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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

Successful build of LSKit, reference main (20911f), with Swift 6.1 for macOS (SPM) on 29 Apr 2025 13:33:55 UTC.

Swift 6 data race errors: 0

Build Command

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

Build Log

========================================
RunAll
========================================
Builder version: 4.61.1
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/divadretlaw/lskit.git
Reference: main
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/divadretlaw/lskit
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at 20911f6 Add basic progress
Cloned https://github.com/divadretlaw/lskit.git
Revision (git rev-parse @):
20911f68fef6f9f46bdd97df5bc119abd0d45be4
SUCCESS checkout https://github.com/divadretlaw/lskit.git at main
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             6.1
Building package at path:  $PWD
https://github.com/divadretlaw/lskit.git
https://github.com/divadretlaw/lskit.git
{
  "dependencies" : [
    {
      "identity" : "binaryutils",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "1.1.0",
            "upper_bound" : "2.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/divadretlaw/BinaryUtils.git"
    },
    {
      "identity" : "zstd",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "1.5.6",
            "upper_bound" : "2.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/facebook/zstd"
    }
  ],
  "manifest_display_name" : "LSKit",
  "name" : "LSKit",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "macos",
      "version" : "12.0"
    },
    {
      "name" : "ios",
      "version" : "15.0"
    },
    {
      "name" : "visionos",
      "version" : "1.0"
    }
  ],
  "products" : [
    {
      "name" : "LSKit",
      "targets" : [
        "LSKit"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "LSKitTests",
      "module_type" : "SwiftTarget",
      "name" : "LSKitTests",
      "path" : "Tests/LSKitTests",
      "resources" : [
        {
          "path" : "/Users/admin/builder/spi-builder-workspace/Tests/LSKitTests/Resources/Gold Weight Zero.pak",
          "rule" : {
            "process" : {
            }
          }
        },
        {
          "path" : "/Users/admin/builder/spi-builder-workspace/Tests/LSKitTests/Resources/ModFixer.pak",
          "rule" : {
            "process" : {
            }
          }
        },
        {
          "path" : "/Users/admin/builder/spi-builder-workspace/Tests/LSKitTests/Resources/meta.lsx",
          "rule" : {
            "process" : {
            }
          }
        },
        {
          "path" : "/Users/admin/builder/spi-builder-workspace/Tests/LSKitTests/Resources/modsettings.lsx",
          "rule" : {
            "process" : {
            }
          }
        }
      ],
      "sources" : [
        "DataExtensionTests.swift",
        "Helper/XCTTemporaryDirectory.swift",
        "JSONTests.swift",
        "LSPKTests.swift",
        "LSXTests.swift"
      ],
      "target_dependencies" : [
        "LSKit"
      ],
      "type" : "test"
    },
    {
      "c99name" : "LSKit",
      "module_type" : "SwiftTarget",
      "name" : "LSKit",
      "path" : "Sources/LSKit",
      "product_dependencies" : [
        "BinaryUtils",
        "libzstd"
      ],
      "product_memberships" : [
        "LSKit"
      ],
      "sources" : [
        "Common/XmlConvertible.swift",
        "Extensions/Sequence+Extensions.swift",
        "Extensions/String+Extensions.swift",
        "Extensions/UTType+Extensions.swift",
        "JSON/ModInfo.swift",
        "LSPK/FileEntry/LSPKFileEntry+Compression.swift",
        "LSPK/FileEntry/LSPKFileEntry.swift",
        "LSPK/FileEntry/LSPKFileEntry10.swift",
        "LSPK/FileEntry/LSPKFileEntry15.swift",
        "LSPK/FileEntry/LSPKFileEntry18.swift",
        "LSPK/Header/LSPKHeader.swift",
        "LSPK/Header/LSPKHeader10.swift",
        "LSPK/Header/LSPKHeader15.swift",
        "LSPK/Header/LSPKHeader16.swift",
        "LSPK/LSPK+Pack.swift",
        "LSPK/LSPK+Unpack.swift",
        "LSPK/LSPK.swift",
        "LSPK/LSPKConfiguration.swift",
        "LSPK/LSPKError.swift",
        "LSPK/LSPKVersion.swift",
        "LSPK/ModLSPK.swift",
        "LSX/Content/LSX+Config.swift",
        "LSX/Content/LSX+ModuleSettings.swift",
        "LSX/Content/LSXNode+ConfigEntry.swift",
        "LSX/Content/LSXNode+Module.swift",
        "LSX/Content/LSXNode+ModuleInfo.swift",
        "LSX/Content/LSXNode+ModuleShortDesc.swift",
        "LSX/Content/LSXNode+PublishVersion.swift",
        "LSX/LSX.swift",
        "LSX/LSXAttribute.swift",
        "LSX/LSXNode.swift",
        "LSX/LSXParser.swift",
        "LSX/LSXRegion.swift",
        "LSX/LSXVersion.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
Building for debugging...
