The Swift Package Index logo.Swift Package Index

Has it really been five years since Swift Package Index launched? Read our anniversary blog post!

Build Information

Failed to build AsyncButton, reference 0.0.4 (8192bf), with Swift 6.2 (beta) for macOS (Xcode) using Xcode 26.0 on 21 Jun 2025 07:16:55 UTC.

Build Command

env DEVELOPER_DIR=/Applications/Xcode-26.0.0-Beta.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme AsyncButton -destination platform=macOS,arch=arm64

Build Log

========================================
RunAll
========================================
Builder version: 4.64.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/edonv/AsyncButton.git
Reference: 0.0.4
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/edonv/AsyncButton
 * tag               0.0.4      -> FETCH_HEAD
HEAD is now at 8192bf8 Moved privacy manifest
Cloned https://github.com/edonv/AsyncButton.git
Revision (git rev-parse @):
8192bf8f0ccb91fa319f66d99ac49ec20394cec8
SPI manifest file found: $PWD/.spi.yml
SUCCESS checkout https://github.com/edonv/AsyncButton.git at 0.0.4
========================================
Build
========================================
Selected platform:         macosXcodebuild
Swift version:             6.2
Building package at path:  $PWD
https://github.com/edonv/AsyncButton.git
Command line invocation:
    /Applications/Xcode-26.0.0-Beta.app/Contents/Developer/usr/bin/xcodebuild -IDEClonedSourcePackagesDirPathOverride=/Users/admin/builder/spi-builder-workspace/.dependencies -resolvePackageDependencies
Resolve Package Graph
Fetching from https://github.com/shaps80/SwiftUIBackports.git
Fetching from https://github.com/shaps80/SwiftBackports
Creating working copy of package ‘SwiftBackports’
Checking out 1.0.3 of package ‘SwiftBackports’
Creating working copy of package ‘SwiftUIBackports’
Checking out 2.8.1 of package ‘SwiftUIBackports’
Resolve Package Graph
Resolved source packages:
  SwiftBackports: https://github.com/shaps80/SwiftBackports @ 1.0.3
  AsyncButton: /Users/admin/builder/spi-builder-workspace
  SwiftUIBackports: https://github.com/shaps80/SwiftUIBackports.git @ 2.8.1
resolved source packages: SwiftBackports, AsyncButton, SwiftUIBackports
{
  "dependencies" : [
    {
      "identity" : "swiftuibackports",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "2.0.0",
            "upper_bound" : "3.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/shaps80/SwiftUIBackports.git"
    }
  ],
  "manifest_display_name" : "AsyncButton",
  "name" : "AsyncButton",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "ios",
      "version" : "13.0"
    },
    {
      "name" : "maccatalyst",
      "version" : "13.0"
    },
    {
      "name" : "tvos",
      "version" : "13.0"
    },
    {
      "name" : "watchos",
      "version" : "6.0"
    }
  ],
  "products" : [
    {
      "name" : "AsyncButton",
      "targets" : [
        "AsyncButton"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "AsyncButtonTests",
      "module_type" : "SwiftTarget",
      "name" : "AsyncButtonTests",
      "path" : "Tests/AsyncButtonTests",
      "sources" : [
        "AsyncButtonTests.swift"
      ],
      "target_dependencies" : [
        "AsyncButton"
      ],
      "type" : "test"
    },
    {
      "c99name" : "AsyncButton",
      "module_type" : "SwiftTarget",
      "name" : "AsyncButton",
      "path" : "Sources/AsyncButton",
      "product_dependencies" : [
        "SwiftUIBackports"
      ],
      "product_memberships" : [
        "AsyncButton"
      ],
      "sources" : [
        "AsyncButton+Inits.swift",
        "AsyncButton.swift",
        "Backports/ProgressViewBackport.swift",
        "Backports/SwiftUIBackport Availability Wrappers.swift",
        "Supporting Types/AsyncButtonOptions.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.7"
}
{
  "workspace" : {
    "name" : "spi-builder-workspace",
    "schemes" : [
      "AsyncButton",
      "Backports",
      "SwiftUIBackports"
    ]
  }
}
{
  "workspace" : {
    "name" : "spi-builder-workspace",
    "schemes" : [
      "AsyncButton",
      "Backports",
      "SwiftUIBackports"
    ]
  }
}
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-26.0.0-Beta.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme AsyncButton -destination platform=macOS,arch=arm64
Command line invocation:
    /Applications/Xcode-26.0.0-Beta.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 AsyncButton -destination platform=macOS,arch=arm64
Resolve Package Graph
Resolve Package Graph
Resolved source packages:
  SwiftBackports: https://github.com/shaps80/SwiftBackports @ 1.0.3
  SwiftUIBackports: https://github.com/shaps80/SwiftUIBackports.git @ 2.8.1
