Swift Package Index

Build Information

Failed to build XCERequirement, reference 4.2.0 (3d8512), with Swift 6.1 for macOS (SPM) on 16 Aug 2026 08:26:09 UTC.

Build Command

env DEVELOPER_DIR=/Applications/Xcode-16.3.0.app xcrun swift build --arch arm64

Build Log

========================================
RunAll
========================================
Builder version: undefined version: run 'make version' to update
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/XCEssentials/XCERequirement.git
Reference: 4.2.0
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/XCEssentials/XCERequirement
 * tag               4.2.0      -> FETCH_HEAD
HEAD is now at 3d8512f Prepare release 4.2.0
Cloned https://github.com/XCEssentials/XCERequirement.git
Revision (git rev-parse @):
3d8512f4be19f4ee6f61126d51f1e195d76fa17a
SUCCESS checkout https://github.com/XCEssentials/XCERequirement.git at 4.2.0
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             6.1
Building package at path:  $PWD
https://github.com/XCEssentials/XCERequirement.git
https://github.com/XCEssentials/XCERequirement.git
{
  "dependencies" : [
    {
      "identity" : "swiftlintplugins",
      "requirement" : {
        "exact" : [
          "0.65.0"
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/SimplyDanny/SwiftLintPlugins"
    }
  ],
  "manifest_display_name" : "XCERequirement",
  "name" : "XCERequirement",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "macos",
      "version" : "12.0"
    },
    {
      "name" : "maccatalyst",
      "version" : "15.0"
    },
    {
      "name" : "ios",
      "version" : "15.0"
    },
    {
      "name" : "tvos",
      "version" : "15.0"
    },
    {
      "name" : "watchos",
      "version" : "8.0"
    },
    {
      "name" : "visionos",
      "version" : "1.0"
    }
  ],
  "products" : [
    {
      "name" : "XCERequirement",
      "targets" : [
        "XCERequirement"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "swift_languages_versions" : [
    "6"
  ],
  "targets" : [
    {
      "c99name" : "XCERequirementTests",
      "module_type" : "SwiftTarget",
      "name" : "XCERequirementTests",
      "path" : "Tests/XCERequirementTests",
      "product_dependencies" : [
        "SwiftLintBuildToolPlugin"
      ],
      "sources" : [
        "AliasesTests.swift",
        "InlineRequirementTests.swift",
        "RequirementTests.swift"
      ],
      "target_dependencies" : [
        "XCERequirement"
      ],
      "type" : "test"
    },
    {
      "c99name" : "XCERequirement",
      "module_type" : "SwiftTarget",
      "name" : "XCERequirement",
      "path" : "Sources/XCERequirement",
      "product_dependencies" : [
        "SwiftLintBuildToolPlugin"
      ],
      "product_memberships" : [
        "XCERequirement"
      ],
      "sources" : [
        "Aliases.swift",
        "Requirement+Inline.swift",
        "Requirement.swift",
        "RequirementContext.swift",
        "RequirementError.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "6.0"
}
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-16.3.0.app xcrun swift build --arch arm64 -Xswiftc -Xfrontend -Xswiftc -stats-output-dir -Xswiftc -Xfrontend -Xswiftc .stats
Fetching https://github.com/SimplyDanny/SwiftLintPlugins
[1/359] Fetching swiftlintplugins
Fetched https://github.com/SimplyDanny/SwiftLintPlugins from cache (0.85s)
Computing version for https://github.com/SimplyDanny/SwiftLintPlugins
Computed https://github.com/SimplyDanny/SwiftLintPlugins at 0.65.0 (1.40s)
Creating working copy for https://github.com/SimplyDanny/SwiftLintPlugins
Working copy of https://github.com/SimplyDanny/SwiftLintPlugins resolved at 0.65.0
Downloading binary artifact https://github.com/realm/SwiftLint/releases/download/0.65.0/SwiftLintBinary.artifactbundle.zip
[16375/75288244] Downloading https://github.com/realm/SwiftLint/releases/download/0.65.0/SwiftLintBinary.artifactbundle.zip
Downloaded https://github.com/realm/SwiftLint/releases/download/0.65.0/SwiftLintBinary.artifactbundle.zip (3.79s)
error: a prebuild command cannot use executables built from source, including executable target 'swiftlint'
error: build planning stopped due to build-tool plugin failures
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-16.3.0.app xcrun swift build --arch arm64
error: a prebuild command cannot use executables built from source, including executable target 'swiftlint'
error: build planning stopped due to build-tool plugin failures
BUILD FAILURE 6.1 macosSpm