Swift Package Index

Build Information

Failed to build Mqtt, reference master (2af558), with Swift 6.4 for macOS (Xcode) using Xcode 27.0 on 16 Sep 2026 07:21:08 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 Mqtt-Package -destination platform=macOS,arch=arm64

Build Log

========================================
RunAll
========================================
Builder version: 5.1.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/hjianbo/mqtt.git
Reference: master
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/hjianbo/mqtt
 * branch            master     -> FETCH_HEAD
 * [new branch]      master     -> origin/master
HEAD is now at 2af5589 Merge branch 'dev'
Cloned https://github.com/hjianbo/mqtt.git
Revision (git rev-parse @):
2af55898db7cccfc12accfd0a15fe4ecbf9fa579
SUCCESS checkout https://github.com/hjianbo/mqtt.git at master
========================================
Build
========================================
Selected platform:         macosXcodebuild
Swift version:             6.4
Building package at path:  $PWD
https://github.com/hjianbo/mqtt.git
Command line invocation:
    /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/usr/bin/xcodebuild -IDEClonedSourcePackagesDirPathOverride=/Users/admin/builder/spi-builder-workspace/.dependencies -resolvePackageDependencies
resolved source packages:
{
  "dependencies" : [
    {
      "identity" : "sockets",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "2.2.0",
            "upper_bound" : "3.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/vapor/sockets"
    }
  ],
  "manifest_display_name" : "Mqtt",
  "name" : "Mqtt",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
  ],
  "products" : [
    {
      "name" : "Mqtt",
      "targets" : [
        "Mqtt"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "MqttTests",
      "module_type" : "SwiftTarget",
      "name" : "MqttTests",
      "path" : "Tests/MqttTests",
      "sources" : [
        "MqttClientTests.swift",
        "MqttPacketTests.swift",
        "XCTestManifests.swift"
      ],
      "target_dependencies" : [
        "Mqtt"
      ],
      "type" : "test"
    },
    {
      "c99name" : "Mqtt",
      "module_type" : "SwiftTarget",
      "name" : "Mqtt",
      "path" : "Sources/Mqtt",
      "product_dependencies" : [
        "Sockets"
      ],
      "product_memberships" : [
        "Mqtt"
      ],
      "sources" : [
        "DDLog.swift",
        "Extension.swift",
        "LocalStorage.swift",
        "MqttClient.swift",
        "Packet/ConnAckPacket.swift",
        "Packet/ConnectPacket.swift",
        "Packet/DisconnectPacket.swift",
        "Packet/Packet.swift",
        "Packet/PingReqPacket.swift",
        "Packet/PingRespPacket.swift",
        "Packet/PubAckPacket.swift",
        "Packet/PubCompPacket.swift",
        "Packet/PubRecPacket.swift",
        "Packet/PubRelPacket.swift",
        "Packet/PublishPacket.swift",
        "Packet/SubAckPacket.swift",
        "Packet/SubscribePacket.swift",
        "Packet/UnsubAckPacket.swift",
        "Packet/UnsubscribePacket.swift",
        "Session/Session.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "4.0"
}
warning: 'spi-builder-workspace': Invalid Exclude '/Users/admin/builder/spi-builder-workspace/Sources/Mqtt/Examples': File not found.
