Swift Package IndexBuild Information
Failed to build SwiftSerial, reference master (5dea24), with Swift 6.4 for watchOS using Xcode 27.0 on 16 Sep 2026 19:35:24 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=watchOSBuild Log
========================================
RunAll
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Builder version: 5.1.0
Interrupt handler set up.
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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: watchOS
Swift version: 6.4
Building package at path: $PWD
https://github.com/yeokm1/swiftserial.git
Command line invocation:
/Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/usr/bin/xcodebuild -IDEClonedSourcePackagesDirPathOverride=/Users/admin/builder/spi-builder-workspace/.dependencies -resolvePackageDependencies
Resolve Package Graph
Resolve Package Graph
Resolved source packages:
SwiftSerial: /Users/admin/builder/spi-builder-workspace
resolved source packages: SwiftSerial
2026-09-16 15:34:34.304 xcodebuild[529:3055] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
{
"dependencies" : [
],
"manifest_display_name" : "SwiftSerial",
"name" : "SwiftSerial",
"path" : "/Users/admin/builder/spi-builder-workspace",
"platforms" : [
],
"products" : [
{
"name" : "SwiftSerial",
"targets" : [
"SwiftSerial"
],
"type" : {
"library" : [
"automatic"
]
}
}
],
"targets" : [
{
"c99name" : "SwiftSerial",
"module_type" : "SwiftTarget",
"name" : "SwiftSerial",
"path" : "Sources",
"product_memberships" : [
"SwiftSerial"
],
"sources" : [
"SwiftSerial.swift"
],
"type" : "library"
}
],
"tools_version" : "5.0"
}
{
"workspace" : {
"name" : "SwiftSerial",
"schemes" : [
"SwiftSerial"
]
}
}
2026-09-16 15:35:15.162 xcodebuild[649:4169] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-27.0.0-Release.Candidate.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme SwiftSerial -destination generic/platform=watchOS
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=watchOS
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/WatchOS.platform/Developer/SDKs/WatchOS27.0.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: 595151897ae4257ed528fdd70fc6a78f
Build description path: /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/XCBuildData/595151897ae4257ed528fdd70fc6a78f.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/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/WatchOS.platform/Developer/SDKs/WatchOS27.0.sdk /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/watchos27.0-24R360-e829b21a6f8c9b70876ba0858053c04477534ef55a1706bf4c1112bbb242f0a2.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/WatchOS.platform/Developer/SDKs/WatchOS27.0.sdk -o /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/watchos27.0-24R360-e829b21a6f8c9b70876ba0858053c04477534ef55a1706bf4c1112bbb242f0a2.sdkstatcache
CreateBuildDirectory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products
cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
builtin-create-build-directory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products
CreateBuildDirectory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/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/SwiftExplicitPrecompiledModules
cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
builtin-create-build-directory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftExplicitPrecompiledModules
CreateBuildDirectory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/ExplicitPrecompiledModules
cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
builtin-create-build-directory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/ExplicitPrecompiledModules
CreateBuildDirectory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/EagerLinkingTBDs/Debug-watchos
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-watchos
CreateBuildDirectory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-watchos
cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
builtin-create-build-directory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-watchos
CreateBuildDirectory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-watchos/PackageFrameworks
cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
builtin-create-build-directory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-watchos/PackageFrameworks
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftSerial.build/Debug-watchos/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-watchos/SwiftSerial-t.build/SwiftSerial.modulemap