  AsyncButton: /Users/admin/builder/spi-builder-workspace
ComputePackagePrebuildTargetDependencyGraph
Prepare packages
CreateBuildRequest
SendProjectDescription
CreateBuildOperation
ComputeTargetDependencyGraph
note: Building targets in dependency order
note: Target dependency graph (7 targets)
    Target 'AsyncButton' in project 'AsyncButton'
        ➜ Explicit dependency on target 'AsyncButton' in project 'AsyncButton'
        ➜ Explicit dependency on target 'SwiftUIBackports' in project 'SwiftUIBackports'
    Target 'AsyncButton' in project 'AsyncButton'
        ➜ Explicit dependency on target 'SwiftUIBackports' in project 'SwiftUIBackports'
    Target 'SwiftUIBackports' in project 'SwiftUIBackports'
        ➜ Explicit dependency on target 'SwiftUIBackports' in project 'SwiftUIBackports'
        ➜ Explicit dependency on target 'SwiftUIBackports_SwiftUIBackports' in project 'SwiftUIBackports'
        ➜ Explicit dependency on target 'SwiftBackports' in project 'SwiftBackports'
    Target 'SwiftUIBackports' in project 'SwiftUIBackports'
        ➜ Explicit dependency on target 'SwiftUIBackports_SwiftUIBackports' in project 'SwiftUIBackports'
        ➜ Explicit dependency on target 'SwiftBackports' in project 'SwiftBackports'
    Target 'SwiftBackports' in project 'SwiftBackports'
        ➜ Explicit dependency on target 'SwiftBackports' in project 'SwiftBackports'
    Target 'SwiftBackports' in project 'SwiftBackports' (no dependencies)
    Target 'SwiftUIBackports_SwiftUIBackports' in project 'SwiftUIBackports' (no dependencies)
GatherProvisioningInputs
CreateBuildDescription
ExecuteExternalTool /Applications/Xcode-26.0.0-Beta.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swiftc --version
ExecuteExternalTool /Applications/Xcode-26.0.0-Beta.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -v -E -dM -isysroot /Applications/Xcode-26.0.0-Beta.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX26.0.sdk -x c -c /dev/null
ExecuteExternalTool /Applications/Xcode-26.0.0-Beta.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/ld -version_details
Build description signature: d58cf94fea3e04613c37c81ce75556ec
Build description path: /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/XCBuildData/d58cf94fea3e04613c37c81ce75556ec.xcbuilddata
error: The package product 'SwiftUIBackports' requires minimum platform version 10.15 for the macOS platform, but this target supports 10.13 (in target 'AsyncButton' from project 'AsyncButton')
--- xcodebuild: WARNING: Using the first of multiple matching destinations:
{ platform:macOS, arch:arm64, id:c704e1f5f41d0b4a41ccf2c5d3c684bbf4b41df4, name:My Mac }
{ platform:macOS, arch:arm64, variant:Mac Catalyst, id:c704e1f5f41d0b4a41ccf2c5d3c684bbf4b41df4, name:My Mac }
{ platform:macOS, arch:arm64, variant:DriverKit, id:c704e1f5f41d0b4a41ccf2c5d3c684bbf4b41df4, name:My Mac }
{ platform:macOS, arch:arm64, variant:Designed for [iPad,iPhone], id:c704e1f5f41d0b4a41ccf2c5d3c684bbf4b41df4, name:My Mac }
** BUILD FAILED **
The following build commands failed:
	Building workspace spi-builder-workspace with scheme AsyncButton
(1 failure)
Command line invocation:
    /Applications/Xcode-26.0.0-Beta.app/Contents/Developer/usr/bin/xcodebuild -IDEClonedSourcePackagesDirPathOverride=/Users/admin/builder/spi-builder-workspace/.dependencies -resolvePackageDependencies
Resolve Package Graph
Resolved source packages:
  SwiftUIBackports: https://github.com/shaps80/SwiftUIBackports.git @ 2.8.1
  SwiftBackports: https://github.com/shaps80/SwiftBackports @ 1.0.3
  AsyncButton: /Users/admin/builder/spi-builder-workspace
resolved source packages: SwiftUIBackports, SwiftBackports, AsyncButton
{
  "dependencies" : [
    {
      "identity" : "swiftuibackports",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "2.0.0",
            "upper_bound" : "3.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/shaps80/SwiftUIBackports.git"
    }
  ],
  "manifest_display_name" : "AsyncButton",
  "name" : "AsyncButton",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "ios",
      "version" : "13.0"
    },
    {
      "name" : "maccatalyst",
      "version" : "13.0"
    },
    {
      "name" : "tvos",
      "version" : "13.0"
    },
    {
      "name" : "watchos",
      "version" : "6.0"
    }
  ],
  "products" : [
    {
      "name" : "AsyncButton",
      "targets" : [
        "AsyncButton"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "AsyncButtonTests",
      "module_type" : "SwiftTarget",
      "name" : "AsyncButtonTests",
      "path" : "Tests/AsyncButtonTests",
      "sources" : [
        "AsyncButtonTests.swift"
      ],
