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Build Information

Failed to build Venice, reference master (3e7844), with Swift 6.4 for iOS using Xcode 27.0 on 16 Sep 2026 10:36:35 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 Venice -destination generic/platform=iOS

Build Log

========================================
RunAll
========================================
Builder version: 5.1.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/Zewo/Venice.git
Reference: master
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/Zewo/Venice
 * branch            master     -> FETCH_HEAD
 * [new branch]      master     -> origin/master
HEAD is now at 3e78449 Merge pull request #39 from Zewo/swift-4
Cloned https://github.com/Zewo/Venice.git
Revision (git rev-parse @):
3e78449dfefac3ab2952200ff8a4fa0165ef415a
SUCCESS checkout https://github.com/Zewo/Venice.git at master
========================================
Build
========================================
Selected platform:         iOS
Swift version:             6.4
Building package at path:  $PWD
https://github.com/Zewo/Venice.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
Fetching from https://github.com/Zewo/CLibdill.git
Creating working copy of package ‘CLibdill’
Checking out 2.0.0 of package ‘CLibdill’
ignoring declared target(s) 'CLibdill' in the system packagedependency 'clibdill' is not used by any targetyou may be able to install libdill using your system-packager:
    brew install libdill
Resolve Package Graph
ignoring declared target(s) 'CLibdill' in the system packagedependency 'clibdill' is not used by any targetyou may be able to install libdill using your system-packager:
    brew install libdill
Resolved source packages:
  Venice: /Users/admin/builder/spi-builder-workspace
  CLibdill: https://github.com/Zewo/CLibdill.git @ 2.0.0
resolved source packages: Venice, CLibdill
2026-09-16 06:35:45.491 xcodebuild[524:3024] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
{
  "dependencies" : [
    {
      "identity" : "clibdill",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "2.0.0",
            "upper_bound" : "3.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/Zewo/CLibdill.git"
    }
  ],
  "manifest_display_name" : "Venice",
  "name" : "Venice",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
  ],
  "products" : [
    {
      "name" : "Venice",
      "targets" : [
        "Venice"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "VeniceTests",
      "module_type" : "SwiftTarget",
      "name" : "VeniceTests",
      "path" : "Tests/VeniceTests",
      "sources" : [
        "Venice/Assert.swift",
        "Venice/ChannelTests.swift",
        "Venice/CoroutineTests.swift",
        "Venice/TimeTests.swift"
      ],
      "target_dependencies" : [
        "Venice"
      ],
      "type" : "test"
    },
    {
      "c99name" : "Venice",
      "module_type" : "SwiftTarget",
      "name" : "Venice",
      "path" : "Sources/Venice",
      "product_memberships" : [
        "Venice"
      ],
      "sources" : [
        "Channel.swift",
        "Coroutine.swift",
        "Error.swift",
        "FileDescriptor.swift",
        "Time.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "4.0"
}
{
  "workspace" : {
    "name" : "Venice",
    "schemes" : [
      "Venice"
    ]
  }
}
2026-09-16 06:36:26.741 xcodebuild[695:4303] [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 Venice -destination generic/platform=iOS
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 Venice -destination generic/platform=iOS
Resolve Package Graph
ignoring declared target(s) 'CLibdill' in the system packagedependency 'clibdill' is not used by any targetyou may be able to install libdill using your system-packager:
    brew install libdill
Resolve Package Graph
ignoring declared target(s) 'CLibdill' in the system packagedependency 'clibdill' is not used by any targetyou may be able to install libdill using your system-packager:
    brew install libdill
Resolved source packages:
  Venice: /Users/admin/builder/spi-builder-workspace
  CLibdill: https://github.com/Zewo/CLibdill.git @ 2.0.0
ComputePackagePrebuildTargetDependencyGraph
Prepare packages
CreateBuildRequest
SendProjectDescription
CreateBuildOperation
ComputeTargetDependencyGraph
note: Building targets in dependency order
note: Target dependency graph (3 targets)
    Target 'Venice-product' in project 'Venice'
        ➜ Explicit dependency on target 'Venice' in project 'Venice'
    Target 'Venice' in project 'Venice'
        ➜ Explicit dependency on target 'CLibdill' in project 'CLibdill'
    Target 'CLibdill' in project 'CLibdill' (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/iPhoneOS.platform/Developer/SDKs/iPhoneOS27.0.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: 00e2b049a342db2f2dc9d4b78acaabb2