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftSerial.build/Debug-watchos/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-watchos/SwiftSerial-t.build/SwiftSerial.DependencyMetadataFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftSerial.build/Debug-watchos/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-watchos/SwiftSerial-t.build/SwiftSerial.DependencyStaticMetadataFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftSerial.build/Debug-watchos/SwiftSerial-t.build/Objects-normal/arm64_32/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-watchos/SwiftSerial-t.build/Objects-normal/arm64_32/SwiftSerial_const_extract_protocols.json
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftSerial.build/Debug-watchos/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-watchos/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-watchos/SwiftSerial-t.build/Objects-normal/arm64_32/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-watchos/SwiftSerial-t.build/Objects-normal/arm64_32/SwiftSerial-OutputFileMap.json
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftSerial.build/Debug-watchos/SwiftSerial-t.build/Objects-normal/arm64_32/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-watchos/SwiftSerial-t.build/Objects-normal/arm64_32/SwiftSerial.SwiftFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftSerial.build/Debug-watchos/SwiftSerial-t.build/Objects-normal/arm64_32/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-watchos/SwiftSerial-t.build/Objects-normal/arm64_32/SwiftSerial.SwiftConstValuesFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftSerial.build/Debug-watchos/SwiftSerial-t.build/Objects-normal/arm64_32/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-watchos/SwiftSerial-t.build/Objects-normal/arm64_32/SwiftSerial.LinkFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftSerial.build/Debug-watchos/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-watchos/SwiftSerial-t.build/Objects-normal/arm64/SwiftSerial.SwiftFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftSerial.build/Debug-watchos/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-watchos/SwiftSerial-t.build/Objects-normal/arm64/SwiftSerial.LinkFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftSerial.build/Debug-watchos/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-watchos/SwiftSerial-t.build/Objects-normal/arm64/SwiftSerial.SwiftConstValuesFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftSerial.build/Debug-watchos/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-watchos/SwiftSerial-t.build/Objects-normal/arm64/SwiftSerial-OutputFileMap.json
Copy /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/GeneratedModuleMaps-watchos/SwiftSerial.modulemap /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftSerial.build/Debug-watchos/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-watchos/SwiftSerial-t.build/SwiftSerial.modulemap /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/GeneratedModuleMaps-watchos
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-watchos/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/WatchOS.platform/Developer/SDKs/WatchOS27.0.sdk -target arm64-apple-watchos9.0 -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-watchos -Isystem /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/WatchOS.platform/Developer/usr/lib -F /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-watchos -F /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/WatchOS.platform/Developer/Library/Frameworks -F /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS27.0.sdk/Developer/Library/Frameworks -c -j10 -enable-batch-mode -incremental -Xcc -ivfsstatcache -Xcc /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/watchos27.0-24R360-e829b21a6f8c9b70876ba0858053c04477534ef55a1706bf4c1112bbb242f0a2.sdkstatcache -output-file-map /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftSerial.build/Debug-watchos/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-watchos/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-watchos/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-watchos/SwiftSerial-t.build/Objects-normal/arm64/SwiftSerial_const_extract_protocols.json -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-watchos/include -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftSerial.build/Debug-watchos/SwiftSerial-t.build/DerivedSources-normal/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftSerial.build/Debug-watchos/SwiftSerial-t.build/DerivedSources/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftSerial.build/Debug-watchos/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-watchos/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
