Swift Package Index

Build Information

Failed to build SwiftyModbus, reference master (444406), with Swift 6.2 for macOS (Xcode) using Xcode 26.3 on 20 Jun 2025 08:12:32 UTC.

Build Command

env DEVELOPER_DIR=/Applications/Xcode-26.0.0-Beta.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme SwiftyModbus-Package -destination platform=macOS,arch=arm64

Build Log

========================================
RunAll
========================================
Builder version: 4.64.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/DimaRU/SwiftyModbus.git
Reference: master
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/DimaRU/SwiftyModbus
 * branch            master     -> FETCH_HEAD
 * [new branch]      master     -> origin/master
HEAD is now at 444406b Fix Package definition file errors for Xcode 15/Swift 5.9
Cloned https://github.com/DimaRU/SwiftyModbus.git
Revision (git rev-parse @):
444406bf0d43bf325073e892256c963e5bf77441
SUCCESS checkout https://github.com/DimaRU/SwiftyModbus.git at master
========================================
Build
========================================
Selected platform:         macosXcodebuild
Swift version:             6.2
Building package at path:  $PWD
https://github.com/DimaRU/SwiftyModbus.git
Command line invocation:
    /Applications/Xcode-26.0.0-Beta.app/Contents/Developer/usr/bin/xcodebuild -IDEClonedSourcePackagesDirPathOverride=/Users/admin/builder/spi-builder-workspace/.dependencies -resolvePackageDependencies
Resolve Package Graph
Fetching from https://github.com/mxcl/PromiseKit.git
Creating working copy of package ‘PromiseKit’
Checking out 6.22.1 of package ‘PromiseKit’
failed to retrieve search paths with pkg-config; maybe pkg-config is not installedyou may be able to install libmodbus using your system-packager:
    brew install libmodbus
Resolve Package Graph
you may be able to install libmodbus using your system-packager:
    brew install libmodbus
Resolved source packages:
  SwiftyModbus: /Users/admin/builder/spi-builder-workspace
  PromiseKit: https://github.com/mxcl/PromiseKit.git @ 6.22.1
resolved source packages: SwiftyModbus, PromiseKit
{
  "dependencies" : [
    {
      "identity" : "promisekit",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "6.15.2",
            "upper_bound" : "7.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/mxcl/PromiseKit.git"
    }
  ],
  "manifest_display_name" : "SwiftyModbus",
  "name" : "SwiftyModbus",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
  ],
  "products" : [
    {
      "name" : "SwiftyModbusPromise",
      "targets" : [
        "SwiftyModbusPromise"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    },
    {
      "name" : "SwiftyModbus",
      "targets" : [
        "SwiftyModbus"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "SwiftyModbusTests",
      "module_type" : "SwiftTarget",
      "name" : "SwiftyModbusTests",
      "path" : "Tests/SwiftyModbusTests",
      "sources" : [
        "SwiftModbusTests.swift"
      ],
      "target_dependencies" : [
        "SwiftyModbus"
      ],
      "type" : "test"
    },
    {
      "c99name" : "SwiftyModbusPromise",
      "module_type" : "SwiftTarget",
      "name" : "SwiftyModbusPromise",
      "path" : "Sources/SwiftyModbusPromise",
      "product_dependencies" : [
        "PromiseKit"
      ],
      "product_memberships" : [
        "SwiftyModbusPromise"
      ],
      "sources" : [
        "SwiftyModbusPromise.swift"
      ],
      "target_dependencies" : [
        "CModbus"
      ],
      "type" : "library"
    },
    {
      "c99name" : "SwiftyModbus",
      "module_type" : "SwiftTarget",
      "name" : "SwiftyModbus",
      "path" : "Sources/SwiftyModbus",
      "product_memberships" : [
        "SwiftyModbus"
      ],
      "sources" : [
        "SwiftyModbus.swift",
        "SwiftyModbusResult.swift"
      ],
      "target_dependencies" : [
        "CModbus"
      ],
      "type" : "library"
    },
    {
      "c99name" : "CModbus",
      "module_type" : "SystemLibraryTarget",
      "name" : "CModbus",
      "path" : "Sources/Libmodbus",
      "product_memberships" : [
        "SwiftyModbusPromise",
        "SwiftyModbus"
      ],
      "sources" : [
      ],
      "type" : "system-target"
    }
  ],
  "tools_version" : "5.3"
}
{
  "workspace" : {
    "name" : "spi-builder-workspace",
    "schemes" : [
      "SwiftyModbus",
      "SwiftyModbus-Package",
      "SwiftyModbusPromise"
    ]
  }
}
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-26.0.0-Beta.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme SwiftyModbus-Package -destination platform=macOS,arch=arm64
Command line invocation:
    /Applications/Xcode-26.0.0-Beta.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 SwiftyModbus-Package -destination platform=macOS,arch=arm64
Resolve Package Graph
failed to retrieve search paths with pkg-config; maybe pkg-config is not installedyou may be able to install libmodbus using your system-packager:
    brew install libmodbus
Resolve Package Graph
you may be able to install libmodbus using your system-packager:
    brew install libmodbus
Resolved source packages:
  SwiftyModbus: /Users/admin/builder/spi-builder-workspace
  PromiseKit: https://github.com/mxcl/PromiseKit.git @ 6.22.1
ComputePackagePrebuildTargetDependencyGraph
Prepare packages
CreateBuildRequest
SendProjectDescription
CreateBuildOperation
ComputeTargetDependencyGraph
note: Building targets in dependency order
note: Target dependency graph (7 targets)
