The Swift Package Index logo.Swift Package Index

Build Information

Failed to build SerialSwift, reference 1.0.4 (d2ee52), with Swift 6.3 for tvOS using Xcode 26.4 on 13 Apr 2026 08:40:34 UTC.

Build Command

env DEVELOPER_DIR=/Applications/Xcode-26.4.0.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme SerialSwift -destination generic/platform=tvOS

Build Log

========================================
RunAll
========================================
Builder version: 4.70.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/Flowduino/SerialSwift.git
Reference: 1.0.4
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/Flowduino/SerialSwift
 * tag               1.0.4      -> FETCH_HEAD
HEAD is now at d2ee521 EventDrivenSwift upgraded to 5.1.0
Cloned https://github.com/Flowduino/SerialSwift.git
Revision (git rev-parse @):
d2ee52193980d23ecf9ccd2d8fc65d292db9fcaf
SUCCESS checkout https://github.com/Flowduino/SerialSwift.git at 1.0.4
========================================
Build
========================================
Selected platform:         tvOS
Swift version:             6.3
Building package at path:  $PWD
https://github.com/Flowduino/SerialSwift.git
Command line invocation:
    /Applications/Xcode-26.4.0.app/Contents/Developer/usr/bin/xcodebuild -IDEClonedSourcePackagesDirPathOverride=/Users/admin/builder/spi-builder-workspace/.dependencies -resolvePackageDependencies
Resolve Package Graph
Fetching from https://github.com/Flowduino/ThreadSafeSwift.git
Fetching from https://github.com/Flowduino/Observable.git
Fetching from https://github.com/Flowduino/EventDrivenSwift.git
Fetching from https://github.com/armadsen/ORSSerialPort.git
Creating working copy of package ‘EventDrivenSwift’
Checking out 5.2.0 of package ‘EventDrivenSwift’
Creating working copy of package ‘Observable’
Checking out 2.0.0 of package ‘Observable’
Creating working copy of package ‘ThreadSafeSwift’
Checking out 1.1.0 of package ‘ThreadSafeSwift’
Creating working copy of package ‘ORSSerialPort’
Checking out 2.1.0 of package ‘ORSSerialPort’
Resolve Package Graph
Resolved source packages:
  EventDrivenSwift: https://github.com/Flowduino/EventDrivenSwift.git @ 5.2.0
  ORSSerialPort: https://github.com/armadsen/ORSSerialPort.git @ 2.1.0
  SerialSwift: /Users/admin/builder/spi-builder-workspace
  ThreadSafeSwift: https://github.com/Flowduino/ThreadSafeSwift.git @ 1.1.0
  Observable: https://github.com/Flowduino/Observable.git @ 2.0.0
resolved source packages: EventDrivenSwift, ORSSerialPort, SerialSwift, ThreadSafeSwift, Observable
2026-04-13 04:40:18.245 xcodebuild[563:3093] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
{
  "dependencies" : [
    {
      "identity" : "threadsafeswift",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "1.1.0",
            "upper_bound" : "2.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/Flowduino/ThreadSafeSwift.git"
    },
    {
      "identity" : "observable",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "2.0.0",
            "upper_bound" : "3.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/Flowduino/Observable.git"
    },
    {
      "identity" : "eventdrivenswift",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "5.0.0",
            "upper_bound" : "6.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/Flowduino/EventDrivenSwift.git"
    },
    {
      "identity" : "orsserialport",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "2.1.0",
            "upper_bound" : "3.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/armadsen/ORSSerialPort.git"
    }
  ],
  "manifest_display_name" : "SerialSwift",
  "name" : "SerialSwift",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "macos",
      "version" : "10.15"
    }
  ],
  "products" : [
    {
      "name" : "SerialSwift",
      "targets" : [
        "SerialSwift"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "SerialSwiftTests",
      "module_type" : "SwiftTarget",
      "name" : "SerialSwiftTests",
      "path" : "Tests/SerialSwiftTests",
      "product_dependencies" : [
        "ThreadSafeSwift",
        "Observable",
        "EventDrivenSwift",
        "ORSSerial"
      ],
      "sources" : [
        "SerialTests.swift"
      ],
      "target_dependencies" : [
        "SerialSwift"
      ],
      "type" : "test"
    },
    {
      "c99name" : "SerialSwift",
      "module_type" : "SwiftTarget",
      "name" : "SerialSwift",
      "path" : "Sources/SerialSwift",
      "product_dependencies" : [
        "ThreadSafeSwift",
        "Observable",
        "EventDrivenSwift",
        "ORSSerial"
      ],