SwiftDriver SwiftSerial normal arm64_32 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-watchos/SwiftSerial-t.build/Objects-normal/arm64_32/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/WatchOS.platform/Developer/SDKs/WatchOS27.0.sdk -target arm64_32-apple-watchos9.0 -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-watchos -Isystem /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/WatchOS.platform/Developer/usr/lib -F /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-watchos -F /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/WatchOS.platform/Developer/Library/Frameworks -F /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS27.0.sdk/Developer/Library/Frameworks -c -j10 -enable-batch-mode -incremental -Xcc -ivfsstatcache -Xcc /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/watchos27.0-24R360-e829b21a6f8c9b70876ba0858053c04477534ef55a1706bf4c1112bbb242f0a2.sdkstatcache -output-file-map /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftSerial.build/Debug-watchos/SwiftSerial-t.build/Objects-normal/arm64_32/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-watchos/SwiftSerial-t.build/Objects-normal/arm64_32/SwiftSerial.swiftmodule -serialize-diagnostics -dependency-scan-serialize-diagnostics-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftSerial.build/Debug-watchos/SwiftSerial-t.build/Objects-normal/arm64_32/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-watchos/SwiftSerial-t.build/Objects-normal/arm64_32/SwiftSerial_const_extract_protocols.json -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-watchos/include -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftSerial.build/Debug-watchos/SwiftSerial-t.build/DerivedSources-normal/arm64_32 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftSerial.build/Debug-watchos/SwiftSerial-t.build/DerivedSources/arm64_32 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftSerial.build/Debug-watchos/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-watchos/SwiftSerial-t.build/Objects-normal/arm64_32/SwiftSerial-Swift.h -working-directory /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode -experimental-emit-module-separately -disable-cmo
SwiftExplicitDependencyGeneratePcm arm64_32 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/ptrauth-BFXF358ME5AK535N5A9Z766WU.pcm
SwiftExplicitDependencyGeneratePcm arm64_32 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/_SwiftConcurrencyShims-6RTBPQ03V7BM9SPRK8SUE055H.pcm
SwiftExplicitDependencyGeneratePcm arm64_32 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/_Builtin_float-6KO8O3PEWRCA4WC6PPLOYO6WJ.pcm
SwiftExplicitDependencyGeneratePcm arm64_32 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/_AvailabilityInternal-244WAN3Z1QBT7PIA64EZEFY1R.pcm
SwiftExplicitDependencyGeneratePcm arm64_32 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/ptrcheck-7ELIH9BTIGVKX3UBITM9N72WD.pcm
SwiftExplicitDependencyGeneratePcm arm64_32 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/SwiftShims-9CQQGWTSNTN9EB5NSHDWUJICH.pcm
SwiftExplicitDependencyGeneratePcm arm64_32 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/_Builtin_stdbool-A967K8W8YUYEC9SN52KJ7OO88.pcm
SwiftExplicitDependencyGeneratePcm arm64_32 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/_Builtin_stddef-H44EFHQX6XSS5MZ7QP6YJZ76.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/_AvailabilityInternal-BUNV3UXM65NT37THI4W1AM0SF.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/_Builtin_stdarg-A7UU8LE6MP85SM26YO7PBZNUQ.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/ptrcheck-AIF0NDOYZ8ORBNHQAQR5NNB8M.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/_Builtin_stddef-1FU30Y8SWFB7OUUHMJQH5J6FM.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/_Builtin_stdbool-83J96QSOFE9VX04AAS6310UAE.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/ptrauth-3TZ9WJCGLYD25HQPWH4968ONX.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/SwiftShims-4MXFZPV6FEB0XBYXCGPWAMQGL.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/_Builtin_float-C0CW5Q4HGBQYKE77TC42IAFB5.pcm
SwiftExplicitDependencyGeneratePcm arm64_32 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/_Builtin_stdarg-D305JG44A2WPI6CJY37X3QJE8.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/_SwiftConcurrencyShims-659N52XSKR5F0QSB880BH2FJR.pcm
SwiftExplicitDependencyGeneratePcm arm64_32 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/_DarwinFoundation1-2GWF9RFMPLQW4PDHS3NARVI3G.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/_DarwinFoundation1-7SPX3MD0HMP55E4OLNCPNDQ53.pcm
