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Track the adoption of Swift 6 strict concurrency checks for data race safety. How many packages are Ready for Swift 6?

Build Information

Failed to build SwiftLintPlugin, reference 0.51.0 (7d24ed), with Swift 6.1 for macOS (SPM) on 27 Apr 2025 12:49:29 UTC.

Build Command

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

Build Log

========================================
RunAll
========================================
Builder version: 4.61.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/adamayoung/swiftlint-plugin.git
Reference: 0.51.0
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/adamayoung/swiftlint-plugin
 * tag               0.51.0     -> FETCH_HEAD
HEAD is now at 7d24ed4 Fix Plugin from command line bug (#5)
Cloned https://github.com/adamayoung/swiftlint-plugin.git
Revision (git rev-parse @):
7d24ed447bda289b7770d91051e8f14c91564a18
SUCCESS checkout https://github.com/adamayoung/swiftlint-plugin.git at 0.51.0
Downloading binary artifact https://github.com/realm/SwiftLint/releases/download/0.51.0/SwiftLintBinary-macos.artifactbundle.zip
[16375/9062333] Downloading https://github.com/realm/SwiftLint/releases/download/0.51.0/SwiftLintBinary-macos.artifactbundle.zip
Downloaded https://github.com/realm/SwiftLint/releases/download/0.51.0/SwiftLintBinary-macos.artifactbundle.zip (1.44s)
========================================
ResolveProductDependencies
========================================
Resolving dependencies ...
{
  "identity": ".resolve-product-dependencies",
  "name": "resolve-dependencies",
  "url": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies",
  "version": "unspecified",
  "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies",
  "dependencies": [
    {
      "identity": "swiftlint-plugin",
      "name": "SwiftLintPlugin",
      "url": "https://github.com/adamayoung/swiftlint-plugin.git",
      "version": "unspecified",
      "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/swiftlint-plugin",
      "dependencies": [
      ]
    }
  ]
}
Fetching https://github.com/adamayoung/swiftlint-plugin.git
[1/70] Fetching swiftlint-plugin
Fetched https://github.com/adamayoung/swiftlint-plugin.git from cache (0.62s)
Creating working copy for https://github.com/adamayoung/swiftlint-plugin.git
Working copy of https://github.com/adamayoung/swiftlint-plugin.git resolved at 0.51.0 (7d24ed4)
Fetching binary artifact https://github.com/realm/SwiftLint/releases/download/0.51.0/SwiftLintBinary-macos.artifactbundle.zip from cache
Fetched https://github.com/realm/SwiftLint/releases/download/0.51.0/SwiftLintBinary-macos.artifactbundle.zip from cache (0.39s)
Found 0 product dependencies
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             6.1
Building package at path:  $PWD
https://github.com/adamayoung/swiftlint-plugin.git
https://github.com/adamayoung/swiftlint-plugin.git
{
  "dependencies" : [
  ],
  "manifest_display_name" : "SwiftLintPlugin",
  "name" : "SwiftLintPlugin",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
  ],
  "products" : [
    {
      "name" : "SwiftLintPlugin",
      "targets" : [
        "SwiftLintPlugin"
      ],
      "type" : {
        "plugin" : null
      }
    },
    {
      "name" : "SwiftLint",
      "targets" : [
        "SwiftLint"
      ],
      "type" : {
        "plugin" : null
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "SwiftLintPlugin",
      "module_type" : "PluginTarget",
      "name" : "SwiftLintPlugin",
      "path" : "Plugins/SwiftLintPlugin",
      "plugin_capability" : {
        "type" : "buildTool"
      },
      "product_memberships" : [
        "SwiftLintPlugin"
      ],
      "sources" : [
        "Path+Helpers.swift",
        "SwiftLintPlugin.swift"
      ],
      "target_dependencies" : [
        "SwiftLintBinary"
      ],
      "type" : "plugin"
    },
    {
      "c99name" : "SwiftLintBinary",
      "module_type" : "BinaryTarget",
      "name" : "SwiftLintBinary",
      "path" : "remote/archive/SwiftLintBinary-macos.artifactbundle.zip",
      "product_memberships" : [
        "SwiftLintPlugin",
        "SwiftLint"
      ],
      "sources" : [
      ],
      "type" : "binary"
    },
    {
      "c99name" : "SwiftLint",
      "module_type" : "PluginTarget",
      "name" : "SwiftLint",
      "path" : "Plugins/SwiftLint",
      "plugin_capability" : {
        "intent" : {
          "description" : "Switlint.",
          "type" : "custom",
          "verb" : "swiftlint"
        },
        "permissions" : [
        ],
        "type" : "command"
      },
      "product_memberships" : [
        "SwiftLint"
      ],
      "sources" : [
        "SwiftLintCommandPlugin.swift"
      ],
      "target_dependencies" : [
        "SwiftLintBinary"
      ],
      "type" : "plugin"
    }
  ],
  "tools_version" : "5.7"
}
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 -Xswiftc -strict-concurrency=complete -Xswiftc -enable-upcoming-feature -Xswiftc StrictConcurrency -Xswiftc -enable-upcoming-feature -Xswiftc DisableOutwardActorInference -Xswiftc -enable-upcoming-feature -Xswiftc GlobalActorIsolatedTypesUsability -Xswiftc -enable-upcoming-feature -Xswiftc InferSendableFromCaptures
error: The package does not contain a buildable target.
Add at least one `.target` or `.executableTarget` to your `Package.swift`.
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-16.3.0.app xcrun swift build --arch arm64
error: The package does not contain a buildable target.
Add at least one `.target` or `.executableTarget` to your `Package.swift`.
BUILD FAILURE 6.1 macosSpm