Build Information
Failed to build RomanNumeralKit, reference mainline (8a5bd8), with Swift 6.4 for tvOS using Xcode 27.0 on 17 Sep 2026 18:30:39 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 RomanNumeralKit -destination generic/platform=tvOSBuild Log
========================================
RunAll
========================================
Builder version: 5.1.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/kylehughes/RomanNumeralKit.git
Reference: mainline
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/kylehughes/RomanNumeralKit
* branch mainline -> FETCH_HEAD
* [new branch] mainline -> origin/mainline
HEAD is now at 8a5bd84 Remove framework Twitter account from top of README
Cloned https://github.com/kylehughes/RomanNumeralKit.git
Revision (git rev-parse @):
8a5bd84f5d70e73df81a00b04a13558bb8f43904
SUCCESS checkout https://github.com/kylehughes/RomanNumeralKit.git at mainline
========================================
Build
========================================
Selected platform: tvOS
Swift version: 6.4
Building package at path: $PWD
https://github.com/kylehughes/RomanNumeralKit.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" : [
],
"manifest_display_name" : "RomanNumeralKit",
"name" : "RomanNumeralKit",
"path" : "/Users/admin/builder/spi-builder-workspace",
"platforms" : [
{
"name" : "macos",
"version" : "10.12"
},
{
"name" : "ios",
"version" : "10.0"
},
{
"name" : "tvos",
"version" : "10.0"
},
{
"name" : "watchos",
"version" : "3.0"
}
],
"products" : [
{
"name" : "RomanNumeralKit",
"targets" : [
"RomanNumeralKit"
],
"type" : {
"library" : [
"automatic"
]
}
}
],
"swift_languages_versions" : [
"5"
],
"targets" : [
{
"c99name" : "RomanNumeralKitTests",
"module_type" : "SwiftTarget",
"name" : "RomanNumeralKitTests",
"path" : "Tests/RomanNumeralKitTests",
"sources" : [
"Extensions/Foundation/CalendarTests+RomanNumeral.swift",
"Extensions/Foundation/DateComponentsTests+RomanNumeral.swift",
"Extensions/Foundation/IntTests+RomanNumeral.swift",
"Extensions/Foundation/StringTests+RomanNumeral.swift",
"Numeric System/Additive Notation/AdditiveRomanNumeralTests.swift",
"Numeric System/RomanNumeralArithmeticErrorTests.swift",
"Numeric System/RomanNumeralErrorTests.swift",
"Numeric System/RomanNumeralSymbolErrorTests.swift",
"Numeric System/RomanNumeralSymbolTests.swift",
"Numeric System/RomanNumeralTallyMarkGroupTests.swift",
"Numeric System/Subtractive Notation/RomanNumeralTests.swift",
"Numeric System/Subtractive Notation/SubtractiveRomanNumeralSymbolTests.swift"
],
"target_dependencies" : [
"RomanNumeralKit"
],
"type" : "test"
},
{
"c99name" : "RomanNumeralKit",
"module_type" : "SwiftTarget",
"name" : "RomanNumeralKit",
"path" : "Sources/RomanNumeralKit",
"product_memberships" : [
"RomanNumeralKit"
],
"sources" : [
"Extensions/Foundation/Calendar+RomanNumeral.swift",
"Extensions/Foundation/DateComponents+RomanNumeral.swift",
"Extensions/Foundation/Int+RomanNumeral.swift",
"Extensions/Foundation/Sequence+Sorting.swift",
"Extensions/Foundation/String+RomanNumeral.swift",
"Numeric System/Additive Notation/AdditiveRomanNumeral.swift",
"Numeric System/Additive Notation/AdditiveRomanNumeralConvertible.swift",
"Numeric System/Additive Notation/AdditiveRomanNumeralSymbolCondenser.swift",
"Numeric System/Additive Notation/AdditiveRomanNumeralSymbolConvertible.swift",
"Numeric System/Additive Notation/AdditiveRomanNumeralSymbolsConvertible.swift",
"Numeric System/RomanNumeralArithmeticError.swift",
"Numeric System/RomanNumeralError.swift",
