LibXMTP – Build Information – Swift Package Index

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Build Information

Failed to build LibXMTP, reference 4.5.0-dev.c78b650 (4cf6ef), with Swift 6.1 for watchOS using Xcode 16.3 on 11 Sep 2025 20:30:08 UTC.

Build Command

env DEVELOPER_DIR=/Applications/Xcode-16.3.0.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme LibXMTP -destination generic/platform=watchOS

Build Log

========================================
RunAll
========================================
Builder version: 4.67.1
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/xmtp/libxmtp-swift.git
Reference: 4.5.0-dev.c78b650
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/xmtp/libxmtp-swift
 * tag               4.5.0-dev.c78b650 -> FETCH_HEAD
HEAD is now at 4cf6ef7 Update to libxmtp 4.5.0-dev.c78b650
Cloned https://github.com/xmtp/libxmtp-swift.git
Revision (git rev-parse @):
4cf6ef75668d8ea32d29aa10f951b1442535a24e
SUCCESS checkout https://github.com/xmtp/libxmtp-swift.git at 4.5.0-dev.c78b650
========================================
Build
========================================
Selected platform:         watchOS
Swift version:             6.1
Building package at path:  $PWD
https://github.com/xmtp/libxmtp-swift.git
https://github.com/xmtp/libxmtp-swift.git
{
  "dependencies" : [
  ],
  "manifest_display_name" : "LibXMTP",
  "name" : "LibXMTP",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "ios",
      "version" : "13.0"
    },
    {
      "name" : "macos",
      "version" : "11.0"
    }
  ],
  "products" : [
    {
      "name" : "LibXMTP",
      "targets" : [
        "LibXMTP",
        "LibXMTPSwiftFFI"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "LibXMTPTests",
      "module_type" : "SwiftTarget",
      "name" : "LibXMTPTests",
      "path" : "Tests/LibXMTPTests",
      "sources" : [
        "LibXMTPTest.swift"
      ],
      "target_dependencies" : [
        "LibXMTP"
      ],
      "type" : "test"
    },
    {
      "c99name" : "LibXMTPSwiftFFI",
      "module_type" : "BinaryTarget",
      "name" : "LibXMTPSwiftFFI",
      "path" : "remote/archive/LibXMTPSwiftFFI.zip",
      "product_memberships" : [
        "LibXMTP"
      ],
      "sources" : [
      ],
      "type" : "binary"
    },
    {
      "c99name" : "LibXMTP",
      "module_type" : "SwiftTarget",
      "name" : "LibXMTP",
      "path" : "Sources/LibXMTP",
      "product_memberships" : [
        "LibXMTP"
      ],
      "sources" : [
        "xmtpv3.swift"
      ],
      "target_dependencies" : [
        "LibXMTPSwiftFFI"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.7"
}
Command line invocation:
    /Applications/Xcode-16.3.0.app/Contents/Developer/usr/bin/xcodebuild -IDEClonedSourcePackagesDirPathOverride=/Users/admin/builder/spi-builder-workspace/.dependencies -resolvePackageDependencies
Resolve Package Graph
Resolve Package Graph
Resolved source packages:
  LibXMTP: /Users/admin/builder/spi-builder-workspace
resolved source packages: LibXMTP
{
  "dependencies" : [
  ],
  "manifest_display_name" : "LibXMTP",
  "name" : "LibXMTP",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "ios",
      "version" : "13.0"
    },
    {
      "name" : "macos",
      "version" : "11.0"
    }
  ],
  "products" : [
    {
      "name" : "LibXMTP",
      "targets" : [
        "LibXMTP",
        "LibXMTPSwiftFFI"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "LibXMTPTests",
      "module_type" : "SwiftTarget",
      "name" : "LibXMTPTests",
      "path" : "Tests/LibXMTPTests",
      "sources" : [
        "LibXMTPTest.swift"
      ],
      "target_dependencies" : [
        "LibXMTP"
      ],
      "type" : "test"
    },
    {
      "c99name" : "LibXMTPSwiftFFI",
      "module_type" : "BinaryTarget",
      "name" : "LibXMTPSwiftFFI",
      "path" : "remote/archive/LibXMTPSwiftFFI.zip",
      "product_memberships" : [
        "LibXMTP"
      ],
      "sources" : [
      ],
      "type" : "binary"
    },
    {
      "c99name" : "LibXMTP",
      "module_type" : "SwiftTarget",
      "name" : "LibXMTP",
      "path" : "Sources/LibXMTP",
      "product_memberships" : [
        "LibXMTP"
      ],
      "sources" : [
        "xmtpv3.swift"
      ],