{
  "project" : {
    "configurations" : [
      "Debug",
      "Release"
    ],
    "name" : "Mqtt",
    "schemes" : [
      "BitsPackageDescription",
      "CorePackageDescription",
      "DebuggingPackageDescription",
      "Mqtt-Package",
      "MqttPackageDescription",
      "MqttPackageTests",
      "SocketsPackageDescription"
    ],
    "targets" : [
      "MqttPackageDescription",
      "SocketsPackageDescription",
      "CorePackageDescription",
      "DebuggingPackageDescription",
      "BitsPackageDescription",
      "MqttTests",
      "Mqtt",
      "Sockets",
      "Transport",
      "Core",
      "Debugging",
      "Bits",
      "libc",
      "MqttPackageTests"
    ]
  }
}
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 Mqtt-Package -destination platform=macOS,arch=arm64
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 Mqtt-Package -destination platform=macOS,arch=arm64
ComputePackagePrebuildTargetDependencyGraph
Prepare packages
CreateBuildRequest
SendProjectDescription
CreateBuildOperation
ComputeTargetDependencyGraph
note: Building targets in dependency order
note: Target dependency graph (7 targets)
    Target 'Mqtt' in project 'Mqtt'
        ➜ Explicit dependency on target 'Sockets' in project 'Mqtt'
        ➜ Explicit dependency on target 'Transport' in project 'Mqtt'
        ➜ Explicit dependency on target 'Core' in project 'Mqtt'
        ➜ Explicit dependency on target 'Debugging' in project 'Mqtt'
        ➜ Explicit dependency on target 'Bits' in project 'Mqtt'
        ➜ Explicit dependency on target 'libc' in project 'Mqtt'
    Target 'Sockets' in project 'Mqtt'
        ➜ Explicit dependency on target 'Transport' in project 'Mqtt'
        ➜ Explicit dependency on target 'Core' in project 'Mqtt'
        ➜ Explicit dependency on target 'Debugging' in project 'Mqtt'
        ➜ Explicit dependency on target 'Bits' in project 'Mqtt'
        ➜ Explicit dependency on target 'libc' in project 'Mqtt'
    Target 'Transport' in project 'Mqtt'
        ➜ Explicit dependency on target 'Core' in project 'Mqtt'
        ➜ Explicit dependency on target 'Debugging' in project 'Mqtt'
        ➜ Explicit dependency on target 'Bits' in project 'Mqtt'
        ➜ Explicit dependency on target 'libc' in project 'Mqtt'
    Target 'Core' in project 'Mqtt'
        ➜ Explicit dependency on target 'Debugging' in project 'Mqtt'
        ➜ Explicit dependency on target 'Bits' in project 'Mqtt'
        ➜ Explicit dependency on target 'libc' in project 'Mqtt'
    Target 'libc' in project 'Mqtt' (no dependencies)
    Target 'Bits' in project 'Mqtt' (no dependencies)
    Target 'Debugging' in project 'Mqtt' (no dependencies)
GatherProvisioningInputs
CreateBuildDescription
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/clang -v -E -dM -isysroot /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX27.0.sdk -x c -c /dev/null
ExecuteExternalTool /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/ld -version_details
Build description signature: 989b1b76509af100447982ab76ff8218
Build description path: /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/XCBuildData/989b1b76509af100447982ab76ff8218.xcbuilddata
/Users/admin/builder/spi-builder-workspace/Mqtt.xcodeproj: error: The macOS deployment target 'MACOSX_DEPLOYMENT_TARGET' is set to 10.10, but the range of supported deployment target versions is 12.0 to 27.0.x. (in target 'Bits' from project 'Mqtt')
/Users/admin/builder/spi-builder-workspace/Mqtt.xcodeproj: error: The macOS deployment target 'MACOSX_DEPLOYMENT_TARGET' is set to 10.10, but the range of supported deployment target versions is 12.0 to 27.0.x. (in target 'libc' from project 'Mqtt')