      "product_memberships" : [
        "SerialSwift"
      ],
      "sources" : [
        "BaudRate.swift",
        "Events/SerialPortClosedEvent.swift",
        "Events/SerialPortDataReceivedEvent.swift",
        "Events/SerialPortErrorEvent.swift",
        "Events/SerialPortOpenedEvent.swift",
        "Events/SerialPortRemovedEvent.swift",
        "Observables/SerialObserver.swift",
        "Serial.swift",
        "Serialable.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.6"
}
{
  "workspace" : {
    "name" : "spi-builder-workspace",
    "schemes" : [
      "SerialSwift"
    ]
  }
}
2026-04-13 04:40:25.847 xcodebuild[798:4437] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-26.4.0.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme SerialSwift -destination generic/platform=tvOS
Command line invocation:
    /Applications/Xcode-26.4.0.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 SerialSwift -destination generic/platform=tvOS
Resolve Package Graph
Resolve Package Graph
Resolved source packages:
  ThreadSafeSwift: https://github.com/Flowduino/ThreadSafeSwift.git @ 1.1.0
  Observable: https://github.com/Flowduino/Observable.git @ 2.0.0
  SerialSwift: /Users/admin/builder/spi-builder-workspace
  EventDrivenSwift: https://github.com/Flowduino/EventDrivenSwift.git @ 5.2.0
  ORSSerialPort: https://github.com/armadsen/ORSSerialPort.git @ 2.1.0
ComputePackagePrebuildTargetDependencyGraph
Prepare packages
CreateBuildRequest
SendProjectDescription
CreateBuildOperation
ComputeTargetDependencyGraph
note: Building targets in dependency order
note: Target dependency graph (10 targets)
    Target 'SerialSwift' in project 'SerialSwift'
        ➜ Explicit dependency on target 'SerialSwift' in project 'SerialSwift'
        ➜ Explicit dependency on target 'ThreadSafeSwift' in project 'ThreadSafeSwift'
        ➜ Explicit dependency on target 'Observable' in project 'Observable'
        ➜ Explicit dependency on target 'EventDrivenSwift' in project 'EventDrivenSwift'
        ➜ Explicit dependency on target 'ORSSerial' in project 'ORSSerialPort'
    Target 'SerialSwift' in project 'SerialSwift'
        ➜ Explicit dependency on target 'ThreadSafeSwift' in project 'ThreadSafeSwift'
        ➜ Explicit dependency on target 'Observable' in project 'Observable'
        ➜ Explicit dependency on target 'EventDrivenSwift' in project 'EventDrivenSwift'
        ➜ Explicit dependency on target 'ORSSerial' in project 'ORSSerialPort'
    Target 'ORSSerial' in project 'ORSSerialPort'
        ➜ Explicit dependency on target 'ORSSerial' in project 'ORSSerialPort'
    Target 'ORSSerial' in project 'ORSSerialPort' (no dependencies)
    Target 'EventDrivenSwift' in project 'EventDrivenSwift'
        ➜ Explicit dependency on target 'EventDrivenSwift' in project 'EventDrivenSwift'
        ➜ Explicit dependency on target 'ThreadSafeSwift' in project 'ThreadSafeSwift'
        ➜ Explicit dependency on target 'Observable' in project 'Observable'
    Target 'EventDrivenSwift' in project 'EventDrivenSwift'
        ➜ Explicit dependency on target 'ThreadSafeSwift' in project 'ThreadSafeSwift'
        ➜ Explicit dependency on target 'Observable' in project 'Observable'
    Target 'Observable' in project 'Observable'
        ➜ Explicit dependency on target 'Observable' in project 'Observable'
        ➜ Explicit dependency on target 'ThreadSafeSwift' in project 'ThreadSafeSwift'
    Target 'Observable' in project 'Observable'
        ➜ Explicit dependency on target 'ThreadSafeSwift' in project 'ThreadSafeSwift'
    Target 'ThreadSafeSwift' in project 'ThreadSafeSwift'
        ➜ Explicit dependency on target 'ThreadSafeSwift' in project 'ThreadSafeSwift'
    Target 'ThreadSafeSwift' in project 'ThreadSafeSwift' (no dependencies)
GatherProvisioningInputs
CreateBuildDescription
ExecuteExternalTool /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swiftc --version
ExecuteExternalTool /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -v -E -dM -arch arm64 -isysroot /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/AppleTVOS.platform/Developer/SDKs/AppleTVOS26.4.sdk -x objective-c -c /dev/null
ExecuteExternalTool /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -v -E -dM -isysroot /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/AppleTVOS.platform/Developer/SDKs/AppleTVOS26.4.sdk -x c -c /dev/null
ExecuteExternalTool /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -v -E -dM -arch arm64 -isysroot /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/AppleTVOS.platform/Developer/SDKs/AppleTVOS26.4.sdk -x c -c /dev/null
