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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 SpeziLicense, reference 0.1.1 (2249ce), with Swift 6.1 for macOS (SPM) on 29 Apr 2025 06:18:14 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/StanfordSpezi/SpeziLicense.git
Reference: 0.1.1
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/StanfordSpezi/SpeziLicense
 * tag               0.1.1      -> FETCH_HEAD
HEAD is now at 2249ce6 Minor changes for Strict Concurrency (#4)
Cloned https://github.com/StanfordSpezi/SpeziLicense.git
Revision (git rev-parse @):
2249ce615a624a072834e31e7906b779ba82b824
SPI manifest file found: $PWD/.spi.yml
SUCCESS checkout https://github.com/StanfordSpezi/SpeziLicense.git at 0.1.1
Fetching https://github.com/StanfordSpezi/Spezi
Fetching https://github.com/FelixHerrmann/swift-package-list.git
[1/9093] Fetching spezi
[92/12257] Fetching spezi, swift-package-list
Fetched https://github.com/StanfordSpezi/Spezi from cache (1.12s)
Fetched https://github.com/FelixHerrmann/swift-package-list.git from cache (1.12s)
Computing version for https://github.com/StanfordSpezi/Spezi
Computed https://github.com/StanfordSpezi/Spezi at 1.8.1 (1.83s)
Fetching https://github.com/StanfordSpezi/SpeziFoundation.git
Fetching https://github.com/StanfordBDHG/XCTRuntimeAssertions.git
Fetching https://github.com/apple/swift-collections.git from cache
[1/534] Fetching xctruntimeassertions
[130/1304] Fetching xctruntimeassertions, spezifoundation
Fetched https://github.com/apple/swift-collections.git from cache (0.69s)
Fetched https://github.com/StanfordBDHG/XCTRuntimeAssertions.git from cache (0.79s)
Fetched https://github.com/StanfordSpezi/SpeziFoundation.git from cache (0.79s)
Computing version for https://github.com/StanfordBDHG/XCTRuntimeAssertions.git
Computed https://github.com/StanfordBDHG/XCTRuntimeAssertions.git at 1.1.3 (1.40s)
Computing version for https://github.com/apple/swift-collections.git
Computed https://github.com/apple/swift-collections.git at 1.1.4 (0.69s)
Computing version for https://github.com/StanfordSpezi/SpeziFoundation.git
Computed https://github.com/StanfordSpezi/SpeziFoundation.git at 2.1.5 (0.61s)
Fetching https://github.com/apple/swift-algorithms.git from cache
Fetching https://github.com/apple/swift-atomics.git from cache
Fetched https://github.com/apple/swift-atomics.git from cache (0.41s)
Fetched https://github.com/apple/swift-algorithms.git from cache (0.42s)
Computing version for https://github.com/apple/swift-atomics.git
Computed https://github.com/apple/swift-atomics.git at 1.2.0 (0.93s)
Computing version for https://github.com/apple/swift-algorithms.git
Computed https://github.com/apple/swift-algorithms.git at 1.2.1 (0.59s)
Fetching https://github.com/apple/swift-numerics.git from cache
Fetched https://github.com/apple/swift-numerics.git from cache (0.41s)
Computing version for https://github.com/apple/swift-numerics.git
Computed https://github.com/apple/swift-numerics.git at 1.0.3 (1.05s)
Computing version for https://github.com/FelixHerrmann/swift-package-list.git
Computed https://github.com/FelixHerrmann/swift-package-list.git at 4.7.2 (0.47s)
Fetching https://github.com/apple/swift-argument-parser from cache
Fetched https://github.com/apple/swift-argument-parser from cache (0.62s)
Computing version for https://github.com/apple/swift-argument-parser
Computed https://github.com/apple/swift-argument-parser at 1.5.0 (1.12s)
Creating working copy for https://github.com/apple/swift-collections.git
Working copy of https://github.com/apple/swift-collections.git resolved at 1.1.4
Creating working copy for https://github.com/StanfordSpezi/Spezi
Working copy of https://github.com/StanfordSpezi/Spezi resolved at 1.8.1
Creating working copy for https://github.com/FelixHerrmann/swift-package-list.git
Working copy of https://github.com/FelixHerrmann/swift-package-list.git resolved at 4.7.2
Creating working copy for https://github.com/StanfordSpezi/SpeziFoundation.git
Working copy of https://github.com/StanfordSpezi/SpeziFoundation.git resolved at 2.1.5
Creating working copy for https://github.com/apple/swift-argument-parser
Working copy of https://github.com/apple/swift-argument-parser resolved at 1.5.0
Creating working copy for https://github.com/StanfordBDHG/XCTRuntimeAssertions.git
Working copy of https://github.com/StanfordBDHG/XCTRuntimeAssertions.git resolved at 1.1.3
Creating working copy for https://github.com/apple/swift-numerics.git
Working copy of https://github.com/apple/swift-numerics.git resolved at 1.0.3
Creating working copy for https://github.com/apple/swift-atomics.git
Working copy of https://github.com/apple/swift-atomics.git resolved at 1.2.0
Creating working copy for https://github.com/apple/swift-algorithms.git
Working copy of https://github.com/apple/swift-algorithms.git resolved at 1.2.1
========================================
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": "spezilicense",
      "name": "SpeziLicense",