SwiftExplicitDependencyGeneratePcm arm64_32 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/_Builtin_limits-3VKBU2AFTD65PAJZ5CJ3LHFM2.pcm
SwiftExplicitDependencyGeneratePcm arm64_32 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/_DarwinFoundation2-9MY8GOSYRO0M9MKNXF6D3MBNK.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/_DarwinFoundation2-D0XAPJU49S5E9XMKYOFGSTB1Q.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/_Builtin_limits-9GWPA2B0H20DYUNYHYCWKABJG.pcm
SwiftExplicitDependencyGeneratePcm arm64_32 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/_Builtin_stdint-1HMXWI3V0V4TXHRWZOMZGZ80Y.pcm
SwiftExplicitDependencyGeneratePcm arm64_32 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/string_h-BFVLUQUSBZWYMLCU9QI7VZALW.pcm
SwiftExplicitDependencyGeneratePcm arm64_32 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/sys_types-8TLLMW08ZJWDGIIPKOYFGHHZW.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/_Builtin_stdint-8XMILLJZEGRN2XG7XZUXZ5RLX.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/string_h-E6PRXK75PHIPCZFWOFCQ3QBMK.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/sys_types-2KXQLI78OUCDP779AE68GZJ2.pcm
SwiftExplicitDependencyGeneratePcm arm64_32 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/_DarwinFoundation3-3DUTYQDQSD9HUAAVY947NMWOI.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/_DarwinFoundation3-B97LRG0E9GON2NUE65TVG81HU.pcm
SwiftExplicitDependencyGeneratePcm arm64_32 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/_Builtin_inttypes-D2KPCR4PEX9AQA33NGLUT5SBR.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/_Builtin_inttypes-3UQSCM7WNM9EK4HZML8TY5J3D.pcm
SwiftExplicitDependencyGeneratePcm arm64_32 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/Darwin-3FVT1SKLN2ZQ5RVOABMTQBB34.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/Darwin-3984OXKFNSPE77NT743WK8SEX.pcm
SwiftExplicitDependencyGeneratePcm arm64_32 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/ObjectiveC-6IJNELR2E80E7LUKESVCP2KET.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/ObjectiveC-72IVD3VS2RS8Q28D9PIMY0KQP.pcm
SwiftExplicitDependencyGeneratePcm arm64_32 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/os_object-5YWTC6L4756IWSTPGXS5NM0D0.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/os_object-3SDKD7F87FTZ26OON37DRYT6O.pcm
SwiftExplicitDependencyGeneratePcm arm64_32 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/os_workgroup-5JHTPDMNBUNHLJI8LPHKQK1JK.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/os_workgroup-89GG5G7YC2D0ZTK6AZXXQ20DH.pcm
SwiftExplicitDependencyGeneratePcm arm64_32 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/Dispatch-2P62F1T4XV63S4P99TUDTOK2Q.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/Dispatch-1NLJOVAK60XP0DUB05XA59EIM.pcm
SwiftExplicitDependencyGeneratePcm arm64_32 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/XPC-81Y45QFY96XYYFCW2GT6FY8S4.pcm
SwiftExplicitDependencyGeneratePcm arm64_32 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/CoreFoundation-8E6Y4BA3EXYKUGJ24GT9LGV3N.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/XPC-40DR0X1DHKGCV4J1IOLFS8MOU.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/CoreFoundation-8T2L24YC5NU7WO6WQJWRY7W08.pcm
SwiftExplicitDependencyGeneratePcm arm64_32 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/Security-D7TOWF88VWF67TB9HAFP5UWB1.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/Security-6RZ6YBRU8WCUHRFFRVUK5WKMM.pcm
SwiftExplicitDependencyGeneratePcm arm64_32 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/Foundation-BJ2VQGI3OGR34500MEQ1VKHPH.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/Foundation-DLBKUSGXN8QHAT8W0OARR9S8A.pcm
SwiftEmitModule normal arm64_32 Emitting\ module\ for\ SwiftSerial (in target 'SwiftSerial' from project 'SwiftSerial')
SwiftCompile normal arm64_32 (in target 'SwiftSerial' from project 'SwiftSerial')
cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
/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_32-apple-watchos9.0 -disable-cross-import-overlay-search -load-resolved-plugin /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/WatchOS.platform/Developer/usr/lib/swift/host/plugins/libFoundationMacros.dylib\#/Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/WatchOS.platform/Developer/usr/bin/swift-plugin-server\#FoundationMacros -load-resolved-plugin /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/WatchOS.platform/Developer/usr/lib/swift/host/plugins/libObservationMacros.dylib\#/Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/WatchOS.platform/Developer/usr/bin/swift-plugin-server\#ObservationMacros -load-resolved-plugin /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/WatchOS.platform/Developer/usr/lib/swift/host/plugins/libSwiftMacros.dylib\#/Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/WatchOS.