    Target 'SwiftyModbusPromise' in project 'SwiftyModbus'
        ➜ Explicit dependency on target 'SwiftyModbusPromise' in project 'SwiftyModbus'
        ➜ Explicit dependency on target 'PromiseKit' in project 'PromiseKit'
    Target 'SwiftyModbusPromise' in project 'SwiftyModbus'
        ➜ Explicit dependency on target 'CModbus' in project 'SwiftyModbus'
        ➜ Explicit dependency on target 'PromiseKit' in project 'PromiseKit'
    Target 'PromiseKit' in project 'PromiseKit'
        ➜ Explicit dependency on target 'PromiseKit' in project 'PromiseKit'
    Target 'PromiseKit' in project 'PromiseKit' (no dependencies)
    Target 'SwiftyModbus' in project 'SwiftyModbus'
        ➜ Explicit dependency on target 'SwiftyModbus' in project 'SwiftyModbus'
    Target 'SwiftyModbus' in project 'SwiftyModbus'
        ➜ Explicit dependency on target 'CModbus' in project 'SwiftyModbus'
    Target 'CModbus' in project 'SwiftyModbus' (no dependencies)
GatherProvisioningInputs
CreateBuildDescription
ExecuteExternalTool /Applications/Xcode-26.0.0-Beta.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swiftc --version
ExecuteExternalTool /Applications/Xcode-26.0.0-Beta.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -v -E -dM -isysroot /Applications/Xcode-26.0.0-Beta.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX26.0.sdk -x c -c /dev/null
ExecuteExternalTool /Applications/Xcode-26.0.0-Beta.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/ld -version_details
Build description signature: 233041da29073955e87ceeae8c6419cf
Build description path: /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/XCBuildData/233041da29073955e87ceeae8c6419cf.xcbuilddata
ClangStatCache /Applications/Xcode-26.0.0-Beta.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang-stat-cache /Applications/Xcode-26.0.0-Beta.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX26.0.sdk /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/macosx26.0-25A5279m-f7c1d129d9d5414f2afbbad1fd6fd62e.sdkstatcache
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    /Applications/Xcode-26.0.0-Beta.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang-stat-cache /Applications/Xcode-26.0.0-Beta.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX26.0.sdk -o /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/macosx26.0-25A5279m-f7c1d129d9d5414f2afbbad1fd6fd62e.sdkstatcache
CreateBuildDirectory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-create-build-directory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products
CreateBuildDirectory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex
    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/Debug
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-create-build-directory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug
CreateBuildDirectory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/EagerLinkingTBDs/Debug
    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
CreateBuildDirectory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug/PackageFrameworks
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-create-build-directory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug/PackageFrameworks
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftyModbus.build/Debug/SwiftyModbusPromise.build/SwiftyModbusPromise.DependencyStaticMetadataFileList (in target 'SwiftyModbusPromise' from project 'SwiftyModbus')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftyModbus.build/Debug/SwiftyModbusPromise.build/SwiftyModbusPromise.DependencyStaticMetadataFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftyModbus.build/Debug/SwiftyModbusPromise.build/SwiftyModbusPromise.DependencyMetadataFileList (in target 'SwiftyModbusPromise' from project 'SwiftyModbus')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftyModbus.build/Debug/SwiftyModbusPromise.build/SwiftyModbusPromise.DependencyMetadataFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftyModbus.build/Debug/SwiftyModbusPromise.build/SwiftyModbusPromise.modulemap (in target 'SwiftyModbusPromise' from project 'SwiftyModbus')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftyModbus.build/Debug/SwiftyModbusPromise.build/SwiftyModbusPromise.modulemap
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftyModbus.build/Debug/SwiftyModbus.build/SwiftyModbus.modulemap (in target 'SwiftyModbus' from project 'SwiftyModbus')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftyModbus.build/Debug/SwiftyModbus.build/SwiftyModbus.modulemap
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftyModbus.build/Debug/SwiftyModbusPromise.build/Objects-normal/arm64/SwiftyModbusPromise.SwiftConstValuesFileList (in target 'SwiftyModbusPromise' from project 'SwiftyModbus')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftyModbus.build/Debug/SwiftyModbusPromise.build/Objects-normal/arm64/SwiftyModbusPromise.SwiftConstValuesFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftyModbus.build/Debug/SwiftyModbusPromise.build/Objects-normal/arm64/SwiftyModbusPromise_const_extract_protocols.json (in target 'SwiftyModbusPromise' from project 'SwiftyModbus')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftyModbus.build/Debug/SwiftyModbusPromise.build/Objects-normal/arm64/SwiftyModbusPromise_const_extract_protocols.json
