Build Information
Failed to build Palette, reference 1.2.1 (5afad2), with Swift 6.4 for macOS (Xcode) using Xcode 27.0 on 18 Sep 2026 22:49:02 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 TypographyKitPalette -destination platform=macOS,arch=arm64Build Log
========================================
RunAll
========================================
Builder version: 5.1.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/rwbutler/typographykitpalette.git
Reference: 1.2.1
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/rwbutler/typographykitpalette
* tag 1.2.1 -> FETCH_HEAD
HEAD is now at 5afad29 Release 1.2.1
Cloned https://github.com/rwbutler/typographykitpalette.git
Revision (git rev-parse @):
5afad29f0589f8759b0effc34eeca133fa2aea28
SUCCESS checkout https://github.com/rwbutler/typographykitpalette.git at 1.2.1
========================================
Build
========================================
Selected platform: macosXcodebuild
Swift version: 6.4
Building package at path: $PWD
https://github.com/rwbutler/typographykitpalette.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
Resolve Package Graph
Fetching from https://github.com/rwbutler/lettercase
Creating working copy of package ‘lettercase’
Checking out 1.2.0 of package ‘lettercase’
Resolved source packages:
LetterCase: https://github.com/rwbutler/lettercase @ 1.2.0
resolved source packages: LetterCase
{
"dependencies" : [
{
"identity" : "lettercase",
"requirement" : {
"range" : [
{
"lower_bound" : "1.6.1",
"upper_bound" : "2.0.0"
}
]
},
"type" : "sourceControl",
"url" : "https://github.com/rwbutler/LetterCase.git"
}
],
"manifest_display_name" : "Palette",
"name" : "Palette",
"path" : "/Users/admin/builder/spi-builder-workspace",
"platforms" : [
{
"name" : "macos",
"version" : "10.13"
}
],
"products" : [
{
"name" : "Palette",
"targets" : [
"TypographyKitPalette"
],
"type" : {
"executable" : null
}
}
],
"targets" : [
{
"c99name" : "TypographyKitPalette",
"module_type" : "SwiftTarget",
"name" : "TypographyKitPalette",
"path" : "TypographyKitPalette",
"product_dependencies" : [
"LetterCase"
],
"product_memberships" : [
"Palette"
],
"sources" : [
"Extensions/NSColorAdditions.swift",
"Extensions/RegularExpressionMatchable.swift",
"Extensions/String+RegularExpressionMatchable.swift",
"Services/Command Line/Implementation/CommandLineProcessor.swift",
"Services/Command Line/Model/CommandLineArgument.swift",
"Services/Command Line/Model/ConfigurationType.swift",
"Services/Command Line/Model/TypographyKit.swift",
"Services/Export/ExportingService.swift",
"Services/Export/Implementation/AssetCatalogExportingService.swift",
"Services/Export/Implementation/CatalogColor.swift",
"Services/Export/Implementation/ColorPaletteExportingService.swift",
"Services/Parsing/Implementation/ColorParser.swift",
"Services/Parsing/Implementation/JSONParsingService.swift",
"Services/Parsing/Implementation/PropertyListParsingService.swift",
"Services/Parsing/Model/ParsingServiceResult.swift",
"Services/Parsing/Model/TypographyColor.swift",
"Services/Parsing/Model/TypographyInterfaceStyle.swift",
"Services/Parsing/ParsingError.swift",
"Services/Parsing/ParsingService.swift",
"Shared/main.swift"
],
"type" : "executable"
}
],
"tools_version" : "5.0"
}
{
"project" : {
"configurations" : [
"Debug",
"Release"
],
"name" : "TypographyKitPalette",
"schemes" : [
"TypographyKitPalette"
],
"targets" : [
"palette"
]
}
}
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 TypographyKitPalette -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 TypographyKitPalette -destination platform=macOS,arch=arm64
Resolve Package Graph
Resolved source packages:
LetterCase: https://github.com/rwbutler/lettercase @ 1.2.0
ComputePackagePrebuildTargetDependencyGraph
Prepare packages
CreateBuildRequest
SendProjectDescription
CreateBuildOperation
ComputeTargetDependencyGraph
note: Building targets in dependency order
note: Target dependency graph (3 targets)
Target 'palette' in project 'TypographyKitPalette'
➜ Explicit dependency on target 'LetterCase-product' in project 'LetterCase'
Target 'LetterCase-product' in project 'LetterCase'
➜ Explicit dependency on target 'LetterCase' in project 'LetterCase'
Target 'LetterCase' in project 'LetterCase' (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/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/swiftc --version
ExecuteExternalTool /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/ld -version_details
Build description signature: 76742c5deb348858b2c2ece57d80c37e
Build description path: /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/XCBuildData/76742c5deb348858b2c2ece57d80c37e.xcbuilddata
