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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 0.5.0 (20911f), with Swift 6.1 for macOS (SPM) on 29 Apr 2025 13:34:23 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: 0.5.0
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/divadretlaw/lskit
 * tag               0.5.0      -> FETCH_HEAD
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 0.5.0
========================================
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 threading.c
[0/34] Compiling debug.c
[2/34] Write swift-version-2F0A5646E1D333AE.txt
[3/34] Compiling pool.c
[4/34] Compiling fse_decompress.c
[5/34] Compiling entropy_common.c
[6/34] Compiling cover.c
[7/34] Compiling divsufsort.c
[8/34] Compiling error_private.c
[9/34] Compiling fastcover.c
[10/34] Compiling zdict.c
[11/34] Compiling huf_decompress_amd64.S
[12/34] Compiling zstd_decompress.c
[13/34] Compiling zstd_ddict.c
[14/34] Compiling zstd_preSplit.c
[15/34] Compiling zstd_ldm.c
[16/34] Compiling zstdmt_compress.c
[17/34] Compiling zstd_compress_superblock.c
[18/34] Compiling huf_decompress.c
[19/34] Compiling zstd_compress_sequences.c
[20/34] Compiling zstd_opt.c
[21/34] Compiling zstd_compress_literals.c
[22/34] Compiling zstd_fast.c
[23/34] Write sources
[25/34] Compiling zstd_double_fast.c
[26/34] Compiling hist.c
[27/34] Compiling zstd_decompress_block.c
[28/34] Compiling fse_compress.c
[29/34] Compiling zstd_common.c
[30/34] Compiling xxhash.c
[31/34] Compiling huf_compress.c
[32/51] Compiling zstd_compress.c
[33/56] Compiling zstd_lazy.c
[35/56] Emitting module BinaryUtils
[36/58] Compiling BinaryUtils FileHandleSingleValueDecodingContainer.swift
[37/58] Compiling BinaryUtils FileHandleUnkeyedDecodingContainer.swift
[38/58] Compiling BinaryUtils DataDecoder.swift
[39/58] Compiling BinaryUtils DataKeyedDecodingContainer.swift
[40/58] Compiling BinaryUtils DataSingleValueDecodingContainer.swift
[41/58] Compiling BinaryUtils MD5.swift
[42/58] Compiling BinaryUtils FileHandleIterator.swift
[43/58] Compiling BinaryUtils String+Extensions.swift
[44/58] Compiling BinaryUtils UInt64+Extensions.swift
[45/58] Compiling BinaryUtils Data+Compression.swift
[46/58] Compiling BinaryUtils Data+Helper.swift
[47/58] Compiling BinaryUtils DataUnkeyedDecodingContainer.swift
[48/58] Compiling BinaryUtils DataEncoder.swift
[49/58] Compiling BinaryUtils DataKeyedEncodingContainer.swift
[50/58] Compiling BinaryUtils DataSingleValueEncodingContainer.swift
[51/58] Compiling BinaryUtils DataUnkeyedEncodingContainer.swift
[52/58] Compiling BinaryUtils BinaryDecoder.swift
[53/58] Compiling BinaryUtils BinaryEncoder.swift
[54/58] Compiling BinaryUtils BinaryCodingKey.swift
[55/58] Compiling BinaryUtils Data+Init.swift
[56/58] Compiling BinaryUtils FileHandle+Extensions.swift
[57/58] Compiling BinaryUtils FileHandleDecoder.swift
[58/58] Compiling BinaryUtils FileHandleKeyedDecoder.swift
[59/90] Emitting module LSKit
[60/93] Compiling LSKit LSPKVersion.swift
[61/93] Compiling LSKit ModLSPK.swift
[62/93] Compiling LSKit LSX+Config.swift
[63/93] Compiling LSKit LSX.swift
[64/93] Compiling LSKit LSXAttribute.swift
[65/93] Compiling LSKit LSXNode.swift
[66/93] Compiling LSKit LSPK.swift
[67/93] Compiling LSKit LSPKConfiguration.swift
[68/93] Compiling LSKit LSPKError.swift
[69/93] Compiling LSKit LSXParser.swift
[70/93] Compiling LSKit LSXRegion.swift
[71/93] Compiling LSKit LSXVersion.swift
[72/93] 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 {
[73/93] 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 {
[74/93] 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 {
[75/93] 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 {
[76/93] Compiling LSKit LSX+ModuleSettings.swift
[77/93] Compiling LSKit LSXNode+ConfigEntry.swift
[78/93] Compiling LSKit LSXNode+Module.swift
[79/93] Compiling LSKit LSXNode+ModuleInfo.swift
[80/93] Compiling LSKit LSXNode+ModuleShortDesc.swift
[81/93] Compiling LSKit LSXNode+PublishVersion.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 ModInfo.swift
[87/93] Compiling LSKit LSPKFileEntry+Compression.swift
[88/93] Compiling LSKit LSPKFileEntry.swift
[89/93] Compiling LSKit LSPKFileEntry10.swift
[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! (15.48s)
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 (3.23s)
Fetched https://github.com/facebook/zstd from cache (3.23s)
Computing version for https://github.com/divadretlaw/BinaryUtils.git
Computed https://github.com/divadretlaw/BinaryUtils.git at 1.1.0 (4.18s)
Computing version for https://github.com/facebook/zstd
Computed https://github.com/facebook/zstd at 1.5.7 (0.55s)
Creating working copy for https://github.com/divadretlaw/BinaryUtils.git
Working copy of https://github.com/divadretlaw/BinaryUtils.git resolved at 1.1.0
Creating working copy for https://github.com/facebook/zstd
Working copy of https://github.com/facebook/zstd resolved at 1.5.7
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",
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    {
      "name" : "visionos",
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  "products" : [
    {
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      "targets" : [
        "LSKit"
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      "type" : {
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          "automatic"
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    }
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  "targets" : [
    {
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      "module_type" : "SwiftTarget",
      "name" : "LSKitTests",
      "path" : "Tests/LSKitTests",
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        {
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          "rule" : {
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          "rule" : {
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        },
        {
          "path" : "/Users/admin/builder/spi-builder-workspace/Tests/LSKitTests/Resources/meta.lsx",
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      "sources" : [
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        "Helper/XCTTemporaryDirectory.swift",
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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.