Build Information
Failed to build Commandant, reference master (0a192d), with Swift 6.4 for macOS (Xcode) using Xcode 27.0 on 17 Sep 2026 13:59:57 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 Commandant -destination platform=macOS,arch=arm64Build Log
========================================
RunAll
========================================
Builder version: 5.1.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/Carthage/Commandant.git
Reference: master
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/Carthage/Commandant
* branch master -> FETCH_HEAD
* [new branch] master -> origin/master
HEAD is now at 0a192d3 Merge pull request #156 from Carthage/module-stability
Submodule path 'Carthage/Checkouts/Nimble': checked out 'e491a6731307bb23783bf664d003be9b2fa59ab5'
Submodule path 'Carthage/Checkouts/Quick': checked out '8a10ae40b78d2360ca56638f15fe721be8529993'
Submodule path 'Carthage/Checkouts/Quick/Externals/Nimble': checked out 'e491a6731307bb23783bf664d003be9b2fa59ab5'
Submodule path 'Carthage/Checkouts/xcconfigs': checked out '4ced0ad5a971220917994a4edfa6abf9702e3818'
Submodule 'Carthage/Checkouts/Nimble' (https://github.com/Quick/Nimble.git) registered for path 'Carthage/Checkouts/Nimble'
Submodule 'Carthage/Checkouts/Quick' (https://github.com/Quick/Quick.git) registered for path 'Carthage/Checkouts/Quick'
Submodule 'Carthage/Checkouts/xcconfigs' (https://github.com/jspahrsummers/xcconfigs.git) registered for path 'Carthage/Checkouts/xcconfigs'
Cloning into '/Users/admin/builder/spi-builder-workspace/Carthage/Checkouts/Nimble'...
Cloning into '/Users/admin/builder/spi-builder-workspace/Carthage/Checkouts/Quick'...
Cloning into '/Users/admin/builder/spi-builder-workspace/Carthage/Checkouts/xcconfigs'...
Submodule 'Externals/Nimble' (https://github.com/Quick/Nimble.git) registered for path 'Carthage/Checkouts/Quick/Externals/Nimble'
Cloning into '/Users/admin/builder/spi-builder-workspace/Carthage/Checkouts/Quick/Externals/Nimble'...
Cloned https://github.com/Carthage/Commandant.git
Revision (git rev-parse @):
0a192d39714dff52b48ca88795ad6175119fc120
SUCCESS checkout https://github.com/Carthage/Commandant.git at master
========================================
Build
========================================
Selected platform: macosXcodebuild
Swift version: 6.4
Building package at path: $PWD
https://github.com/Carthage/Commandant.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" : [
{
"identity" : "quick",
"requirement" : {
"range" : [
{
"lower_bound" : "3.1.0",
"upper_bound" : "4.0.0"
}
]
},
"type" : "sourceControl",
"url" : "https://github.com/Quick/Quick.git"
},
{
"identity" : "nimble",
"requirement" : {
"range" : [
{
"lower_bound" : "9.0.0",
"upper_bound" : "10.0.0"
}
]
},
"type" : "sourceControl",
"url" : "https://github.com/Quick/Nimble.git"
}
],
"manifest_display_name" : "Commandant",
"name" : "Commandant",
"path" : "/Users/admin/builder/spi-builder-workspace",
"platforms" : [
],
"products" : [
{
"name" : "Commandant",
"targets" : [
"Commandant"
],
"type" : {
"library" : [
"automatic"
]
}
}
],
"swift_languages_versions" : [
"5"
],
"targets" : [
{
"c99name" : "CommandantTests",
"module_type" : "SwiftTarget",
"name" : "CommandantTests",
"path" : "Tests/CommandantTests",
"product_dependencies" : [
"Quick",
"Nimble"
],
"sources" : [
"CommandSpec.swift",
"OptionSpec.swift",
"OptionsWithEnumProtocolSpec.swift",
"OrderedSetSpec.swift"
],
"target_dependencies" : [
"Commandant"
],
"type" : "test"
},
{
"c99name" : "Commandant",
"module_type" : "SwiftTarget",