      "url": "https://github.com/StanfordSpezi/SpeziLicense.git",
      "version": "unspecified",
      "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/SpeziLicense",
      "dependencies": [
        {
          "identity": "swift-package-list",
          "name": "SwiftPackageList",
          "url": "https://github.com/FelixHerrmann/swift-package-list.git",
          "version": "4.7.2",
          "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/swift-package-list",
          "dependencies": [
            {
              "identity": "swift-argument-parser",
              "name": "swift-argument-parser",
              "url": "https://github.com/apple/swift-argument-parser",
              "version": "1.5.0",
              "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/swift-argument-parser",
              "dependencies": [
              ]
            }
          ]
        }
      ]
    }
  ]
}
Fetching https://github.com/StanfordSpezi/SpeziLicense.git
[1/304] Fetching spezilicense
Fetched https://github.com/StanfordSpezi/SpeziLicense.git from cache (0.90s)
Fetching https://github.com/FelixHerrmann/swift-package-list.git from cache
Fetched https://github.com/FelixHerrmann/swift-package-list.git from cache (0.45s)
Computing version for https://github.com/FelixHerrmann/swift-package-list.git
Computed https://github.com/FelixHerrmann/swift-package-list.git at 4.7.2 (0.50s)
Fetching https://github.com/apple/swift-argument-parser from cache
Fetched https://github.com/apple/swift-argument-parser from cache (0.50s)
Computing version for https://github.com/apple/swift-argument-parser
Computed https://github.com/apple/swift-argument-parser at 1.5.0 (0.57s)
Creating working copy for https://github.com/FelixHerrmann/swift-package-list.git
Working copy of https://github.com/FelixHerrmann/swift-package-list.git resolved at 4.7.2
Creating working copy for https://github.com/apple/swift-argument-parser
Working copy of https://github.com/apple/swift-argument-parser resolved at 1.5.0
Creating working copy for https://github.com/StanfordSpezi/SpeziLicense.git
Working copy of https://github.com/StanfordSpezi/SpeziLicense.git resolved at 0.1.1 (2249ce6)
warning: '.resolve-product-dependencies': dependency 'spezilicense' is not used by any target
Found 1 product dependencies
  - SwiftPackageList
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             6.1
Building package at path:  $PWD
https://github.com/StanfordSpezi/SpeziLicense.git
https://github.com/StanfordSpezi/SpeziLicense.git
{
  "default_localization" : "en",
  "dependencies" : [
    {
      "identity" : "swift-package-list",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "4.1.0",
            "upper_bound" : "5.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/FelixHerrmann/swift-package-list.git"
    },
    {
      "identity" : "spezi",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "1.6.0",
            "upper_bound" : "2.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/StanfordSpezi/Spezi"
    }
  ],
  "manifest_display_name" : "SpeziLicense",
  "name" : "SpeziLicense",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "ios",
      "version" : "17.0"
    }
  ],
  "products" : [
    {
      "name" : "SpeziLicense",
      "targets" : [
        "SpeziLicense"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "SpeziLicenseTests",
      "module_type" : "SwiftTarget",
      "name" : "SpeziLicenseTests",
      "path" : "Tests/SpeziLicenseTests",
      "product_dependencies" : [
        "Spezi"
      ],
      "sources" : [
        "SpeziLicenseTests.swift"
      ],
      "target_dependencies" : [
        "SpeziLicense"
      ],
      "type" : "test"
    },
    {
      "c99name" : "SpeziLicense",
      "module_type" : "SwiftTarget",
      "name" : "SpeziLicense",
      "path" : "Sources/SpeziLicense",
      "product_dependencies" : [
        "SwiftPackageList"
      ],
      "product_memberships" : [
        "SpeziLicense"
      ],
      "sources" : [
        "Bundle+ApplicationName.swift",
        "License.swift",
        "Package+LicenseType.swift",
        "PackageHelper.swift",
        "Views/ContributionsList.swift",
        "Views/PackageCell.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.9"
}
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 library 'SpeziLicense' requires macos 10.13, but depends on the product 'SwiftPackageList' which requires macos 10.15; consider changing the library 'SpeziLicense' to require macos 10.15 or later, or the product 'SwiftPackageList' to require macos 10.13 or earlier.
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-16.3.0.app xcrun swift build --arch arm64
error: the library 'SpeziLicense' requires macos 10.13, but depends on the product 'SwiftPackageList' which requires macos 10.15; consider changing the library 'SpeziLicense' to require macos 10.15 or later, or the product 'SwiftPackageList' to require macos 10.13 or earlier.
BUILD FAILURE 6.1 macosSpm