Swift Package Index

Build Information

Failed to build Einsteinium, reference master (6fb453), with Swift 6.4 for macOS (Xcode) using Xcode 27.0 on 22 Sep 2026 19:08:57 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 Einsteinium -destination platform=macOS,arch=arm64

Build Log

========================================
RunAll
========================================
Builder version: 5.1.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/UnlockAgency/Einsteinium.git
Reference: master
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/UnlockAgency/Einsteinium
 * branch            master     -> FETCH_HEAD
 * [new branch]      master     -> origin/master
HEAD is now at 6fb4530 Made upmost and root viewcontrollers optional
Cloned https://github.com/UnlockAgency/Einsteinium.git
Revision (git rev-parse @):
6fb4530339a8bdaf71614237d488d94ad732de90
SUCCESS checkout https://github.com/UnlockAgency/Einsteinium.git at master
========================================
Build
========================================
Selected platform:         macosXcodebuild
Swift version:             6.4
Building package at path:  $PWD
https://github.com/UnlockAgency/Einsteinium.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" : "swift-log",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "1.0.0",
            "upper_bound" : "2.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/apple/swift-log.git"
    }
  ],
  "manifest_display_name" : "Einsteinium",
  "name" : "Einsteinium",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "ios",
      "version" : "9.0"
    }
  ],
  "products" : [
    {
      "name" : "Einsteinium",
      "targets" : [
        "Einsteinium"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "Einsteinium",
      "module_type" : "SwiftTarget",
      "name" : "Einsteinium",
      "path" : "Sources",
      "product_dependencies" : [
        "Logging"
      ],
      "product_memberships" : [
        "Einsteinium"
      ],
      "sources" : [
        "Core/Array.swift",
        "Core/Collection.swift",
        "Core/DispatchQueue.swift",
        "Core/Optional.swift",
        "Core/String.swift",
        "CoreGraphics/CGFloat.swift",
        "CoreGraphics/CGRect.swift",
        "CoreLocation/CLLocationCoordinate2D.swift",
        "Foundation/Bundle.swift",
        "Foundation/URL.swift",
        "Logging.swift",
        "UIKit/DesignableXibView.swift",
        "UIKit/UIButton.swift",
        "UIKit/UIDevice.swift",
        "UIKit/UIImage.swift",
        "UIKit/UINavigationController.swift",
        "UIKit/UINibView.swift",
        "UIKit/UITableView.swift",
        "UIKit/UITextField.swift",
        "UIKit/UIView.swift",
        "UIKit/UIViewController.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.0"
}
{
  "project" : {
    "configurations" : [
      "Debug",
      "Release"
    ],
    "name" : "Einsteinium",
    "schemes" : [
      "Einsteinium"
    ],
    "targets" : [
      "Einsteinium",
      "EinsteiniumTests"
    ]
  }
}
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 Einsteinium -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 Einsteinium -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 'Einsteinium' in project 'Einsteinium' (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: 2c91f03935e958fef1bc598ca5ebd622
Build description path: /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/XCBuildData/2c91f03935e958fef1bc598ca5ebd622.xcbuilddata
/Users/admin/builder/spi-builder-workspace/Einsteinium.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 'Einsteinium' from project 'Einsteinium')
--- xcodebuild: WARNING: Using the first of multiple matching destinations:
{ platform:macOS, arch:arm64, variant:Mac Catalyst, id:5f55e44e5a8ebf2bf65c1ec8dc541801af958edf, name:My Mac }
{ platform:macOS, arch:arm64, variant:Designed for [iPad,iPhone], id:5f55e44e5a8ebf2bf65c1ec8dc541801af958edf, name:My Mac }
** BUILD FAILED **
The following build commands failed:
	Building project Einsteinium with scheme Einsteinium
(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" : "swift-log",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "1.0.0",
            "upper_bound" : "2.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/apple/swift-log.git"
    }
  ],
  "manifest_display_name" : "Einsteinium",
  "name" : "Einsteinium",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "ios",
      "version" : "9.0"
    }
  ],
  "products" : [
    {
      "name" : "Einsteinium",
      "targets" : [
        "Einsteinium"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "Einsteinium",
      "module_type" : "SwiftTarget",
      "name" : "Einsteinium",
      "path" : "Sources",
      "product_dependencies" : [
        "Logging"
      ],
      "product_memberships" : [
        "Einsteinium"
      ],
      "sources" : [
        "Core/Array.swift",
        "Core/Collection.swift",
        "Core/DispatchQueue.swift",
        "Core/Optional.swift",
        "Core/String.swift",
        "CoreGraphics/CGFloat.swift",
        "CoreGraphics/CGRect.swift",
        "CoreLocation/CLLocationCoordinate2D.swift",
        "Foundation/Bundle.swift",
        "Foundation/URL.swift",
        "Logging.swift",
        "UIKit/DesignableXibView.swift",
        "UIKit/UIButton.swift",
        "UIKit/UIDevice.swift",
        "UIKit/UIImage.swift",
        "UIKit/UINavigationController.swift",
        "UIKit/UINibView.swift",
        "UIKit/UITableView.swift",
        "UIKit/UITextField.swift",
        "UIKit/UIView.swift",
        "UIKit/UIViewController.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.0"
}
{
  "project" : {
    "configurations" : [
      "Debug",
      "Release"
    ],
    "name" : "Einsteinium",
    "schemes" : [
      "Einsteinium"
    ],
    "targets" : [
      "Einsteinium",
      "EinsteiniumTests"
    ]
  }
}
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 Einsteinium -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 Einsteinium -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 'Einsteinium' in project 'Einsteinium' (no dependencies)
GatherProvisioningInputs
CreateBuildDescription
/Users/admin/builder/spi-builder-workspace/Einsteinium.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 'Einsteinium' from project 'Einsteinium')
--- xcodebuild: WARNING: Using the first of multiple matching destinations:
{ platform:macOS, arch:arm64, variant:Mac Catalyst, id:5f55e44e5a8ebf2bf65c1ec8dc541801af958edf, name:My Mac }
{ platform:macOS, arch:arm64, variant:Designed for [iPad,iPhone], id:5f55e44e5a8ebf2bf65c1ec8dc541801af958edf, name:My Mac }
** BUILD FAILED **
The following build commands failed:
	Building project Einsteinium with scheme Einsteinium
(1 failure)
BUILD FAILURE 6.4 macosXcodebuild