      "target_dependencies" : [
        "LibXMTPSwiftFFI"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.7"
}
{
  "workspace" : {
    "name" : "spi-builder-workspace",
    "schemes" : [
      "LibXMTP"
    ]
  }
}
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-16.3.0.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme LibXMTP -destination generic/platform=watchOS OTHER_SWIFT_FLAGS=-stats-output-dir .stats -strict-concurrency=complete -enable-upcoming-feature StrictConcurrency -enable-upcoming-feature DisableOutwardActorInference -enable-upcoming-feature GlobalActorIsolatedTypesUsability -enable-upcoming-feature InferSendableFromCaptures
Command line invocation:
    /Applications/Xcode-16.3.0.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 LibXMTP -destination generic/platform=watchOS "OTHER_SWIFT_FLAGS=-stats-output-dir .stats -strict-concurrency=complete -enable-upcoming-feature StrictConcurrency -enable-upcoming-feature DisableOutwardActorInference -enable-upcoming-feature GlobalActorIsolatedTypesUsability -enable-upcoming-feature InferSendableFromCaptures"
Build settings from command line:
    OTHER_SWIFT_FLAGS = -stats-output-dir .stats -strict-concurrency=complete -enable-upcoming-feature StrictConcurrency -enable-upcoming-feature DisableOutwardActorInference -enable-upcoming-feature GlobalActorIsolatedTypesUsability -enable-upcoming-feature InferSendableFromCaptures
Resolve Package Graph
Resolved source packages:
  LibXMTP: /Users/admin/builder/spi-builder-workspace
ComputePackagePrebuildTargetDependencyGraph
Prepare packages
CreateBuildRequest
SendProjectDescription
CreateBuildOperation
ComputeTargetDependencyGraph
note: Building targets in dependency order
note: Target dependency graph (2 targets)
    Target 'LibXMTP' in project 'LibXMTP'
        ➜ Explicit dependency on target 'LibXMTP' in project 'LibXMTP'
    Target 'LibXMTP' in project 'LibXMTP' (no dependencies)
GatherProvisioningInputs
CreateBuildDescription
ExecuteExternalTool /Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -v -E -dM -isysroot /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS11.4.sdk -x c -c /dev/null
ExecuteExternalTool /Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swiftc --version
ExecuteExternalTool /Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/ld -version_details
Build description signature: 332bd70a6574bf8dac016387931b2d6e
Build description path: /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/XCBuildData/332bd70a6574bf8dac016387931b2d6e.xcbuilddata
/Users/admin/builder/spi-builder-workspace/.dependencies/artifacts/spi-builder-workspace/LibXMTPSwiftFFI/LibXMTPSwiftFFI.xcframework:1:1: error: While building for watchOS, no library for this platform was found in '/Users/admin/builder/spi-builder-workspace/.dependencies/artifacts/spi-builder-workspace/LibXMTPSwiftFFI/LibXMTPSwiftFFI.xcframework'. (in target 'LibXMTP' from project 'LibXMTP')
/Users/admin/builder/spi-builder-workspace/.dependencies/artifacts/spi-builder-workspace/LibXMTPSwiftFFI/LibXMTPSwiftFFI.xcframework:1:1: error: While building for watchOS, no library for this platform was found in '/Users/admin/builder/spi-builder-workspace/.dependencies/artifacts/spi-builder-workspace/LibXMTPSwiftFFI/LibXMTPSwiftFFI.xcframework'. (in target 'LibXMTP' from project 'LibXMTP')
/Users/admin/builder/spi-builder-workspace/.dependencies/artifacts/spi-builder-workspace/LibXMTPSwiftFFI/LibXMTPSwiftFFI.xcframework:1:1: error: While building for watchOS, no library for this platform was found in '/Users/admin/builder/spi-builder-workspace/.dependencies/artifacts/spi-builder-workspace/LibXMTPSwiftFFI/LibXMTPSwiftFFI.xcframework'. (in target 'LibXMTP' from project 'LibXMTP')
** BUILD FAILED **
The following build commands failed:
	Building workspace spi-builder-workspace with scheme LibXMTP
(1 failure)
Command line invocation:
    /Applications/Xcode-16.3.0.app/Contents/Developer/usr/bin/xcodebuild -IDEClonedSourcePackagesDirPathOverride=/Users/admin/builder/spi-builder-workspace/.dependencies -resolvePackageDependencies
Resolve Package Graph
Resolved source packages:
  LibXMTP: /Users/admin/builder/spi-builder-workspace
resolved source packages: LibXMTP