[0/34] Compiling debug.c
[1/34] Compiling threading.c
[2/34] Write swift-version-2F0A5646E1D333AE.txt
[3/34] Compiling entropy_common.c
[4/34] Compiling fse_decompress.c
[5/34] Compiling xxhash.c
[6/34] Compiling pool.c
[7/34] Compiling huf_decompress_amd64.S
[8/34] Compiling error_private.c
[9/34] Compiling cover.c
[10/34] Compiling fastcover.c
[11/34] Compiling zstd_ddict.c
[12/34] Compiling zdict.c
[13/34] Compiling zstd_decompress.c
[14/34] Compiling divsufsort.c
[15/34] Compiling zstd_preSplit.c
[16/34] Compiling zstdmt_compress.c
[17/34] Compiling zstd_decompress_block.c
[18/34] Compiling huf_decompress.c
[19/34] Compiling zstd_ldm.c
[20/34] Compiling zstd_compress_sequences.c
[21/34] Compiling zstd_compress_superblock.c
[22/34] Compiling hist.c
[22/34] Write sources
[25/34] Compiling zstd_fast.c
[26/34] Compiling zstd_compress_literals.c
[27/34] Compiling zstd_opt.c
[28/34] Compiling zstd_double_fast.c
[29/34] Compiling zstd_common.c
[30/34] Compiling fse_compress.c
[31/34] Compiling huf_compress.c
[32/56] Compiling zstd_compress.c
[33/56] Compiling zstd_lazy.c
[35/56] Emitting module BinaryUtils
[36/58] Compiling BinaryUtils MD5.swift
[37/58] Compiling BinaryUtils FileHandleIterator.swift
[38/58] Compiling BinaryUtils FileHandleDecoder.swift
[39/58] Compiling BinaryUtils FileHandleKeyedDecoder.swift
[40/58] Compiling BinaryUtils DataDecoder.swift
[41/58] Compiling BinaryUtils DataKeyedDecodingContainer.swift
[42/58] Compiling BinaryUtils DataSingleValueDecodingContainer.swift
[43/58] Compiling BinaryUtils DataUnkeyedDecodingContainer.swift
[44/58] Compiling BinaryUtils DataEncoder.swift
[45/58] Compiling BinaryUtils DataKeyedEncodingContainer.swift
[46/58] Compiling BinaryUtils FileHandleSingleValueDecodingContainer.swift
[47/58] Compiling BinaryUtils FileHandleUnkeyedDecodingContainer.swift
[48/58] Compiling BinaryUtils String+Extensions.swift
[49/58] Compiling BinaryUtils UInt64+Extensions.swift
[50/58] Compiling BinaryUtils Data+Init.swift
[51/58] Compiling BinaryUtils FileHandle+Extensions.swift
[52/58] Compiling BinaryUtils DataSingleValueEncodingContainer.swift
[53/58] Compiling BinaryUtils DataUnkeyedEncodingContainer.swift
[54/58] Compiling BinaryUtils Data+Compression.swift
[55/58] Compiling BinaryUtils Data+Helper.swift
[56/58] Compiling BinaryUtils BinaryDecoder.swift
[57/58] Compiling BinaryUtils BinaryEncoder.swift
[58/58] Compiling BinaryUtils BinaryCodingKey.swift
[59/90] Emitting module LSKit
[60/93] Compiling LSKit LSXNode+ModuleInfo.swift
[61/93] Compiling LSKit LSXNode+ModuleShortDesc.swift
[62/93] Compiling LSKit LSXNode+PublishVersion.swift
[63/93] Compiling LSKit LSX.swift
[64/93] Compiling LSKit LSXAttribute.swift
[65/93] Compiling LSKit LSXNode.swift
[66/93] Compiling LSKit LSPKVersion.swift
[67/93] Compiling LSKit ModLSPK.swift
[68/93] Compiling LSKit LSX+Config.swift
[69/93] Compiling LSKit LSXParser.swift
[70/93] Compiling LSKit LSXRegion.swift
[71/93] Compiling LSKit LSXVersion.swift
[72/93] Compiling LSKit LSPK.swift
[73/93] Compiling LSKit LSPKConfiguration.swift
[74/93] Compiling LSKit LSPKError.swift
[75/93] Compiling LSKit ModInfo.swift
[76/93] Compiling LSKit LSPKFileEntry+Compression.swift
[77/93] Compiling LSKit LSPKFileEntry.swift
[78/93] Compiling LSKit LSPKFileEntry10.swift
[79/93] Compiling LSKit LSX+ModuleSettings.swift
[80/93] Compiling LSKit LSXNode+ConfigEntry.swift
[81/93] Compiling LSKit LSXNode+Module.swift
[82/93] Compiling LSKit LSPKFileEntry15.swift
[83/93] Compiling LSKit LSPKFileEntry18.swift
[84/93] Compiling LSKit LSPKHeader.swift
[85/93] Compiling LSKit LSPKHeader10.swift
[86/93] Compiling LSKit LSPKHeader15.swift
/Users/admin/builder/spi-builder-workspace/Sources/LSKit/LSPK/LSPK+Pack.swift:55:41: warning: instance method 'makeIterator' is unavailable from asynchronous contexts; this is an error in the Swift 6 language mode; this is an error in the Swift 6 language mode
 53 |         // Determine entry file urls
 54 |         var entryUrls: [URL] = []