Build description path: /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/XCBuildData/00e2b049a342db2f2dc9d4b78acaabb2.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/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/iPhoneOS.platform/Developer/SDKs/iPhoneOS27.0.sdk /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/iphoneos27.0-24A430-e829b21a6f8c9b70876ba0858053c04440ceaa042ed91876912b2eeea4e3aa14.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/iPhoneOS.platform/Developer/SDKs/iPhoneOS27.0.sdk -o /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/iphoneos27.0-24A430-e829b21a6f8c9b70876ba0858053c04440ceaa042ed91876912b2eeea4e3aa14.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-iphoneos
    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-iphoneos
CreateBuildDirectory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-iphoneos
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-create-build-directory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-iphoneos
CreateBuildDirectory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-iphoneos/PackageFrameworks
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-create-build-directory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-iphoneos/PackageFrameworks
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Venice.build/Debug-iphoneos/Venice-t.build/Venice.DependencyStaticMetadataFileList (in target 'Venice' from project 'Venice')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Venice.build/Debug-iphoneos/Venice-t.build/Venice.DependencyStaticMetadataFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Venice.build/Debug-iphoneos/Venice-t.build/Venice.DependencyMetadataFileList (in target 'Venice' from project 'Venice')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Venice.build/Debug-iphoneos/Venice-t.build/Venice.DependencyMetadataFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Venice.build/Debug-iphoneos/Venice-t.build/Venice.modulemap (in target 'Venice' from project 'Venice')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Venice.build/Debug-iphoneos/Venice-t.build/Venice.modulemap
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Venice.build/Debug-iphoneos/Venice-t.build/Objects-normal/arm64/Venice.SwiftConstValuesFileList (in target 'Venice' from project 'Venice')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Venice.build/Debug-iphoneos/Venice-t.build/Objects-normal/arm64/Venice.SwiftConstValuesFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Venice.build/Debug-iphoneos/Venice-t.build/Objects-normal/arm64/Venice-OutputFileMap.json (in target 'Venice' from project 'Venice')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Venice.build/Debug-iphoneos/Venice-t.build/Objects-normal/arm64/Venice-OutputFileMap.json
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Venice.build/Debug-iphoneos/Venice-t.build/Objects-normal/arm64/Venice.LinkFileList (in target 'Venice' from project 'Venice')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Venice.build/Debug-iphoneos/Venice-t.build/Objects-normal/arm64/Venice.LinkFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Venice.build/Debug-iphoneos/Venice-t.build/Objects-normal/arm64/Venice.SwiftFileList (in target 'Venice' from project 'Venice')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Venice.build/Debug-iphoneos/Venice-t.build/Objects-normal/arm64/Venice.SwiftFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Venice.build/Debug-iphoneos/Venice-t.build/Objects-normal/arm64/Venice_const_extract_protocols.json (in target 'Venice' from project 'Venice')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Venice.build/Debug-iphoneos/Venice-t.build/Objects-normal/arm64/Venice_const_extract_protocols.json
Copy /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/GeneratedModuleMaps-iphoneos/Venice.modulemap /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Venice.build/Debug-iphoneos/Venice-t.build/Venice.modulemap (in target 'Venice' from project 'Venice')
    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/Venice.build/Debug-iphoneos/Venice-t.build/Venice.modulemap /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/GeneratedModuleMaps-iphoneos
SwiftDriver Venice normal arm64 com.apple.xcode.tools.swift.compiler (in target 'Venice' from project 'Venice')