ExecuteExternalTool /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/ld -version_details
Build description signature: ed31118262e51a96ddc7d2dba35cf28c
Build description path: /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/XCBuildData/ed31118262e51a96ddc7d2dba35cf28c.xcbuilddata
error: The package product 'Observable' requires minimum platform version 13.0 for the tvOS platform, but this target supports 12.0 (in target 'SerialSwift' from project 'SerialSwift')
error: The package product 'EventDrivenSwift' requires minimum platform version 13.0 for the tvOS platform, but this target supports 12.0 (in target 'SerialSwift' from project 'SerialSwift')
2026-04-13 04:40:28.932 xcodebuild[802:4490] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
** BUILD FAILED **
The following build commands failed:
	Building workspace spi-builder-workspace with scheme SerialSwift
(1 failure)
Command line invocation:
    /Applications/Xcode-26.4.0.app/Contents/Developer/usr/bin/xcodebuild -IDEClonedSourcePackagesDirPathOverride=/Users/admin/builder/spi-builder-workspace/.dependencies -resolvePackageDependencies
Resolve Package Graph
Resolved source packages:
  ORSSerialPort: https://github.com/armadsen/ORSSerialPort.git @ 2.1.0
  SerialSwift: /Users/admin/builder/spi-builder-workspace
  Observable: https://github.com/Flowduino/Observable.git @ 2.0.0
  ThreadSafeSwift: https://github.com/Flowduino/ThreadSafeSwift.git @ 1.1.0
  EventDrivenSwift: https://github.com/Flowduino/EventDrivenSwift.git @ 5.2.0
resolved source packages: ORSSerialPort, SerialSwift, Observable, ThreadSafeSwift, EventDrivenSwift
2026-04-13 04:40:31.023 xcodebuild[853:4770] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
{
  "dependencies" : [
    {
      "identity" : "threadsafeswift",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "1.1.0",
            "upper_bound" : "2.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/Flowduino/ThreadSafeSwift.git"
    },
    {
      "identity" : "observable",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "2.0.0",
            "upper_bound" : "3.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/Flowduino/Observable.git"
    },
    {
      "identity" : "eventdrivenswift",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "5.0.0",
            "upper_bound" : "6.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/Flowduino/EventDrivenSwift.git"
    },
    {
      "identity" : "orsserialport",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "2.1.0",
            "upper_bound" : "3.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/armadsen/ORSSerialPort.git"
    }
  ],
  "manifest_display_name" : "SerialSwift",
  "name" : "SerialSwift",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "macos",
      "version" : "10.15"
    }
  ],
  "products" : [
    {
      "name" : "SerialSwift",
      "targets" : [
        "SerialSwift"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "SerialSwiftTests",
      "module_type" : "SwiftTarget",
      "name" : "SerialSwiftTests",
      "path" : "Tests/SerialSwiftTests",
      "product_dependencies" : [
        "ThreadSafeSwift",
        "Observable",
        "EventDrivenSwift",
        "ORSSerial"
      ],
      "sources" : [
        "SerialTests.swift"
      ],
      "target_dependencies" : [
        "SerialSwift"
      ],
      "type" : "test"
    },
    {
      "c99name" : "SerialSwift",
      "module_type" : "SwiftTarget",
      "name" : "SerialSwift",
      "path" : "Sources/SerialSwift",
      "product_dependencies" : [
        "ThreadSafeSwift",
        "Observable",
        "EventDrivenSwift",
        "ORSSerial"
      ],
      "product_memberships" : [
        "SerialSwift"
      ],
      "sources" : [
        "BaudRate.swift",
        "Events/SerialPortClosedEvent.swift",
        "Events/SerialPortDataReceivedEvent.swift",
        "Events/SerialPortErrorEvent.swift",
        "Events/SerialPortOpenedEvent.swift",
        "Events/SerialPortRemovedEvent.swift",
        "Observables/SerialObserver.swift",
        "Serial.swift",
        "Serialable.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.6"
}
{
  "workspace" : {
    "name" : "spi-builder-workspace",
    "schemes" : [
      "SerialSwift"
    ]
  }
}
2026-04-13 04:40:32.227 xcodebuild[862:4831] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-26.4.0.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme SerialSwift -destination generic/platform=tvOS
Command line invocation:
    /Applications/Xcode-26.4.0.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 SerialSwift -destination generic/platform=tvOS
