Build Information
Failed to build GhostTypewriter, reference main (479f5c), with Swift 6.4 for macOS (Xcode) using Xcode 27.0 on 18 Sep 2026 13:25:56 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 GhostTypewriter -destination platform=macOS,arch=arm64Build Log
========================================
RunAll
========================================
Builder version: 5.1.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/wibosco/GhostTypewriter.git
Reference: main
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/wibosco/GhostTypewriter
* branch main -> FETCH_HEAD
* [new branch] main -> origin/main
HEAD is now at 479f5c3 Update README.md
Cloned https://github.com/wibosco/GhostTypewriter.git
Revision (git rev-parse @):
479f5c30f343a1ea1adb4befd762f11116ae1b48
SUCCESS checkout https://github.com/wibosco/GhostTypewriter.git at main
========================================
Build
========================================
Selected platform: macosXcodebuild
Swift version: 6.4
Building package at path: $PWD
https://github.com/wibosco/GhostTypewriter.git
Command line invocation:
/Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/usr/bin/xcodebuild -IDEClonedSourcePackagesDirPathOverride=/Users/admin/builder/spi-builder-workspace/.dependencies -resolvePackageDependencies
resolved source packages:
{
"dependencies" : [
],
"manifest_display_name" : "GhostTypewriter",
"name" : "GhostTypewriter",
"path" : "/Users/admin/builder/spi-builder-workspace",
"platforms" : [
{
"name" : "ios",
"version" : "10.0"
}
],
"products" : [
{
"name" : "GhostTypewriter",
"targets" : [
"GhostTypewriter"
],
"type" : {
"library" : [
"automatic"
]
}
}
],
"targets" : [
{
"c99name" : "GhostTypewriterTests",
"module_type" : "SwiftTarget",
"name" : "GhostTypewriterTests",
"path" : "GhostTypewriterTests",
"sources" : [
"Mocks/MockTimer.swift",
"Mocks/MockTimerFactory.swift",
"Tests/TypewriterLabelTests.swift"
],
"target_dependencies" : [
"GhostTypewriter"
],
"type" : "test"
},
{
"c99name" : "GhostTypewriter",
"module_type" : "SwiftTarget",
"name" : "GhostTypewriter",
"path" : "GhostTypewriter",
"product_memberships" : [
"GhostTypewriter"
],
"sources" : [
"Label/Timer/TimerFactory.swift",
"Label/TypewriterLabel.swift"
],
"type" : "library"
}
],
"tools_version" : "5.0"
}
{
"project" : {
"configurations" : [
"Debug",
"Release"
],
"name" : "GhostTypewriter",
"schemes" : [
"GhostTypewriter"
],
"targets" : [
"GhostTypewriter",
"GhostTypeWriterTests"
]
}
}
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-27.0.0-Release.Candidate.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme GhostTypewriter -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 GhostTypewriter -destination platform=macOS,arch=arm64
ComputePackagePrebuildTargetDependencyGraph
Prepare packages
CreateBuildRequest
SendProjectDescription
CreateBuildOperation
ComputeTargetDependencyGraph
note: Building targets in dependency order
note: Target dependency graph (1 target)
Target 'GhostTypewriter' in project 'GhostTypewriter' (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/clang -v -E -dM -arch arm64 -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: b5508a0c5f15b2331e672e880232a509
Build description path: /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/XCBuildData/b5508a0c5f15b2331e672e880232a509.xcbuilddata
/Users/admin/builder/spi-builder-workspace/GhostTypewriter.xcodeproj: error: The macOS deployment target 'MACOSX_DEPLOYMENT_TARGET' is set to 10.15, but the range of supported deployment target versions is 12.0 to 27.0.x. (in target 'GhostTypewriter' from project 'GhostTypewriter')
--- xcodebuild: WARNING: Using the first of multiple matching destinations:
{ platform:macOS, arch:arm64, variant:Mac Catalyst, id:bffc1d0691b538632d43d2c0ccd34f172e85ab37, name:My Mac }
{ platform:macOS, arch:arm64, variant:Designed for [iPad,iPhone], id:bffc1d0691b538632d43d2c0ccd34f172e85ab37, name:My Mac }
** BUILD FAILED **
The following build commands failed:
Building project GhostTypewriter with scheme GhostTypewriter
(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" : "GhostTypewriter",
"name" : "GhostTypewriter",
"path" : "/Users/admin/builder/spi-builder-workspace",
"platforms" : [
{
"name" : "ios",
"version" : "10.0"
}
],
"products" : [
{
"name" : "GhostTypewriter",
"targets" : [
"GhostTypewriter"
],
"type" : {
"library" : [
"automatic"
]
}
}
],
"targets" : [
{
"c99name" : "GhostTypewriterTests",
"module_type" : "SwiftTarget",
"name" : "GhostTypewriterTests",
"path" : "GhostTypewriterTests",
"sources" : [
"Mocks/MockTimer.swift",
"Mocks/MockTimerFactory.swift",
"Tests/TypewriterLabelTests.swift"
],
"target_dependencies" : [
"GhostTypewriter"
],
"type" : "test"
},
{
"c99name" : "GhostTypewriter",
"module_type" : "SwiftTarget",
"name" : "GhostTypewriter",
"path" : "GhostTypewriter",
"product_memberships" : [
"GhostTypewriter"
],
"sources" : [
"Label/Timer/TimerFactory.swift",
"Label/TypewriterLabel.swift"
],
"type" : "library"
}
],
"tools_version" : "5.0"
}
{
"project" : {
"configurations" : [
"Debug",
"Release"
],
"name" : "GhostTypewriter",
"schemes" : [
"GhostTypewriter"
],
"targets" : [
"GhostTypewriter",
"GhostTypeWriterTests"
]
}
}
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 GhostTypewriter -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 GhostTypewriter -destination platform=macOS,arch=arm64
ComputePackagePrebuildTargetDependencyGraph
Prepare packages
CreateBuildRequest
SendProjectDescription
CreateBuildOperation
ComputeTargetDependencyGraph
note: Building targets in dependency order
note: Target dependency graph (1 target)
Target 'GhostTypewriter' in project 'GhostTypewriter' (no dependencies)
GatherProvisioningInputs
CreateBuildDescription
/Users/admin/builder/spi-builder-workspace/GhostTypewriter.xcodeproj: error: The macOS deployment target 'MACOSX_DEPLOYMENT_TARGET' is set to 10.15, but the range of supported deployment target versions is 12.0 to 27.0.x. (in target 'GhostTypewriter' from project 'GhostTypewriter')
--- xcodebuild: WARNING: Using the first of multiple matching destinations:
{ platform:macOS, arch:arm64, variant:Mac Catalyst, id:bffc1d0691b538632d43d2c0ccd34f172e85ab37, name:My Mac }
{ platform:macOS, arch:arm64, variant:Designed for [iPad,iPhone], id:bffc1d0691b538632d43d2c0ccd34f172e85ab37, name:My Mac }
** BUILD FAILED **
The following build commands failed:
Building project GhostTypewriter with scheme GhostTypewriter
(1 failure)
BUILD FAILURE 6.4 macosXcodebuild