Build Information
Failed to build MFMailComposeWrapper, reference master (3bc824), with Swift 6.4 for watchOS using Xcode 27.0 on 26 Sep 2026 17:48:51 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 MFMailComposeWrapper -destination generic/platform=watchOSBuild Log
========================================
RunAll
========================================
Builder version: 5.1.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/moslienko/MFMailComposeWrapper.git
Reference: master
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/moslienko/MFMailComposeWrapper
* branch master -> FETCH_HEAD
* [new branch] master -> origin/master
HEAD is now at 3bc8242 Update README.md
Cloned https://github.com/moslienko/MFMailComposeWrapper.git
Revision (git rev-parse @):
3bc8242203231d40fd5cc2cd1a658f145813d5f3
SUCCESS checkout https://github.com/moslienko/MFMailComposeWrapper.git at master
========================================
Build
========================================
Selected platform: watchOS
Swift version: 6.4
Building package at path: $PWD
https://github.com/moslienko/MFMailComposeWrapper.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
resolved source packages:
{
"dependencies" : [
],
"manifest_display_name" : "MFMailComposeWrapper",
"name" : "MFMailComposeWrapper",
"path" : "/Users/admin/builder/spi-builder-workspace",
"platforms" : [
{
"name" : "ios",
"version" : "9.0"
},
{
"name" : "tvos",
"version" : "9.0"
},
{
"name" : "watchos",
"version" : "2.0"
},
{
"name" : "macos",
"version" : "10.10"
}
],
"products" : [
{
"name" : "MFMailComposeWrapper",
"targets" : [
"MFMailComposeWrapper"
],
"type" : {
"library" : [
"automatic"
]
}
}
],
"targets" : [
{
"c99name" : "MFMailComposeWrapperTests",
"module_type" : "SwiftTarget",
"name" : "MFMailComposeWrapperTests",
"path" : "Tests",
"sources" : [
"LinuxMain.swift",
"MFMailComposeWrapperTests.swift"
],
"target_dependencies" : [
"MFMailComposeWrapper"
],
"type" : "test"
},
{
"c99name" : "MFMailComposeWrapper",
"module_type" : "SwiftTarget",
"name" : "MFMailComposeWrapper",
"path" : "Sources",
"product_memberships" : [
"MFMailComposeWrapper"
],
"sources" : [
"MFMailComposeWrapper.swift",
"MailApp.swift",
"Model/MFMailData.swift"
],
"type" : "library"
}
],
"tools_version" : "5.3"
}
{
"project" : {
"configurations" : [
"Debug",
"Release"
],
"name" : "MFMailComposeWrapper",
"schemes" : [
"Example",
"MFMailComposeWrapper-iOS",
"MFMailComposeWrapper-macOS",
"MFMailComposeWrapper-tvOS",
"MFMailComposeWrapper-watchOS"
],
"targets" : [
"MFMailComposeWrapper-iOS",
"MFMailComposeWrapper-tvOS",
"MFMailComposeWrapper-watchOS",
"MFMailComposeWrapper-macOS",
"MFMailComposeWrapper-iOSTests",
"MFMailComposeWrapper-tvOSTests",
"MFMailComposeWrapper-macOSTests",
"Example"
]
}
}
{
"workspace" : {
"name" : "MFMailComposeWrapper",
"schemes" : [
"MFMailComposeWrapper"
]
}
}
2026-09-26 13:48:43.555 xcodebuild[658:4162] [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 MFMailComposeWrapper -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 MFMailComposeWrapper -destination generic/platform=watchOS
Resolve Package Graph
Resolved source packages:
MFMailComposeWrapper: /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 'MFMailComposeWrapper-product' in project 'MFMailComposeWrapper'
➜ Explicit dependency on target 'MFMailComposeWrapper' in project 'MFMailComposeWrapper'
Target 'MFMailComposeWrapper' in project 'MFMailComposeWrapper' (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: 6d71d5145637d41cbeeb820c45434808
Build description path: /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/XCBuildData/6d71d5145637d41cbeeb820c45434808.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
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
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/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/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/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/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/MFMailComposeWrapper.build/Debug-watchos/MFMailComposeWrapper-t.build/MFMailComposeWrapper.modulemap (in target 'MFMailComposeWrapper' from project 'MFMailComposeWrapper')
