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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-bases, reference 0.0.4 (b5fb32), with Swift 6.1 for macOS (SPM) on 30 Apr 2025 18:18:11 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: 4.61.2
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/swift-libp2p/swift-bases.git
Reference: 0.0.4
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/swift-libp2p/swift-bases
 * tag               0.0.4      -> FETCH_HEAD
HEAD is now at b5fb326 Update providers.yml
Cloned https://github.com/swift-libp2p/swift-bases.git
Revision (git rev-parse @):
b5fb3260b0a2020d17700fbf496e4f9bba5e673e
SUCCESS checkout https://github.com/swift-libp2p/swift-bases.git at 0.0.4
========================================
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-bases",
      "name": "swift-bases",
      "url": "https://github.com/swift-libp2p/swift-bases.git",
      "version": "unspecified",
      "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/swift-bases",
      "dependencies": [
      ]
    }
  ]
}
Fetching https://github.com/swift-libp2p/swift-bases.git
[1/286] Fetching swift-bases
Fetched https://github.com/swift-libp2p/swift-bases.git from cache (0.72s)
Creating working copy for https://github.com/swift-libp2p/swift-bases.git
Working copy of https://github.com/swift-libp2p/swift-bases.git resolved at 0.0.4 (b5fb326)
warning: '.resolve-product-dependencies': dependency 'swift-bases' is not used by any target
Found 0 product dependencies
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             6.1
Building package at path:  $PWD
https://github.com/swift-libp2p/swift-bases.git
https://github.com/swift-libp2p/swift-bases.git
{
  "dependencies" : [
  ],
  "manifest_display_name" : "swift-bases",
  "name" : "swift-bases",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
  ],
  "products" : [
    {
      "name" : "Base2",
      "targets" : [
        "Base2"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    },
    {
      "name" : "Base8",
      "targets" : [
        "Base8"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    },
    {
      "name" : "BaseX",
      "targets" : [
        "BaseX"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    },
    {
      "name" : "Base32",
      "targets" : [
        "Base32"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    },
    {
      "name" : "Base64",
      "targets" : [
        "Base64"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "BaseXTests",
      "module_type" : "SwiftTarget",
      "name" : "BaseXTests",
      "path" : "Tests/BaseXTests",
      "sources" : [
        "BaseXPerformance.swift",
        "BaseXTests.swift"
      ],
      "target_dependencies" : [
        "BaseX"
      ],
      "type" : "test"
    },
    {
      "c99name" : "BaseX",
      "module_type" : "SwiftTarget",
      "name" : "BaseX",
      "path" : "Sources/BaseX",
      "product_memberships" : [
        "BaseX"
      ],
      "sources" : [
        "BaseX.swift"
      ],
      "type" : "library"
    },
    {
      "c99name" : "Base8Tests",
      "module_type" : "SwiftTarget",
      "name" : "Base8Tests",
      "path" : "Tests/Base8Tests",
      "sources" : [
        "Base8Tests.swift"
      ],
      "target_dependencies" : [
        "Base8"
      ],
      "type" : "test"
    },
    {
      "c99name" : "Base8",
      "module_type" : "SwiftTarget",
      "name" : "Base8",
      "path" : "Sources/Base8",
      "product_memberships" : [
        "Base8"
      ],
      "sources" : [
        "Alphabet.swift",
        "Base8.swift",
        "BlockDecoding.swift",
        "BlockEncoding.swift",
        "Quintets.swift"
      ],
      "type" : "library"
    },
    {
      "c99name" : "Base64",
      "module_type" : "SwiftTarget",
      "name" : "Base64",
      "path" : "Sources/Base64",
      "product_memberships" : [
        "Base64"
      ],
      "sources" : [
        "Base64.swift"
      ],
      "type" : "library"
    },
    {
      "c99name" : "Base32Tests",
      "module_type" : "SwiftTarget",
      "name" : "Base32Tests",
      "path" : "Tests/Base32Tests",
      "sources" : [
        "Base32Tests.swift"
      ],
      "target_dependencies" : [
        "Base32"
      ],
      "type" : "test"
    },
    {
      "c99name" : "Base32",
      "module_type" : "SwiftTarget",
      "name" : "Base32",
      "path" : "Sources/Base32",
      "product_memberships" : [
        "Base32"
      ],
      "sources" : [
        "Alphabets.swift",
        "Base32.swift",
        "BlockDecoding.swift",
        "BlockEncoding.swift",
        "Quintets.swift"
      ],
      "type" : "library"
    },
    {
      "c99name" : "Base2Tests",
      "module_type" : "SwiftTarget",
      "name" : "Base2Tests",
      "path" : "Tests/Base2Tests",
      "sources" : [
        "Base2Tests.swift"
      ],
      "target_dependencies" : [
        "Base2"
      ],
      "type" : "test"
    },
    {
      "c99name" : "Base2",
      "module_type" : "SwiftTarget",
      "name" : "Base2",
      "path" : "Sources/Base2",
      "product_memberships" : [
        "Base2"
      ],
      "sources" : [
        "Base2.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.5"
}
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...