/Users/admin/builder/spi-builder-workspace/Mqtt.xcodeproj: error: The macOS deployment target 'MACOSX_DEPLOYMENT_TARGET' is set to 10.10, but the range of supported deployment target versions is 12.0 to 27.0.x. (in target 'Transport' from project 'Mqtt')
/Users/admin/builder/spi-builder-workspace/Mqtt.xcodeproj: error: The macOS deployment target 'MACOSX_DEPLOYMENT_TARGET' is set to 10.10, but the range of supported deployment target versions is 12.0 to 27.0.x. (in target 'Mqtt' from project 'Mqtt')
/Users/admin/builder/spi-builder-workspace/Mqtt.xcodeproj: error: The macOS deployment target 'MACOSX_DEPLOYMENT_TARGET' is set to 10.10, but the range of supported deployment target versions is 12.0 to 27.0.x. (in target 'Debugging' from project 'Mqtt')
/Users/admin/builder/spi-builder-workspace/Mqtt.xcodeproj: error: The macOS deployment target 'MACOSX_DEPLOYMENT_TARGET' is set to 10.10, but the range of supported deployment target versions is 12.0 to 27.0.x. (in target 'Sockets' from project 'Mqtt')
/Users/admin/builder/spi-builder-workspace/Mqtt.xcodeproj: error: The macOS deployment target 'MACOSX_DEPLOYMENT_TARGET' is set to 10.10, but the range of supported deployment target versions is 12.0 to 27.0.x. (in target 'Core' from project 'Mqtt')
** BUILD FAILED **
The following build commands failed:
	Building project Mqtt with scheme Mqtt-Package
(1 failure)
Command line invocation:
    /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/usr/bin/xcodebuild -IDEClonedSourcePackagesDirPathOverride=/Users/admin/builder/spi-builder-workspace/.dependencies -resolvePackageDependencies
resolved source packages:
{
  "dependencies" : [
    {
      "identity" : "sockets",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "2.2.0",
            "upper_bound" : "3.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/vapor/sockets"
    }
  ],
  "manifest_display_name" : "Mqtt",
  "name" : "Mqtt",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
  ],
  "products" : [
    {
      "name" : "Mqtt",
      "targets" : [
        "Mqtt"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "MqttTests",
      "module_type" : "SwiftTarget",
      "name" : "MqttTests",
      "path" : "Tests/MqttTests",
      "sources" : [
        "MqttClientTests.swift",
        "MqttPacketTests.swift",
        "XCTestManifests.swift"
      ],
      "target_dependencies" : [
        "Mqtt"
      ],
      "type" : "test"
    },
    {
      "c99name" : "Mqtt",
      "module_type" : "SwiftTarget",
      "name" : "Mqtt",
      "path" : "Sources/Mqtt",
      "product_dependencies" : [
        "Sockets"
      ],
      "product_memberships" : [
        "Mqtt"
      ],
      "sources" : [
        "DDLog.swift",
        "Extension.swift",
        "LocalStorage.swift",
        "MqttClient.swift",
        "Packet/ConnAckPacket.swift",
        "Packet/ConnectPacket.swift",
        "Packet/DisconnectPacket.swift",
        "Packet/Packet.swift",
        "Packet/PingReqPacket.swift",
        "Packet/PingRespPacket.swift",
        "Packet/PubAckPacket.swift",
        "Packet/PubCompPacket.swift",
        "Packet/PubRecPacket.swift",
        "Packet/PubRelPacket.swift",
        "Packet/PublishPacket.swift",
        "Packet/SubAckPacket.swift",
        "Packet/SubscribePacket.swift",
        "Packet/UnsubAckPacket.swift",
        "Packet/UnsubscribePacket.swift",
        "Session/Session.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "4.0"
}
warning: 'spi-builder-workspace': Invalid Exclude '/Users/admin/builder/spi-builder-workspace/Sources/Mqtt/Examples': File not found.
