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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 swift-multicodec, reference 0.0.8 (bcc70e), with Swift 6.0 for macOS (SPM) on 28 Feb 2025 21:35:43 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/swift-libp2p/swift-multicodec.git
Reference: 0.0.8
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/swift-libp2p/swift-multicodec
 * tag               0.0.8      -> FETCH_HEAD
HEAD is now at bcc70e2 Merge pull request #5 from swift-libp2p/soundness
Cloned https://github.com/swift-libp2p/swift-multicodec.git
Revision (git rev-parse @):
bcc70e2debd98348546133abb50270e13b3da87d
SUCCESS checkout https://github.com/swift-libp2p/swift-multicodec.git at 0.0.8
Fetching https://github.com/swift-libp2p/swift-varint.git
[1/108] Fetching swift-varint
Fetched https://github.com/swift-libp2p/swift-varint.git from cache (0.63s)
Computing version for https://github.com/swift-libp2p/swift-varint.git
Computed https://github.com/swift-libp2p/swift-varint.git at 0.0.1 (0.71s)
Creating working copy for https://github.com/swift-libp2p/swift-varint.git
Working copy of https://github.com/swift-libp2p/swift-varint.git resolved at 0.0.1
========================================
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": "swift-multicodec",
      "name": "swift-multicodec",
      "url": "https://github.com/swift-libp2p/swift-multicodec.git",
      "version": "unspecified",
      "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/swift-multicodec",
      "dependencies": [
        {
          "identity": "swift-varint",
          "name": "swift-varint",
          "url": "https://github.com/swift-libp2p/swift-varint.git",
          "version": "0.0.2",
          "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/swift-varint",
          "dependencies": [
          ]
        }
      ]
    }
  ]
}
Fetching https://github.com/swift-libp2p/swift-multicodec.git
[1/285] Fetching swift-multicodec
Fetched https://github.com/swift-libp2p/swift-multicodec.git from cache (0.75s)
Fetching https://github.com/swift-libp2p/swift-varint.git from cache
Fetched https://github.com/swift-libp2p/swift-varint.git from cache (0.40s)
Computing version for https://github.com/swift-libp2p/swift-varint.git
Computed https://github.com/swift-libp2p/swift-varint.git at 0.0.2 (0.54s)
Creating working copy for https://github.com/swift-libp2p/swift-varint.git
Working copy of https://github.com/swift-libp2p/swift-varint.git resolved at 0.0.2
Creating working copy for https://github.com/swift-libp2p/swift-multicodec.git
Working copy of https://github.com/swift-libp2p/swift-multicodec.git resolved at 0.0.8 (bcc70e2)
Found 1 product dependencies
  - swift-varint
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             6.0
Building package at path:  $PWD
https://github.com/swift-libp2p/swift-multicodec.git
https://github.com/swift-libp2p/swift-multicodec.git
{
  "dependencies" : [
    {
      "identity" : "swift-varint",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "0.0.1",
            "upper_bound" : "1.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/swift-libp2p/swift-varint.git"
    }
  ],
  "manifest_display_name" : "swift-multicodec",
  "name" : "swift-multicodec",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "macos",
      "version" : "10.10"
    },
    {
      "name" : "ios",
      "version" : "10.0"
    }
  ],
  "products" : [
    {
      "name" : "update-codecs",
      "targets" : [
        "Updater"
      ],
      "type" : {
        "executable" : null
      }
    },
    {
      "name" : "Multicodec",
      "targets" : [
        "Multicodec"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "Updater",
      "module_type" : "SwiftTarget",
      "name" : "Updater",
      "path" : "Sources/Updater",
      "product_memberships" : [
        "update-codecs"
      ],
      "sources" : [
        "main.swift"
      ],
      "type" : "executable"
    },
    {
      "c99name" : "MulticodecTests",
      "module_type" : "SwiftTarget",
      "name" : "MulticodecTests",
      "path" : "Tests/MulticodecTests",
      "sources" : [
        "MulticodecTests.swift"
      ],
      "target_dependencies" : [
        "Multicodec"
      ],
      "type" : "test"
    },
    {
      "c99name" : "Multicodec",
      "module_type" : "SwiftTarget",
      "name" : "Multicodec",
      "path" : "Sources/Multicodec",
      "product_dependencies" : [
        "VarInt"
      ],
      "product_memberships" : [
        "Multicodec"
      ],
      "sources" : [
        "Codecs+Equatable.swift",
        "Codecs.swift",
        "Multicodec.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...
[0/8] Write sources
[2/8] Write update-codecs-entitlement.plist
[4/8] Write swift-version-5BDAB9E9C0126B9D.txt
[6/13] Emitting module VarInt
[7/13] Compiling VarInt VarInt.swift
[8/13] Compiling VarInt BinaryEncoder.swift
[9/13] Compiling Updater main.swift
[10/13] Emitting module Updater
[10/13] Write Objects.LinkFileList
[12/17] Compiling Multicodec Codecs+Equatable.swift
[13/17] Compiling Multicodec Multicodec.swift
[14/17] Emitting module Multicodec
[15/17] Compiling Multicodec Codecs.swift
[15/17] Linking update-codecs
[16/17] Applying update-codecs
Build complete! (8.45s)
Build complete.
{
  "dependencies" : [
    {
      "identity" : "swift-varint",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "0.0.1",
            "upper_bound" : "1.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/swift-libp2p/swift-varint.git"
    }
  ],
  "manifest_display_name" : "swift-multicodec",
  "name" : "swift-multicodec",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "macos",
      "version" : "10.10"
    },
    {
      "name" : "ios",
      "version" : "10.0"
    }
  ],
  "products" : [
    {
      "name" : "update-codecs",
      "targets" : [
        "Updater"
      ],
      "type" : {
        "executable" : null
      }
    },
    {
      "name" : "Multicodec",
      "targets" : [
        "Multicodec"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "Updater",
      "module_type" : "SwiftTarget",
      "name" : "Updater",
      "path" : "Sources/Updater",
      "product_memberships" : [
        "update-codecs"
      ],
      "sources" : [
        "main.swift"
      ],
      "type" : "executable"
    },
    {
      "c99name" : "MulticodecTests",
      "module_type" : "SwiftTarget",
      "name" : "MulticodecTests",
      "path" : "Tests/MulticodecTests",
      "sources" : [
        "MulticodecTests.swift"
      ],
      "target_dependencies" : [
        "Multicodec"
      ],
      "type" : "test"
    },
    {
      "c99name" : "Multicodec",
      "module_type" : "SwiftTarget",
      "name" : "Multicodec",
      "path" : "Sources/Multicodec",
      "product_dependencies" : [
        "VarInt"
      ],
      "product_memberships" : [
        "Multicodec"
      ],
      "sources" : [
        "Codecs+Equatable.swift",
        "Codecs.swift",
        "Multicodec.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.5"
}
Done.