"name" : "Commandant",
"path" : "Sources/Commandant",
"product_memberships" : [
"Commandant"
],
"sources" : [
"Argument.swift",
"ArgumentParser.swift",
"ArgumentProtocol.swift",
"Command.swift",
"Errors.swift",
"HelpCommand.swift",
"Option.swift",
"OrderedSet.swift",
"Result+Additions.swift",
"Switch.swift"
],
"type" : "library"
}
],
"tools_version" : "5.2"
}
{
"project" : {
"configurations" : [
"Debug",
"Test",
"Release",
"Profile"
],
"name" : "Commandant",
"schemes" : [
"Commandant"
],
"targets" : [
"Commandant",
"Tests"
]
}
}
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 Commandant -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 Commandant -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 'Commandant' in project 'Commandant' (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: 86469892e61c80dd693334dd00dbea21
Build description path: /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/XCBuildData/86469892e61c80dd693334dd00dbea21.xcbuilddata
/Users/admin/builder/spi-builder-workspace/Commandant.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 'Commandant' from project 'Commandant')
** BUILD FAILED **
The following build commands failed:
Building project Commandant with scheme Commandant
(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" : [
{
"identity" : "quick",
"requirement" : {
"range" : [
{
"lower_bound" : "3.1.0",
"upper_bound" : "4.0.0"
}
]
},
"type" : "sourceControl",
"url" : "https://github.com/Quick/Quick.git"
},
{
"identity" : "nimble",
"requirement" : {
"range" : [
{
"lower_bound" : "9.0.0",
"upper_bound" : "10.0.0"
}
]
},
"type" : "sourceControl",
"url" : "https://github.com/Quick/Nimble.git"
}
],
"manifest_display_name" : "Commandant",
"name" : "Commandant",
"path" : "/Users/admin/builder/spi-builder-workspace",
"platforms" : [
],
"products" : [
{
"name" : "Commandant",
"targets" : [
"Commandant"
],
"type" : {
"library" : [
"automatic"
]
}
}
],
"swift_languages_versions" : [
"5"
],
"targets" : [
{
"c99name" : "CommandantTests",
"module_type" : "SwiftTarget",
"name" : "CommandantTests",
"path" : "Tests/CommandantTests",
"product_dependencies" : [
"Quick",
"Nimble"
],
"sources" : [
"CommandSpec.swift",
"OptionSpec.swift",
"OptionsWithEnumProtocolSpec.swift",
"OrderedSetSpec.swift"
],
"target_dependencies" : [
"Commandant"
],
"type" : "test"
},
{
"c99name" : "Commandant",
"module_type" : "SwiftTarget",
"name" : "Commandant",
"path" : "Sources/Commandant",
"product_memberships" : [
"Commandant"
],
"sources" : [
"Argument.swift",
"ArgumentParser.swift",
"ArgumentProtocol.swift",
"Command.swift",
"Errors.swift",
"HelpCommand.swift",
"Option.swift",
"OrderedSet.swift",
"Result+Additions.swift",
"Switch.swift"
],
"type" : "library"
}
],
"tools_version" : "5.2"
}
{
"project" : {
"configurations" : [
"Debug",
"Test",
"Release",
"Profile"
],
"name" : "Commandant",
"schemes" : [
"Commandant"
],
"targets" : [
"Commandant",
"Tests"
]
}
}
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 Commandant -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 Commandant -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 'Commandant' in project 'Commandant' (no dependencies)
GatherProvisioningInputs
CreateBuildDescription
/Users/admin/builder/spi-builder-workspace/Commandant.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 'Commandant' from project 'Commandant')
** BUILD FAILED **
The following build commands failed:
Building project Commandant with scheme Commandant
(1 failure)
BUILD FAILURE 6.4 macosXcodebuild