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftyModbus.build/Debug/SwiftyModbusPromise.build/Objects-normal/arm64/SwiftyModbusPromise-OutputFileMap.json (in target 'SwiftyModbusPromise' from project 'SwiftyModbus')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftyModbus.build/Debug/SwiftyModbusPromise.build/Objects-normal/arm64/SwiftyModbusPromise-OutputFileMap.json
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftyModbus.build/Debug/SwiftyModbusPromise.build/Objects-normal/arm64/SwiftyModbusPromise.SwiftFileList (in target 'SwiftyModbusPromise' from project 'SwiftyModbus')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftyModbus.build/Debug/SwiftyModbusPromise.build/Objects-normal/arm64/SwiftyModbusPromise.SwiftFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftyModbus.build/Debug/SwiftyModbusPromise.build/Objects-normal/arm64/SwiftyModbusPromise.LinkFileList (in target 'SwiftyModbusPromise' from project 'SwiftyModbus')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftyModbus.build/Debug/SwiftyModbusPromise.build/Objects-normal/arm64/SwiftyModbusPromise.LinkFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftyModbus.build/Debug/SwiftyModbus.build/SwiftyModbus.DependencyStaticMetadataFileList (in target 'SwiftyModbus' from project 'SwiftyModbus')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftyModbus.build/Debug/SwiftyModbus.build/SwiftyModbus.DependencyStaticMetadataFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftyModbus.build/Debug/SwiftyModbus.build/SwiftyModbus.DependencyMetadataFileList (in target 'SwiftyModbus' from project 'SwiftyModbus')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftyModbus.build/Debug/SwiftyModbus.build/SwiftyModbus.DependencyMetadataFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftyModbus.build/Debug/SwiftyModbus.build/Objects-normal/arm64/SwiftyModbus_const_extract_protocols.json (in target 'SwiftyModbus' from project 'SwiftyModbus')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftyModbus.build/Debug/SwiftyModbus.build/Objects-normal/arm64/SwiftyModbus_const_extract_protocols.json
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftyModbus.build/Debug/SwiftyModbus.build/Objects-normal/arm64/SwiftyModbus.SwiftFileList (in target 'SwiftyModbus' from project 'SwiftyModbus')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftyModbus.build/Debug/SwiftyModbus.build/Objects-normal/arm64/SwiftyModbus.SwiftFileList
Copy /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/GeneratedModuleMaps/SwiftyModbusPromise.modulemap /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftyModbus.build/Debug/SwiftyModbusPromise.build/SwiftyModbusPromise.modulemap (in target 'SwiftyModbusPromise' from project 'SwiftyModbus')
    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/SwiftyModbus.build/Debug/SwiftyModbusPromise.build/SwiftyModbusPromise.modulemap /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/GeneratedModuleMaps
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftyModbus.build/Debug/SwiftyModbus.build/Objects-normal/arm64/SwiftyModbus.SwiftConstValuesFileList (in target 'SwiftyModbus' from project 'SwiftyModbus')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftyModbus.build/Debug/SwiftyModbus.build/Objects-normal/arm64/SwiftyModbus.SwiftConstValuesFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftyModbus.build/Debug/SwiftyModbus.build/Objects-normal/arm64/SwiftyModbus.LinkFileList (in target 'SwiftyModbus' from project 'SwiftyModbus')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftyModbus.build/Debug/SwiftyModbus.build/Objects-normal/arm64/SwiftyModbus.LinkFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftyModbus.build/Debug/SwiftyModbus.build/Objects-normal/arm64/SwiftyModbus-OutputFileMap.json (in target 'SwiftyModbus' from project 'SwiftyModbus')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftyModbus.build/Debug/SwiftyModbus.build/Objects-normal/arm64/SwiftyModbus-OutputFileMap.json
Copy /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/GeneratedModuleMaps/SwiftyModbus.modulemap /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftyModbus.build/Debug/SwiftyModbus.build/SwiftyModbus.modulemap (in target 'SwiftyModbus' from project 'SwiftyModbus')
    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/SwiftyModbus.build/Debug/SwiftyModbus.build/SwiftyModbus.modulemap /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/GeneratedModuleMaps
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/PromiseKit.build/Debug/PromiseKit.build/PromiseKit.modulemap (in target 'PromiseKit' from project 'PromiseKit')
    cd /Users/admin/builder/spi-builder-workspace/.dependencies/checkouts/PromiseKit
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/PromiseKit.build/Debug/PromiseKit.build/PromiseKit.modulemap
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/PromiseKit.build/Debug/PromiseKit.build/PromiseKit.DependencyStaticMetadataFileList (in target 'PromiseKit' from project 'PromiseKit')
    cd /Users/admin/builder/spi-builder-workspace/.dependencies/checkouts/PromiseKit
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/PromiseKit.build/Debug/PromiseKit.build/PromiseKit.DependencyStaticMetadataFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/PromiseKit.build/Debug/PromiseKit.build/PromiseKit.DependencyMetadataFileList (in target 'PromiseKit' from project 'PromiseKit')
    cd /Users/admin/builder/spi-builder-workspace/.dependencies/checkouts/PromiseKit
