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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 ShrinkItArchive, reference 1.3.1 (e7e4ab), with Swift 6.1 for macOS (SPM) on 29 Apr 2025 09:13:24 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/bastie/ShrinkItArchive.git
Reference: 1.3.1
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/bastie/ShrinkItArchive
 * tag               1.3.1      -> FETCH_HEAD
HEAD is now at e7e4ab9 BugFix CRC16 table
Cloned https://github.com/bastie/ShrinkItArchive.git
Revision (git rev-parse @):
e7e4ab922db25fa6bd47b2f2d2764f2cece60aac
SUCCESS checkout https://github.com/bastie/ShrinkItArchive.git at 1.3.1
Fetching https://github.com/bastie/JavApi4Swift.git
[1/31254] Fetching javapi4swift
Fetched https://github.com/bastie/JavApi4Swift.git from cache (7.49s)
Computing version for https://github.com/bastie/JavApi4Swift.git
Computed https://github.com/bastie/JavApi4Swift.git at 0.25.0 (7.95s)
Creating working copy for https://github.com/bastie/JavApi4Swift.git
Working copy of https://github.com/bastie/JavApi4Swift.git resolved at 0.25.0
========================================
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": "shrinkitarchive",
      "name": "ShrinkItArchive",
      "url": "https://github.com/bastie/ShrinkItArchive.git",
      "version": "unspecified",
      "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/ShrinkItArchive",
      "dependencies": [
        {
          "identity": "javapi4swift",
          "name": "JavApi⁴Swift",
          "url": "https://github.com/bastie/JavApi4Swift.git",
          "version": "0.25.0",
          "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/JavApi4Swift",
          "dependencies": [
          ]
        }
      ]
    }
  ]
}
Fetching https://github.com/bastie/ShrinkItArchive.git
[1/698] Fetching shrinkitarchive
Fetched https://github.com/bastie/ShrinkItArchive.git from cache (0.88s)
Fetching https://github.com/bastie/JavApi4Swift.git from cache
Fetched https://github.com/bastie/JavApi4Swift.git from cache (0.47s)
Computing version for https://github.com/bastie/JavApi4Swift.git
Computed https://github.com/bastie/JavApi4Swift.git at 0.25.0 (0.53s)
Creating working copy for https://github.com/bastie/JavApi4Swift.git
Working copy of https://github.com/bastie/JavApi4Swift.git resolved at 0.25.0
Creating working copy for https://github.com/bastie/ShrinkItArchive.git
Working copy of https://github.com/bastie/ShrinkItArchive.git resolved at 1.3.1 (e7e4ab9)
Found 1 product dependencies
  - JavApi⁴Swift
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             6.1
Building package at path:  $PWD
https://github.com/bastie/ShrinkItArchive.git
https://github.com/bastie/ShrinkItArchive.git
{
  "dependencies" : [
    {
      "identity" : "javapi4swift",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "0.15.0",
            "upper_bound" : "1.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/bastie/JavApi4Swift.git"
    }
  ],
  "manifest_display_name" : "ShrinkItArchive",
  "name" : "ShrinkItArchive",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "macos",
      "version" : "13.0"
    },
    {
      "name" : "visionos",
      "version" : "1.0"
    },
    {
      "name" : "ios",
      "version" : "16.0"
    },
    {
      "name" : "tvos",
      "version" : "16.0"
    }
  ],
  "products" : [
    {
      "name" : "ShrinkItArchive",
      "targets" : [
        "ShrinkItArchive"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    },
    {
      "name" : "NufxScan",
      "targets" : [
        "NufxScan"
      ],
      "type" : {
        "executable" : null
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "ShrinkItArchiveTests",
      "module_type" : "SwiftTarget",
      "name" : "ShrinkItArchiveTests",
      "path" : "Tests/ShrinkItArchiveTests",
      "sources" : [
        "CRC16Test.swift"
      ],
      "target_dependencies" : [
        "ShrinkItArchive"
      ],
      "type" : "test"
    },
    {
      "c99name" : "ShrinkItArchive",
      "module_type" : "SwiftTarget",
      "name" : "ShrinkItArchive",
      "path" : "Sources/ShrinkItArchive",
      "product_dependencies" : [
        "JavApi"
      ],
      "product_memberships" : [
        "ShrinkItArchive",
        "NufxScan"
      ],
      "sources" : [
        "CRC16.swift",
        "HeaderBlock.swift",
        "HeaderConstants.swift",
        "MasterHeaderBlock.swift",
        "NuFileArchive.swift",
        "ShrinkItArchiveIntQueue.swift",
        "ThreadClass.swift",
        "ThreadFormat.swift",
        "ThreadKind.swift",
        "ThreadRecord.swift",
        "TimeRec.swift",
        "io/BitConstants.swift",
        "io/BitInputStream.swift",
        "io/BitOutputStream.swift",
        "io/ByteConstants.swift",
        "io/LittleEndianByteInputStream.swift",
        "io/LittleEndianByteOutputStream.swift",
        "io/LzwInputStream.swift",
        "io/LzwOutputStream.swift",
        "io/NufxLzw1InputStream.swift",
        "io/NufxLzw2InputStream.swift",
        "io/RleInputStream.swift",
        "io/RleOutputStream.swift"
      ],
      "type" : "library"
    },
    {
      "c99name" : "NufxScan",
      "module_type" : "SwiftTarget",
      "name" : "NufxScan",
      "path" : "Sources/NufxScan",
      "product_dependencies" : [
        "JavApi"
      ],
      "product_memberships" : [
        "NufxScan"
      ],
      "sources" : [
        "NuFxFileFilter.swift",
        "NufxScan.swift"
      ],
      "target_dependencies" : [
        "ShrinkItArchive"
      ],
      "type" : "executable"
    }
  ],
  "tools_version" : "5.10"
}
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 executable 'NufxScan' requires macos 13.0, but depends on the product 'JavApi' which requires macos 15.0; consider changing the executable 'NufxScan' to require macos 15.0 or later, or the product 'JavApi' to require macos 13.0 or earlier.
error: the library 'ShrinkItArchive' requires macos 13.0, but depends on the product 'JavApi' which requires macos 15.0; consider changing the library 'ShrinkItArchive' to require macos 15.0 or later, or the product 'JavApi' to require macos 13.0 or earlier.
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-16.3.0.app xcrun swift build --arch arm64
error: the executable 'NufxScan' requires macos 13.0, but depends on the product 'JavApi' which requires macos 15.0; consider changing the executable 'NufxScan' to require macos 15.0 or later, or the product 'JavApi' to require macos 13.0 or earlier.
error: the library 'ShrinkItArchive' requires macos 13.0, but depends on the product 'JavApi' which requires macos 15.0; consider changing the library 'ShrinkItArchive' to require macos 15.0 or later, or the product 'JavApi' to require macos 13.0 or earlier.
BUILD FAILURE 6.1 macosSpm