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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-hash, reference 0.7.1 (ea0b9f), with Swift 6.1 for macOS (SPM) on 29 Apr 2025 22:58:03 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

Build Log

========================================
RunAll
========================================
Builder version: 4.61.1
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/tayloraswift/swift-hash.git
Reference: 0.7.1
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/tayloraswift/swift-hash
 * tag               0.7.1      -> FETCH_HEAD
HEAD is now at ea0b9fc Merge pull request #22 from tayloraswift/test-lowering-deployment-minima
Cloned https://github.com/tayloraswift/swift-hash.git
Revision (git rev-parse @):
ea0b9fc3152ed5941dd82e4a01e65f99fe1a75d2
SUCCESS checkout https://github.com/tayloraswift/swift-hash.git at 0.7.1
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             6.1
Building package at path:  $PWD
https://github.com/tayloraswift/swift-hash.git
https://github.com/tayloraswift/swift-hash.git
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  "dependencies" : [
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  "manifest_display_name" : "swift-hash",
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  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
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      "name" : "macos",
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      ],
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    },
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      "name" : "Base64",
      "targets" : [
        "Base64"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    },
    {
      "name" : "CRC",
      "targets" : [
        "CRC"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    },
    {
      "name" : "InlineBuffer",
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      ],
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        "MD5"
      ],
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          "automatic"
        ]
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    {
      "name" : "MessageAuthentication",
      "targets" : [
        "MessageAuthentication"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    },
    {
      "name" : "SHA1",
      "targets" : [
        "SHA1"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    },
    {
      "name" : "SHA2",
      "targets" : [
        "SHA2"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    },
    {
      "name" : "UUID",
      "targets" : [
        "UUID"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "UUID",
      "module_type" : "SwiftTarget",
      "name" : "UUID",
      "path" : "Sources/UUID",
      "product_memberships" : [
        "UUID"
      ],
      "sources" : [
        "UUID.swift"
      ],
      "target_dependencies" : [
        "Base16"
      ],
      "type" : "library"
    },
    {
      "c99name" : "SHA2Tests",
      "module_type" : "SwiftTarget",
      "name" : "SHA2Tests",
      "path" : "Sources/SHA2Tests",
      "sources" : [
        "HMAC256.TestCase.swift",
        "HMAC256.swift",
        "KeyDerivation.TestCase.swift",
        "KeyDerivation.swift"
      ],
      "target_dependencies" : [
        "SHA2"
      ],
      "type" : "test"
    },
    {
      "c99name" : "SHA2",
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      "name" : "SHA2",
      "path" : "Sources/SHA2",
      "product_memberships" : [
        "SHA2"
      ],
      "sources" : [
        "SHA256.swift"
      ],
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        "MessageAuthentication"
      ],
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    },
    {
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      "name" : "SHA1",
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        "SHA1"
      ],
      "sources" : [
        "SHA1.swift",
        "exports.swift"
      ],
      "target_dependencies" : [
        "InlineBuffer"
      ],
      "type" : "library"
    },
    {
      "c99name" : "MessageAuthentication",
      "module_type" : "SwiftTarget",
      "name" : "MessageAuthentication",
      "path" : "Sources/MessageAuthentication",
      "product_memberships" : [
        "MessageAuthentication",
        "SHA2"
      ],
      "sources" : [
        "MessageAuthenticationHash.swift",
        "MessageAuthenticationKey.swift"
      ],
      "type" : "library"
    },
    {
      "c99name" : "MD5Tests",
      "module_type" : "SwiftTarget",
      "name" : "MD5Tests",
      "path" : "Sources/MD5Tests",
      "sources" : [
        "Hashing.swift",
        "ParsingAndFormatting.swift"
      ],
      "target_dependencies" : [
        "MD5"
      ],
      "type" : "test"
    },
    {
      "c99name" : "MD5",
      "module_type" : "SwiftTarget",
      "name" : "MD5",
      "path" : "Sources/MD5",
      "product_memberships" : [
        "MD5"
      ],
      "sources" : [
        "MD5.Block.swift",
        "MD5.Words.swift",
        "MD5.swift",
        "exports.swift"
      ],
      "target_dependencies" : [
        "InlineBuffer"
      ],
      "type" : "library"
    },
    {
      "c99name" : "InlineBuffer",
      "module_type" : "SwiftTarget",
      "name" : "InlineBuffer",
      "path" : "Sources/InlineBuffer",
      "product_memberships" : [
        "InlineBuffer",
        "MD5",