    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 Venice -Onone @/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Venice.build/Debug-iphoneos/Venice-t.build/Objects-normal/arm64/Venice.SwiftFileList -DSWIFT_PACKAGE -DDEBUG -DSWIFT_MODULE_RESOURCE_BUNDLE_UNAVAILABLE -Xcc -fmodule-map-file\=/Users/admin/builder/spi-builder-workspace/.dependencies/checkouts/CLibdill/module.modulemap -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/iPhoneOS.platform/Developer/SDKs/iPhoneOS27.0.sdk -target arm64-apple-ios15.0 -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 -I /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-iphoneos -Isystem /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/usr/lib -F /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-iphoneos -F /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/Library/Frameworks -F /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS27.0.sdk/Developer/Library/Frameworks -c -j10 -enable-batch-mode -incremental -Xcc -ivfsstatcache -Xcc /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/iphoneos27.0-24A430-e829b21a6f8c9b70876ba0858053c04440ceaa042ed91876912b2eeea4e3aa14.sdkstatcache -output-file-map /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Venice.build/Debug-iphoneos/Venice-t.build/Objects-normal/arm64/Venice-OutputFileMap.json -save-temps -no-color-diagnostics -emit-dependencies -emit-module -emit-module-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Venice.build/Debug-iphoneos/Venice-t.build/Objects-normal/arm64/Venice.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/Venice.build/Debug-iphoneos/Venice-t.build/Objects-normal/arm64/Venice_const_extract_protocols.json -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-iphoneos/include -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Venice.build/Debug-iphoneos/Venice-t.build/DerivedSources-normal/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Venice.build/Debug-iphoneos/Venice-t.build/DerivedSources/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Venice.build/Debug-iphoneos/Venice-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/Venice.build/Debug-iphoneos/Venice-t.build/Objects-normal/arm64/Venice-Swift.h -working-directory /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode -experimental-emit-module-separately -disable-cmo
SwiftCompile normal arm64 Compiling\ Coroutine.swift /Users/admin/builder/spi-builder-workspace/Sources/Venice/Coroutine.swift (in target 'Venice' from project 'Venice')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/Venice/Coroutine.swift (in target 'Venice' from project 'Venice')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-SwiftPerFileCompile Coroutine.swift
<module-includes>:1:9: note: in file included from <module-includes>:1:
1 | #import "clibdill.h"
  |         `- note: in file included from <module-includes>:1:
2 |
/Users/admin/builder/spi-builder-workspace/.dependencies/checkouts/CLibdill/clibdill.h:4:10: error: 'libdill.h' file not found
2 | #define __CLIBDILL_H__
3 |
4 | #include <libdill.h>
  |          `- error: 'libdill.h' file not found
5 | #include <libdillimpl.h>
6 |
SwiftCompile normal arm64 Compiling\ Channel.swift /Users/admin/builder/spi-builder-workspace/Sources/Venice/Channel.swift (in target 'Venice' from project 'Venice')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/Venice/Channel.swift (in target 'Venice' from project 'Venice')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-SwiftPerFileCompile Channel.swift
<module-includes>:1:9: note: in file included from <module-includes>:1:
1 | #import "clibdill.h"
  |         `- note: in file included from <module-includes>:1:
2 |
/Users/admin/builder/spi-builder-workspace/.dependencies/checkouts/CLibdill/clibdill.h:4:10: error: 'libdill.h' file not found
2 | #define __CLIBDILL_H__
3 |
4 | #include <libdill.h>
  |          `- error: 'libdill.h' file not found
5 | #include <libdillimpl.h>
6 |
SwiftCompile normal arm64 Compiling\ Error.swift /Users/admin/builder/spi-builder-workspace/Sources/Venice/Error.swift (in target 'Venice' from project 'Venice')
<module-includes>:1:9: note: in file included from <module-includes>:1:
1 | #import "clibdill.h"
  |         `- note: in file included from <module-includes>:1:
2 |
/Users/admin/builder/spi-builder-workspace/.dependencies/checkouts/CLibdill/clibdill.h:4:10: error: 'libdill.h' file not found
2 | #define __CLIBDILL_H__
3 |
4 | #include <libdill.h>
  |          `- error: 'libdill.h' file not found
5 | #include <libdillimpl.h>
6 |
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/Venice/Error.swift (in target 'Venice' from project 'Venice')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-SwiftPerFileCompile Error.swift
SwiftCompile normal arm64 Compiling\ FileDescriptor.swift /Users/admin/builder/spi-builder-workspace/Sources/Venice/FileDescriptor.swift (in target 'Venice' from project 'Venice')
<module-includes>:1:9: note: in file included from <module-includes>:1:
1 | #import "clibdill.h"
  |         `- note: in file included from <module-includes>:1:
2 |
/Users/admin/builder/spi-builder-workspace/.dependencies/checkouts/CLibdill/clibdill.h:4:10: error: 'libdill.h' file not found
2 | #define __CLIBDILL_H__
3 |
4 | #include <libdill.h>
  |          `- error: 'libdill.h' file not found
5 | #include <libdillimpl.h>
6 |