 55 |         for case let entryUrl as URL in enumerator {
    |                                         `- warning: instance method 'makeIterator' is unavailable from asynchronous contexts; this is an error in the Swift 6 language mode; this is an error in the Swift 6 language mode
 56 |             let resourceValues = try entryUrl.resourceValues(forKeys: resourceKeys)
 57 |             guard resourceValues.isDirectory == false else {
[87/93] Compiling LSKit LSPKHeader16.swift
/Users/admin/builder/spi-builder-workspace/Sources/LSKit/LSPK/LSPK+Pack.swift:55:41: warning: instance method 'makeIterator' is unavailable from asynchronous contexts; this is an error in the Swift 6 language mode; this is an error in the Swift 6 language mode
 53 |         // Determine entry file urls
 54 |         var entryUrls: [URL] = []
 55 |         for case let entryUrl as URL in enumerator {
    |                                         `- warning: instance method 'makeIterator' is unavailable from asynchronous contexts; this is an error in the Swift 6 language mode; this is an error in the Swift 6 language mode
 56 |             let resourceValues = try entryUrl.resourceValues(forKeys: resourceKeys)
 57 |             guard resourceValues.isDirectory == false else {
[88/93] Compiling LSKit LSPK+Pack.swift
/Users/admin/builder/spi-builder-workspace/Sources/LSKit/LSPK/LSPK+Pack.swift:55:41: warning: instance method 'makeIterator' is unavailable from asynchronous contexts; this is an error in the Swift 6 language mode; this is an error in the Swift 6 language mode
 53 |         // Determine entry file urls
 54 |         var entryUrls: [URL] = []
 55 |         for case let entryUrl as URL in enumerator {
    |                                         `- warning: instance method 'makeIterator' is unavailable from asynchronous contexts; this is an error in the Swift 6 language mode; this is an error in the Swift 6 language mode
 56 |             let resourceValues = try entryUrl.resourceValues(forKeys: resourceKeys)
 57 |             guard resourceValues.isDirectory == false else {
[89/93] Compiling LSKit LSPK+Unpack.swift
/Users/admin/builder/spi-builder-workspace/Sources/LSKit/LSPK/LSPK+Pack.swift:55:41: warning: instance method 'makeIterator' is unavailable from asynchronous contexts; this is an error in the Swift 6 language mode; this is an error in the Swift 6 language mode
 53 |         // Determine entry file urls
 54 |         var entryUrls: [URL] = []
 55 |         for case let entryUrl as URL in enumerator {
    |                                         `- warning: instance method 'makeIterator' is unavailable from asynchronous contexts; this is an error in the Swift 6 language mode; this is an error in the Swift 6 language mode
 56 |             let resourceValues = try entryUrl.resourceValues(forKeys: resourceKeys)
 57 |             guard resourceValues.isDirectory == false else {
[90/93] Compiling LSKit XmlConvertible.swift
[91/93] Compiling LSKit Sequence+Extensions.swift
[92/93] Compiling LSKit String+Extensions.swift
[93/93] Compiling LSKit UTType+Extensions.swift
Build complete! (15.97s)
Fetching https://github.com/divadretlaw/BinaryUtils.git
Fetching https://github.com/facebook/zstd
[1/266] Fetching binaryutils
[267/81970] Fetching binaryutils, zstd
Fetched https://github.com/divadretlaw/BinaryUtils.git from cache (3.25s)
Fetched https://github.com/facebook/zstd from cache (3.25s)
Computing version for https://github.com/divadretlaw/BinaryUtils.git
Computed https://github.com/divadretlaw/BinaryUtils.git at 1.1.0 (4.47s)
Computing version for https://github.com/facebook/zstd
Computed https://github.com/facebook/zstd at 1.5.7 (0.61s)
Creating working copy for https://github.com/facebook/zstd
Working copy of https://github.com/facebook/zstd resolved at 1.5.7
Creating working copy for https://github.com/divadretlaw/BinaryUtils.git
Working copy of https://github.com/divadretlaw/BinaryUtils.git resolved at 1.1.0
Build complete.
