Swift Package Index

Build Information

Failed to build SwiftTailwind, reference main (9bdfd4), with Swift 6.1 for watchOS using Xcode 16.3 on 13 Aug 2026 18:01:30 UTC.

Build Command

No build command. This typically means the build failed at an early stage where we determine the build command.

Build Log

========================================
RunAll
========================================
Builder version: undefined version: run 'make version' to update
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/laosb/SwiftTailwind.git
Reference: main
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/laosb/SwiftTailwind
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at 9bdfd48 Update TailwindCSS CLI to v4.3.3
Cloned https://github.com/laosb/SwiftTailwind.git
Revision (git rev-parse @):
9bdfd48a140a917138bd35f5082aa024a0fb9ac3
SUCCESS checkout https://github.com/laosb/SwiftTailwind.git at main
========================================
Build
========================================
Selected platform:         watchOS
Swift version:             6.1
Building package at path:  $PWD
https://github.com/laosb/SwiftTailwind.git
https://github.com/laosb/SwiftTailwind.git
{
  "dependencies" : [
    {
      "identity" : "swift-argument-parser",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "1.7.0",
            "upper_bound" : "2.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/apple/swift-argument-parser.git"
    },
    {
      "identity" : "swift-crypto",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "1.0.0",
            "upper_bound" : "5.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/apple/swift-crypto.git"
    },
    {
      "identity" : "swift-subprocess",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "0.4.0",
            "upper_bound" : "0.5.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/swiftlang/swift-subprocess.git"
    }
  ],
  "manifest_display_name" : "SwiftTailwind",
  "name" : "SwiftTailwind",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "macos",
      "version" : "13.0"
    }
  ],
  "products" : [
    {
      "name" : "TailwindCSS",
      "targets" : [
        "TailwindCSS"
      ],
      "type" : {
        "plugin" : null
      }
    },
    {
      "name" : "TailwindCSSCLIArtifactBundler",
      "targets" : [
        "TailwindCSSCLIArtifactBundler"
      ],
      "type" : {
        "executable" : null
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "TailwindCSSCLIArtifactBundler",
      "module_type" : "SwiftTarget",
      "name" : "TailwindCSSCLIArtifactBundler",
      "path" : "Sources/TailwindCSSCLIArtifactBundler",
      "product_dependencies" : [
        "ArgumentParser",
        "Crypto",
        "Subprocess"
      ],
      "product_memberships" : [
        "TailwindCSSCLIArtifactBundler"
      ],
      "sources" : [
        "ArtifactBundleBuilder+File Operations.swift",
        "ArtifactBundleBuilder+computeChecksum.swift",
        "ArtifactBundleBuilder+expandingTriple.swift",
        "ArtifactBundleBuilder.swift",
        "ArtifactBundleError.swift",
        "Models.swift",
        "TailwindCSSCLIArtifactBundler.swift"
      ],
      "type" : "executable"
    },
    {
      "c99name" : "TailwindCSSCLI",
      "module_type" : "BinaryTarget",
      "name" : "TailwindCSSCLI",
      "path" : "remote/archive/tailwindcss.artifactbundleindex",
      "product_memberships" : [
        "TailwindCSS"
      ],
      "sources" : [
      ],
      "type" : "binary"
    },
    {
      "c99name" : "TailwindCSS",
      "module_type" : "PluginTarget",
      "name" : "TailwindCSS",
      "path" : "Plugins/TailwindCSS",
      "plugin_capability" : {
        "type" : "buildTool"
      },
      "product_memberships" : [
        "TailwindCSS"
      ],
      "sources" : [
        "TailwindCSSBuildPlugin.swift",
        "Utils.swift"
      ],
      "target_dependencies" : [
        "TailwindCSSCLI"
      ],
      "type" : "plugin"
    },
    {
      "c99name" : "SwiftTailwindTests",
      "module_type" : "SwiftTarget",
      "name" : "SwiftTailwindTests",