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-watchos/SwiftSerial-t.build/Objects-normal/arm64_32/SwiftSerial-dependencies-2.json -enable-objc-interop -sdk /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS27.0.sdk -I /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-watchos -Isystem /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/WatchOS.platform/Developer/usr/lib -F /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-watchos -F /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/WatchOS.platform/Developer/Library/Frameworks -F /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS27.0.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/watchos27.0-24R360-e829b21a6f8c9b70876ba0858053c04477534ef55a1706bf4c1112bbb242f0a2.sdkstatcache -Xcc -fmodules-prune-interval\=86400 -Xcc -fmodules-prune-after\=345600 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-watchos/include -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftSerial.build/Debug-watchos/SwiftSerial-t.build/DerivedSources-normal/arm64_32 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftSerial.build/Debug-watchos/SwiftSerial-t.build/DerivedSources/arm64_32 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftSerial.build/Debug-watchos/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-watchos/SwiftSerial-t.build/Objects-normal/arm64_32/SwiftSerial_const_extract_protocols.json -disable-clang-spi -clang-target arm64_32-apple-watchos27.0 -target-sdk-version 27.0 -target-sdk-name watchos27.0 -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-watchos/SwiftSerial-t.build/Objects-normal/arm64_32/SwiftSerial.swiftdoc -emit-module-source-info-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftSerial.build/Debug-watchos/SwiftSerial-t.build/Objects-normal/arm64_32/SwiftSerial.swiftsourceinfo -emit-objc-header-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftSerial.build/Debug-watchos/SwiftSerial-t.build/Objects-normal/arm64_32/SwiftSerial-Swift.h -serialize-diagnostics-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftSerial.build/Debug-watchos/SwiftSerial-t.build/Objects-normal/arm64_32/SwiftSerial-primary-emit-module.dia -emit-dependencies-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftSerial.build/Debug-watchos/SwiftSerial-t.build/Objects-normal/arm64_32/SwiftSerial-primary-emit-module.d -parse-as-library -o /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftSerial.build/Debug-watchos/SwiftSerial-t.build/Objects-normal/arm64_32/SwiftSerial.swiftmodule -emit-abi-descriptor-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftSerial.build/Debug-watchos/SwiftSerial-t.build/Objects-normal/arm64_32/SwiftSerial.abi.json
SwiftCompile normal arm64_32 Compiling\ SwiftSerial.swift /Users/admin/builder/spi-builder-workspace/Sources/SwiftSerial.swift (in target 'SwiftSerial' from project 'SwiftSerial')
SwiftCompile normal arm64_32 /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')
SwiftCompile normal arm64 (in target 'SwiftSerial' from project 'SwiftSerial')
cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
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
PruneExplicitPrecompiledModules /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules
PruneExplicitPrecompiledModules /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftExplicitPrecompiledModules
PruneExplicitPrecompiledModules /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/ExplicitPrecompiledModules
2026-09-16 15:35:16.737 xcodebuild[650:4213] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
** BUILD FAILED **
The following build commands failed:
SwiftCompile normal arm64_32 (in target 'SwiftSerial' from project 'SwiftSerial')
SwiftEmitModule normal arm64_32 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
2026-09-16 15:35:21.139 xcodebuild[721:4523] [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 15:35:22.330 xcodebuild[729:4588] [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=watchOS
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=watchOS
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/WatchOS.platform/Developer/SDKs/WatchOS27.0.sdk /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/watchos27.0-24R360-e829b21a6f8c9b70876ba0858053c04477534ef55a1706bf4c1112bbb242f0a2.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/WatchOS.platform/Developer/SDKs/WatchOS27.0.sdk -o /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/watchos27.0-24R360-e829b21a6f8c9b70876ba0858053c04477534ef55a1706bf4c1112bbb242f0a2.sdkstatcache