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/Venice/FileDescriptor.swift (in target 'Venice' from project 'Venice')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-SwiftPerFileCompile FileDescriptor.swift
SwiftCompile normal arm64 Compiling\ Time.swift /Users/admin/builder/spi-builder-workspace/Sources/Venice/Time.swift (in target 'Venice' from project 'Venice')
<module-includes>:1:9: note: in file included from <module-includes>:1:
1 | #import "clibdill.h"
  |         `- note: in file included from <module-includes>:1:
2 |
/Users/admin/builder/spi-builder-workspace/.dependencies/checkouts/CLibdill/clibdill.h:4:10: error: 'libdill.h' file not found
2 | #define __CLIBDILL_H__
3 |
4 | #include <libdill.h>
  |          `- error: 'libdill.h' file not found
5 | #include <libdillimpl.h>
6 |
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/Venice/Time.swift (in target 'Venice' from project 'Venice')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-SwiftPerFileCompile Time.swift
SwiftEmitModule normal arm64 Emitting\ module\ for\ Venice (in target 'Venice' from project 'Venice')
<module-includes>:1:9: note: in file included from <module-includes>:1:
1 | #import "clibdill.h"
  |         `- note: in file included from <module-includes>:1:
2 |
/Users/admin/builder/spi-builder-workspace/.dependencies/checkouts/CLibdill/clibdill.h:4:10: error: 'libdill.h' file not found
2 | #define __CLIBDILL_H__
3 |
4 | #include <libdill.h>
  |          `- error: 'libdill.h' file not found
5 | #include <libdillimpl.h>
6 |
/Users/admin/builder/spi-builder-workspace/Sources/Venice/Channel.swift:7:8: error: could not build Objective-C module 'CLibdill'
  5 | #endif
  6 |
  7 | import CLibdill
    |        `- error: could not build Objective-C module 'CLibdill'
  8 |
  9 | /// A channel is a synchronization primitive.
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/Venice/Channel.swift /Users/admin/builder/spi-builder-workspace/Sources/Venice/Coroutine.swift /Users/admin/builder/spi-builder-workspace/Sources/Venice/Error.swift /Users/admin/builder/spi-builder-workspace/Sources/Venice/FileDescriptor.swift /Users/admin/builder/spi-builder-workspace/Sources/Venice/Time.swift -target arm64-apple-ios15.0 -Xllvm -aarch64-use-tbi -enable-objc-interop -stack-check -sdk /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS27.0.sdk -I /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-iphoneos -Isystem /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/usr/lib -F /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-iphoneos -F /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/Library/Frameworks -F /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS27.0.sdk/Developer/Library/Frameworks -module-cache-path /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex -no-color-diagnostics -Xcc -fno-color-diagnostics -enable-testing -g -debug-info-format\=dwarf -dwarf-version\=4 -profile-generate -profile-coverage-mapping -swift-version 4 -Onone -D SWIFT_PACKAGE -D DEBUG -D SWIFT_MODULE_RESOURCE_BUNDLE_UNAVAILABLE -D Xcode -serialize-debugging-options -enable-experimental-feature DebugDescriptionMacro -empty-abi-descriptor -plugin-path /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/plugins/testing -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 -fmodule-map-file\=/Users/admin/builder/spi-builder-workspace/.dependencies/checkouts/CLibdill/module.modulemap -Xcc -D_LIBCPP_HARDENING_MODE\=_LIBCPP_HARDENING_MODE_DEBUG -Xcc -ivfsstatcache -Xcc /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/iphoneos27.0-24A430-e829b21a6f8c9b70876ba0858053c04440ceaa042ed91876912b2eeea4e3aa14.sdkstatcache -Xcc -fmodules-prune-interval\=86400 -Xcc -fmodules-prune-after\=345600 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-iphoneos/include -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Venice.build/Debug-iphoneos/Venice-t.build/DerivedSources-normal/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Venice.build/Debug-iphoneos/Venice-t.build/DerivedSources/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Venice.build/Debug-iphoneos/Venice-t.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG\=1 -no-auto-bridging-header-chaining -module-name Venice -const-gather-protocols-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Venice.build/Debug-iphoneos/Venice-t.build/Objects-normal/arm64/Venice_const_extract_protocols.json -disable-clang-spi -target-sdk-version 27.0 -target-sdk-name iphoneos27.0 -external-plugin-path /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/usr/lib/swift/host/plugins\#/Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/usr/bin/swift-plugin-server -external-plugin-path /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/usr/local/lib/swift/host/plugins\#/Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/usr/bin/swift-plugin-server -in-process-plugin-server-path /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/libSwiftInProcPluginServer.dylib -plugin-path /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/plugins -plugin-path /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/local/lib/swift/host/plugins -emit-module-doc-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Venice.build/Debug-iphoneos/Venice-t.build/Objects-normal/arm64/Venice.swiftdoc -emit-module-source-info-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Venice.build/Debug-iphoneos/Venice-t.build/Objects-normal/arm64/Venice.swiftsourceinfo -emit-objc-header-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Venice.build/Debug-iphoneos/Venice-t.build/Objects-normal/arm64/Venice-Swift.h -serialize-diagnostics-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Venice.build/Debug-iphoneos/Venice-t.build/Objects-normal/arm64/Venice-primary-emit-module.dia -emit-dependencies-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Venice.build/Debug-iphoneos/Venice-t.build/Objects-normal/arm64/Venice-primary-emit-module.d -parse-as-library -o /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Venice.build/Debug-iphoneos/Venice-t.build/Objects-normal/arm64/Venice.swiftmodule -emit-abi-descriptor-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Venice.build/Debug-iphoneos/Venice-t.build/Objects-normal/arm64/Venice.abi.json
SwiftCompile normal arm64 (in target 'Venice' from project 'Venice')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

PruneExplicitPrecompiledModules /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/ExplicitPrecompiledModules
PruneExplicitPrecompiledModules /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftExplicitPrecompiledModules
PruneExplicitPrecompiledModules /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules
2026-09-16 06:36:29.057 xcodebuild[703:4353] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
** BUILD FAILED **
The following build commands failed:
	SwiftEmitModule normal arm64 Emitting\ module\ for\ Venice (in target 'Venice' from project 'Venice')
	SwiftCompile normal arm64 (in target 'Venice' from project 'Venice')
	Building workspace Venice with scheme Venice
(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
ignoring declared target(s) 'CLibdill' in the system packagedependency 'clibdill' is not used by any targetyou may be able to install libdill using your system-packager:
    brew install libdill
Resolved source packages:
  Venice: /Users/admin/builder/spi-builder-workspace
  CLibdill: https://github.com/Zewo/CLibdill.git @ 2.0.0
resolved source packages: Venice, CLibdill
2026-09-16 06:36:33.035 xcodebuild[739:4564] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
{
  "dependencies" : [
    {
      "identity" : "clibdill",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "2.0.0",
            "upper_bound" : "3.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/Zewo/CLibdill.git"
    }
  ],
  "manifest_display_name" : "Venice",
  "name" : "Venice",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
  ],
  "products" : [
    {
      "name" : "Venice",
      "targets" : [
        "Venice"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "VeniceTests",
      "module_type" : "SwiftTarget",
      "name" : "VeniceTests",
      "path" : "Tests/VeniceTests",
      "sources" : [
        "Venice/Assert.swift",
        "Venice/ChannelTests.swift",
        "Venice/CoroutineTests.swift",
        "Venice/TimeTests.swift"
      ],
      "target_dependencies" : [
        "Venice"
      ],
      "type" : "test"
    },
    {
      "c99name" : "Venice",
      "module_type" : "SwiftTarget",
      "name" : "Venice",
      "path" : "Sources/Venice",
      "product_memberships" : [
        "Venice"
      ],
      "sources" : [
        "Channel.swift",
        "Coroutine.swift",
        "Error.swift",
        "FileDescriptor.swift",
        "Time.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "4.0"
}
{
  "workspace" : {
    "name" : "Venice",
    "schemes" : [
      "Venice"
    ]
  }
}
2026-09-16 06:36:34.234 xcodebuild[754:4641] [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 Venice -destination generic/platform=iOS
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 Venice -destination generic/platform=iOS
Resolve Package Graph
ignoring declared target(s) 'CLibdill' in the system packagedependency 'clibdill' is not used by any targetyou may be able to install libdill using your system-packager:
    brew install libdill
Resolved source packages:
  CLibdill: https://github.com/Zewo/CLibdill.git @ 2.0.0
  Venice: /Users/admin/builder/spi-builder-workspace
ComputePackagePrebuildTargetDependencyGraph
Prepare packages
CreateBuildRequest
SendProjectDescription
CreateBuildOperation
ComputeTargetDependencyGraph
note: Building targets in dependency order
note: Target dependency graph (3 targets)
