Swift Package IndexBuild Information
Successful build of Reader, reference master (b2db81), with Swift 6.4 for visionOS using Xcode 27.0 on 16 Sep 2026 01:54:26 UTC.
Swift 6 data race errors: 0
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 Reader -destination generic/platform=xrOSBuild Log
========================================
RunAll
========================================
Builder version: 5.1.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/to4iki/Reader.git
Reference: master
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/to4iki/Reader
* branch master -> FETCH_HEAD
* [new branch] master -> origin/master
HEAD is now at b2db817 Merge pull request #5 from to4iki/git-hooks
Cloned https://github.com/to4iki/Reader.git
Revision (git rev-parse @):
b2db81756abc51df29238089d785272598ec7d82
SUCCESS checkout https://github.com/to4iki/Reader.git at master
========================================
Build
========================================
Selected platform: visionOS
Swift version: 6.4
Building package at path: $PWD
https://github.com/to4iki/Reader.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" : [
{
"identity" : "swiftcheck",
"requirement" : {
"range" : [
{
"lower_bound" : "0.11.0",
"upper_bound" : "1.0.0"
}
]
},
"type" : "sourceControl",
"url" : "https://github.com/typelift/SwiftCheck.git"
},
{
"identity" : "komondor",
"requirement" : {
"range" : [
{
"lower_bound" : "1.0.1",
"upper_bound" : "2.0.0"
}
]
},
"type" : "sourceControl",
"url" : "https://github.com/orta/Komondor.git"
},
{
"identity" : "swiftformat",
"requirement" : {
"range" : [
{
"lower_bound" : "0.37.1",
"upper_bound" : "1.0.0"
}
]
},
"type" : "sourceControl",
"url" : "https://github.com/nicklockwood/SwiftFormat.git"
}
],
"manifest_display_name" : "Reader",
"name" : "Reader",
"path" : "/Users/admin/builder/spi-builder-workspace",
"platforms" : [
],
"products" : [
{
"name" : "Reader",
"targets" : [
"Reader"
],
"type" : {
"library" : [
"automatic"
]
}
}
],
"targets" : [
{
"c99name" : "ReaderTests",
"module_type" : "SwiftTarget",
"name" : "ReaderTests",
"path" : "Tests/ReaderTests",
"product_dependencies" : [
"SwiftCheck"
],
"sources" : [
"Reader+SwiftCheck.swift",
"ReaderTests.swift"
],
"target_dependencies" : [
"Reader"
],
"type" : "test"
},
{
"c99name" : "Reader",
"module_type" : "SwiftTarget",
"name" : "Reader",
"path" : "Sources/Reader",
"product_memberships" : [
"Reader"
],
"sources" : [
"Reader.swift"
],
"type" : "library"
}
],
"tools_version" : "4.2"
}
{
"project" : {
"configurations" : [
"Debug",
"Release"
],
"name" : "Reader",
"schemes" : [
"Reader",
"Reader-Package"
],
"targets" : [
"Reader",
"ReaderPackageDescription",
"ReaderPackageTests",
"ReaderTests",
"SwiftCheck",
"SwiftCheckPackageDescription"
]
}
}
{
"workspace" : {
"name" : "Reader",
"schemes" : [
"Reader",
"SwiftShell"
]
}
}
2026-09-15 21:53:56.896 xcodebuild[615:3838] [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 Reader -destination generic/platform=xrOS
Command line invocation:
/Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/usr/bin/xcodebuild -IDEClonedSourcePackagesDirPathOverride=/Users/admin/builder/spi-builder-workspace/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath /Users/admin/builder/spi-builder-workspace/.derivedData build -scheme Reader -destination generic/platform=xrOS
Resolve Package Graph
Resolve Package Graph
Resolved source packages:
SourceKitten: https://github.com/jpsim/SourceKitten.git @ 0.37.1
SwiftFormat: https://github.com/nicklockwood/SwiftFormat.git @ 0.63.0
swift-argument-parser: https://github.com/apple/swift-argument-parser @ 1.8.2
CollectionConcurrencyKit: https://github.com/JohnSundell/CollectionConcurrencyKit.git @ 0.2.0
Komondor: https://github.com/orta/Komondor.git @ 1.1.4
PackageConfig: https://github.com/shibapm/PackageConfig.git @ 1.1.3
ShellOut: https://github.com/JohnSundell/ShellOut.git @ 2.3.0
SwiftShell: https://github.com/kareman/SwiftShell @ 5.1.1
SwiftCheck: https://github.com/typelift/SwiftCheck.git @ 0.12.0
swift-syntax: https://github.com/swiftlang/swift-syntax.git @ 601.0.0
Chalk: https://github.com/mxcl/Chalk.git @ 0.5.0
CryptoSwift: https://github.com/krzyzanowskim/CryptoSwift.git @ 1.10.0
SWXMLHash: https://github.com/drmohundro/SWXMLHash.git @ 7.0.2
FileCheck: https://github.com/llvm-swift/FileCheck.git @ 0.2.6
SwiftyTextTable: https://github.com/scottrhoyt/SwiftyTextTable.git @ 0.9.0
Rocket: https://github.com/f-meloni/Rocket @ 1.3.0
Yams: https://github.com/jpsim/Yams @ 5.4.0
Logger: https://github.com/shibapm/Logger @ 0.2.3
