerial.build/Debug-xros/SwiftSerial-t.build/Objects-normal/arm64/SwiftSerial_const_extract_protocols.json -disable-clang-spi -clang-target arm64-apple-xros27.0 -target-sdk-version 27.0 -target-sdk-name xros27.0 -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-xros/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-xros/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-xros/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-xros/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-xros/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-xros/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-xros/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
PruneExplicitPrecompiledModules /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules
PruneExplicitPrecompiledModules /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/ExplicitPrecompiledModules
PruneExplicitPrecompiledModules /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftExplicitPrecompiledModules
2026-09-16 15:35:21.899 xcodebuild[624:3979] [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)
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
2026-09-16 15:35:27.367 xcodebuild[699:4389] [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" : [
],
"products" : [
{
"name" : "SwiftSerial",
"targets" : [
"SwiftSerial"
],
"type" : {
"library" : [
"automatic"
]
}
}
],
"targets" : [
{
"c99name" : "SwiftSerial",
"module_type" : "SwiftTarget",
"name" : "SwiftSerial",
"path" : "Sources",
"product_memberships" : [
"SwiftSerial"
],
"sources" : [
"SwiftSerial.swift"
],
"type" : "library"
}
],
"tools_version" : "5.0"
}
{
"workspace" : {
"name" : "SwiftSerial",
"schemes" : [
"SwiftSerial"
]
}
}
2026-09-16 15:35:28.558 xcodebuild[707:4454] [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=xrOS
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=xrOS
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/XROS.platform/Developer/SDKs/XROS27.0.sdk /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/xros27.0-24M361-e829b21a6f8c9b70876ba0858053c044735bd543db762f57723cac368afd1ce4.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/XROS.platform/Developer/SDKs/XROS27.0.sdk -o /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/xros27.0-24M361-e829b21a6f8c9b70876ba0858053c044735bd543db762f57723cac368afd1ce4.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-xros/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/XROS.platform/Developer/SDKs/XROS27.0.sdk -target arm64-apple-xros1.0 -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 5 -I /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-xros -Isystem /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/XROS.platform/Developer/usr/lib -F /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-xros -F /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/XROS.platform/Developer/Library/Frameworks -F /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/XROS.platform/Developer/SDKs/XROS27.0.sdk/Developer/Library/Frameworks -c -j10 -enable-batch-mode -incremental -Xcc -ivfsstatcache -Xcc /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/xros27.0-24M361-e829b21a6f8c9b70876ba0858053c044735bd543db762f57723cac368afd1ce4.sdkstatcache -output-file-map /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftSerial.build/Debug-xros/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-xros/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-xros/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 -emit-const-values -const-gather-protocols-list /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftSerial.build/Debug-xros/SwiftSerial-t.build/Objects-normal/arm64/SwiftSerial_const_extract_protocols.json -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-xros/include -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftSerial.build/Debug-xros/SwiftSerial-t.build/DerivedSources-normal/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftSerial.build/Debug-xros/SwiftSerial-t.build/DerivedSources/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftSerial.build/Debug-xros/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-xros/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\ SwiftSerial.swift /Users/admin/builder/spi-builder-workspace/Sources/SwiftSerial.swift (in target 'SwiftSerial' from project 'SwiftSerial')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/SwiftSerial.swift (in target 'SwiftSerial' from project 'SwiftSerial')
cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
builtin-SwiftPerFileCompile SwiftSerial.swift
/Users/admin/builder/spi-builder-workspace/Sources/SwiftSerial.swift:262:42: error: cannot find type 'BaudRate' in scope
260 | }
261 |
262 | public func setSettings(receiveRate: BaudRate,
| `- error: cannot find type 'BaudRate' in scope
263 | transmitRate: BaudRate,
264 | minimumBytesToRead: Int,