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/PromiseKit.build/Debug/PromiseKit.build/PromiseKit.DependencyMetadataFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/PromiseKit.build/Debug/PromiseKit.build/Objects-normal/arm64/PromiseKit_const_extract_protocols.json (in target 'PromiseKit' from project 'PromiseKit')
    cd /Users/admin/builder/spi-builder-workspace/.dependencies/checkouts/PromiseKit
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/PromiseKit.build/Debug/PromiseKit.build/Objects-normal/arm64/PromiseKit_const_extract_protocols.json
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/PromiseKit.build/Debug/PromiseKit.build/Objects-normal/arm64/PromiseKit.SwiftFileList (in target 'PromiseKit' from project 'PromiseKit')
    cd /Users/admin/builder/spi-builder-workspace/.dependencies/checkouts/PromiseKit
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/PromiseKit.build/Debug/PromiseKit.build/Objects-normal/arm64/PromiseKit.SwiftFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/PromiseKit.build/Debug/PromiseKit.build/Objects-normal/arm64/PromiseKit.SwiftConstValuesFileList (in target 'PromiseKit' from project 'PromiseKit')
    cd /Users/admin/builder/spi-builder-workspace/.dependencies/checkouts/PromiseKit
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/PromiseKit.build/Debug/PromiseKit.build/Objects-normal/arm64/PromiseKit.SwiftConstValuesFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/PromiseKit.build/Debug/PromiseKit.build/Objects-normal/arm64/PromiseKit.LinkFileList (in target 'PromiseKit' from project 'PromiseKit')
    cd /Users/admin/builder/spi-builder-workspace/.dependencies/checkouts/PromiseKit
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/PromiseKit.build/Debug/PromiseKit.build/Objects-normal/arm64/PromiseKit.LinkFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/PromiseKit.build/Debug/PromiseKit.build/Objects-normal/arm64/PromiseKit-OutputFileMap.json (in target 'PromiseKit' from project 'PromiseKit')
    cd /Users/admin/builder/spi-builder-workspace/.dependencies/checkouts/PromiseKit
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/PromiseKit.build/Debug/PromiseKit.build/Objects-normal/arm64/PromiseKit-OutputFileMap.json
Copy /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/GeneratedModuleMaps/PromiseKit.modulemap /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/PromiseKit.build/Debug/PromiseKit.build/PromiseKit.modulemap (in target 'PromiseKit' from project 'PromiseKit')
    cd /Users/admin/builder/spi-builder-workspace/.dependencies/checkouts/PromiseKit
    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/PromiseKit.build/Debug/PromiseKit.build/PromiseKit.modulemap /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/GeneratedModuleMaps
SwiftDriver SwiftyModbus normal arm64 com.apple.xcode.tools.swift.compiler (in target 'SwiftyModbus' from project 'SwiftyModbus')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-SwiftDriver -- /Applications/Xcode-26.0.0-Beta.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swiftc -module-name SwiftyModbus -Onone -enforce-exclusivity\=checked @/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftyModbus.build/Debug/SwiftyModbus.build/Objects-normal/arm64/SwiftyModbus.SwiftFileList -DSWIFT_PACKAGE -DDEBUG -DSWIFT_MODULE_RESOURCE_BUNDLE_UNAVAILABLE -Xcc -fmodule-map-file\=/Users/admin/builder/spi-builder-workspace/Sources/Libmodbus/module.modulemap -DXcode -plugin-path /Applications/Xcode-26.0.0-Beta.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/plugins/testing -enable-experimental-feature DebugDescriptionMacro -sdk /Applications/Xcode-26.0.0-Beta.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX26.0.sdk -target arm64-apple-macos10.13 -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 -swift-version 5 -I /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug -I /Applications/Xcode-26.0.0-Beta.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/lib -F /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug -F /Applications/Xcode-26.0.0-Beta.app/Contents/Developer/Platforms/MacOSX.platform/Developer/Library/Frameworks -c -j10 -enable-batch-mode -incremental -Xcc -ivfsstatcache -Xcc /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/macosx26.0-25A5279m-f7c1d129d9d5414f2afbbad1fd6fd62e.sdkstatcache -output-file-map /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftyModbus.build/Debug/SwiftyModbus.build/Objects-normal/arm64/SwiftyModbus-OutputFileMap.json -use-frontend-parseable-output -save-temps -no-color-diagnostics -explicit-module-build -module-cache-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftExplicitPrecompiledModules -clang-scanner-module-cache-path /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex -sdk-module-cache-path /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex -serialize-diagnostics -emit-dependencies -emit-module -emit-module-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftyModbus.build/Debug/SwiftyModbus.build/Objects-normal/arm64/SwiftyModbus.swiftmodule -validate-clang-modules-once -clang-build-session-file /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/Session.modulevalidation -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftyModbus.build/Debug/SwiftyModbus.build/swift-overrides.hmap -emit-const-values -Xfrontend -const-gather-protocols-file -Xfrontend /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftyModbus.build/Debug/SwiftyModbus.build/Objects-normal/arm64/SwiftyModbus_const_extract_protocols.json -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug/include -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftyModbus.build/Debug/SwiftyModbus.build/DerivedSources-normal/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftyModbus.build/Debug/SwiftyModbus.build/DerivedSources/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftyModbus.build/Debug/SwiftyModbus.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/SwiftyModbus.build/Debug/SwiftyModbus.build/Objects-normal/arm64/SwiftyModbus-Swift.h -working-directory /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode -experimental-emit-module-separately -disable-cmo