        "SHA1"
      ],
      "sources" : [
        "InlineBuffer.swift"
      ],
      "type" : "library"
    },
    {
      "c99name" : "CRCTests",
      "module_type" : "SwiftTarget",
      "name" : "CRCTests",
      "path" : "Sources/CRCTests",
      "sources" : [
        "ChecksumComputation.TestCase.swift",
        "ChecksumComputation.swift"
      ],
      "target_dependencies" : [
        "CRC"
      ],
      "type" : "test"
    },
    {
      "c99name" : "CRC",
      "module_type" : "SwiftTarget",
      "name" : "CRC",
      "path" : "Sources/CRC",
      "product_memberships" : [
        "CRC"
      ],
      "sources" : [
        "CRC32.swift"
      ],
      "target_dependencies" : [
        "Base16"
      ],
      "type" : "library"
    },
    {
      "c99name" : "BaseDigits",
      "module_type" : "SwiftTarget",
      "name" : "BaseDigits",
      "path" : "Sources/BaseDigits",
      "product_memberships" : [
        "Base16",
        "Base64",
        "CRC",
        "SHA2",
        "UUID"
      ],
      "sources" : [
        "BaseDigits.swift"
      ],
      "type" : "library"
    },
    {
      "c99name" : "Base64Tests",
      "module_type" : "SwiftTarget",
      "name" : "Base64Tests",
      "path" : "Sources/Base64Tests",
      "sources" : [
        "Encoding.TestCase.swift",
        "Encoding.swift"
      ],
      "target_dependencies" : [
        "Base64"
      ],
      "type" : "test"
    },
    {
      "c99name" : "Base64",
      "module_type" : "SwiftTarget",
      "name" : "Base64",
      "path" : "Sources/Base64",
      "product_memberships" : [
        "Base64"
      ],
      "sources" : [
        "Base64.DefaultDigits.swift",
        "Base64.SafeDigits.swift",
        "Base64.Values.swift",
        "Base64.swift"
      ],
      "target_dependencies" : [
        "BaseDigits"
      ],
      "type" : "library"
    },
    {
      "c99name" : "Base16",
      "module_type" : "SwiftTarget",
      "name" : "Base16",
      "path" : "Sources/Base16",
      "product_memberships" : [
        "Base16",
        "CRC",
        "SHA2",
        "UUID"
      ],
      "sources" : [
        "Base16.LowercaseDigits.swift",
        "Base16.UppercaseDigits.swift",
        "Base16.Values.swift",
        "Base16.swift"
      ],
      "target_dependencies" : [
        "BaseDigits"
      ],
      "type" : "library"
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}
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
Building for debugging...
[0/11] Write sources
[10/11] Write swift-version-2F0A5646E1D333AE.txt
[12/18] Emitting module BaseDigits
[13/18] Compiling BaseDigits BaseDigits.swift
[14/18] Emitting module MessageAuthentication
[15/18] Compiling MessageAuthentication MessageAuthenticationHash.swift
[16/18] Compiling MessageAuthentication MessageAuthenticationKey.swift
[17/18] Emitting module InlineBuffer
[18/18] Compiling InlineBuffer InlineBuffer.swift
[19/28] Compiling Base64 Base64.SafeDigits.swift
[20/28] Compiling Base64 Base64.DefaultDigits.swift
[21/36] Compiling SHA1 exports.swift
[22/36] Compiling Base16 Base16.LowercaseDigits.swift
[23/36] Compiling Base16 Base16.UppercaseDigits.swift
[24/36] Compiling Base16 Base16.Values.swift
[25/36] Emitting module Base16
[26/36] Compiling Base16 Base16.swift
[27/36] Compiling Base64 Base64.Values.swift
[28/36] Compiling Base64 Base64.swift
[29/36] Emitting module Base64
[30/36] Compiling MD5 MD5.Block.swift
[31/36] Emitting module SHA1
[32/36] Compiling SHA1 SHA1.swift
[33/36] Compiling MD5 MD5.swift
[34/36] Compiling MD5 MD5.Words.swift
[35/36] Compiling MD5 exports.swift
[36/36] Emitting module MD5
[37/42] Emitting module UUID
[38/42] Compiling UUID UUID.swift
[39/42] Compiling CRC CRC32.swift
[40/42] Emitting module CRC
[41/42] Compiling SHA2 SHA256.swift
[42/42] Emitting module SHA2
Build complete! (1.67s)
Build complete.
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    },
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        "CRC"
      ],
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        "InlineBuffer"
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    },
    {
      "name" : "MessageAuthentication",
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        "MessageAuthentication"
      ],
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          "automatic"
        ]
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    },
    {
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        "SHA1"
      ],
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          "automatic"
        ]
      }
    },
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        "SHA2"
      ],
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          "automatic"
        ]
      }
    },
    {
      "name" : "UUID",
      "targets" : [
        "UUID"
      ],
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          "automatic"
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  "targets" : [
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      "module_type" : "SwiftTarget",
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      "product_memberships" : [
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        "SHA2"
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        "MessageAuthenticationHash.swift",
        "MessageAuthenticationKey.swift"
      ],
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}
Done.