SwiftEmitModule normal arm64 Emitting\ module\ for\ SwiftSerial (in target 'SwiftSerial' from project 'SwiftSerial')
/Users/admin/builder/spi-builder-workspace/Sources/SwiftSerial.swift:262:42: error: cannot find type 'BaudRate' in scope
260 | }
261 |
262 | public func setSettings(receiveRate: BaudRate,
| `- error: cannot find type 'BaudRate' in scope
263 | transmitRate: BaudRate,
264 | minimumBytesToRead: Int,
/Users/admin/builder/spi-builder-workspace/Sources/SwiftSerial.swift:263:43: error: cannot find type 'BaudRate' in scope
261 |
262 | public func setSettings(receiveRate: BaudRate,
263 | transmitRate: BaudRate,
| `- error: cannot find type 'BaudRate' in scope
264 | minimumBytesToRead: Int,
265 | timeout: Int = 0, /* 0 means wait indefinitely */
/Users/admin/builder/spi-builder-workspace/Sources/SwiftSerial.swift:354:9: error: cannot find 'specialCharacters' in scope
352 | #endif
353 |
354 | specialCharacters.VMIN = cc_t(minimumBytesToRead)
| `- error: cannot find 'specialCharacters' in scope
355 | specialCharacters.VTIME = cc_t(timeout)
356 | settings.c_cc = specialCharacters
/Users/admin/builder/spi-builder-workspace/Sources/SwiftSerial.swift:355:9: error: cannot find 'specialCharacters' in scope
353 |
354 | specialCharacters.VMIN = cc_t(minimumBytesToRead)
355 | specialCharacters.VTIME = cc_t(timeout)
| `- error: cannot find 'specialCharacters' in scope
356 | settings.c_cc = specialCharacters
357 |
/Users/admin/builder/spi-builder-workspace/Sources/SwiftSerial.swift:356:25: error: cannot find 'specialCharacters' in scope
354 | specialCharacters.VMIN = cc_t(minimumBytesToRead)
355 | specialCharacters.VTIME = cc_t(timeout)
356 | settings.c_cc = specialCharacters
| `- error: cannot find 'specialCharacters' in scope
357 |
358 | // 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.swift -target arm64-apple-xros1.0 -disable-cross-import-overlay-search -load-resolved-plugin /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/XROS.platform/Developer/usr/lib/swift/host/plugins/libFoundationMacros.dylib\#/Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/XROS.platform/Developer/usr/bin/swift-plugin-server\#FoundationMacros -load-resolved-plugin /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/XROS.platform/Developer/usr/lib/swift/host/plugins/libObservationMacros.dylib\#/Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/XROS.platform/Developer/usr/bin/swift-plugin-server\#ObservationMacros -load-resolved-plugin /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/XROS.platform/Developer/usr/lib/swift/host/plugins/libSwiftMacros.dylib\#/Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/XROS.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-xros/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/XROS.platform/Developer/SDKs/XROS27.0.sdk -I /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-xros -Isystem /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/XROS.platform/Developer/usr/lib -F /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-xros -F /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/XROS.platform/Developer/Library/Frameworks -F /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/XROS.platform/Developer/SDKs/XROS27.0.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 5 -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/xros27.0-24M361-e829b21a6f8c9b70876ba0858053c044735bd543db762f57723cac368afd1ce4.sdkstatcache -Xcc -fmodules-prune-interval\=86400 -Xcc -fmodules-prune-after\=345600 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-xros/include -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftSerial.build/Debug-xros/SwiftSerial-t.build/DerivedSources-normal/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftSerial.build/Debug-xros/SwiftSerial-t.build/DerivedSources/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftSerial.build/Debug-xros/SwiftSerial-t.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG\=1 -no-auto-bridging-header-chaining -module-name SwiftSerial -const-gather-protocols-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftSerial.build/Debug-xros/SwiftSerial-t.build/Objects-normal/arm64/SwiftSerial_const_extract_protocols.json -disable-clang-spi -clang-target arm64-apple-xros27.0 -target-sdk-version 27.0 -target-sdk-name xros27.0 -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-xros/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-xros/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-xros/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-xros/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-xros/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-xros/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-xros/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
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
2026-09-16 15:35:29.487 xcodebuild[708:4484] [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 visionOS