{
  "project" : {
    "configurations" : [
      "Debug",
      "Release"
    ],
    "name" : "Mqtt",
    "schemes" : [
      "BitsPackageDescription",
      "CorePackageDescription",
      "DebuggingPackageDescription",
      "Mqtt-Package",
      "MqttPackageDescription",
      "MqttPackageTests",
      "SocketsPackageDescription"
    ],
    "targets" : [
      "MqttPackageDescription",
      "SocketsPackageDescription",
      "CorePackageDescription",
      "DebuggingPackageDescription",
      "BitsPackageDescription",
      "MqttTests",
      "Mqtt",
      "Sockets",
      "Transport",
      "Core",
      "Debugging",
      "Bits",
      "libc",
      "MqttPackageTests"
    ]
  }
}
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 Mqtt-Package -destination platform=macOS,arch=arm64
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 Mqtt-Package -destination platform=macOS,arch=arm64
ComputePackagePrebuildTargetDependencyGraph
Prepare packages
CreateBuildRequest
SendProjectDescription
CreateBuildOperation
ComputeTargetDependencyGraph
note: Building targets in dependency order
note: Target dependency graph (7 targets)
    Target 'Mqtt' in project 'Mqtt'
        ➜ Explicit dependency on target 'Sockets' in project 'Mqtt'
        ➜ Explicit dependency on target 'Transport' in project 'Mqtt'
        ➜ Explicit dependency on target 'Core' in project 'Mqtt'
        ➜ Explicit dependency on target 'Debugging' in project 'Mqtt'
        ➜ Explicit dependency on target 'Bits' in project 'Mqtt'
        ➜ Explicit dependency on target 'libc' in project 'Mqtt'
    Target 'Sockets' in project 'Mqtt'
        ➜ Explicit dependency on target 'Transport' in project 'Mqtt'
        ➜ Explicit dependency on target 'Core' in project 'Mqtt'
        ➜ Explicit dependency on target 'Debugging' in project 'Mqtt'
        ➜ Explicit dependency on target 'Bits' in project 'Mqtt'
        ➜ Explicit dependency on target 'libc' in project 'Mqtt'
    Target 'Transport' in project 'Mqtt'
        ➜ Explicit dependency on target 'Core' in project 'Mqtt'
        ➜ Explicit dependency on target 'Debugging' in project 'Mqtt'
        ➜ Explicit dependency on target 'Bits' in project 'Mqtt'
        ➜ Explicit dependency on target 'libc' in project 'Mqtt'
    Target 'Core' in project 'Mqtt'
        ➜ Explicit dependency on target 'Debugging' in project 'Mqtt'
        ➜ Explicit dependency on target 'Bits' in project 'Mqtt'
        ➜ Explicit dependency on target 'libc' in project 'Mqtt'
    Target 'libc' in project 'Mqtt' (no dependencies)
    Target 'Bits' in project 'Mqtt' (no dependencies)
    Target 'Debugging' in project 'Mqtt' (no dependencies)
GatherProvisioningInputs
CreateBuildDescription
/Users/admin/builder/spi-builder-workspace/Mqtt.xcodeproj: error: The macOS deployment target 'MACOSX_DEPLOYMENT_TARGET' is set to 10.10, but the range of supported deployment target versions is 12.0 to 27.0.x. (in target 'Sockets' from project 'Mqtt')
/Users/admin/builder/spi-builder-workspace/Mqtt.xcodeproj: error: The macOS deployment target 'MACOSX_DEPLOYMENT_TARGET' is set to 10.10, but the range of supported deployment target versions is 12.0 to 27.0.x. (in target 'Core' from project 'Mqtt')
/Users/admin/builder/spi-builder-workspace/Mqtt.xcodeproj: error: The macOS deployment target 'MACOSX_DEPLOYMENT_TARGET' is set to 10.10, but the range of supported deployment target versions is 12.0 to 27.0.x. (in target 'Mqtt' from project 'Mqtt')
/Users/admin/builder/spi-builder-workspace/Mqtt.xcodeproj: error: The macOS deployment target 'MACOSX_DEPLOYMENT_TARGET' is set to 10.10, but the range of supported deployment target versions is 12.0 to 27.0.x. (in target 'Debugging' from project 'Mqtt')
/Users/admin/builder/spi-builder-workspace/Mqtt.xcodeproj: error: The macOS deployment target 'MACOSX_DEPLOYMENT_TARGET' is set to 10.10, but the range of supported deployment target versions is 12.0 to 27.0.x. (in target 'Bits' from project 'Mqtt')
/Users/admin/builder/spi-builder-workspace/Mqtt.xcodeproj: error: The macOS deployment target 'MACOSX_DEPLOYMENT_TARGET' is set to 10.10, but the range of supported deployment target versions is 12.0 to 27.0.x. (in target 'Transport' from project 'Mqtt')
/Users/admin/builder/spi-builder-workspace/Mqtt.xcodeproj: error: The macOS deployment target 'MACOSX_DEPLOYMENT_TARGET' is set to 10.10, but the range of supported deployment target versions is 12.0 to 27.0.x. (in target 'libc' from project 'Mqtt')
** BUILD FAILED **
The following build commands failed:
	Building project Mqtt with scheme Mqtt-Package
(1 failure)
BUILD FAILURE 6.4 macosXcodebuild