error: Clang dependency scanner failure: While building module 'CModbus' imported from CModbus-239afc89.input:1:
In file included from <module-includes>:1:
/Users/admin/builder/spi-builder-workspace/Sources/Libmodbus/libmodbus.h:1:9: fatal error: 'modbus.h' file not found
CModbus-239afc89.input:1:1: fatal error: could not build module 'CModbus'
 (in target 'SwiftyModbus' from project 'SwiftyModbus')
/Users/admin/builder/spi-builder-workspace/Sources/SwiftyModbus/SwiftyModbus.swift:9:8: error: Unable to find module dependency: 'CModbus'
import CModbus
       ^ (in target 'SwiftyModbus' from project 'SwiftyModbus')
/Users/admin/builder/spi-builder-workspace/Sources/SwiftyModbus/SwiftyModbus.swift:9:8: note: A dependency of main module 'SwiftyModbus'
import CModbus
       ^ (in target 'SwiftyModbus' from project 'SwiftyModbus')
/Users/admin/builder/spi-builder-workspace/Sources/SwiftyModbus/SwiftyModbusResult.swift:9:8: note: Also imported here
import CModbus
       ^ (in target 'SwiftyModbus' from project 'SwiftyModbus')
SwiftDriver PromiseKit normal arm64 com.apple.xcode.tools.swift.compiler (in target 'PromiseKit' from project 'PromiseKit')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-SwiftDriver -- /Applications/Xcode-26.0.0-Beta.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swiftc -module-name PromiseKit -Onone -enforce-exclusivity\=checked @/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/PromiseKit.build/Debug/PromiseKit.build/Objects-normal/arm64/PromiseKit.SwiftFileList -DSWIFT_PACKAGE -DDEBUG -DSWIFT_MODULE_RESOURCE_BUNDLE_UNAVAILABLE -DXcode -plugin-path /Applications/Xcode-26.0.0-Beta.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/plugins/testing -enable-experimental-feature DebugDescriptionMacro -sdk /Applications/Xcode-26.0.0-Beta.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX26.0.sdk -target arm64-apple-macos10.13 -g -module-cache-path /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex -Xfrontend -serialize-debugging-options -profile-coverage-mapping -profile-generate -enable-testing -suppress-warnings -index-store-path /Users/admin/builder/spi-builder-workspace/.derivedData/Index.noindex/DataStore -swift-version 5 -I /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug -I /Applications/Xcode-26.0.0-Beta.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/lib -F /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug -F /Applications/Xcode-26.0.0-Beta.app/Contents/Developer/Platforms/MacOSX.platform/Developer/Library/Frameworks -c -j10 -enable-batch-mode -incremental -Xcc -ivfsstatcache -Xcc /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/macosx26.0-25A5279m-f7c1d129d9d5414f2afbbad1fd6fd62e.sdkstatcache -output-file-map /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/PromiseKit.build/Debug/PromiseKit.build/Objects-normal/arm64/PromiseKit-OutputFileMap.json -use-frontend-parseable-output -save-temps -no-color-diagnostics -explicit-module-build -module-cache-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftExplicitPrecompiledModules -clang-scanner-module-cache-path /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex -sdk-module-cache-path /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex -serialize-diagnostics -emit-dependencies -emit-module -emit-module-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/PromiseKit.build/Debug/PromiseKit.build/Objects-normal/arm64/PromiseKit.swiftmodule -validate-clang-modules-once -clang-build-session-file /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/Session.modulevalidation -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/PromiseKit.build/Debug/PromiseKit.build/swift-overrides.hmap -emit-const-values -Xfrontend -const-gather-protocols-file -Xfrontend /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/PromiseKit.build/Debug/PromiseKit.build/Objects-normal/arm64/PromiseKit_const_extract_protocols.json -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug/include -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/PromiseKit.build/Debug/PromiseKit.build/DerivedSources-normal/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/PromiseKit.build/Debug/PromiseKit.build/DerivedSources/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/PromiseKit.build/Debug/PromiseKit.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/PromiseKit.build/Debug/PromiseKit.build/Objects-normal/arm64/PromiseKit-Swift.h -working-directory /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode -experimental-emit-module-separately -disable-cmo
--- xcodebuild: WARNING: Using the first of multiple matching destinations:
{ platform:macOS, arch:arm64, id:27ce06b952be89c9736d6a2298f043b18ecbe7cf, name:My Mac }
{ platform:macOS, arch:arm64, variant:Mac Catalyst, id:27ce06b952be89c9736d6a2298f043b18ecbe7cf, name:My Mac }
