Build Information
Failed to build Log, reference 1.0.8 (796bd0), with Swift 6.4 for macOS (Xcode) using Xcode 27.0 on 17 Sep 2026 15:07:21 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 Log-Package -destination platform=macOS,arch=arm64Build Log
========================================
RunAll
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Builder version: 5.1.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/brutella/log-swift.git
Reference: 1.0.8
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/brutella/log-swift
* tag 1.0.8 -> FETCH_HEAD
HEAD is now at 796bd0b Merge pull request #2 from jvigneshcs/master
Cloned https://github.com/brutella/log-swift.git
Revision (git rev-parse @):
796bd0b043b46554a3083a81b752741726a8c1ad
SUCCESS checkout https://github.com/brutella/log-swift.git at 1.0.8
========================================
Build
========================================
Selected platform: macosXcodebuild
Swift version: 6.4
Building package at path: $PWD
https://github.com/brutella/log-swift.git
Command line invocation:
/Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/usr/bin/xcodebuild -IDEClonedSourcePackagesDirPathOverride=/Users/admin/builder/spi-builder-workspace/.dependencies -resolvePackageDependencies
resolved source packages:
{
"dependencies" : [
],
"manifest_display_name" : "Log",
"name" : "Log",
"path" : "/Users/admin/builder/spi-builder-workspace",
"platforms" : [
],
"products" : [
{
"name" : "Log",
"targets" : [
"Log"
],
"type" : {
"library" : [
"automatic"
]
}
}
],
"targets" : [
{
"c99name" : "LogTests",
"module_type" : "SwiftTarget",
"name" : "LogTests",
"path" : "Tests/LogTests",
"sources" : [
"LoggerTests.swift",
"XCTestManifests.swift"
],
"target_dependencies" : [
"Log"
],
"type" : "test"
},
{
"c99name" : "Log",
"module_type" : "SwiftTarget",
"name" : "Log",
"path" : "Sources/Log",
"product_memberships" : [
"Log"
],
"sources" : [
"Log.swift",
"Logger.swift",
"Println.swift"
],
"type" : "library"
}
],
"tools_version" : "4.2"
}
{
"project" : {
"configurations" : [
"Debug",
"Release"
],
"name" : "Log",
"schemes" : [
"Log-Package",
"LogPackageDescription",
"LogPackageTests"
],
"targets" : [
"Log",
"LogPackageDescription",
"LogPackageTests",
"LogTests"
]
}
}
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-27.0.0-Release.Candidate.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme Log-Package -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 Log-Package -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 'Log' in project 'Log' (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: c18054fb075599726c4cd073e97b8c61
Build description path: /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/XCBuildData/c18054fb075599726c4cd073e97b8c61.xcbuilddata
/Users/admin/builder/spi-builder-workspace/Log.xcodeproj: error: The macOS deployment target 'MACOSX_DEPLOYMENT_TARGET' is set to 10.9, but the range of supported deployment target versions is 12.0 to 27.0.x. (in target 'Log' from project 'Log')
** BUILD FAILED **
The following build commands failed:
Building project Log with scheme Log-Package
(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" : "Log",
"name" : "Log",
"path" : "/Users/admin/builder/spi-builder-workspace",
"platforms" : [
],
"products" : [
{
"name" : "Log",
"targets" : [
"Log"
],
"type" : {
"library" : [
"automatic"
]
}
}
],
"targets" : [
{
"c99name" : "LogTests",
"module_type" : "SwiftTarget",
"name" : "LogTests",
"path" : "Tests/LogTests",
"sources" : [
"LoggerTests.swift",
"XCTestManifests.swift"
],
"target_dependencies" : [
"Log"
],
"type" : "test"
},
{
"c99name" : "Log",
"module_type" : "SwiftTarget",
"name" : "Log",
"path" : "Sources/Log",
"product_memberships" : [
"Log"
],
"sources" : [
"Log.swift",
"Logger.swift",
"Println.swift"
],
"type" : "library"
}
],
"tools_version" : "4.2"
}
{
"project" : {
"configurations" : [
"Debug",
"Release"
],
"name" : "Log",
"schemes" : [
"Log-Package",
"LogPackageDescription",
"LogPackageTests"
],
"targets" : [
"Log",
"LogPackageDescription",
"LogPackageTests",
"LogTests"
]
}
}
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 Log-Package -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 Log-Package -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 'Log' in project 'Log' (no dependencies)
GatherProvisioningInputs
CreateBuildDescription
/Users/admin/builder/spi-builder-workspace/Log.xcodeproj: error: The macOS deployment target 'MACOSX_DEPLOYMENT_TARGET' is set to 10.9, but the range of supported deployment target versions is 12.0 to 27.0.x. (in target 'Log' from project 'Log')
** BUILD FAILED **
The following build commands failed:
Building project Log with scheme Log-Package
(1 failure)
BUILD FAILURE 6.4 macosXcodebuild