      "path" : "Tests/SwiftTailwindTests",
      "sources" : [
        "Tests.swift"
      ],
      "target_dependencies" : [
        "SwiftTailwindExample"
      ],
      "type" : "test"
    },
    {
      "c99name" : "SwiftTailwindExample",
      "module_type" : "SwiftTarget",
      "name" : "SwiftTailwindExample",
      "path" : "Sources/SwiftTailwindExample",
      "resources" : [
        {
          "path" : "/Users/admin/builder/spi-builder-workspace/Sources/SwiftTailwindExample/Views/Test.html",
          "rule" : {
            "copy" : {
            }
          }
        }
      ],
      "sources" : [
        "Example.swift",
        "NotIncluded.swift",
        "Views/Template.swift"
      ],
      "target_dependencies" : [
        "TailwindCSS"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "6.1"
}
Command line invocation:
    /Applications/Xcode-16.3.0.app/Contents/Developer/usr/bin/xcodebuild -IDEClonedSourcePackagesDirPathOverride=/Users/admin/builder/spi-builder-workspace/.dependencies -resolvePackageDependencies
Resolve Package Graph
Fetching from https://github.com/swiftlang/swift-subprocess.git
Fetching from https://github.com/apple/swift-crypto.git (cached)
Fetching from https://github.com/apple/swift-argument-parser.git (cached)
Fetching from https://github.com/apple/swift-system (cached)
Fetching from https://github.com/apple/swift-asn1.git (cached)
Creating working copy of package ‘swift-subprocess’
Checking out 0.4.0 of package ‘swift-subprocess’
Creating working copy of package ‘swift-argument-parser’
Checking out 1.8.2 of package ‘swift-argument-parser’
Creating working copy of package ‘swift-asn1’
Checking out 1.7.1 of package ‘swift-asn1’
Creating working copy of package ‘swift-crypto’
Checking out 4.5.1 of package ‘swift-crypto’
Creating working copy of package ‘swift-system’
Checking out 1.8.0 of package ‘swift-system’
failed retrieving 'https://github.com/laosb/SwiftTailwind/releases/download/TailwindCSSCLI-v4.3.3-00553dd33b62f0dc34b48d2105da59800a1c209dd0db89bd213f6bcf26b276f2/tailwindcss.artifactbundleindex': No supported archive was found for 'arm64-apple-macos15.4'fatalErrorResolve Package Graph
failed retrieving 'https://github.com/laosb/SwiftTailwind/releases/download/TailwindCSSCLI-v4.3.3-00553dd33b62f0dc34b48d2105da59800a1c209dd0db89bd213f6bcf26b276f2/tailwindcss.artifactbundleindex': No supported archive was found for 'arm64-apple-macos15.4'fatalError
Resolved source packages:
  spi-builder-workspace: (null)
2026-08-13 11:01:29.397 xcodebuild[527:2971] Writing error result bundle to /var/folders/5k/5yc19ymj0jqd5v0zvgfqz0xw0000gn/T/ResultBundle_2026-13-08_11-01-0029.xcresult
xcodebuild: error: Could not resolve package dependencies:
  failed retrieving 'https://github.com/laosb/SwiftTailwind/releases/download/TailwindCSSCLI-v4.3.3-00553dd33b62f0dc34b48d2105da59800a1c209dd0db89bd213f6bcf26b276f2/tailwindcss.artifactbundleindex': No supported archive was found for 'arm64-apple-macos15.4'
  fatalError
Command line invocation:
    /Applications/Xcode-16.3.0.app/Contents/Developer/usr/bin/xcodebuild -IDEClonedSourcePackagesDirPathOverride=/Users/admin/builder/spi-builder-workspace/.dependencies -resolvePackageDependencies
Resolve Package Graph
failed retrieving 'https://github.com/laosb/SwiftTailwind/releases/download/TailwindCSSCLI-v4.3.3-00553dd33b62f0dc34b48d2105da59800a1c209dd0db89bd213f6bcf26b276f2/tailwindcss.artifactbundleindex': No supported archive was found for 'arm64-apple-macos15.4'fatalError
Resolved source packages:
  spi-builder-workspace: (null)
2026-08-13 11:01:30.445 xcodebuild[873:4584] Writing error result bundle to /var/folders/5k/5yc19ymj0jqd5v0zvgfqz0xw0000gn/T/ResultBundle_2026-13-08_11-01-0030.xcresult
xcodebuild: error: Could not resolve package dependencies:
  failed retrieving 'https://github.com/laosb/SwiftTailwind/releases/download/TailwindCSSCLI-v4.3.3-00553dd33b62f0dc34b48d2105da59800a1c209dd0db89bd213f6bcf26b276f2/tailwindcss.artifactbundleindex': No supported archive was found for 'arm64-apple-macos15.4'
  fatalError
BUILD FAILURE 6.1 watchOS