The Swift Package Index logo.Swift Package Index

Has it really been five years since Swift Package Index launched? Read our anniversary blog post!

Build Information

Failed to build SerialSwift, reference main (a66344), with Swift 6.1 for tvOS using Xcode 16.3 on 27 Apr 2025 03:48:01 UTC.

Build Command

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

Build Log

========================================
RunAll
========================================
Builder version: 4.61.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/Flowduino/SerialSwift.git
Reference: main
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/Flowduino/SerialSwift
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at a663441 Create FUNDING.yml
Cloned https://github.com/Flowduino/SerialSwift.git
Revision (git rev-parse @):
a663441be77f80ead749d88fc92ae62554da5a9d
SUCCESS checkout https://github.com/Flowduino/SerialSwift.git at main
========================================
Build
========================================
Selected platform:         tvOS
Swift version:             6.1
Building package at path:  $PWD
https://github.com/Flowduino/SerialSwift.git
https://github.com/Flowduino/SerialSwift.git
{
  "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"
}
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
Fetching from https://github.com/armadsen/ORSSerialPort.git
Fetching from https://github.com/Flowduino/Observable.git
Fetching from https://github.com/Flowduino/ThreadSafeSwift.git
Fetching from https://github.com/Flowduino/EventDrivenSwift.git
Creating working copy of package ‘EventDrivenSwift’
Checking out 5.2.0 of package ‘EventDrivenSwift’
Creating working copy of package ‘ThreadSafeSwift’
Checking out 1.1.0 of package ‘ThreadSafeSwift’
Creating working copy of package ‘Observable’
Checking out 2.0.0 of package ‘Observable’
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
  ThreadSafeSwift: https://github.com/Flowduino/ThreadSafeSwift.git @ 1.1.0
  SerialSwift: /Users/admin/builder/spi-builder-workspace
  ORSSerialPort: https://github.com/armadsen/ORSSerialPort.git @ 2.1.0
  Observable: https://github.com/Flowduino/Observable.git @ 2.0.0
resolved source packages: EventDrivenSwift, ThreadSafeSwift, SerialSwift, ORSSerialPort, Observable
{
  "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"
    ]
  }
}
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-16.3.0.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme SerialSwift -destination generic/platform=tvOS 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 SerialSwift -destination generic/platform=tvOS "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
Resolve Package Graph
Resolved source packages:
  EventDrivenSwift: https://github.com/Flowduino/EventDrivenSwift.git @ 5.2.0
  ThreadSafeSwift: https://github.com/Flowduino/ThreadSafeSwift.git @ 1.1.0
  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
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-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/clang -v -E -dM -arch arm64 -isysroot /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/AppleTVOS.platform/Developer/SDKs/AppleTVOS18.4.sdk -x objective-c -c /dev/null
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/AppleTVOS.platform/Developer/SDKs/AppleTVOS18.4.sdk -x c -c /dev/null
ExecuteExternalTool /Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/ld -version_details
ExecuteExternalTool /Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -v -E -dM -arch arm64 -isysroot /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/AppleTVOS.platform/Developer/SDKs/AppleTVOS18.4.sdk -x c -c /dev/null
Build description signature: 3962d8cc53bfb3437cc04d2c429bf19d
Build description path: /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/XCBuildData/3962d8cc53bfb3437cc04d2c429bf19d.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')
** BUILD FAILED **
The following build commands failed:
	Building workspace spi-builder-workspace with scheme SerialSwift
(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:
  EventDrivenSwift: https://github.com/Flowduino/EventDrivenSwift.git @ 5.2.0
  Observable: https://github.com/Flowduino/Observable.git @ 2.0.0
  ThreadSafeSwift: https://github.com/Flowduino/ThreadSafeSwift.git @ 1.1.0
  SerialSwift: /Users/admin/builder/spi-builder-workspace
  ORSSerialPort: https://github.com/armadsen/ORSSerialPort.git @ 2.1.0
resolved source packages: EventDrivenSwift, Observable, ThreadSafeSwift, SerialSwift, ORSSerialPort
{
  "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"
    ]
  }
}
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-16.3.0.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme SerialSwift -destination generic/platform=tvOS
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 SerialSwift -destination generic/platform=tvOS
Resolve Package Graph
Resolved source packages:
  ThreadSafeSwift: https://github.com/Flowduino/ThreadSafeSwift.git @ 1.1.0
  ORSSerialPort: https://github.com/armadsen/ORSSerialPort.git @ 2.1.0
  Observable: https://github.com/Flowduino/Observable.git @ 2.0.0
  EventDrivenSwift: https://github.com/Flowduino/EventDrivenSwift.git @ 5.2.0
  SerialSwift: /Users/admin/builder/spi-builder-workspace
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-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/clang -v -E -dM -arch arm64 -isysroot /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/AppleTVOS.platform/Developer/SDKs/AppleTVOS18.4.sdk -x objective-c -c /dev/null
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/AppleTVOS.platform/Developer/SDKs/AppleTVOS18.4.sdk -x c -c /dev/null
ExecuteExternalTool /Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/ld -version_details
ExecuteExternalTool /Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -v -E -dM -arch arm64 -isysroot /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/AppleTVOS.platform/Developer/SDKs/AppleTVOS18.4.sdk -x c -c /dev/null
Build description signature: d7b35162a49a0c913294bb7dbafb4000
Build description path: /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/XCBuildData/d7b35162a49a0c913294bb7dbafb4000.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')
** BUILD FAILED **
The following build commands failed:
	Building workspace spi-builder-workspace with scheme SerialSwift
(1 failure)
BUILD FAILURE 6.1 tvOS