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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 SwiftCBOR, reference master (ea5ece), with Swift 6.0 for macOS (SPM) on 8 Apr 2025 12:06:31 UTC.

Swift 6 data race errors: 0

Build Command

env DEVELOPER_DIR=/Applications/Xcode-16.2.0.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: 4.60.1
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/valpackett/SwiftCBOR.git
Reference: master
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/valpackett/SwiftCBOR
 * branch            master     -> FETCH_HEAD
 * [new branch]      master     -> origin/master
HEAD is now at ea5ece7 Adds watchOS support (#116)
Cloned https://github.com/valpackett/SwiftCBOR.git
Revision (git rev-parse @):
ea5ece79b0efde241495bfaa74eccceeffc382bc
SUCCESS checkout https://github.com/valpackett/SwiftCBOR.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": "swiftcbor",
      "name": "SwiftCBOR",
      "url": "https://github.com/valpackett/SwiftCBOR.git",
      "version": "unspecified",
      "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/SwiftCBOR",
      "dependencies": [
      ]
    }
  ]
}
Fetching https://github.com/valpackett/SwiftCBOR.git
[1/1387] Fetching swiftcbor
Fetched https://github.com/valpackett/SwiftCBOR.git from cache (0.88s)
Creating working copy for https://github.com/valpackett/SwiftCBOR.git
Working copy of https://github.com/valpackett/SwiftCBOR.git resolved at master (ea5ece7)
warning: '.resolve-product-dependencies': dependency 'swiftcbor' 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/valpackett/SwiftCBOR.git
https://github.com/valpackett/SwiftCBOR.git
{
  "dependencies" : [
  ],
  "manifest_display_name" : "SwiftCBOR",
  "name" : "SwiftCBOR",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "macos",
      "version" : "10.13"
    },
    {
      "name" : "ios",
      "version" : "13.0"
    },
    {
      "name" : "tvos",
      "version" : "13.0"
    },
    {
      "name" : "maccatalyst",
      "version" : "13.0"
    },
    {
      "name" : "watchos",
      "version" : "8.0"
    }
  ],
  "products" : [
    {
      "name" : "SwiftCBOR",
      "targets" : [
        "SwiftCBOR"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "SwiftCBORTests",
      "module_type" : "SwiftTarget",
      "name" : "SwiftCBORTests",
      "path" : "Tests",
      "sources" : [
        "CBORCodableRoundtripTests.swift",
        "CBORDecoderTests.swift",
        "CBOREncodableTests.swift",
        "CBOREncoderTests.swift",
        "CBORTests.swift",
        "CodableCBORDecoderTests.swift",
        "CodableCBOREncoderTests.swift",
        "Helpers.swift"
      ],
      "target_dependencies" : [
        "SwiftCBOR"
      ],
      "type" : "test"
    },
    {
      "c99name" : "SwiftCBOR",
      "module_type" : "SwiftTarget",
      "name" : "SwiftCBOR",
      "path" : "Sources",
      "product_memberships" : [
        "SwiftCBOR"
      ],
      "sources" : [
        "AnyCodingKey.swift",
        "CBOR.swift",
        "CBORDecoder.swift",
        "CBOREncodable.swift",
        "CBOREncoder.swift",
        "CBORInputStream.swift",
        "CBOROptions.swift",
        "Decoder/CodableCBORDecoder.swift",
        "Decoder/KeyedDecodingContainer.swift",
        "Decoder/SingleValueDecodingContainer.swift",
        "Decoder/UnkeyedDecodingContainer.swift",
        "Encoder/CodableCBOREncoder.swift",
        "Encoder/KeyedEncodingContainer.swift",
        "Encoder/SingleValueEncodingContainer.swift",
        "Encoder/UnkeyedEncodingContainer.swift",
        "FixedWidthInteger+Bytes.swift",
        "Util.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.5"
}
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-16.2.0.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...
[0/2] Write sources
[1/2] Write swift-version-5BDAB9E9C0126B9D.txt
[3/19] Compiling SwiftCBOR KeyedEncodingContainer.swift
[4/19] Compiling SwiftCBOR SingleValueEncodingContainer.swift
[5/19] Compiling SwiftCBOR UnkeyedEncodingContainer.swift
[6/19] Compiling SwiftCBOR FixedWidthInteger+Bytes.swift
[7/20] Compiling SwiftCBOR KeyedDecodingContainer.swift
[8/20] Compiling SwiftCBOR SingleValueDecodingContainer.swift
[9/20] Compiling SwiftCBOR CBOROptions.swift
[10/20] Compiling SwiftCBOR CodableCBORDecoder.swift
[11/20] Compiling SwiftCBOR CBORDecoder.swift
[12/20] Compiling SwiftCBOR CBOREncodable.swift
[13/20] Compiling SwiftCBOR AnyCodingKey.swift
[14/20] Compiling SwiftCBOR CBOR.swift
[15/20] Compiling SwiftCBOR CBOREncoder.swift
[16/20] Compiling SwiftCBOR CBORInputStream.swift
[17/20] Emitting module SwiftCBOR
[18/20] Compiling SwiftCBOR UnkeyedDecodingContainer.swift
[19/20] Compiling SwiftCBOR CodableCBOREncoder.swift
[20/20] Compiling SwiftCBOR Util.swift
Build complete! (14.62s)
Build complete.
{
  "dependencies" : [
  ],
  "manifest_display_name" : "SwiftCBOR",
  "name" : "SwiftCBOR",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "macos",
      "version" : "10.13"
    },
    {
      "name" : "ios",
      "version" : "13.0"
    },
    {
      "name" : "tvos",
      "version" : "13.0"
    },
    {
      "name" : "maccatalyst",
      "version" : "13.0"
    },
    {
      "name" : "watchos",
      "version" : "8.0"
    }
  ],
  "products" : [
    {
      "name" : "SwiftCBOR",
      "targets" : [
        "SwiftCBOR"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "SwiftCBORTests",
      "module_type" : "SwiftTarget",
      "name" : "SwiftCBORTests",
      "path" : "Tests",
      "sources" : [
        "CBORCodableRoundtripTests.swift",
        "CBORDecoderTests.swift",
        "CBOREncodableTests.swift",
        "CBOREncoderTests.swift",
        "CBORTests.swift",
        "CodableCBORDecoderTests.swift",
        "CodableCBOREncoderTests.swift",
        "Helpers.swift"
      ],
      "target_dependencies" : [
        "SwiftCBOR"
      ],
      "type" : "test"
    },
    {
      "c99name" : "SwiftCBOR",
      "module_type" : "SwiftTarget",
      "name" : "SwiftCBOR",
      "path" : "Sources",
      "product_memberships" : [
        "SwiftCBOR"
      ],
      "sources" : [
        "AnyCodingKey.swift",
        "CBOR.swift",
        "CBORDecoder.swift",
        "CBOREncodable.swift",
        "CBOREncoder.swift",
        "CBORInputStream.swift",
        "CBOROptions.swift",
        "Decoder/CodableCBORDecoder.swift",
        "Decoder/KeyedDecodingContainer.swift",
        "Decoder/SingleValueDecodingContainer.swift",
        "Decoder/UnkeyedDecodingContainer.swift",
        "Encoder/CodableCBOREncoder.swift",
        "Encoder/KeyedEncodingContainer.swift",
        "Encoder/SingleValueEncodingContainer.swift",
        "Encoder/UnkeyedEncodingContainer.swift",
        "FixedWidthInteger+Bytes.swift",
        "Util.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.5"
}
Done.