{
  "dependencies" : [
  ],
  "manifest_display_name" : "LibXMTP",
  "name" : "LibXMTP",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "ios",
      "version" : "13.0"
    },
    {
      "name" : "macos",
      "version" : "11.0"
    }
  ],
  "products" : [
    {
      "name" : "LibXMTP",
      "targets" : [
        "LibXMTP",
        "LibXMTPSwiftFFI"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "LibXMTPTests",
      "module_type" : "SwiftTarget",
      "name" : "LibXMTPTests",
      "path" : "Tests/LibXMTPTests",
      "sources" : [
        "LibXMTPTest.swift"
      ],
      "target_dependencies" : [
        "LibXMTP"
      ],
      "type" : "test"
    },
    {
      "c99name" : "LibXMTPSwiftFFI",
      "module_type" : "BinaryTarget",
      "name" : "LibXMTPSwiftFFI",
      "path" : "remote/archive/LibXMTPSwiftFFI.zip",
      "product_memberships" : [
        "LibXMTP"
      ],
      "sources" : [
      ],
      "type" : "binary"
    },
    {
      "c99name" : "LibXMTP",
      "module_type" : "SwiftTarget",
      "name" : "LibXMTP",
      "path" : "Sources/LibXMTP",
      "product_memberships" : [
        "LibXMTP"
      ],
      "sources" : [
        "xmtpv3.swift"
      ],
      "target_dependencies" : [
        "LibXMTPSwiftFFI"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.7"
}
{
  "workspace" : {
    "name" : "spi-builder-workspace",
    "schemes" : [
      "LibXMTP"
    ]
  }
}
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-16.3.0.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme LibXMTP -destination generic/platform=watchOS
Command line invocation:
    /Applications/Xcode-16.3.0.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 LibXMTP -destination generic/platform=watchOS
Resolve Package Graph
Resolved source packages:
  LibXMTP: /Users/admin/builder/spi-builder-workspace
ComputePackagePrebuildTargetDependencyGraph
Prepare packages
CreateBuildRequest
SendProjectDescription
CreateBuildOperation
ComputeTargetDependencyGraph
note: Building targets in dependency order
note: Target dependency graph (2 targets)
    Target 'LibXMTP' in project 'LibXMTP'
        ➜ Explicit dependency on target 'LibXMTP' in project 'LibXMTP'
    Target 'LibXMTP' in project 'LibXMTP' (no dependencies)
GatherProvisioningInputs
CreateBuildDescription
ExecuteExternalTool /Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -v -E -dM -isysroot /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS11.4.sdk -x c -c /dev/null
ExecuteExternalTool /Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swiftc --version
ExecuteExternalTool /Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/ld -version_details
Build description signature: 929a1d208eba99ce3667561067d8edea
Build description path: /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/XCBuildData/929a1d208eba99ce3667561067d8edea.xcbuilddata
/Users/admin/builder/spi-builder-workspace/.dependencies/artifacts/spi-builder-workspace/LibXMTPSwiftFFI/LibXMTPSwiftFFI.xcframework:1:1: error: While building for watchOS, no library for this platform was found in '/Users/admin/builder/spi-builder-workspace/.dependencies/artifacts/spi-builder-workspace/LibXMTPSwiftFFI/LibXMTPSwiftFFI.xcframework'. (in target 'LibXMTP' from project 'LibXMTP')
/Users/admin/builder/spi-builder-workspace/.dependencies/artifacts/spi-builder-workspace/LibXMTPSwiftFFI/LibXMTPSwiftFFI.xcframework:1:1: error: While building for watchOS, no library for this platform was found in '/Users/admin/builder/spi-builder-workspace/.dependencies/artifacts/spi-builder-workspace/LibXMTPSwiftFFI/LibXMTPSwiftFFI.xcframework'. (in target 'LibXMTP' from project 'LibXMTP')
/Users/admin/builder/spi-builder-workspace/.dependencies/artifacts/spi-builder-workspace/LibXMTPSwiftFFI/LibXMTPSwiftFFI.xcframework:1:1: error: While building for watchOS, no library for this platform was found in '/Users/admin/builder/spi-builder-workspace/.dependencies/artifacts/spi-builder-workspace/LibXMTPSwiftFFI/LibXMTPSwiftFFI.xcframework'. (in target 'LibXMTP' from project 'LibXMTP')
** BUILD FAILED **
The following build commands failed:
	Building workspace spi-builder-workspace with scheme LibXMTP
(1 failure)
BUILD FAILURE 6.1 watchOS