SwiftLint: https://github.com/Realm/SwiftLint.git @ 0.59.1
Reader: /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 'Reader-product' in project 'Reader'
➜ Explicit dependency on target 'Reader' in project 'Reader'
Target 'Reader' in project 'Reader' (no dependencies)
GatherProvisioningInputs
CreateBuildDescription
ExecuteExternalTool /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -v -E -dM -isysroot /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/XROS.platform/Developer/SDKs/XROS27.0.sdk -x c -c /dev/null
ExecuteExternalTool /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swiftc --version
ExecuteExternalTool /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/ld -version_details
Build description signature: 43e5140fd70bf2e8cf812d30d252f14a
Build description path: /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/XCBuildData/43e5140fd70bf2e8cf812d30d252f14a.xcbuilddata
CreateBuildDirectory /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex
cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
builtin-create-build-directory /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex
CreateBuildDirectory /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules
cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
builtin-create-build-directory /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules
CreateBuildDirectory /Users/admin/builder/spi-builder-workspace/.derivedData/CompilationCache.noindex
cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
builtin-create-build-directory /Users/admin/builder/spi-builder-workspace/.derivedData/CompilationCache.noindex
CreateBuildDirectory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products
cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
builtin-create-build-directory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products
CreateBuildDirectory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex
cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
builtin-create-build-directory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex
ClangStatCache /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang-stat-cache /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/XROS.platform/Developer/SDKs/XROS27.0.sdk /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/xros27.0-24M361-e829b21a6f8c9b70876ba0858053c044735bd543db762f57723cac368afd1ce4.sdkstatcache
cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
/Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang-stat-cache /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/XROS.platform/Developer/SDKs/XROS27.0.sdk -o /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/xros27.0-24M361-e829b21a6f8c9b70876ba0858053c044735bd543db762f57723cac368afd1ce4.sdkstatcache
CreateBuildDirectory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftExplicitPrecompiledModules
cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
builtin-create-build-directory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftExplicitPrecompiledModules
CreateBuildDirectory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/PrecompiledHeaders
cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
builtin-create-build-directory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/PrecompiledHeaders
CreateBuildDirectory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/ExplicitPrecompiledModules
cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
builtin-create-build-directory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/ExplicitPrecompiledModules
CreateBuildDirectory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/EagerLinkingTBDs/Debug-xros
cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
builtin-create-build-directory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/EagerLinkingTBDs/Debug-xros
CreateBuildDirectory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-xros
cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
builtin-create-build-directory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-xros
CreateBuildDirectory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-xros/PackageFrameworks
cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
builtin-create-build-directory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-xros/PackageFrameworks
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Reader.build/Debug-xros/Reader-t.build/Reader.modulemap (in target 'Reader' from project 'Reader')
cd /Users/admin/builder/spi-builder-workspace