/Users/admin/builder/spi-builder-workspace/TypographyKitPalette.xcodeproj: error: The macOS deployment target 'MACOSX_DEPLOYMENT_TARGET' is set to 10.13, but the range of supported deployment target versions is 12.0 to 27.0.x. (in target 'palette' from project 'TypographyKitPalette')
warning: Run script build phase 'SwiftLint' will be run during every build because it does not specify any outputs. To address this issue, either add output dependencies to the script phase, or configure it to run in every build by unchecking "Based on dependency analysis" in the script phase. (in target 'palette' from project 'TypographyKitPalette')
** BUILD FAILED **
The following build commands failed:
Building project TypographyKitPalette with scheme TypographyKitPalette
(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
Resolve Package Graph
Resolved source packages:
LetterCase: https://github.com/rwbutler/lettercase @ 1.2.0
resolved source packages: LetterCase
{
"dependencies" : [
{
"identity" : "lettercase",
"requirement" : {
"range" : [
{
"lower_bound" : "1.6.1",
"upper_bound" : "2.0.0"
}
]
},
"type" : "sourceControl",
"url" : "https://github.com/rwbutler/LetterCase.git"
}
],
"manifest_display_name" : "Palette",
"name" : "Palette",
"path" : "/Users/admin/builder/spi-builder-workspace",
"platforms" : [
{
"name" : "macos",
"version" : "10.13"
}
],
"products" : [
{
"name" : "Palette",
"targets" : [
"TypographyKitPalette"
],
"type" : {
"executable" : null
}
}
],
"targets" : [
{
"c99name" : "TypographyKitPalette",
"module_type" : "SwiftTarget",
"name" : "TypographyKitPalette",
"path" : "TypographyKitPalette",
"product_dependencies" : [
"LetterCase"
],
"product_memberships" : [
"Palette"
],
"sources" : [
"Extensions/NSColorAdditions.swift",
"Extensions/RegularExpressionMatchable.swift",
"Extensions/String+RegularExpressionMatchable.swift",
"Services/Command Line/Implementation/CommandLineProcessor.swift",
"Services/Command Line/Model/CommandLineArgument.swift",
"Services/Command Line/Model/ConfigurationType.swift",
"Services/Command Line/Model/TypographyKit.swift",
"Services/Export/ExportingService.swift",
"Services/Export/Implementation/AssetCatalogExportingService.swift",
"Services/Export/Implementation/CatalogColor.swift",
"Services/Export/Implementation/ColorPaletteExportingService.swift",
"Services/Parsing/Implementation/ColorParser.swift",
"Services/Parsing/Implementation/JSONParsingService.swift",
"Services/Parsing/Implementation/PropertyListParsingService.swift",
"Services/Parsing/Model/ParsingServiceResult.swift",
"Services/Parsing/Model/TypographyColor.swift",
"Services/Parsing/Model/TypographyInterfaceStyle.swift",
"Services/Parsing/ParsingError.swift",
"Services/Parsing/ParsingService.swift",
"Shared/main.swift"
],
"type" : "executable"
}
],
"tools_version" : "5.0"
}
{
"project" : {
"configurations" : [
"Debug",
"Release"
],
"name" : "TypographyKitPalette",
"schemes" : [
"TypographyKitPalette"
],
"targets" : [
"palette"
]
}
}
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 TypographyKitPalette -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 TypographyKitPalette -destination platform=macOS,arch=arm64
Resolve Package Graph
Resolved source packages:
LetterCase: https://github.com/rwbutler/lettercase @ 1.2.0
ComputePackagePrebuildTargetDependencyGraph
Prepare packages
CreateBuildRequest
SendProjectDescription
CreateBuildOperation
ComputeTargetDependencyGraph
note: Building targets in dependency order
note: Target dependency graph (3 targets)
Target 'palette' in project 'TypographyKitPalette'
➜ Explicit dependency on target 'LetterCase-product' in project 'LetterCase'
Target 'LetterCase-product' in project 'LetterCase'
➜ Explicit dependency on target 'LetterCase' in project 'LetterCase'
Target 'LetterCase' in project 'LetterCase' (no dependencies)
GatherProvisioningInputs
CreateBuildDescription
/Users/admin/builder/spi-builder-workspace/TypographyKitPalette.xcodeproj: error: The macOS deployment target 'MACOSX_DEPLOYMENT_TARGET' is set to 10.13, but the range of supported deployment target versions is 12.0 to 27.0.x. (in target 'palette' from project 'TypographyKitPalette')
warning: Run script build phase 'SwiftLint' will be run during every build because it does not specify any outputs. To address this issue, either add output dependencies to the script phase, or configure it to run in every build by unchecking "Based on dependency analysis" in the script phase. (in target 'palette' from project 'TypographyKitPalette')
** BUILD FAILED **
The following build commands failed:
Building project TypographyKitPalette with scheme TypographyKitPalette
(1 failure)
BUILD FAILURE 6.4 macosXcodebuild