cd /Users/admin/builder/spi-builder-workspace
write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/MFMailComposeWrapper.build/Debug-watchos/MFMailComposeWrapper-t.build/MFMailComposeWrapper.modulemap
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/MFMailComposeWrapper.build/Debug-watchos/MFMailComposeWrapper-t.build/Objects-normal/arm64/MFMailComposeWrapper-OutputFileMap.json (in target 'MFMailComposeWrapper' from project 'MFMailComposeWrapper')
cd /Users/admin/builder/spi-builder-workspace
write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/MFMailComposeWrapper.build/Debug-watchos/MFMailComposeWrapper-t.build/Objects-normal/arm64/MFMailComposeWrapper-OutputFileMap.json
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/MFMailComposeWrapper.build/Debug-watchos/MFMailComposeWrapper-t.build/Objects-normal/arm64/MFMailComposeWrapper_const_extract_protocols.json (in target 'MFMailComposeWrapper' from project 'MFMailComposeWrapper')
cd /Users/admin/builder/spi-builder-workspace
write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/MFMailComposeWrapper.build/Debug-watchos/MFMailComposeWrapper-t.build/Objects-normal/arm64/MFMailComposeWrapper_const_extract_protocols.json
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/MFMailComposeWrapper.build/Debug-watchos/MFMailComposeWrapper-t.build/Objects-normal/arm64_32/MFMailComposeWrapper.SwiftFileList (in target 'MFMailComposeWrapper' from project 'MFMailComposeWrapper')
cd /Users/admin/builder/spi-builder-workspace
write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/MFMailComposeWrapper.build/Debug-watchos/MFMailComposeWrapper-t.build/Objects-normal/arm64_32/MFMailComposeWrapper.SwiftFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/MFMailComposeWrapper.build/Debug-watchos/MFMailComposeWrapper-t.build/Objects-normal/arm64_32/MFMailComposeWrapper-OutputFileMap.json (in target 'MFMailComposeWrapper' from project 'MFMailComposeWrapper')
cd /Users/admin/builder/spi-builder-workspace
write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/MFMailComposeWrapper.build/Debug-watchos/MFMailComposeWrapper-t.build/Objects-normal/arm64_32/MFMailComposeWrapper-OutputFileMap.json
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/MFMailComposeWrapper.build/Debug-watchos/MFMailComposeWrapper-t.build/Objects-normal/arm64/MFMailComposeWrapper.LinkFileList (in target 'MFMailComposeWrapper' from project 'MFMailComposeWrapper')
cd /Users/admin/builder/spi-builder-workspace
write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/MFMailComposeWrapper.build/Debug-watchos/MFMailComposeWrapper-t.build/Objects-normal/arm64/MFMailComposeWrapper.LinkFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/MFMailComposeWrapper.build/Debug-watchos/MFMailComposeWrapper-t.build/Objects-normal/arm64_32/MFMailComposeWrapper.SwiftConstValuesFileList (in target 'MFMailComposeWrapper' from project 'MFMailComposeWrapper')
cd /Users/admin/builder/spi-builder-workspace
write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/MFMailComposeWrapper.build/Debug-watchos/MFMailComposeWrapper-t.build/Objects-normal/arm64_32/MFMailComposeWrapper.SwiftConstValuesFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/MFMailComposeWrapper.build/Debug-watchos/MFMailComposeWrapper-t.build/Objects-normal/arm64_32/MFMailComposeWrapper_const_extract_protocols.json (in target 'MFMailComposeWrapper' from project 'MFMailComposeWrapper')
cd /Users/admin/builder/spi-builder-workspace
write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/MFMailComposeWrapper.build/Debug-watchos/MFMailComposeWrapper-t.build/Objects-normal/arm64_32/MFMailComposeWrapper_const_extract_protocols.json
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/MFMailComposeWrapper.build/Debug-watchos/MFMailComposeWrapper-t.build/Objects-normal/arm64_32/MFMailComposeWrapper.LinkFileList (in target 'MFMailComposeWrapper' from project 'MFMailComposeWrapper')
cd /Users/admin/builder/spi-builder-workspace