Resolve Package Graph
Resolved source packages:
  Observable: https://github.com/Flowduino/Observable.git @ 2.0.0
  SerialSwift: /Users/admin/builder/spi-builder-workspace
  EventDrivenSwift: https://github.com/Flowduino/EventDrivenSwift.git @ 5.2.0
  ORSSerialPort: https://github.com/armadsen/ORSSerialPort.git @ 2.1.0
  ThreadSafeSwift: https://github.com/Flowduino/ThreadSafeSwift.git @ 1.1.0
ComputePackagePrebuildTargetDependencyGraph
Prepare packages
CreateBuildRequest
SendProjectDescription
CreateBuildOperation
ComputeTargetDependencyGraph
note: Building targets in dependency order
note: Target dependency graph (10 targets)
    Target 'SerialSwift' in project 'SerialSwift'
        ➜ Explicit dependency on target 'SerialSwift' in project 'SerialSwift'
        ➜ Explicit dependency on target 'ThreadSafeSwift' in project 'ThreadSafeSwift'
        ➜ Explicit dependency on target 'Observable' in project 'Observable'
        ➜ Explicit dependency on target 'EventDrivenSwift' in project 'EventDrivenSwift'
        ➜ Explicit dependency on target 'ORSSerial' in project 'ORSSerialPort'
    Target 'SerialSwift' in project 'SerialSwift'
        ➜ Explicit dependency on target 'ThreadSafeSwift' in project 'ThreadSafeSwift'
        ➜ Explicit dependency on target 'Observable' in project 'Observable'
        ➜ Explicit dependency on target 'EventDrivenSwift' in project 'EventDrivenSwift'
        ➜ Explicit dependency on target 'ORSSerial' in project 'ORSSerialPort'
    Target 'ORSSerial' in project 'ORSSerialPort'
        ➜ Explicit dependency on target 'ORSSerial' in project 'ORSSerialPort'
    Target 'ORSSerial' in project 'ORSSerialPort' (no dependencies)
    Target 'EventDrivenSwift' in project 'EventDrivenSwift'
        ➜ Explicit dependency on target 'EventDrivenSwift' in project 'EventDrivenSwift'
        ➜ Explicit dependency on target 'ThreadSafeSwift' in project 'ThreadSafeSwift'
        ➜ Explicit dependency on target 'Observable' in project 'Observable'
    Target 'EventDrivenSwift' in project 'EventDrivenSwift'
        ➜ Explicit dependency on target 'ThreadSafeSwift' in project 'ThreadSafeSwift'
        ➜ Explicit dependency on target 'Observable' in project 'Observable'
    Target 'Observable' in project 'Observable'
        ➜ Explicit dependency on target 'Observable' in project 'Observable'
        ➜ Explicit dependency on target 'ThreadSafeSwift' in project 'ThreadSafeSwift'
    Target 'Observable' in project 'Observable'
        ➜ Explicit dependency on target 'ThreadSafeSwift' in project 'ThreadSafeSwift'
    Target 'ThreadSafeSwift' in project 'ThreadSafeSwift'
        ➜ Explicit dependency on target 'ThreadSafeSwift' in project 'ThreadSafeSwift'
    Target 'ThreadSafeSwift' in project 'ThreadSafeSwift' (no dependencies)
GatherProvisioningInputs
CreateBuildDescription
ExecuteExternalTool /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swiftc --version
ExecuteExternalTool /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -v -E -dM -arch arm64 -isysroot /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/AppleTVOS.platform/Developer/SDKs/AppleTVOS26.4.sdk -x objective-c -c /dev/null
ExecuteExternalTool /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -v -E -dM -isysroot /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/AppleTVOS.platform/Developer/SDKs/AppleTVOS26.4.sdk -x c -c /dev/null
ExecuteExternalTool /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -v -E -dM -arch arm64 -isysroot /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/AppleTVOS.platform/Developer/SDKs/AppleTVOS26.4.sdk -x c -c /dev/null
ExecuteExternalTool /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/ld -version_details
Build description signature: ed31118262e51a96ddc7d2dba35cf28c
Build description path: /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/XCBuildData/ed31118262e51a96ddc7d2dba35cf28c.xcbuilddata
error: The package product 'Observable' requires minimum platform version 13.0 for the tvOS platform, but this target supports 12.0 (in target 'SerialSwift' from project 'SerialSwift')
error: The package product 'EventDrivenSwift' requires minimum platform version 13.0 for the tvOS platform, but this target supports 12.0 (in target 'SerialSwift' from project 'SerialSwift')
2026-04-13 04:40:33.243 xcodebuild[864:4861] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
** BUILD FAILED **
The following build commands failed:
	Building workspace spi-builder-workspace with scheme SerialSwift
(1 failure)
BUILD FAILURE 6.3 tvOS