SwiftDriver SwiftSerial normal arm64_32 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-watchos/SwiftSerial-t.build/Objects-normal/arm64_32/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/WatchOS.platform/Developer/SDKs/WatchOS27.0.sdk -target arm64_32-apple-watchos9.0 -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-watchos -Isystem /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/WatchOS.platform/Developer/usr/lib -F /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-watchos -F /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/WatchOS.platform/Developer/Library/Frameworks -F /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS27.0.sdk/Developer/Library/Frameworks -c -j10 -enable-batch-mode -incremental -Xcc -ivfsstatcache -Xcc /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/watchos27.0-24R360-e829b21a6f8c9b70876ba0858053c04477534ef55a1706bf4c1112bbb242f0a2.sdkstatcache -output-file-map /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftSerial.build/Debug-watchos/SwiftSerial-t.build/Objects-normal/arm64_32/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-watchos/SwiftSerial-t.build/Objects-normal/arm64_32/SwiftSerial.swiftmodule -serialize-diagnostics -dependency-scan-serialize-diagnostics-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftSerial.build/Debug-watchos/SwiftSerial-t.build/Objects-normal/arm64_32/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-watchos/SwiftSerial-t.build/Objects-normal/arm64_32/SwiftSerial_const_extract_protocols.json -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-watchos/include -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftSerial.build/Debug-watchos/SwiftSerial-t.build/DerivedSources-normal/arm64_32 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftSerial.build/Debug-watchos/SwiftSerial-t.build/DerivedSources/arm64_32 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftSerial.build/Debug-watchos/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-watchos/SwiftSerial-t.build/Objects-normal/arm64_32/SwiftSerial-Swift.h -working-directory /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode -experimental-emit-module-separately -disable-cmo
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-watchos/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/WatchOS.platform/Developer/SDKs/WatchOS27.0.sdk -target arm64-apple-watchos9.0 -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-watchos -Isystem /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/WatchOS.platform/Developer/usr/lib -F /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-watchos -F /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/WatchOS.platform/Developer/Library/Frameworks -F /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS27.0.sdk/Developer/Library/Frameworks -c -j10 -enable-batch-mode -incremental -Xcc -ivfsstatcache -Xcc /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/watchos27.0-24R360-e829b21a6f8c9b70876ba0858053c04477534ef55a1706bf4c1112bbb242f0a2.sdkstatcache -output-file-map /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftSerial.build/Debug-watchos/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-watchos/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-watchos/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-watchos/SwiftSerial-t.build/Objects-normal/arm64/SwiftSerial_const_extract_protocols.json -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-watchos/include -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftSerial.build/Debug-watchos/SwiftSerial-t.build/DerivedSources-normal/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftSerial.build/Debug-watchos/SwiftSerial-t.build/DerivedSources/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftSerial.build/Debug-watchos/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-watchos/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
SwiftEmitModule normal arm64_32 Emitting\ module\ for\ SwiftSerial (in target 'SwiftSerial' from project 'SwiftSerial')
SwiftCompile normal arm64_32 (in target 'SwiftSerial' from project 'SwiftSerial')
cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