write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/MFMailComposeWrapper.build/Debug-watchos/MFMailComposeWrapper-t.build/Objects-normal/arm64_32/MFMailComposeWrapper.LinkFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/MFMailComposeWrapper.build/Debug-watchos/MFMailComposeWrapper-t.build/Objects-normal/arm64/MFMailComposeWrapper.SwiftFileList (in target 'MFMailComposeWrapper' from project 'MFMailComposeWrapper')
cd /Users/admin/builder/spi-builder-workspace
write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/MFMailComposeWrapper.build/Debug-watchos/MFMailComposeWrapper-t.build/Objects-normal/arm64/MFMailComposeWrapper.SwiftFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/MFMailComposeWrapper.build/Debug-watchos/MFMailComposeWrapper-t.build/MFMailComposeWrapper.DependencyStaticMetadataFileList (in target 'MFMailComposeWrapper' from project 'MFMailComposeWrapper')
cd /Users/admin/builder/spi-builder-workspace
write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/MFMailComposeWrapper.build/Debug-watchos/MFMailComposeWrapper-t.build/MFMailComposeWrapper.DependencyStaticMetadataFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/MFMailComposeWrapper.build/Debug-watchos/MFMailComposeWrapper-t.build/Objects-normal/arm64/MFMailComposeWrapper.SwiftConstValuesFileList (in target 'MFMailComposeWrapper' from project 'MFMailComposeWrapper')
cd /Users/admin/builder/spi-builder-workspace
write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/MFMailComposeWrapper.build/Debug-watchos/MFMailComposeWrapper-t.build/Objects-normal/arm64/MFMailComposeWrapper.SwiftConstValuesFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/MFMailComposeWrapper.build/Debug-watchos/MFMailComposeWrapper-t.build/MFMailComposeWrapper.DependencyMetadataFileList (in target 'MFMailComposeWrapper' from project 'MFMailComposeWrapper')
cd /Users/admin/builder/spi-builder-workspace
write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/MFMailComposeWrapper.build/Debug-watchos/MFMailComposeWrapper-t.build/MFMailComposeWrapper.DependencyMetadataFileList
Copy /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/GeneratedModuleMaps-watchos/MFMailComposeWrapper.modulemap /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/MFMailComposeWrapper.build/Debug-watchos/MFMailComposeWrapper-t.build/MFMailComposeWrapper.modulemap (in target 'MFMailComposeWrapper' from project 'MFMailComposeWrapper')
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/MFMailComposeWrapper.build/Debug-watchos/MFMailComposeWrapper-t.build/MFMailComposeWrapper.modulemap /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/GeneratedModuleMaps-watchos
SwiftDriver MFMailComposeWrapper normal arm64_32 com.apple.xcode.tools.swift.compiler (in target 'MFMailComposeWrapper' from project 'MFMailComposeWrapper')
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 MFMailComposeWrapper -Onone @/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/MFMailComposeWrapper.build/Debug-watchos/MFMailComposeWrapper-t.build/Objects-normal/arm64_32/MFMailComposeWrapper.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 -profile-coverage-mapping -profile-generate -enable-testing -index-store-path /Users/admin/builder/spi-builder-workspace/.derivedData/Index.noindex/DataStore -Xcc -D_LIBCPP_HARDENING_MODE\=_LIBCPP_HARDENING_MODE_DEBUG -swift-version 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/MFMailComposeWrapper.build/Debug-watchos/MFMailComposeWrapper-t.build/Objects-normal/arm64_32/MFMailComposeWrapper-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/MFMailComposeWrapper.build/Debug-watchos/MFMailComposeWrapper-t.build/Objects-normal/arm64_32/MFMailComposeWrapper.swiftmodule -serialize-diagnostics -dependency-scan-serialize-diagnostics-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/MFMailComposeWrapper.build/Debug-watchos/MFMailComposeWrapper-t.build/Objects-normal/arm64_32/MFMailComposeWrapper-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/MFMailComposeWrapper.build/Debug-watchos/MFMailComposeWrapper-t.build/Objects-normal/arm64_32/MFMailComposeWrapper_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/MFMailComposeWrapper.build/Debug-watchos/MFMailComposeWrapper-t.build/DerivedSources-normal/arm64_32 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/MFMailComposeWrapper.build/Debug-watchos/MFMailComposeWrapper-t.build/DerivedSources/arm64_32 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/MFMailComposeWrapper.build/Debug-watchos/MFMailComposeWrapper-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/MFMailComposeWrapper.build/Debug-watchos/MFMailComposeWrapper-t.build/Objects-normal/arm64_32/MFMailComposeWrapper-Swift.h -working-directory /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode -experimental-emit-module-separately -disable-cmo
