Swift Package IndexBuild Information
Failed to build SwiftSerial, reference main (c33b44), with Swift 6.4 for visionOS using Xcode 27.0 on 24 Sep 2026 01:55:37 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/sgade/SwiftSerial.git
Reference: main
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/sgade/SwiftSerial
* branch main -> FETCH_HEAD
* [new branch] main -> origin/main
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 main
========================================
Build
========================================
Selected platform: visionOS
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 21:54:53.113 xcodebuild[529:3020] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
2026-09-23 21:54:53.262 xcodebuild[529:3020] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
2026-09-23 21:54:54.879 xcodebuild[529:3020] [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 21:55:25.432 xcodebuild[626:3819] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
2026-09-23 21:55:25.573 xcodebuild[626:3819] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
{
"workspace" : {
"name" : "SwiftSerial",
"schemes" : [
"SerialTerminal",
"SwiftSerial"
]
}
}
2026-09-23 21:55:26.447 xcodebuild[628:3873] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
2026-09-23 21:55:26.586 xcodebuild[628:3873] [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: 6d2a67d7a8265e1fc8ebbd991bc8f327
Build description path: /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/XCBuildData/6d2a67d7a8265e1fc8ebbd991bc8f327.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/CompilationCache.noindex
cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
builtin-create-build-directory /Users/admin/builder/spi-builder-workspace/.derivedData/CompilationCache.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
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/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/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-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.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/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/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.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-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
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_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
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 6 -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 -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-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_stddef-2IE0R9M96I5XG0WY72N2UIQ8V.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/_AvailabilityInternal-6BH9T8OE123ARKKFOJFR111NS.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/_Builtin_stdbool-1Q6BTYNEVHC9M74WL5O5GJ1ZM.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/_SwiftConcurrencyShims-9H7TQT237JM0VTD7TXCR6CNM9.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/_Builtin_stdarg-62NPPE4D8O3BNLU35D74TGLVQ.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/_Builtin_float-1J8SO31WACP82RKV0LOTRKG39.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/SwiftShims-2HAZ94YF1BA79JLFTAIV7APMW.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/ptrauth-9Q1PN7OTQZN7B0Z9D7V7Q8UB1.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/ptrcheck-98Y8DWD0HPCMRMDFKAEZCA81O.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/_DarwinFoundation1-AVZIQZ8HOAUXTT5CXVE5TNG7E.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/_Builtin_limits-599EXAY0E7DPK78D1JASUXYCQ.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/_DarwinFoundation2-E0NXA4K8N3W3XTJG0EDH15WR2.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/sys_types-A3BBS6FJZK4C974FRQ5ZCTND7.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/string_h-BGPLTZ4H9HACR813QKF6VS72D.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/_Builtin_stdint-F1DLW8WMMSOC414RWOQWK8OS8.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/_DarwinFoundation3-C1P0SZMW1CBYZ1956G2WPAGVQ.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/_Builtin_inttypes-9DU9NJC5HKVLIXJ97CZROETBU.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/Darwin-ET1KOXI5QIB2QZ81K0LJ5SCNP.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/ObjectiveC-7UYOWV2RO2CMEGURP3Y7WLPAT.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/os_object-A49MUZWNB60JKCX0NMFXESEZD.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/os_workgroup-1J3Q9ELSMX5271913GPIT75QV.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/Dispatch-7TDXDXPVVCZ0IQLPT2W4Z1AW3.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/CoreFoundation-5D49BF05JAG3T79HLXZS0QOEB.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/XPC-1U8J3QOEPI1JREQTBJYCK4Z2Z.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/Security-4BDO3J0PXFNR7ZRKSDSXCO6IM.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/CFNetwork-8XNJAT23SK5D0OET9NV9X387I.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/Foundation-48S9SVOOX01R4NP8KF0LJG57Z.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-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 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/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 -package-name spi_builder_workspace -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 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\ 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\ 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\ 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\ 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/SDKExplicitPrecompiledModules
PruneExplicitPrecompiledModules /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftExplicitPrecompiledModules
2026-09-23 21:55:27.394 xcodebuild[629:3901] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
2026-09-23 21:55:27.534 xcodebuild[629:3901] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
2026-09-23 21:55:28.238 xcodebuild[629:3901] [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 21:55:33.419 xcodebuild[687:4152] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
2026-09-23 21:55:33.559 xcodebuild[687:4152] [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 21:55:34.630 xcodebuild[695:4217] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
2026-09-23 21:55:34.772 xcodebuild[695:4217] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
{
"workspace" : {
"name" : "SwiftSerial",
"schemes" : [
"SerialTerminal",
"SwiftSerial"
]
}
}
2026-09-23 21:55:35.606 xcodebuild[697:4247] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
2026-09-23 21:55:35.747 xcodebuild[697:4247] [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 6 -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 -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-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\ 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
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-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 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/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 -package-name spi_builder_workspace -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
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\ 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\ 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\ 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/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 21:55:36.562 xcodebuild[698:4271] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
2026-09-23 21:55:36.706 xcodebuild[698:4271] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
2026-09-23 21:55:36.913 xcodebuild[698:4271] [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