    Target 'Venice-product' in project 'Venice'
        ➜ Explicit dependency on target 'Venice' in project 'Venice'
    Target 'Venice' in project 'Venice'
        ➜ Explicit dependency on target 'CLibdill' in project 'CLibdill'
    Target 'CLibdill' in project 'CLibdill' (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/iPhoneOS.platform/Developer/SDKs/iPhoneOS27.0.sdk /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/iphoneos27.0-24A430-e829b21a6f8c9b70876ba0858053c04440ceaa042ed91876912b2eeea4e3aa14.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/iPhoneOS.platform/Developer/SDKs/iPhoneOS27.0.sdk -o /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/iphoneos27.0-24A430-e829b21a6f8c9b70876ba0858053c04440ceaa042ed91876912b2eeea4e3aa14.sdkstatcache
SwiftDriver Venice normal arm64 com.apple.xcode.tools.swift.compiler (in target 'Venice' from project 'Venice')
    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 Venice -Onone @/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Venice.build/Debug-iphoneos/Venice-t.build/Objects-normal/arm64/Venice.SwiftFileList -DSWIFT_PACKAGE -DDEBUG -DSWIFT_MODULE_RESOURCE_BUNDLE_UNAVAILABLE -Xcc -fmodule-map-file\=/Users/admin/builder/spi-builder-workspace/.dependencies/checkouts/CLibdill/module.modulemap -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/iPhoneOS.platform/Developer/SDKs/iPhoneOS27.0.sdk -target arm64-apple-ios15.0 -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 -I /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-iphoneos -Isystem /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/usr/lib -F /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-iphoneos -F /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/Library/Frameworks -F /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS27.0.sdk/Developer/Library/Frameworks -c -j10 -enable-batch-mode -incremental -Xcc -ivfsstatcache -Xcc /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/iphoneos27.0-24A430-e829b21a6f8c9b70876ba0858053c04440ceaa042ed91876912b2eeea4e3aa14.sdkstatcache -output-file-map /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Venice.build/Debug-iphoneos/Venice-t.build/Objects-normal/arm64/Venice-OutputFileMap.json -save-temps -no-color-diagnostics -emit-dependencies -emit-module -emit-module-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Venice.build/Debug-iphoneos/Venice-t.build/Objects-normal/arm64/Venice.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/Venice.build/Debug-iphoneos/Venice-t.build/Objects-normal/arm64/Venice_const_extract_protocols.json -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-iphoneos/include -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Venice.build/Debug-iphoneos/Venice-t.build/DerivedSources-normal/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Venice.build/Debug-iphoneos/Venice-t.build/DerivedSources/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Venice.build/Debug-iphoneos/Venice-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/Venice.build/Debug-iphoneos/Venice-t.build/Objects-normal/arm64/Venice-Swift.h -working-directory /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode -experimental-emit-module-separately -disable-cmo
SwiftCompile normal arm64 Compiling\ Coroutine.swift /Users/admin/builder/spi-builder-workspace/Sources/Venice/Coroutine.swift (in target 'Venice' from project 'Venice')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/Venice/Coroutine.swift (in target 'Venice' from project 'Venice')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-SwiftPerFileCompile Coroutine.swift
<module-includes>:1:9: note: in file included from <module-includes>:1:
1 | #import "clibdill.h"
  |         `- note: in file included from <module-includes>:1:
2 |
/Users/admin/builder/spi-builder-workspace/.dependencies/checkouts/CLibdill/clibdill.h:4:10: error: 'libdill.h' file not found
2 | #define __CLIBDILL_H__
3 |
4 | #include <libdill.h>
  |          `- error: 'libdill.h' file not found
5 | #include <libdillimpl.h>
6 |
SwiftEmitModule normal arm64 Emitting\ module\ for\ Venice (in target 'Venice' from project 'Venice')
<module-includes>:1:9: note: in file included from <module-includes>:1:
1 | #import "clibdill.h"
  |         `- note: in file included from <module-includes>:1:
2 |
/Users/admin/builder/spi-builder-workspace/.dependencies/checkouts/CLibdill/clibdill.h:4:10: error: 'libdill.h' file not found
2 | #define __CLIBDILL_H__
3 |
4 | #include <libdill.h>
  |          `- error: 'libdill.h' file not found
5 | #include <libdillimpl.h>
6 |
/Users/admin/builder/spi-builder-workspace/Sources/Venice/Channel.swift:7:8: error: could not build Objective-C module 'CLibdill'
  5 | #endif
  6 |
  7 | import CLibdill
    |        `- error: could not build Objective-C module 'CLibdill'
  8 |
  9 | /// A channel is a synchronization primitive.