write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Reader.build/Debug-xros/Reader-t.build/Reader.modulemap
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Reader.build/Debug-xros/Reader-t.build/Reader.DependencyMetadataFileList (in target 'Reader' from project 'Reader')
cd /Users/admin/builder/spi-builder-workspace
write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Reader.build/Debug-xros/Reader-t.build/Reader.DependencyMetadataFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Reader.build/Debug-xros/Reader-t.build/Reader.DependencyStaticMetadataFileList (in target 'Reader' from project 'Reader')
cd /Users/admin/builder/spi-builder-workspace
write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Reader.build/Debug-xros/Reader-t.build/Reader.DependencyStaticMetadataFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Reader.build/Debug-xros/Reader-t.build/Objects-normal/arm64/Reader_const_extract_protocols.json (in target 'Reader' from project 'Reader')
cd /Users/admin/builder/spi-builder-workspace
write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Reader.build/Debug-xros/Reader-t.build/Objects-normal/arm64/Reader_const_extract_protocols.json
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Reader.build/Debug-xros/Reader-t.build/Objects-normal/arm64/Reader-OutputFileMap.json (in target 'Reader' from project 'Reader')
cd /Users/admin/builder/spi-builder-workspace
write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Reader.build/Debug-xros/Reader-t.build/Objects-normal/arm64/Reader-OutputFileMap.json
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Reader.build/Debug-xros/Reader-t.build/Objects-normal/arm64/Reader.SwiftFileList (in target 'Reader' from project 'Reader')
cd /Users/admin/builder/spi-builder-workspace
write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Reader.build/Debug-xros/Reader-t.build/Objects-normal/arm64/Reader.SwiftFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Reader.build/Debug-xros/Reader-t.build/Objects-normal/arm64/Reader.SwiftConstValuesFileList (in target 'Reader' from project 'Reader')
cd /Users/admin/builder/spi-builder-workspace
write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Reader.build/Debug-xros/Reader-t.build/Objects-normal/arm64/Reader.SwiftConstValuesFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Reader.build/Debug-xros/Reader-t.build/Objects-normal/arm64/Reader.LinkFileList (in target 'Reader' from project 'Reader')
cd /Users/admin/builder/spi-builder-workspace
write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Reader.build/Debug-xros/Reader-t.build/Objects-normal/arm64/Reader.LinkFileList
Copy /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/GeneratedModuleMaps-xros/Reader.modulemap /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Reader.build/Debug-xros/Reader-t.build/Reader.modulemap (in target 'Reader' from project 'Reader')
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/Reader.build/Debug-xros/Reader-t.build/Reader.modulemap /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/GeneratedModuleMaps-xros
SwiftDriver Reader normal arm64 com.apple.xcode.tools.swift.compiler (in target 'Reader' from project 'Reader')
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 Reader -Onone @/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Reader.build/Debug-xros/Reader-t.build/Objects-normal/arm64/Reader.SwiftFileList -DSWIFT_PACKAGE -DDEBUG -DSWIFT_MODULE_RESOURCE_BUNDLE_UNAVAILABLE -DXcode -plugin-path /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/plugins/testing -enable-experimental-feature DebugDescriptionMacro -sdk /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/XROS.platform/Developer/SDKs/XROS27.0.sdk -target arm64-apple-xros1.0 -g -module-cache-path /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex -Xfrontend -serialize-debugging-options -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 4.2 -I /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-xros -Isystem /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/XROS.platform/Developer/usr/lib -F /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-xros -F /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/XROS.platform/Developer/Library/Frameworks -F /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/XROS.platform/Developer/SDKs/XROS27.0.sdk/Developer/Library/Frameworks -c -j10 -enable-batch-mode -incremental -Xcc -ivfsstatcache -Xcc /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/xros27.0-24M361-e829b21a6f8c9b70876ba0858053c044735bd543db762f57723cac368afd1ce4.sdkstatcache -output-file-map /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Reader.build/Debug-xros/Reader-t.build/Objects-normal/arm64/Reader-OutputFileMap.json -save-temps -no-color-diagnostics -emit-dependencies -emit-module -emit-module-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Reader.build/Debug-xros/Reader-t.build/Objects-normal/arm64/Reader.swiftmodule -serialize-diagnostics -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/Reader.build/Debug-xros/Reader-t.build/Objects-normal/arm64/Reader_const_extract_protocols.json -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-xros/include -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Reader.build/Debug-xros/Reader-t.build/DerivedSources-normal/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Reader.build/Debug-xros/Reader-t.build/DerivedSources/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Reader.build/Debug-xros/Reader-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/Reader.build/Debug-xros/Reader-t.build/Objects-normal/arm64/Reader-Swift.h -working-directory /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode -experimental-emit-module-separately -disable-cmo
SwiftCompile normal arm64 Compiling\ Reader.swift /Users/admin/builder/spi-builder-workspace/Sources/Reader/Reader.swift (in target 'Reader' from project 'Reader')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/Reader/Reader.swift (in target 'Reader' from project 'Reader')
cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
builtin-SwiftPerFileCompile Reader.swift
/Users/admin/builder/spi-builder-workspace/Sources/Reader/Reader.swift:60:28: warning: generic parameter 'Input' shadows generic parameter from outer scope with the same name; this is an error in the Swift 6 language mode
2 | /// - Input: for denpendency.
3 | /// - Element: return a value type.
4 | public struct Reader<Input, Element> {
| `- note: 'Input' previously declared here
5 | public typealias WorkFactory = (Input) -> Element
6 |
:
58 | /// - reader2: The second reader
59 | /// - Returns: A new combined reader
60 | public static func zip<Input, Element1, Element2>(_ reader1: Reader<Input, Element1>, _ reader2: Reader<Input, Element2>) -> Reader<Input, (Element1, Element2)> {
| `- warning: generic parameter 'Input' shadows generic parameter from outer scope with the same name; this is an error in the Swift 6 language mode
61 | return reader1.flatMap { element1 in
62 | reader2.map { element2 in (element1, element2) }
SwiftEmitModule normal arm64 Emitting\ module\ for\ Reader (in target 'Reader' from project 'Reader')
/Users/admin/builder/spi-builder-workspace/Sources/Reader/Reader.swift:60:28: warning: generic parameter 'Input' shadows generic parameter from outer scope with the same name; this is an error in the Swift 6 language mode
2 | /// - Input: for denpendency.
3 | /// - Element: return a value type.
4 | public struct Reader<Input, Element> {
| `- note: 'Input' previously declared here
5 | public typealias WorkFactory = (Input) -> Element
6 |
:
58 | /// - reader2: The second reader
59 | /// - Returns: A new combined reader
60 | public static func zip<Input, Element1, Element2>(_ reader1: Reader<Input, Element1>, _ reader2: Reader<Input, Element2>) -> Reader<Input, (Element1, Element2)> {
| `- warning: generic parameter 'Input' shadows generic parameter from outer scope with the same name; this is an error in the Swift 6 language mode
61 | return reader1.flatMap { element1 in
62 | reader2.map { element2 in (element1, element2) }
SwiftCompile normal arm64 (in target 'Reader' from project 'Reader')
cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
SwiftDriverJobDiscovery normal arm64 Emitting module for Reader (in target 'Reader' from project 'Reader')
SwiftDriver\ Compilation\ Requirements Reader normal arm64 com.apple.xcode.tools.swift.compiler (in target 'Reader' from project 'Reader')
cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