{ platform:macOS, arch:arm64, variant:DriverKit, id:27ce06b952be89c9736d6a2298f043b18ecbe7cf, name:My Mac }
{ platform:macOS, arch:arm64, variant:Designed for [iPad,iPhone], id:27ce06b952be89c9736d6a2298f043b18ecbe7cf, name:My Mac }
error: Clang dependency scanner failure: While building module 'CModbus' imported from CModbus-239afc89.input:1:
In file included from <module-includes>:1:
/Users/admin/builder/spi-builder-workspace/Sources/Libmodbus/libmodbus.h:1:9: fatal error: 'modbus.h' file not found
CModbus-239afc89.input:1:1: fatal error: could not build module 'CModbus'
/Users/admin/builder/spi-builder-workspace/Sources/SwiftyModbus/SwiftyModbus.swift:9:8: error: Unable to find module dependency: 'CModbus'
import CModbus
       ^
/Users/admin/builder/spi-builder-workspace/Sources/SwiftyModbus/SwiftyModbus.swift:9:8: note: a dependency of main module 'SwiftyModbus'
import CModbus
       ^
/Users/admin/builder/spi-builder-workspace/Sources/SwiftyModbus/SwiftyModbusResult.swift:9:8: note: also imported here
import CModbus
       ^
** BUILD FAILED **
The following build commands failed:
	SwiftDriver SwiftyModbus normal arm64 com.apple.xcode.tools.swift.compiler (in target 'SwiftyModbus' from project 'SwiftyModbus')
	Building workspace spi-builder-workspace with scheme SwiftyModbus-Package
(2 failures)
Command line invocation:
    /Applications/Xcode-26.0.0-Beta.app/Contents/Developer/usr/bin/xcodebuild -IDEClonedSourcePackagesDirPathOverride=/Users/admin/builder/spi-builder-workspace/.dependencies -resolvePackageDependencies
Resolve Package Graph
failed to retrieve search paths with pkg-config; maybe pkg-config is not installedyou may be able to install libmodbus using your system-packager:
    brew install libmodbus
Resolved source packages:
  SwiftyModbus: /Users/admin/builder/spi-builder-workspace
  PromiseKit: https://github.com/mxcl/PromiseKit.git @ 6.22.1
resolved source packages: SwiftyModbus, PromiseKit
{
  "dependencies" : [
    {
      "identity" : "promisekit",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "6.15.2",
            "upper_bound" : "7.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/mxcl/PromiseKit.git"
    }
  ],
  "manifest_display_name" : "SwiftyModbus",
  "name" : "SwiftyModbus",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
  ],
  "products" : [
    {
      "name" : "SwiftyModbusPromise",
      "targets" : [
        "SwiftyModbusPromise"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    },
    {
      "name" : "SwiftyModbus",
      "targets" : [
        "SwiftyModbus"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "SwiftyModbusTests",
      "module_type" : "SwiftTarget",
      "name" : "SwiftyModbusTests",
      "path" : "Tests/SwiftyModbusTests",
      "sources" : [
        "SwiftModbusTests.swift"
      ],
      "target_dependencies" : [
        "SwiftyModbus"
      ],
      "type" : "test"
    },
    {
      "c99name" : "SwiftyModbusPromise",
      "module_type" : "SwiftTarget",
      "name" : "SwiftyModbusPromise",
      "path" : "Sources/SwiftyModbusPromise",
      "product_dependencies" : [
        "PromiseKit"
      ],
      "product_memberships" : [
        "SwiftyModbusPromise"
      ],
      "sources" : [
        "SwiftyModbusPromise.swift"
      ],
      "target_dependencies" : [
        "CModbus"
      ],
      "type" : "library"
    },
    {
      "c99name" : "SwiftyModbus",
      "module_type" : "SwiftTarget",
      "name" : "SwiftyModbus",
      "path" : "Sources/SwiftyModbus",
      "product_memberships" : [
        "SwiftyModbus"
      ],
      "sources" : [
        "SwiftyModbus.swift",
        "SwiftyModbusResult.swift"
      ],
      "target_dependencies" : [
        "CModbus"
      ],
      "type" : "library"
    },
    {
      "c99name" : "CModbus",
      "module_type" : "SystemLibraryTarget",
      "name" : "CModbus",
      "path" : "Sources/Libmodbus",
      "product_memberships" : [
        "SwiftyModbusPromise",
        "SwiftyModbus"
      ],
      "sources" : [
      ],
      "type" : "system-target"
    }
  ],
  "tools_version" : "5.3"
}
{
  "workspace" : {
    "name" : "spi-builder-workspace",
    "schemes" : [
      "SwiftyModbus",
      "SwiftyModbus-Package",
      "SwiftyModbusPromise"
    ]
  }
}
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-26.0.0-Beta.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme SwiftyModbus-Package -destination platform=macOS,arch=arm64
Command line invocation:
    /Applications/Xcode-26.0.0-Beta.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 SwiftyModbus-Package -destination platform=macOS,arch=arm64
Resolve Package Graph
failed to retrieve search paths with pkg-config; maybe pkg-config is not installedyou may be able to install libmodbus using your system-packager:
    brew install libmodbus
Resolved source packages:
  PromiseKit: https://github.com/mxcl/PromiseKit.git @ 6.22.1
  SwiftyModbus: /Users/admin/builder/spi-builder-workspace
ComputePackagePrebuildTargetDependencyGraph
Prepare packages
CreateBuildRequest
SendProjectDescription
CreateBuildOperation
ComputeTargetDependencyGraph
note: Building targets in dependency order
note: Target dependency graph (7 targets)
    Target 'SwiftyModbusPromise' in project 'SwiftyModbus'
        ➜ Explicit dependency on target 'SwiftyModbusPromise' in project 'SwiftyModbus'
        ➜ Explicit dependency on target 'PromiseKit' in project 'PromiseKit'
    Target 'SwiftyModbusPromise' in project 'SwiftyModbus'
        ➜ Explicit dependency on target 'CModbus' in project 'SwiftyModbus'