/Users/admin/builder/spi-builder-workspace/Sources/MFMailComposeWrapper.swift:10:8: error: Unable to resolve module dependency: 'MessageUI' (in target 'MFMailComposeWrapper' from project 'MFMailComposeWrapper')
note: A dependency of main module 'MFMailComposeWrapper'
/Users/admin/builder/spi-builder-workspace/Sources/MFMailComposeWrapper.swift:10:8: note: A dependency of main module 'MFMailComposeWrapper'
import MessageUI
^ (in target 'MFMailComposeWrapper' from project 'MFMailComposeWrapper')
SwiftDriver MFMailComposeWrapper normal arm64 com.apple.xcode.tools.swift.compiler (in target 'MFMailComposeWrapper' from project 'MFMailComposeWrapper')
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 MFMailComposeWrapper -Onone @/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/MFMailComposeWrapper.build/Debug-watchos/MFMailComposeWrapper-t.build/Objects-normal/arm64/MFMailComposeWrapper.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 -profile-coverage-mapping -profile-generate -enable-testing -index-store-path /Users/admin/builder/spi-builder-workspace/.derivedData/Index.noindex/DataStore -Xcc -D_LIBCPP_HARDENING_MODE\=_LIBCPP_HARDENING_MODE_DEBUG -swift-version 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/MFMailComposeWrapper.build/Debug-watchos/MFMailComposeWrapper-t.build/Objects-normal/arm64/MFMailComposeWrapper-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/MFMailComposeWrapper.build/Debug-watchos/MFMailComposeWrapper-t.build/Objects-normal/arm64/MFMailComposeWrapper.swiftmodule -serialize-diagnostics -dependency-scan-serialize-diagnostics-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/MFMailComposeWrapper.build/Debug-watchos/MFMailComposeWrapper-t.build/Objects-normal/arm64/MFMailComposeWrapper-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/MFMailComposeWrapper.build/Debug-watchos/MFMailComposeWrapper-t.build/Objects-normal/arm64/MFMailComposeWrapper_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/MFMailComposeWrapper.build/Debug-watchos/MFMailComposeWrapper-t.build/DerivedSources-normal/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/MFMailComposeWrapper.build/Debug-watchos/MFMailComposeWrapper-t.build/DerivedSources/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/MFMailComposeWrapper.build/Debug-watchos/MFMailComposeWrapper-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/MFMailComposeWrapper.build/Debug-watchos/MFMailComposeWrapper-t.build/Objects-normal/arm64/MFMailComposeWrapper-Swift.h -working-directory /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode -experimental-emit-module-separately -disable-cmo
/Users/admin/builder/spi-builder-workspace/Sources/MFMailComposeWrapper.swift:10:8: error: Unable to resolve module dependency: 'MessageUI' (in target 'MFMailComposeWrapper' from project 'MFMailComposeWrapper')
note: A dependency of main module 'MFMailComposeWrapper'
/Users/admin/builder/spi-builder-workspace/Sources/MFMailComposeWrapper.swift:10:8: note: A dependency of main module 'MFMailComposeWrapper'
import MessageUI
^ (in target 'MFMailComposeWrapper' from project 'MFMailComposeWrapper')
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
2026-09-26 13:48:45.238 xcodebuild[667:4333] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
** BUILD FAILED **
The following build commands failed:
SwiftDriver MFMailComposeWrapper normal arm64_32 com.apple.xcode.tools.swift.compiler (in target 'MFMailComposeWrapper' from project 'MFMailComposeWrapper')
SwiftDriver MFMailComposeWrapper normal arm64 com.apple.xcode.tools.swift.compiler (in target 'MFMailComposeWrapper' from project 'MFMailComposeWrapper')
