Build Information
Failed to build SerialSwift, reference main (a66344), with Swift 6.3 for tvOS using Xcode 26.4 on 13 Apr 2026 08:40:30 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=tvOSBuild Log
========================================
RunAll
========================================
Builder version: 4.70.0
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: 6.3
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/EventDrivenSwift.git
Fetching from https://github.com/Flowduino/Observable.git
Fetching from https://github.com/Flowduino/ThreadSafeSwift.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 ‘ORSSerialPort’
Checking out 2.1.0 of package ‘ORSSerialPort’
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’
Resolve Package Graph
Resolved source packages:
SerialSwift: /Users/admin/builder/spi-builder-workspace
ThreadSafeSwift: https://github.com/Flowduino/ThreadSafeSwift.git @ 1.1.0
ORSSerialPort: https://github.com/armadsen/ORSSerialPort.git @ 2.1.0
EventDrivenSwift: https://github.com/Flowduino/EventDrivenSwift.git @ 5.2.0
Observable: https://github.com/Flowduino/Observable.git @ 2.0.0
resolved source packages: SerialSwift, ThreadSafeSwift, ORSSerialPort, EventDrivenSwift, Observable
2026-04-13 04:40:14.119 xcodebuild[529:3065] [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 04:40:21.970 xcodebuild[764:4373] [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:
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
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 04:40:25.193 xcodebuild[768:4429] [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:
EventDrivenSwift: https://github.com/Flowduino/EventDrivenSwift.git @ 5.2.0
Observable: https://github.com/Flowduino/Observable.git @ 2.0.0
ORSSerialPort: https://github.com/armadsen/ORSSerialPort.git @ 2.1.0
ThreadSafeSwift: https://github.com/Flowduino/ThreadSafeSwift.git @ 1.1.0
SerialSwift: /Users/admin/builder/spi-builder-workspace
resolved source packages: EventDrivenSwift, Observable, ORSSerialPort, ThreadSafeSwift, SerialSwift
2026-04-13 04:40:27.425 xcodebuild[819:4708] [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 04:40:28.660 xcodebuild[828:4769] [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:
SerialSwift: /Users/admin/builder/spi-builder-workspace
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
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 04:40:29.781 xcodebuild[831:4812] [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