        ➜ Explicit dependency on target 'PromiseKit' in project 'PromiseKit'
    Target 'PromiseKit' in project 'PromiseKit'
        ➜ Explicit dependency on target 'PromiseKit' in project 'PromiseKit'
    Target 'PromiseKit' in project 'PromiseKit' (no dependencies)
    Target 'SwiftyModbus' in project 'SwiftyModbus'
        ➜ Explicit dependency on target 'SwiftyModbus' in project 'SwiftyModbus'
    Target 'SwiftyModbus' in project 'SwiftyModbus'
        ➜ Explicit dependency on target 'CModbus' in project 'SwiftyModbus'
    Target 'CModbus' in project 'SwiftyModbus' (no dependencies)
GatherProvisioningInputs
CreateBuildDescription
ClangStatCache /Applications/Xcode-26.0.0-Beta.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang-stat-cache /Applications/Xcode-26.0.0-Beta.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX26.0.sdk /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/macosx26.0-25A5279m-f7c1d129d9d5414f2afbbad1fd6fd62e.sdkstatcache
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    /Applications/Xcode-26.0.0-Beta.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang-stat-cache /Applications/Xcode-26.0.0-Beta.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX26.0.sdk -o /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/macosx26.0-25A5279m-f7c1d129d9d5414f2afbbad1fd6fd62e.sdkstatcache
SwiftDriver PromiseKit normal arm64 com.apple.xcode.tools.swift.compiler (in target 'PromiseKit' from project 'PromiseKit')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-SwiftDriver -- /Applications/Xcode-26.0.0-Beta.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swiftc -module-name PromiseKit -Onone -enforce-exclusivity\=checked @/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/PromiseKit.build/Debug/PromiseKit.build/Objects-normal/arm64/PromiseKit.SwiftFileList -DSWIFT_PACKAGE -DDEBUG -DSWIFT_MODULE_RESOURCE_BUNDLE_UNAVAILABLE -DXcode -plugin-path /Applications/Xcode-26.0.0-Beta.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/plugins/testing -enable-experimental-feature DebugDescriptionMacro -sdk /Applications/Xcode-26.0.0-Beta.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX26.0.sdk -target arm64-apple-macos10.13 -g -module-cache-path /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex -Xfrontend -serialize-debugging-options -profile-coverage-mapping -profile-generate -enable-testing -suppress-warnings -index-store-path /Users/admin/builder/spi-builder-workspace/.derivedData/Index.noindex/DataStore -swift-version 5 -I /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug -I /Applications/Xcode-26.0.0-Beta.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/lib -F /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug -F /Applications/Xcode-26.0.0-Beta.app/Contents/Developer/Platforms/MacOSX.platform/Developer/Library/Frameworks -c -j10 -enable-batch-mode -incremental -Xcc -ivfsstatcache -Xcc /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/macosx26.0-25A5279m-f7c1d129d9d5414f2afbbad1fd6fd62e.sdkstatcache -output-file-map /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/PromiseKit.build/Debug/PromiseKit.build/Objects-normal/arm64/PromiseKit-OutputFileMap.json -use-frontend-parseable-output -save-temps -no-color-diagnostics -explicit-module-build -module-cache-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftExplicitPrecompiledModules -clang-scanner-module-cache-path /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex -sdk-module-cache-path /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex -serialize-diagnostics -emit-dependencies -emit-module -emit-module-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/PromiseKit.build/Debug/PromiseKit.build/Objects-normal/arm64/PromiseKit.swiftmodule -validate-clang-modules-once -clang-build-session-file /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/Session.modulevalidation -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/PromiseKit.build/Debug/PromiseKit.build/swift-overrides.hmap -emit-const-values -Xfrontend -const-gather-protocols-file -Xfrontend /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/PromiseKit.build/Debug/PromiseKit.build/Objects-normal/arm64/PromiseKit_const_extract_protocols.json -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug/include -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/PromiseKit.build/Debug/PromiseKit.build/DerivedSources-normal/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/PromiseKit.build/Debug/PromiseKit.build/DerivedSources/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/PromiseKit.build/Debug/PromiseKit.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/PromiseKit.build/Debug/PromiseKit.build/Objects-normal/arm64/PromiseKit-Swift.h -working-directory /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode -experimental-emit-module-separately -disable-cmo