builtin-Swift-Compilation-Requirements -- /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swiftc -parse-as-library -module-name Reader -Onone @/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Reader.build/Debug-xros/Reader-t.build/Objects-normal/arm64/Reader.SwiftFileList -DSWIFT_PACKAGE -DDEBUG -DSWIFT_MODULE_RESOURCE_BUNDLE_UNAVAILABLE -DXcode -plugin-path /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/plugins/testing -enable-experimental-feature DebugDescriptionMacro -sdk /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/XROS.platform/Developer/SDKs/XROS27.0.sdk -target arm64-apple-xros1.0 -g -module-cache-path /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex -Xfrontend -serialize-debugging-options -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 4.2 -I /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-xros -Isystem /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/XROS.platform/Developer/usr/lib -F /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-xros -F /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/XROS.platform/Developer/Library/Frameworks -F /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/XROS.platform/Developer/SDKs/XROS27.0.sdk/Developer/Library/Frameworks -c -j10 -enable-batch-mode -incremental -Xcc -ivfsstatcache -Xcc /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/xros27.0-24M361-e829b21a6f8c9b70876ba0858053c044735bd543db762f57723cac368afd1ce4.sdkstatcache -output-file-map /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Reader.build/Debug-xros/Reader-t.build/Objects-normal/arm64/Reader-OutputFileMap.json -save-temps -no-color-diagnostics -emit-dependencies -emit-module -emit-module-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Reader.build/Debug-xros/Reader-t.build/Objects-normal/arm64/Reader.swiftmodule -serialize-diagnostics -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/Reader.build/Debug-xros/Reader-t.build/Objects-normal/arm64/Reader_const_extract_protocols.json -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-xros/include -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Reader.build/Debug-xros/Reader-t.build/DerivedSources-normal/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Reader.build/Debug-xros/Reader-t.build/DerivedSources/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Reader.build/Debug-xros/Reader-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/Reader.build/Debug-xros/Reader-t.build/Objects-normal/arm64/Reader-Swift.h -working-directory /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode -experimental-emit-module-separately -disable-cmo
SwiftMergeGeneratedHeaders /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/GeneratedModuleMaps-xros/Reader-Swift.h /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Reader.build/Debug-xros/Reader-t.build/Objects-normal/arm64/Reader-Swift.h (in target 'Reader' from project 'Reader')
cd /Users/admin/builder/spi-builder-workspace
builtin-swiftHeaderTool -arch arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Reader.build/Debug-xros/Reader-t.build/Objects-normal/arm64/Reader-Swift.h -o /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/GeneratedModuleMaps-xros/Reader-Swift.h
Copy /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-xros/Reader.swiftmodule/arm64-apple-xros.swiftdoc /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Reader.build/Debug-xros/Reader-t.build/Objects-normal/arm64/Reader.swiftdoc (in target 'Reader' from project 'Reader')
cd /Users/admin/builder/spi-builder-workspace
builtin-copy -exclude .DS_Store -exclude CVS -exclude .svn -exclude .git -exclude .hg -resolve-src-symlinks -rename /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Reader.build/Debug-xros/Reader-t.build/Objects-normal/arm64/Reader.swiftdoc /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-xros/Reader.swiftmodule/arm64-apple-xros.swiftdoc
Copy /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-xros/Reader.swiftmodule/arm64-apple-xros.swiftmodule /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Reader.build/Debug-xros/Reader-t.build/Objects-normal/arm64/Reader.swiftmodule (in target 'Reader' from project 'Reader')
cd /Users/admin/builder/spi-builder-workspace
builtin-copy -exclude .DS_Store -exclude CVS -exclude .svn -exclude .git -exclude .hg -resolve-src-symlinks -rename /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Reader.build/Debug-xros/Reader-t.build/Objects-normal/arm64/Reader.swiftmodule /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-xros/Reader.swiftmodule/arm64-apple-xros.swiftmodule
Copy /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-xros/Reader.swiftmodule/arm64-apple-xros.abi.json /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Reader.build/Debug-xros/Reader-t.build/Objects-normal/arm64/Reader.abi.json (in target 'Reader' from project 'Reader')
cd /Users/admin/builder/spi-builder-workspace
builtin-copy -exclude .DS_Store -exclude CVS -exclude .svn -exclude .git -exclude .hg -resolve-src-symlinks -rename /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Reader.build/Debug-xros/Reader-t.build/Objects-normal/arm64/Reader.abi.json /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-xros/Reader.swiftmodule/arm64-apple-xros.abi.json