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/Venice/Channel.swift /Users/admin/builder/spi-builder-workspace/Sources/Venice/Coroutine.swift /Users/admin/builder/spi-builder-workspace/Sources/Venice/Error.swift /Users/admin/builder/spi-builder-workspace/Sources/Venice/FileDescriptor.swift /Users/admin/builder/spi-builder-workspace/Sources/Venice/Time.swift -target arm64-apple-ios15.0 -Xllvm -aarch64-use-tbi -enable-objc-interop -stack-check -sdk /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS27.0.sdk -I /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-iphoneos -Isystem /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/usr/lib -F /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-iphoneos -F /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/Library/Frameworks -F /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS27.0.sdk/Developer/Library/Frameworks -module-cache-path /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex -no-color-diagnostics -Xcc -fno-color-diagnostics -enable-testing -g -debug-info-format\=dwarf -dwarf-version\=4 -profile-generate -profile-coverage-mapping -swift-version 4 -Onone -D SWIFT_PACKAGE -D DEBUG -D SWIFT_MODULE_RESOURCE_BUNDLE_UNAVAILABLE -D Xcode -serialize-debugging-options -enable-experimental-feature DebugDescriptionMacro -empty-abi-descriptor -plugin-path /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/plugins/testing -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 -fmodule-map-file\=/Users/admin/builder/spi-builder-workspace/.dependencies/checkouts/CLibdill/module.modulemap -Xcc -D_LIBCPP_HARDENING_MODE\=_LIBCPP_HARDENING_MODE_DEBUG -Xcc -ivfsstatcache -Xcc /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/iphoneos27.0-24A430-e829b21a6f8c9b70876ba0858053c04440ceaa042ed91876912b2eeea4e3aa14.sdkstatcache -Xcc -fmodules-prune-interval\=86400 -Xcc -fmodules-prune-after\=345600 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-iphoneos/include -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Venice.build/Debug-iphoneos/Venice-t.build/DerivedSources-normal/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Venice.build/Debug-iphoneos/Venice-t.build/DerivedSources/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Venice.build/Debug-iphoneos/Venice-t.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG\=1 -no-auto-bridging-header-chaining -module-name Venice -const-gather-protocols-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Venice.build/Debug-iphoneos/Venice-t.build/Objects-normal/arm64/Venice_const_extract_protocols.json -disable-clang-spi -target-sdk-version 27.0 -target-sdk-name iphoneos27.0 -external-plugin-path /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/usr/lib/swift/host/plugins\#/Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/usr/bin/swift-plugin-server -external-plugin-path /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/usr/local/lib/swift/host/plugins\#/Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/usr/bin/swift-plugin-server -in-process-plugin-server-path /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/libSwiftInProcPluginServer.dylib -plugin-path /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/plugins -plugin-path /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/local/lib/swift/host/plugins -emit-module-doc-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Venice.build/Debug-iphoneos/Venice-t.build/Objects-normal/arm64/Venice.swiftdoc -emit-module-source-info-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Venice.build/Debug-iphoneos/Venice-t.build/Objects-normal/arm64/Venice.swiftsourceinfo -emit-objc-header-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Venice.build/Debug-iphoneos/Venice-t.build/Objects-normal/arm64/Venice-Swift.h -serialize-diagnostics-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Venice.build/Debug-iphoneos/Venice-t.build/Objects-normal/arm64/Venice-primary-emit-module.dia -emit-dependencies-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Venice.build/Debug-iphoneos/Venice-t.build/Objects-normal/arm64/Venice-primary-emit-module.d -parse-as-library -o /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Venice.build/Debug-iphoneos/Venice-t.build/Objects-normal/arm64/Venice.swiftmodule -emit-abi-descriptor-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Venice.build/Debug-iphoneos/Venice-t.build/Objects-normal/arm64/Venice.abi.json