SwiftDriver SwiftyModbus normal arm64 com.apple.xcode.tools.swift.compiler (in target 'SwiftyModbus' from project 'SwiftyModbus')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-SwiftDriver -- /Applications/Xcode-26.0.0-Beta.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swiftc -module-name SwiftyModbus -Onone -enforce-exclusivity\=checked @/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftyModbus.build/Debug/SwiftyModbus.build/Objects-normal/arm64/SwiftyModbus.SwiftFileList -DSWIFT_PACKAGE -DDEBUG -DSWIFT_MODULE_RESOURCE_BUNDLE_UNAVAILABLE -Xcc -fmodule-map-file\=/Users/admin/builder/spi-builder-workspace/Sources/Libmodbus/module.modulemap -DXcode -plugin-path /Applications/Xcode-26.0.0-Beta.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/plugins/testing -enable-experimental-feature DebugDescriptionMacro -sdk /Applications/Xcode-26.0.0-Beta.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX26.0.sdk -target arm64-apple-macos10.13 -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 -swift-version 5 -I /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug -I /Applications/Xcode-26.0.0-Beta.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/lib -F /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug -F /Applications/Xcode-26.0.0-Beta.app/Contents/Developer/Platforms/MacOSX.platform/Developer/Library/Frameworks -c -j10 -enable-batch-mode -incremental -Xcc -ivfsstatcache -Xcc /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/macosx26.0-25A5279m-f7c1d129d9d5414f2afbbad1fd6fd62e.sdkstatcache -output-file-map /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftyModbus.build/Debug/SwiftyModbus.build/Objects-normal/arm64/SwiftyModbus-OutputFileMap.json -use-frontend-parseable-output -save-temps -no-color-diagnostics -explicit-module-build -module-cache-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftExplicitPrecompiledModules -clang-scanner-module-cache-path /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex -sdk-module-cache-path /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex -serialize-diagnostics -emit-dependencies -emit-module -emit-module-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftyModbus.build/Debug/SwiftyModbus.build/Objects-normal/arm64/SwiftyModbus.swiftmodule -validate-clang-modules-once -clang-build-session-file /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/Session.modulevalidation -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftyModbus.build/Debug/SwiftyModbus.build/swift-overrides.hmap -emit-const-values -Xfrontend -const-gather-protocols-file -Xfrontend /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftyModbus.build/Debug/SwiftyModbus.build/Objects-normal/arm64/SwiftyModbus_const_extract_protocols.json -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug/include -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftyModbus.build/Debug/SwiftyModbus.build/DerivedSources-normal/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftyModbus.build/Debug/SwiftyModbus.build/DerivedSources/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftyModbus.build/Debug/SwiftyModbus.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/SwiftyModbus.build/Debug/SwiftyModbus.build/Objects-normal/arm64/SwiftyModbus-Swift.h -working-directory /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode -experimental-emit-module-separately -disable-cmo
error: Clang dependency scanner failure: While building module 'CModbus' imported from CModbus-b18e76a5.input:1:
In file included from <module-includes>:1:
/Users/admin/builder/spi-builder-workspace/Sources/Libmodbus/libmodbus.h:1:9: fatal error: 'modbus.h' file not found
CModbus-b18e76a5.input:1:1: fatal error: could not build module 'CModbus'
 (in target 'SwiftyModbus' from project 'SwiftyModbus')
/Users/admin/builder/spi-builder-workspace/Sources/SwiftyModbus/SwiftyModbus.swift:9:8: error: Unable to find module dependency: 'CModbus'
import CModbus
       ^ (in target 'SwiftyModbus' from project 'SwiftyModbus')
/Users/admin/builder/spi-builder-workspace/Sources/SwiftyModbus/SwiftyModbus.swift:9:8: note: A dependency of main module 'SwiftyModbus'
import CModbus
       ^ (in target 'SwiftyModbus' from project 'SwiftyModbus')
/Users/admin/builder/spi-builder-workspace/Sources/SwiftyModbus/SwiftyModbusResult.swift:9:8: note: Also imported here
import CModbus
       ^ (in target 'SwiftyModbus' from project 'SwiftyModbus')
--- xcodebuild: WARNING: Using the first of multiple matching destinations:
{ platform:macOS, arch:arm64, id:27ce06b952be89c9736d6a2298f043b18ecbe7cf, name:My Mac }
{ platform:macOS, arch:arm64, variant:Mac Catalyst, id:27ce06b952be89c9736d6a2298f043b18ecbe7cf, name:My Mac }
{ platform:macOS, arch:arm64, variant:DriverKit, id:27ce06b952be89c9736d6a2298f043b18ecbe7cf, name:My Mac }
{ platform:macOS, arch:arm64, variant:Designed for [iPad,iPhone], id:27ce06b952be89c9736d6a2298f043b18ecbe7cf, name:My Mac }
error: Clang dependency scanner failure: While building module 'CModbus' imported from CModbus-b18e76a5.input:1:
In file included from <module-includes>:1:
/Users/admin/builder/spi-builder-workspace/Sources/Libmodbus/libmodbus.h:1:9: fatal error: 'modbus.h' file not found
CModbus-b18e76a5.input:1:1: fatal error: could not build module 'CModbus'
/Users/admin/builder/spi-builder-workspace/Sources/SwiftyModbus/SwiftyModbus.swift:9:8: error: Unable to find module dependency: 'CModbus'
import CModbus
       ^
/Users/admin/builder/spi-builder-workspace/Sources/SwiftyModbus/SwiftyModbus.swift:9:8: note: a dependency of main module 'SwiftyModbus'
import CModbus
       ^
/Users/admin/builder/spi-builder-workspace/Sources/SwiftyModbus/SwiftyModbusResult.swift:9:8: note: also imported here
import CModbus
       ^
** BUILD FAILED **
The following build commands failed:
	SwiftDriver SwiftyModbus normal arm64 com.apple.xcode.tools.swift.compiler (in target 'SwiftyModbus' from project 'SwiftyModbus')
	Building workspace spi-builder-workspace with scheme SwiftyModbus-Package
(2 failures)
BUILD FAILURE 6.2 macosXcodebuild