      "target_dependencies" : [
        "AsyncButton"
      ],
      "type" : "test"
    },
    {
      "c99name" : "AsyncButton",
      "module_type" : "SwiftTarget",
      "name" : "AsyncButton",
      "path" : "Sources/AsyncButton",
      "product_dependencies" : [
        "SwiftUIBackports"
      ],
      "product_memberships" : [
        "AsyncButton"
      ],
      "sources" : [
        "AsyncButton+Inits.swift",
        "AsyncButton.swift",
        "Backports/ProgressViewBackport.swift",
        "Backports/SwiftUIBackport Availability Wrappers.swift",
        "Supporting Types/AsyncButtonOptions.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.7"
}
{
  "workspace" : {
    "name" : "spi-builder-workspace",
    "schemes" : [
      "AsyncButton",
      "Backports",
      "SwiftUIBackports"
    ]
  }
}
{
  "workspace" : {
    "name" : "spi-builder-workspace",
    "schemes" : [
      "AsyncButton",
      "Backports",
      "SwiftUIBackports"
    ]
  }
}
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-26.0.0-Beta.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme AsyncButton -destination platform=macOS,arch=arm64
Command line invocation:
    /Applications/Xcode-26.0.0-Beta.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 AsyncButton -destination platform=macOS,arch=arm64
Resolve Package Graph
Resolved source packages:
  AsyncButton: /Users/admin/builder/spi-builder-workspace
  SwiftBackports: https://github.com/shaps80/SwiftBackports @ 1.0.3
  SwiftUIBackports: https://github.com/shaps80/SwiftUIBackports.git @ 2.8.1
ComputePackagePrebuildTargetDependencyGraph
Prepare packages
CreateBuildRequest
SendProjectDescription
CreateBuildOperation
ComputeTargetDependencyGraph
note: Building targets in dependency order
note: Target dependency graph (7 targets)
    Target 'AsyncButton' in project 'AsyncButton'
        ➜ Explicit dependency on target 'AsyncButton' in project 'AsyncButton'
        ➜ Explicit dependency on target 'SwiftUIBackports' in project 'SwiftUIBackports'
    Target 'AsyncButton' in project 'AsyncButton'
        ➜ Explicit dependency on target 'SwiftUIBackports' in project 'SwiftUIBackports'
    Target 'SwiftUIBackports' in project 'SwiftUIBackports'
        ➜ Explicit dependency on target 'SwiftUIBackports' in project 'SwiftUIBackports'
        ➜ Explicit dependency on target 'SwiftUIBackports_SwiftUIBackports' in project 'SwiftUIBackports'
        ➜ Explicit dependency on target 'SwiftBackports' in project 'SwiftBackports'
    Target 'SwiftUIBackports' in project 'SwiftUIBackports'
        ➜ Explicit dependency on target 'SwiftUIBackports_SwiftUIBackports' in project 'SwiftUIBackports'
        ➜ Explicit dependency on target 'SwiftBackports' in project 'SwiftBackports'
    Target 'SwiftBackports' in project 'SwiftBackports'
        ➜ Explicit dependency on target 'SwiftBackports' in project 'SwiftBackports'
    Target 'SwiftBackports' in project 'SwiftBackports' (no dependencies)
    Target 'SwiftUIBackports_SwiftUIBackports' in project 'SwiftUIBackports' (no dependencies)
GatherProvisioningInputs
CreateBuildDescription
ExecuteExternalTool /Applications/Xcode-26.0.0-Beta.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -v -E -dM -isysroot /Applications/Xcode-26.0.0-Beta.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX26.0.sdk -x c -c /dev/null
ExecuteExternalTool /Applications/Xcode-26.0.0-Beta.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swiftc --version
ExecuteExternalTool /Applications/Xcode-26.0.0-Beta.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/ld -version_details
Build description signature: d58cf94fea3e04613c37c81ce75556ec
Build description path: /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/XCBuildData/d58cf94fea3e04613c37c81ce75556ec.xcbuilddata
error: The package product 'SwiftUIBackports' requires minimum platform version 10.15 for the macOS platform, but this target supports 10.13 (in target 'AsyncButton' from project 'AsyncButton')
--- xcodebuild: WARNING: Using the first of multiple matching destinations:
{ platform:macOS, arch:arm64, id:c704e1f5f41d0b4a41ccf2c5d3c684bbf4b41df4, name:My Mac }
{ platform:macOS, arch:arm64, variant:Mac Catalyst, id:c704e1f5f41d0b4a41ccf2c5d3c684bbf4b41df4, name:My Mac }
{ platform:macOS, arch:arm64, variant:DriverKit, id:c704e1f5f41d0b4a41ccf2c5d3c684bbf4b41df4, name:My Mac }
{ platform:macOS, arch:arm64, variant:Designed for [iPad,iPhone], id:c704e1f5f41d0b4a41ccf2c5d3c684bbf4b41df4, name:My Mac }
** BUILD FAILED **
The following build commands failed:
	Building workspace spi-builder-workspace with scheme AsyncButton
(1 failure)
BUILD FAILURE 6.2 macosXcodebuild