Building workspace MFMailComposeWrapper with scheme MFMailComposeWrapper
(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:
MFMailComposeWrapper: /Users/admin/builder/spi-builder-workspace
resolved source packages: MFMailComposeWrapper
2026-09-26 13:48:48.625 xcodebuild[682:4581] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
{
"dependencies" : [
],
"manifest_display_name" : "MFMailComposeWrapper",
"name" : "MFMailComposeWrapper",
"path" : "/Users/admin/builder/spi-builder-workspace",
"platforms" : [
{
"name" : "ios",
"version" : "9.0"
},
{
"name" : "tvos",
"version" : "9.0"
},
{
"name" : "watchos",
"version" : "2.0"
},
{
"name" : "macos",
"version" : "10.10"
}
],
"products" : [
{
"name" : "MFMailComposeWrapper",
"targets" : [
"MFMailComposeWrapper"
],
"type" : {
"library" : [
"automatic"
]
}
}
],
"targets" : [
{
"c99name" : "MFMailComposeWrapperTests",
"module_type" : "SwiftTarget",
"name" : "MFMailComposeWrapperTests",
"path" : "Tests",
"sources" : [
"LinuxMain.swift",
"MFMailComposeWrapperTests.swift"
],
"target_dependencies" : [
"MFMailComposeWrapper"
],
"type" : "test"
},
{
"c99name" : "MFMailComposeWrapper",
"module_type" : "SwiftTarget",
"name" : "MFMailComposeWrapper",
"path" : "Sources",
"product_memberships" : [
"MFMailComposeWrapper"
],
"sources" : [
"MFMailComposeWrapper.swift",
"MailApp.swift",
"Model/MFMailData.swift"
],
"type" : "library"
}
],
"tools_version" : "5.3"
}
{
"workspace" : {
"name" : "MFMailComposeWrapper",
"schemes" : [
"MFMailComposeWrapper"
]
}
}
2026-09-26 13:48:49.877 xcodebuild[690:4640] [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 MFMailComposeWrapper -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 MFMailComposeWrapper -destination generic/platform=watchOS
Resolve Package Graph
Resolved source packages:
MFMailComposeWrapper: /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 'MFMailComposeWrapper-product' in project 'MFMailComposeWrapper'
➜ Explicit dependency on target 'MFMailComposeWrapper' in project 'MFMailComposeWrapper'
Target 'MFMailComposeWrapper' in project 'MFMailComposeWrapper' (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 MFMailComposeWrapper normal arm64_32 com.apple.xcode.tools.swift.compiler (in target 'MFMailComposeWrapper' from project 'MFMailComposeWrapper')
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 MFMailComposeWrapper -Onone @/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/MFMailComposeWrapper.build/Debug-watchos/MFMailComposeWrapper-t.build/Objects-normal/arm64_32/MFMailComposeWrapper.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 -profile-coverage-mapping -profile-generate -enable-testing -index-store-path /Users/admin/builder/spi-builder-workspace/.derivedData/Index.noindex/DataStore -Xcc -D_LIBCPP_HARDENING_MODE\=_LIBCPP_HARDENING_MODE_DEBUG -swift-version 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/MFMailComposeWrapper.build/Debug-watchos/MFMailComposeWrapper-t.build/Objects-normal/arm64_32/MFMailComposeWrapper-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/MFMailComposeWrapper.build/Debug-watchos/MFMailComposeWrapper-t.build/Objects-normal/arm64_32/MFMailComposeWrapper.swiftmodule -serialize-diagnostics -dependency-scan-serialize-diagnostics-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/MFMailComposeWrapper.build/Debug-watchos/MFMailComposeWrapper-t.build/Objects-normal/arm64_32/MFMailComposeWrapper-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/MFMailComposeWrapper.build/Debug-watchos/MFMailComposeWrapper-t.build/Objects-normal/arm64_32/MFMailComposeWrapper_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/MFMailComposeWrapper.build/Debug-watchos/MFMailComposeWrapper-t.build/DerivedSources-normal/arm64_32 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/MFMailComposeWrapper.build/Debug-watchos/MFMailComposeWrapper-t.build/DerivedSources/arm64_32 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/MFMailComposeWrapper.build/Debug-watchos/MFMailComposeWrapper-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/MFMailComposeWrapper.build/Debug-watchos/MFMailComposeWrapper-t.build/Objects-normal/arm64_32/MFMailComposeWrapper-Swift.h -working-directory /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode -experimental-emit-module-separately -disable-cmo
