Build Information
Failed to build AlecrimAsyncKit, reference master (974e49), with Swift 6.4 for macOS (Xcode) using Xcode 27.0 on 16 Sep 2026 16:50:37 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 AlecrimAsyncKit -destination platform=macOS,arch=arm64Build Log
========================================
RunAll
========================================
Builder version: 5.1.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/Alecrim/AlecrimAsyncKit.git
Reference: master
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/Alecrim/AlecrimAsyncKit
* branch master -> FETCH_HEAD
* [new branch] master -> origin/master
HEAD is now at 974e49c Merge branch 'release/5.0-beta.2'
Cloned https://github.com/Alecrim/AlecrimAsyncKit.git
Revision (git rev-parse @):
974e49ce5e6ca0543aba4532448e5799e2bba545
SUCCESS checkout https://github.com/Alecrim/AlecrimAsyncKit.git at master
========================================
Build
========================================
Selected platform: macosXcodebuild
Swift version: 6.4
Building package at path: $PWD
https://github.com/Alecrim/AlecrimAsyncKit.git
Command line invocation:
/Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/usr/bin/xcodebuild -IDEClonedSourcePackagesDirPathOverride=/Users/admin/builder/spi-builder-workspace/.dependencies -resolvePackageDependencies
resolved source packages:
{
"dependencies" : [
],
"manifest_display_name" : "AlecrimAsyncKit",
"name" : "AlecrimAsyncKit",
"path" : "/Users/admin/builder/spi-builder-workspace",
"platforms" : [
{
"name" : "macos",
"version" : "10.12"
},
{
"name" : "ios",
"version" : "10.0"
},
{
"name" : "watchos",
"version" : "3.0"
},
{
"name" : "tvos",
"version" : "10.0"
}
],
"products" : [
{
"name" : "AlecrimAsyncKit",
"targets" : [
"AlecrimAsyncKit"
],
"type" : {
"library" : [
"automatic"
]
}
}
],
"targets" : [
{
"c99name" : "AlecrimAsyncKit",
"module_type" : "SwiftTarget",
"name" : "AlecrimAsyncKit",
"path" : "Sources",
"product_memberships" : [
"AlecrimAsyncKit"
],
"sources" : [
"Async.swift",
"Await.swift",
"Cancellation.swift",
"Error+Extensions.swift",
"Task.swift",
"TaskAwaiter.swift"
],
"type" : "library"
}
],
"tools_version" : "5.0"
}
{
"project" : {
"configurations" : [
"Debug",
"Release"
],
"name" : "AlecrimAsyncKit",
"schemes" : [
"AlecrimAsyncKit"
],
"targets" : [
"AlecrimAsyncKit",
"AlecrimAsyncKitTests"
]
}
}
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-27.0.0-Release.Candidate.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme AlecrimAsyncKit -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 AlecrimAsyncKit -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 'AlecrimAsyncKit' in project 'AlecrimAsyncKit' (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: 34b9b0490fba315fb0fb26d96d0ba90a
Build description path: /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/XCBuildData/34b9b0490fba315fb0fb26d96d0ba90a.xcbuilddata
/Users/admin/builder/spi-builder-workspace/AlecrimAsyncKit.xcodeproj: error: The macOS deployment target 'MACOSX_DEPLOYMENT_TARGET' is set to 10.12, but the range of supported deployment target versions is 12.0 to 27.0.x. (in target 'AlecrimAsyncKit' from project 'AlecrimAsyncKit')
** BUILD FAILED **
The following build commands failed:
Building project AlecrimAsyncKit with scheme AlecrimAsyncKit
(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" : "AlecrimAsyncKit",
"name" : "AlecrimAsyncKit",
"path" : "/Users/admin/builder/spi-builder-workspace",
"platforms" : [
{
"name" : "macos",
"version" : "10.12"
},
{
"name" : "ios",
"version" : "10.0"
},
{
"name" : "watchos",
"version" : "3.0"
},
{
"name" : "tvos",
"version" : "10.0"
}
],
"products" : [
{
"name" : "AlecrimAsyncKit",
"targets" : [
"AlecrimAsyncKit"
],
"type" : {
"library" : [
"automatic"
]
}
}
],
"targets" : [
{
"c99name" : "AlecrimAsyncKit",
"module_type" : "SwiftTarget",
"name" : "AlecrimAsyncKit",
"path" : "Sources",
"product_memberships" : [
"AlecrimAsyncKit"
],
"sources" : [
"Async.swift",
"Await.swift",
"Cancellation.swift",
"Error+Extensions.swift",
"Task.swift",
"TaskAwaiter.swift"
],
"type" : "library"
}
],
"tools_version" : "5.0"
}
{
"project" : {
"configurations" : [
"Debug",
"Release"
],
"name" : "AlecrimAsyncKit",
"schemes" : [
"AlecrimAsyncKit"
],
"targets" : [
"AlecrimAsyncKit",
"AlecrimAsyncKitTests"
]
}
}
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 AlecrimAsyncKit -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 AlecrimAsyncKit -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 'AlecrimAsyncKit' in project 'AlecrimAsyncKit' (no dependencies)
GatherProvisioningInputs
CreateBuildDescription
/Users/admin/builder/spi-builder-workspace/AlecrimAsyncKit.xcodeproj: error: The macOS deployment target 'MACOSX_DEPLOYMENT_TARGET' is set to 10.12, but the range of supported deployment target versions is 12.0 to 27.0.x. (in target 'AlecrimAsyncKit' from project 'AlecrimAsyncKit')
** BUILD FAILED **
The following build commands failed:
Building project AlecrimAsyncKit with scheme AlecrimAsyncKit
(1 failure)
BUILD FAILURE 6.4 macosXcodebuild