[0/6] Write sources
[5/6] Write swift-version-2F0A5646E1D333AE.txt
[7/24] Compiling Base8 Quintets.swift
[8/24] Compiling Base8 BlockEncoding.swift
[9/24] Compiling Base8 BlockDecoding.swift
[10/24] Compiling Base32 BlockDecoding.swift
[11/24] Compiling Base32 Quintets.swift
[12/24] Compiling Base32 BlockEncoding.swift
[13/24] Compiling Base8 Base8.swift
[14/24] Emitting module Base2
[15/24] Compiling Base2 Base2.swift
[16/24] Emitting module BaseX
[17/24] Compiling BaseX BaseX.swift
[18/24] Emitting module Base64
[19/24] Compiling Base64 Base64.swift
[20/24] Emitting module Base8
[21/24] Compiling Base8 Alphabet.swift
[22/24] Compiling Base32 Alphabets.swift
[23/24] Compiling Base32 Base32.swift
[24/24] Emitting module Base32
Build complete! (5.81s)
Build complete.
{
  "dependencies" : [
  ],
  "manifest_display_name" : "swift-bases",
  "name" : "swift-bases",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
  ],
  "products" : [
    {
      "name" : "Base2",
      "targets" : [
        "Base2"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    },
    {
      "name" : "Base8",
      "targets" : [
        "Base8"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    },
    {
      "name" : "BaseX",
      "targets" : [
        "BaseX"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    },
    {
      "name" : "Base32",
      "targets" : [
        "Base32"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    },
    {
      "name" : "Base64",
      "targets" : [
        "Base64"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "BaseXTests",
      "module_type" : "SwiftTarget",
      "name" : "BaseXTests",
      "path" : "Tests/BaseXTests",
      "sources" : [
        "BaseXPerformance.swift",
        "BaseXTests.swift"
      ],
      "target_dependencies" : [
        "BaseX"
      ],
      "type" : "test"
    },
    {
      "c99name" : "BaseX",
      "module_type" : "SwiftTarget",
      "name" : "BaseX",
      "path" : "Sources/BaseX",
      "product_memberships" : [
        "BaseX"
      ],
      "sources" : [
        "BaseX.swift"
      ],
      "type" : "library"
    },
    {
      "c99name" : "Base8Tests",
      "module_type" : "SwiftTarget",
      "name" : "Base8Tests",
      "path" : "Tests/Base8Tests",
      "sources" : [
        "Base8Tests.swift"
      ],
      "target_dependencies" : [
        "Base8"
      ],
      "type" : "test"
    },
    {
      "c99name" : "Base8",
      "module_type" : "SwiftTarget",
      "name" : "Base8",
      "path" : "Sources/Base8",
      "product_memberships" : [
        "Base8"
      ],
      "sources" : [
        "Alphabet.swift",
        "Base8.swift",
        "BlockDecoding.swift",
        "BlockEncoding.swift",
        "Quintets.swift"
      ],
      "type" : "library"
    },
    {
      "c99name" : "Base64",
      "module_type" : "SwiftTarget",
      "name" : "Base64",
      "path" : "Sources/Base64",
      "product_memberships" : [
        "Base64"
      ],
      "sources" : [
        "Base64.swift"
      ],
      "type" : "library"
    },
    {
      "c99name" : "Base32Tests",
      "module_type" : "SwiftTarget",
      "name" : "Base32Tests",
      "path" : "Tests/Base32Tests",
      "sources" : [
        "Base32Tests.swift"
      ],
      "target_dependencies" : [
        "Base32"
      ],
      "type" : "test"
    },
    {
      "c99name" : "Base32",
      "module_type" : "SwiftTarget",
      "name" : "Base32",
      "path" : "Sources/Base32",
      "product_memberships" : [
        "Base32"
      ],
      "sources" : [
        "Alphabets.swift",
        "Base32.swift",
        "BlockDecoding.swift",
        "BlockEncoding.swift",
        "Quintets.swift"
      ],
      "type" : "library"
    },
    {
      "c99name" : "Base2Tests",
      "module_type" : "SwiftTarget",
      "name" : "Base2Tests",
      "path" : "Tests/Base2Tests",
      "sources" : [
        "Base2Tests.swift"
      ],
      "target_dependencies" : [
        "Base2"
      ],
      "type" : "test"
    },
    {
      "c99name" : "Base2",
      "module_type" : "SwiftTarget",
      "name" : "Base2",
      "path" : "Sources/Base2",
      "product_memberships" : [
        "Base2"
      ],
      "sources" : [
        "Base2.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.5"
}
Done.