"Numeric System/RomanNumeralProtocol.swift",
"Numeric System/RomanNumeralSymbol.swift",
"Numeric System/RomanNumeralSymbolConvertible.swift",
"Numeric System/RomanNumeralSymbolError.swift",
"Numeric System/RomanNumeralSymbolProtocol.swift",
"Numeric System/RomanNumeralSymbolsConvertible.swift",
"Numeric System/RomanNumeralTallyMark.swift",
"Numeric System/RomanNumeralTallyMarkGroup.swift",
"Numeric System/RomanNumerals.swift",
"Numeric System/Subtractive Notation/RomanNumeral.swift",
"Numeric System/Subtractive Notation/RomanNumeralConvertible.swift",
"Numeric System/Subtractive Notation/SubtractiveRomanNumeralSymbol.swift",
"Numeric System/Subtractive Notation/SubtractiveRomanNumeralSymbolConvertible.swift",
"Numeric System/Subtractive Notation/SubtractiveRomanNumeralSymbolsConvertible.swift"
],
"type" : "library"
}
],
"tools_version" : "5.3"
}
{
"project" : {
"configurations" : [
"Debug",
"Release"
],
"name" : "RomanNumeralKit",
"schemes" : [
"RomanNumeralKit"
],
"targets" : [
"RomanNumeralKit",
"RomanNumeralKitTests"
]
}
}
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 RomanNumeralKit -destination generic/platform=tvOS
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 RomanNumeralKit -destination generic/platform=tvOS
ComputePackagePrebuildTargetDependencyGraph
Prepare packages
CreateBuildRequest
SendProjectDescription
CreateBuildOperation
ComputeTargetDependencyGraph
note: Building targets in dependency order
note: Target dependency graph (1 target)
Target 'RomanNumeralKit' in project 'RomanNumeralKit' (no dependencies)
GatherProvisioningInputs
CreateBuildDescription
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/AppleTVOS.platform/Developer/SDKs/AppleTVOS27.0.sdk -x c -c /dev/null
ExecuteExternalTool /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -v -E -dM -arch arm64 -isysroot /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/AppleTVOS.platform/Developer/SDKs/AppleTVOS27.0.sdk -x c -c /dev/null
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/ld -version_details
Build description signature: 070a8621578111e4b5fe7f2d99ef5b66
Build description path: /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/XCBuildData/070a8621578111e4b5fe7f2d99ef5b66.xcbuilddata
/Users/admin/builder/spi-builder-workspace/RomanNumeralKit.xcodeproj: error: The tvOS deployment target 'TVOS_DEPLOYMENT_TARGET' is set to 10.0, but the range of supported deployment target versions is 15.0 to 27.0.x. (in target 'RomanNumeralKit' from project 'RomanNumeralKit')
** BUILD FAILED **
The following build commands failed:
Building project RomanNumeralKit with scheme RomanNumeralKit
(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" : [
],
"manifest_display_name" : "RomanNumeralKit",
"name" : "RomanNumeralKit",
"path" : "/Users/admin/builder/spi-builder-workspace",
"platforms" : [
{
"name" : "macos",
"version" : "10.12"
},
{
"name" : "ios",
"version" : "10.0"
},
{
"name" : "tvos",
"version" : "10.0"
},
{
"name" : "watchos",
"version" : "3.0"
}
],
"products" : [
{
"name" : "RomanNumeralKit",
"targets" : [
"RomanNumeralKit"
],
"type" : {
"library" : [
"automatic"
]
}
}
],
"swift_languages_versions" : [
"5"
],
"targets" : [
{
"c99name" : "RomanNumeralKitTests",
"module_type" : "SwiftTarget",
"name" : "RomanNumeralKitTests",
"path" : "Tests/RomanNumeralKitTests",
"sources" : [
"Extensions/Foundation/CalendarTests+RomanNumeral.swift",
"Extensions/Foundation/DateComponentsTests+RomanNumeral.swift",
"Extensions/Foundation/IntTests+RomanNumeral.swift",
