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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 PackageBuildInfo, reference master (b58288), with Swift 6.0 for macOS (SPM) on 2 Dec 2024 12:56:23 UTC.

Build Command

env DEVELOPER_DIR=/Applications/Xcode-16.1.0.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

Build Log

========================================
RunAll
========================================
Builder version: 4.58.2
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/DimaRU/PackageBuildInfo.git
Reference: master
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/DimaRU/PackageBuildInfo
 * branch            master     -> FETCH_HEAD
 * [new branch]      master     -> origin/master
HEAD is now at b58288c Merge pull request #5 from mattes-bru/master
Cloned https://github.com/DimaRU/PackageBuildInfo.git
Revision (git rev-parse @):
b58288cada24fdaaedaaa329afe52d910794fdb2
SUCCESS checkout https://github.com/DimaRU/PackageBuildInfo.git at master
========================================
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": "packagebuildinfo",
      "name": "PackageBuildInfo",
      "url": "https://github.com/DimaRU/PackageBuildInfo.git",
      "version": "unspecified",
      "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/PackageBuildInfo",
      "dependencies": [
      ]
    }
  ]
}
Fetching https://github.com/DimaRU/PackageBuildInfo.git
[1/133] Fetching packagebuildinfo
Fetched https://github.com/DimaRU/PackageBuildInfo.git from cache (0.79s)
Creating working copy for https://github.com/DimaRU/PackageBuildInfo.git
Working copy of https://github.com/DimaRU/PackageBuildInfo.git resolved at master (b58288c)
warning: '.resolve-product-dependencies': dependency 'packagebuildinfo' is not used by any target
Found 0 product dependencies
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             6.0
Building package at path:  $PWD
https://github.com/DimaRU/PackageBuildInfo.git
{
  "dependencies" : [
  ],
  "manifest_display_name" : "PackageBuildInfo",
  "name" : "PackageBuildInfo",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
  ],
  "products" : [
    {
      "name" : "PackageBuildInfoPlugin",
      "targets" : [
        "PackageBuildInfoPlugin"
      ],
      "type" : {
        "plugin" : null
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "PackageBuildInfoPlugin",
      "module_type" : "PluginTarget",
      "name" : "PackageBuildInfoPlugin",
      "path" : "Plugins/PackageBuildInfoPlugin",
      "plugin_capability" : {
        "type" : "buildTool"
      },
      "product_memberships" : [
        "PackageBuildInfoPlugin"
      ],
      "sources" : [
        "plugin.swift"
      ],
      "target_dependencies" : [
        "PackageBuildInfo"
      ],
      "type" : "plugin"
    },
    {
      "c99name" : "PackageBuildInfo",
      "module_type" : "BinaryTarget",
      "name" : "PackageBuildInfo",
      "path" : "Binaries/PackageBuildInfo.artifactbundle",
      "product_memberships" : [
        "PackageBuildInfoPlugin"
      ],
      "sources" : [
      ],
      "type" : "binary"
    }
  ],
  "tools_version" : "5.6"
}
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-16.1.0.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`.
BUILD FAILURE 6.0 macosSpm