/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_32-apple-watchos9.0 -disable-cross-import-overlay-search -load-resolved-plugin /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/WatchOS.platform/Developer/usr/lib/swift/host/plugins/libFoundationMacros.dylib\#/Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/WatchOS.platform/Developer/usr/bin/swift-plugin-server\#FoundationMacros -load-resolved-plugin /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/WatchOS.platform/Developer/usr/lib/swift/host/plugins/libObservationMacros.dylib\#/Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/WatchOS.platform/Developer/usr/bin/swift-plugin-server\#ObservationMacros -load-resolved-plugin /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/WatchOS.platform/Developer/usr/lib/swift/host/plugins/libSwiftMacros.dylib\#/Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/WatchOS.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-watchos/SwiftSerial-t.build/Objects-normal/arm64_32/SwiftSerial-dependencies-2.json -enable-objc-interop -sdk /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS27.0.sdk -I /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-watchos -Isystem /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/WatchOS.platform/Developer/usr/lib -F /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-watchos -F /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/WatchOS.platform/Developer/Library/Frameworks -F /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS27.0.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/watchos27.0-24R360-e829b21a6f8c9b70876ba0858053c04477534ef55a1706bf4c1112bbb242f0a2.sdkstatcache -Xcc -fmodules-prune-interval\=86400 -Xcc -fmodules-prune-after\=345600 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-watchos/include -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftSerial.build/Debug-watchos/SwiftSerial-t.build/DerivedSources-normal/arm64_32 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftSerial.build/Debug-watchos/SwiftSerial-t.build/DerivedSources/arm64_32 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftSerial.build/Debug-watchos/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-watchos/SwiftSerial-t.build/Objects-normal/arm64_32/SwiftSerial_const_extract_protocols.json -disable-clang-spi -clang-target arm64_32-apple-watchos27.0 -target-sdk-version 27.0 -target-sdk-name watchos27.0 -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-watchos/SwiftSerial-t.build/Objects-normal/arm64_32/SwiftSerial.swiftdoc -emit-module-source-info-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftSerial.build/Debug-watchos/SwiftSerial-t.build/Objects-normal/arm64_32/SwiftSerial.swiftsourceinfo -emit-objc-header-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftSerial.build/Debug-watchos/SwiftSerial-t.build/Objects-normal/arm64_32/SwiftSerial-Swift.h -serialize-diagnostics-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftSerial.build/Debug-watchos/SwiftSerial-t.build/Objects-normal/arm64_32/SwiftSerial-primary-emit-module.dia -emit-dependencies-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftSerial.build/Debug-watchos/SwiftSerial-t.build/Objects-normal/arm64_32/SwiftSerial-primary-emit-module.d -parse-as-library -o /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftSerial.build/Debug-watchos/SwiftSerial-t.build/Objects-normal/arm64_32/SwiftSerial.swiftmodule -emit-abi-descriptor-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftSerial.build/Debug-watchos/SwiftSerial-t.build/Objects-normal/arm64_32/SwiftSerial.abi.json
SwiftCompile normal arm64_32 Compiling\ SwiftSerial.swift /Users/admin/builder/spi-builder-workspace/Sources/SwiftSerial.swift (in target 'SwiftSerial' from project 'SwiftSerial')
SwiftCompile normal arm64_32 /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
SwiftCompile normal arm64 (in target 'SwiftSerial' from project 'SwiftSerial')
cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
SwiftCompile normal arm64 Compiling\ SwiftSerial.swift /Users/admin/builder/spi-builder-workspace/Sources/SwiftSerial.swift (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,
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
PruneExplicitPrecompiledModules /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftExplicitPrecompiledModules
PruneExplicitPrecompiledModules /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/ExplicitPrecompiledModules
PruneExplicitPrecompiledModules /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules
2026-09-16 15:35:23.285 xcodebuild[730:4613] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
** BUILD FAILED **
The following build commands failed:
SwiftCompile normal arm64_32 (in target 'SwiftSerial' from project 'SwiftSerial')
SwiftEmitModule normal arm64_32 Emitting\ module\ for\ SwiftSerial (in target 'SwiftSerial' from project 'SwiftSerial')
Building workspace SwiftSerial with scheme SwiftSerial
(3 failures)
BUILD FAILURE 6.4 watchOS