"Extensions/Foundation/StringTests+RomanNumeral.swift",
"Numeric System/Additive Notation/AdditiveRomanNumeralTests.swift",
"Numeric System/RomanNumeralArithmeticErrorTests.swift",
"Numeric System/RomanNumeralErrorTests.swift",
"Numeric System/RomanNumeralSymbolErrorTests.swift",
"Numeric System/RomanNumeralSymbolTests.swift",
"Numeric System/RomanNumeralTallyMarkGroupTests.swift",
"Numeric System/Subtractive Notation/RomanNumeralTests.swift",
"Numeric System/Subtractive Notation/SubtractiveRomanNumeralSymbolTests.swift"
],
"target_dependencies" : [
"RomanNumeralKit"
],
"type" : "test"
},
{
"c99name" : "RomanNumeralKit",
"module_type" : "SwiftTarget",
"name" : "RomanNumeralKit",
"path" : "Sources/RomanNumeralKit",
"product_memberships" : [
"RomanNumeralKit"
],
"sources" : [
"Extensions/Foundation/Calendar+RomanNumeral.swift",
"Extensions/Foundation/DateComponents+RomanNumeral.swift",
"Extensions/Foundation/Int+RomanNumeral.swift",
"Extensions/Foundation/Sequence+Sorting.swift",
"Extensions/Foundation/String+RomanNumeral.swift",
"Numeric System/Additive Notation/AdditiveRomanNumeral.swift",
"Numeric System/Additive Notation/AdditiveRomanNumeralConvertible.swift",
"Numeric System/Additive Notation/AdditiveRomanNumeralSymbolCondenser.swift",
"Numeric System/Additive Notation/AdditiveRomanNumeralSymbolConvertible.swift",
"Numeric System/Additive Notation/AdditiveRomanNumeralSymbolsConvertible.swift",
"Numeric System/RomanNumeralArithmeticError.swift",
"Numeric System/RomanNumeralError.swift",
"Numeric System/RomanNumeralProtocol.swift",
"Numeric System/RomanNumeralSymbol.swift",
"Numeric System/RomanNumeralSymbolConvertible.swift",
"Numeric System/RomanNumeralSymbolError.swift",
"Numeric System/RomanNumeralSymbolProtocol.swift",
"Numeric System/RomanNumeralSymbolsConvertible.swift",
"Numeric System/RomanNumeralTallyMark.swift",
"Numeric System/RomanNumeralTallyMarkGroup.swift",
"Numeric System/RomanNumerals.swift",
"Numeric System/Subtractive Notation/RomanNumeral.swift",
"Numeric System/Subtractive Notation/RomanNumeralConvertible.swift",
"Numeric System/Subtractive Notation/SubtractiveRomanNumeralSymbol.swift",
"Numeric System/Subtractive Notation/SubtractiveRomanNumeralSymbolConvertible.swift",
"Numeric System/Subtractive Notation/SubtractiveRomanNumeralSymbolsConvertible.swift"
],
"type" : "library"
}
],
"tools_version" : "5.3"
}
{
"project" : {
"configurations" : [
"Debug",
"Release"
],
"name" : "RomanNumeralKit",
"schemes" : [
"RomanNumeralKit"
],
"targets" : [
"RomanNumeralKit",
"RomanNumeralKitTests"
]
}
}
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 RomanNumeralKit -destination generic/platform=tvOS
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 RomanNumeralKit -destination generic/platform=tvOS
ComputePackagePrebuildTargetDependencyGraph
Prepare packages
CreateBuildRequest
SendProjectDescription
CreateBuildOperation
ComputeTargetDependencyGraph
note: Building targets in dependency order
note: Target dependency graph (1 target)
Target 'RomanNumeralKit' in project 'RomanNumeralKit' (no dependencies)
GatherProvisioningInputs
CreateBuildDescription
/Users/admin/builder/spi-builder-workspace/RomanNumeralKit.xcodeproj: error: The tvOS deployment target 'TVOS_DEPLOYMENT_TARGET' is set to 10.0, but the range of supported deployment target versions is 15.0 to 27.0.x. (in target 'RomanNumeralKit' from project 'RomanNumeralKit')
** BUILD FAILED **
The following build commands failed:
Building project RomanNumeralKit with scheme RomanNumeralKit
(1 failure)
BUILD FAILURE 6.4 tvOS