Copy /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-xros/Reader.swiftmodule/Project/arm64-apple-xros.swiftsourceinfo /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Reader.build/Debug-xros/Reader-t.build/Objects-normal/arm64/Reader.swiftsourceinfo (in target 'Reader' from project 'Reader')
cd /Users/admin/builder/spi-builder-workspace
builtin-copy -exclude .DS_Store -exclude CVS -exclude .svn -exclude .git -exclude .hg -resolve-src-symlinks -rename /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Reader.build/Debug-xros/Reader-t.build/Objects-normal/arm64/Reader.swiftsourceinfo /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-xros/Reader.swiftmodule/Project/arm64-apple-xros.swiftsourceinfo
SwiftDriverJobDiscovery normal arm64 Compiling Reader.swift (in target 'Reader' from project 'Reader')
SwiftDriver\ Compilation Reader normal arm64 com.apple.xcode.tools.swift.compiler (in target 'Reader' from project 'Reader')
cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
builtin-Swift-Compilation -- /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swiftc -parse-as-library -module-name Reader -Onone @/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Reader.build/Debug-xros/Reader-t.build/Objects-normal/arm64/Reader.SwiftFileList -DSWIFT_PACKAGE -DDEBUG -DSWIFT_MODULE_RESOURCE_BUNDLE_UNAVAILABLE -DXcode -plugin-path /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/plugins/testing -enable-experimental-feature DebugDescriptionMacro -sdk /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/XROS.platform/Developer/SDKs/XROS27.0.sdk -target arm64-apple-xros1.0 -g -module-cache-path /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex -Xfrontend -serialize-debugging-options -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 4.2 -I /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-xros -Isystem /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/XROS.platform/Developer/usr/lib -F /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-xros -F /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/XROS.platform/Developer/Library/Frameworks -F /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/XROS.platform/Developer/SDKs/XROS27.0.sdk/Developer/Library/Frameworks -c -j10 -enable-batch-mode -incremental -Xcc -ivfsstatcache -Xcc /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/xros27.0-24M361-e829b21a6f8c9b70876ba0858053c044735bd543db762f57723cac368afd1ce4.sdkstatcache -output-file-map /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Reader.build/Debug-xros/Reader-t.build/Objects-normal/arm64/Reader-OutputFileMap.json -save-temps -no-color-diagnostics -emit-dependencies -emit-module -emit-module-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Reader.build/Debug-xros/Reader-t.build/Objects-normal/arm64/Reader.swiftmodule -serialize-diagnostics -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/Reader.build/Debug-xros/Reader-t.build/Objects-normal/arm64/Reader_const_extract_protocols.json -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-xros/include -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Reader.build/Debug-xros/Reader-t.build/DerivedSources-normal/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Reader.build/Debug-xros/Reader-t.build/DerivedSources/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Reader.build/Debug-xros/Reader-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/Reader.build/Debug-xros/Reader-t.build/Objects-normal/arm64/Reader-Swift.h -working-directory /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode -experimental-emit-module-separately -disable-cmo
Ld /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-xros/Reader.o normal (in target 'Reader' from project 'Reader')
cd /Users/admin/builder/spi-builder-workspace
/Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -Xlinker -reproducible -target arm64-apple-xros1.0 -r -isysroot /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/XROS.platform/Developer/SDKs/XROS27.0.sdk -O0 -Xlinker -no_warn_duplicate_libraries -F/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/EagerLinkingTBDs/Debug-xros -F/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-xros -iframework /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/XROS.platform/Developer/Library/Frameworks -iframework /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/XROS.platform/Developer/SDKs/XROS27.0.sdk/Developer/Library/Frameworks -filelist /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Reader.build/Debug-xros/Reader-t.build/Objects-normal/arm64/Reader.LinkFileList -nostdlib -Xlinker -object_path_lto -Xlinker /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Reader.build/Debug-xros/Reader-t.build/Objects-normal/arm64/Reader_lto.o -Xlinker -no_deduplicate -Xlinker -debug_variant -Xlinker -dependency_info -Xlinker /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Reader.build/Debug-xros/Reader-t.build/Objects-normal/arm64/Reader_dependency_info.dat -fobjc-link-runtime -L/Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/xros -L/usr/lib/swift -Xlinker -add_ast_path -Xlinker /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Reader.build/Debug-xros/Reader-t.build/Objects-normal/arm64/Reader.swiftmodule -o /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-xros/Reader.o
ExtractAppIntentsMetadata (in target 'Reader' from project 'Reader')
cd /Users/admin/builder/spi-builder-workspace
/Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/appintentsmetadataprocessor --toolchain-dir /var/run/com.apple.security.cryptexd/mnt/com.apple.MobileAsset.MetalToolchain-v27.1.266.1.a05uSy/Metal.xctoolchain --module-name Reader --sdk-root /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/XROS.platform/Developer/SDKs/XROS27.0.sdk --xcode-version 27A266a --platform-family xrOS --deployment-target 1.0 --bundle-identifier spi-builder-workspace.Reader --output /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-xros/Reader.appintents --target-triple arm64-apple-xros1.0 --binary-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-xros/Reader.o --dependency-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Reader.build/Debug-xros/Reader-t.build/Objects-normal/arm64/Reader_dependency_info.dat --stringsdata-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Reader.build/Debug-xros/Reader-t.build/Objects-normal/arm64/ExtractedAppShortcutsMetadata.stringsdata --source-file-list /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Reader.build/Debug-xros/Reader-t.build/Objects-normal/arm64/Reader.SwiftFileList --metadata-file-list /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Reader.build/Debug-xros/Reader-t.build/Reader.DependencyMetadataFileList --static-metadata-file-list /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Reader.build/Debug-xros/Reader-t.build/Reader.DependencyStaticMetadataFileList --swift-const-vals-list /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Reader.build/Debug-xros/Reader-t.build/Objects-normal/arm64/Reader.SwiftConstValuesFileList --force --compile-time-extraction --deployment-aware-processing --no-app-shortcuts-localization
2026-09-15 21:54:20.929 appintentsmetadataprocessor[1886:10396] Starting appintentsmetadataprocessor export
2026-09-15 21:54:21.011 appintentsmetadataprocessor[1886:10396] Extracted no relevant App Intents symbols, skipping writing output
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
** BUILD SUCCEEDED **
2026-09-15 21:54:13.978 xcodebuild[1655:9089] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
Build complete.
{
"dependencies" : [
{
"identity" : "swiftcheck",
"requirement" : {
"range" : [
{
"lower_bound" : "0.11.0",
"upper_bound" : "1.0.0"
}
]
},
"type" : "sourceControl",
"url" : "https://github.com/typelift/SwiftCheck.git"
},
{
"identity" : "komondor",
"requirement" : {
"range" : [
{
"lower_bound" : "1.0.1",
"upper_bound" : "2.0.0"
}
]
},
"type" : "sourceControl",
"url" : "https://github.com/orta/Komondor.git"
},
{
"identity" : "swiftformat",
"requirement" : {
"range" : [
{
"lower_bound" : "0.37.1",
"upper_bound" : "1.0.0"
}
]
},
"type" : "sourceControl",
"url" : "https://github.com/nicklockwood/SwiftFormat.git"
}
],
"manifest_display_name" : "Reader",
"name" : "Reader",
"path" : "/Users/admin/builder/spi-builder-workspace",
"platforms" : [
],
"products" : [
{
"name" : "Reader",
"targets" : [
"Reader"
],
"type" : {
"library" : [
"automatic"
]
}
}
],
"targets" : [
{
"c99name" : "ReaderTests",
"module_type" : "SwiftTarget",
"name" : "ReaderTests",
"path" : "Tests/ReaderTests",
"product_dependencies" : [
"SwiftCheck"
],
"sources" : [
"Reader+SwiftCheck.swift",
"ReaderTests.swift"
],
"target_dependencies" : [
"Reader"
],
"type" : "test"
},
{
"c99name" : "Reader",
"module_type" : "SwiftTarget",
"name" : "Reader",
"path" : "Sources/Reader",
"product_memberships" : [
"Reader"
],
"sources" : [
"Reader.swift"
],
"type" : "library"
}
],
"tools_version" : "4.2"
}
Done.