{
  "dependencies" : [
    {
      "identity" : "binaryutils",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "1.1.0",
            "upper_bound" : "2.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/divadretlaw/BinaryUtils.git"
    },
    {
      "identity" : "zstd",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "1.5.6",
            "upper_bound" : "2.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/facebook/zstd"
    }
  ],
  "manifest_display_name" : "LSKit",
  "name" : "LSKit",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "macos",
      "version" : "12.0"
    },
    {
      "name" : "ios",
      "version" : "15.0"
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      "name" : "visionos",
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  "products" : [
    {
      "name" : "LSKit",
      "targets" : [
        "LSKit"
      ],
      "type" : {
        "library" : [
          "automatic"
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      }
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  ],
  "targets" : [
    {
      "c99name" : "LSKitTests",
      "module_type" : "SwiftTarget",
      "name" : "LSKitTests",
      "path" : "Tests/LSKitTests",
      "resources" : [
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          "path" : "/Users/admin/builder/spi-builder-workspace/Tests/LSKitTests/Resources/Gold Weight Zero.pak",
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          "path" : "/Users/admin/builder/spi-builder-workspace/Tests/LSKitTests/Resources/ModFixer.pak",
          "rule" : {
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        {
          "path" : "/Users/admin/builder/spi-builder-workspace/Tests/LSKitTests/Resources/meta.lsx",
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          "path" : "/Users/admin/builder/spi-builder-workspace/Tests/LSKitTests/Resources/modsettings.lsx",
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      "sources" : [
        "DataExtensionTests.swift",
        "Helper/XCTTemporaryDirectory.swift",
        "JSONTests.swift",
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        "LSXTests.swift"
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        "LSKit"
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    {
      "c99name" : "LSKit",
      "module_type" : "SwiftTarget",
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      "path" : "Sources/LSKit",
      "product_dependencies" : [
        "BinaryUtils",
        "libzstd"
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      "product_memberships" : [
        "LSKit"
      ],
      "sources" : [
        "Common/XmlConvertible.swift",
        "Extensions/Sequence+Extensions.swift",
        "Extensions/String+Extensions.swift",
        "Extensions/UTType+Extensions.swift",
        "JSON/ModInfo.swift",
        "LSPK/FileEntry/LSPKFileEntry+Compression.swift",
        "LSPK/FileEntry/LSPKFileEntry.swift",
        "LSPK/FileEntry/LSPKFileEntry10.swift",
        "LSPK/FileEntry/LSPKFileEntry15.swift",
        "LSPK/FileEntry/LSPKFileEntry18.swift",
        "LSPK/Header/LSPKHeader.swift",
        "LSPK/Header/LSPKHeader10.swift",
        "LSPK/Header/LSPKHeader15.swift",
        "LSPK/Header/LSPKHeader16.swift",
        "LSPK/LSPK+Pack.swift",
        "LSPK/LSPK+Unpack.swift",
        "LSPK/LSPK.swift",
        "LSPK/LSPKConfiguration.swift",
        "LSPK/LSPKError.swift",
        "LSPK/LSPKVersion.swift",
        "LSPK/ModLSPK.swift",
        "LSX/Content/LSX+Config.swift",
        "LSX/Content/LSX+ModuleSettings.swift",
        "LSX/Content/LSXNode+ConfigEntry.swift",
        "LSX/Content/LSXNode+Module.swift",
        "LSX/Content/LSXNode+ModuleInfo.swift",
        "LSX/Content/LSXNode+ModuleShortDesc.swift",
        "LSX/Content/LSXNode+PublishVersion.swift",
        "LSX/LSX.swift",
        "LSX/LSXAttribute.swift",
        "LSX/LSXNode.swift",
        "LSX/LSXParser.swift",
        "LSX/LSXRegion.swift",
        "LSX/LSXVersion.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.9"
}
Done.