SwiftCompile normal arm64 (in target 'Venice' from project 'Venice')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

SwiftCompile normal arm64 Compiling\ Time.swift /Users/admin/builder/spi-builder-workspace/Sources/Venice/Time.swift (in target 'Venice' from project 'Venice')
<module-includes>:1:9: note: in file included from <module-includes>:1:
1 | #import "clibdill.h"
  |         `- note: in file included from <module-includes>:1:
2 |
/Users/admin/builder/spi-builder-workspace/.dependencies/checkouts/CLibdill/clibdill.h:4:10: error: 'libdill.h' file not found
2 | #define __CLIBDILL_H__
3 |
4 | #include <libdill.h>
  |          `- error: 'libdill.h' file not found
5 | #include <libdillimpl.h>
6 |
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/Venice/Time.swift (in target 'Venice' from project 'Venice')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-SwiftPerFileCompile Time.swift
SwiftCompile normal arm64 Compiling\ FileDescriptor.swift /Users/admin/builder/spi-builder-workspace/Sources/Venice/FileDescriptor.swift (in target 'Venice' from project 'Venice')
<module-includes>:1:9: note: in file included from <module-includes>:1:
1 | #import "clibdill.h"
  |         `- note: in file included from <module-includes>:1:
2 |
/Users/admin/builder/spi-builder-workspace/.dependencies/checkouts/CLibdill/clibdill.h:4:10: error: 'libdill.h' file not found
2 | #define __CLIBDILL_H__
3 |
4 | #include <libdill.h>
  |          `- error: 'libdill.h' file not found
5 | #include <libdillimpl.h>
6 |
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/Venice/FileDescriptor.swift (in target 'Venice' from project 'Venice')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-SwiftPerFileCompile FileDescriptor.swift
SwiftCompile normal arm64 Compiling\ Error.swift /Users/admin/builder/spi-builder-workspace/Sources/Venice/Error.swift (in target 'Venice' from project 'Venice')
<module-includes>:1:9: note: in file included from <module-includes>:1:
1 | #import "clibdill.h"
  |         `- note: in file included from <module-includes>:1:
2 |
/Users/admin/builder/spi-builder-workspace/.dependencies/checkouts/CLibdill/clibdill.h:4:10: error: 'libdill.h' file not found
2 | #define __CLIBDILL_H__
3 |
4 | #include <libdill.h>
  |          `- error: 'libdill.h' file not found
5 | #include <libdillimpl.h>
6 |
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/Venice/Error.swift (in target 'Venice' from project 'Venice')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-SwiftPerFileCompile Error.swift
SwiftCompile normal arm64 Compiling\ Channel.swift /Users/admin/builder/spi-builder-workspace/Sources/Venice/Channel.swift (in target 'Venice' from project 'Venice')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/Venice/Channel.swift (in target 'Venice' from project 'Venice')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-SwiftPerFileCompile Channel.swift
<module-includes>:1:9: note: in file included from <module-includes>:1:
1 | #import "clibdill.h"
  |         `- note: in file included from <module-includes>:1:
2 |
/Users/admin/builder/spi-builder-workspace/.dependencies/checkouts/CLibdill/clibdill.h:4:10: error: 'libdill.h' file not found
2 | #define __CLIBDILL_H__
3 |
4 | #include <libdill.h>
  |          `- error: 'libdill.h' file not found
5 | #include <libdillimpl.h>
6 |
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
2026-09-16 06:36:35.208 xcodebuild[762:4676] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
** BUILD FAILED **
The following build commands failed:
	SwiftEmitModule normal arm64 Emitting\ module\ for\ Venice (in target 'Venice' from project 'Venice')
	SwiftCompile normal arm64 (in target 'Venice' from project 'Venice')
	Building workspace Venice with scheme Venice
(3 failures)
BUILD FAILURE 6.4 iOS