/Users/admin/builder/spi-builder-workspace/Sources/MFMailComposeWrapper.swift:10:8: error: Unable to resolve module dependency: 'MessageUI' (in target 'MFMailComposeWrapper' from project 'MFMailComposeWrapper')
note: A dependency of main module 'MFMailComposeWrapper'
/Users/admin/builder/spi-builder-workspace/Sources/MFMailComposeWrapper.swift:10:8: note: A dependency of main module 'MFMailComposeWrapper'
import MessageUI
^ (in target 'MFMailComposeWrapper' from project 'MFMailComposeWrapper')
SwiftDriver MFMailComposeWrapper normal arm64 com.apple.xcode.tools.swift.compiler (in target 'MFMailComposeWrapper' from project 'MFMailComposeWrapper')
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 MFMailComposeWrapper -Onone @/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/MFMailComposeWrapper.build/Debug-watchos/MFMailComposeWrapper-t.build/Objects-normal/arm64/MFMailComposeWrapper.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 -profile-coverage-mapping -profile-generate -enable-testing -index-store-path /Users/admin/builder/spi-builder-workspace/.derivedData/Index.noindex/DataStore -Xcc -D_LIBCPP_HARDENING_MODE\=_LIBCPP_HARDENING_MODE_DEBUG -swift-version 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/MFMailComposeWrapper.build/Debug-watchos/MFMailComposeWrapper-t.build/Objects-normal/arm64/MFMailComposeWrapper-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/MFMailComposeWrapper.build/Debug-watchos/MFMailComposeWrapper-t.build/Objects-normal/arm64/MFMailComposeWrapper.swiftmodule -serialize-diagnostics -dependency-scan-serialize-diagnostics-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/MFMailComposeWrapper.build/Debug-watchos/MFMailComposeWrapper-t.build/Objects-normal/arm64/MFMailComposeWrapper-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/MFMailComposeWrapper.build/Debug-watchos/MFMailComposeWrapper-t.build/Objects-normal/arm64/MFMailComposeWrapper_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/MFMailComposeWrapper.build/Debug-watchos/MFMailComposeWrapper-t.build/DerivedSources-normal/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/MFMailComposeWrapper.build/Debug-watchos/MFMailComposeWrapper-t.build/DerivedSources/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/MFMailComposeWrapper.build/Debug-watchos/MFMailComposeWrapper-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/MFMailComposeWrapper.build/Debug-watchos/MFMailComposeWrapper-t.build/Objects-normal/arm64/MFMailComposeWrapper-Swift.h -working-directory /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode -experimental-emit-module-separately -disable-cmo
/Users/admin/builder/spi-builder-workspace/Sources/MFMailComposeWrapper.swift:10:8: error: Unable to resolve module dependency: 'MessageUI' (in target 'MFMailComposeWrapper' from project 'MFMailComposeWrapper')
note: A dependency of main module 'MFMailComposeWrapper'
/Users/admin/builder/spi-builder-workspace/Sources/MFMailComposeWrapper.swift:10:8: note: A dependency of main module 'MFMailComposeWrapper'
import MessageUI
^ (in target 'MFMailComposeWrapper' from project 'MFMailComposeWrapper')
PruneExplicitPrecompiledModules /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftExplicitPrecompiledModules
PruneExplicitPrecompiledModules /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules
PruneExplicitPrecompiledModules /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/ExplicitPrecompiledModules
2026-09-26 13:48:50.841 xcodebuild[691:4669] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
** BUILD FAILED **
The following build commands failed:
SwiftDriver MFMailComposeWrapper normal arm64_32 com.apple.xcode.tools.swift.compiler (in target 'MFMailComposeWrapper' from project 'MFMailComposeWrapper')
SwiftDriver MFMailComposeWrapper normal arm64 com.apple.xcode.tools.swift.compiler (in target 'MFMailComposeWrapper' from project 'MFMailComposeWrapper')
Building workspace MFMailComposeWrapper with scheme MFMailComposeWrapper
(3 failures)
BUILD FAILURE 6.4 watchOS