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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 MnemonicSwift, reference 2.2.5 (2d7f3e), with Swift 6.1 for macOS (SPM) on 1 May 2025 03:10:09 UTC.

Swift 6 data race errors: 2

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/Electric-Coin-Company/MnemonicSwift.git
Reference: 2.2.5
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/Electric-Coin-Company/MnemonicSwift
 * tag               2.2.5      -> FETCH_HEAD
HEAD is now at 2d7f3e7 MnemonicLanguageType words publicly available (#36)
Cloned https://github.com/Electric-Coin-Company/MnemonicSwift.git
Revision (git rev-parse @):
2d7f3e76e904621e111efada6cc9575f39543bb2
SUCCESS checkout https://github.com/Electric-Coin-Company/MnemonicSwift.git at 2.2.5
Fetching https://github.com/apple/swift-crypto.git from cache
Fetched https://github.com/apple/swift-crypto.git from cache (1.08s)
Computing version for https://github.com/apple/swift-crypto.git
Computed https://github.com/apple/swift-crypto.git at 2.1.0 (1.69s)
Creating working copy for https://github.com/apple/swift-crypto.git
Working copy of https://github.com/apple/swift-crypto.git resolved at 2.1.0
========================================
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": "mnemonicswift",
      "name": "MnemonicSwift",
      "url": "https://github.com/Electric-Coin-Company/MnemonicSwift.git",
      "version": "unspecified",
      "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/MnemonicSwift",
      "dependencies": [
        {
          "identity": "swift-crypto",
          "name": "swift-crypto",
          "url": "https://github.com/apple/swift-crypto.git",
          "version": "2.6.0",
          "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/swift-crypto",
          "dependencies": [
          ]
        }
      ]
    }
  ]
}
Fetching https://github.com/Electric-Coin-Company/MnemonicSwift.git
[1/1793] Fetching mnemonicswift
Fetched https://github.com/Electric-Coin-Company/MnemonicSwift.git from cache (0.84s)
Fetching https://github.com/apple/swift-crypto.git from cache
Fetched https://github.com/apple/swift-crypto.git from cache (0.49s)
Computing version for https://github.com/apple/swift-crypto.git
Computed https://github.com/apple/swift-crypto.git at 2.6.0 (1.12s)
Creating working copy for https://github.com/Electric-Coin-Company/MnemonicSwift.git
Working copy of https://github.com/Electric-Coin-Company/MnemonicSwift.git resolved at 2.2.5 (2d7f3e7)
Creating working copy for https://github.com/apple/swift-crypto.git
Working copy of https://github.com/apple/swift-crypto.git resolved at 2.6.0
warning: '.resolve-product-dependencies': dependency 'mnemonicswift' is not used by any target
Found 1 product dependencies
  - swift-crypto
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             6.1
Building package at path:  $PWD
https://github.com/Electric-Coin-Company/MnemonicSwift.git
https://github.com/Electric-Coin-Company/MnemonicSwift.git
{
  "dependencies" : [
    {
      "identity" : "swift-crypto",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "2.1.0",
            "upper_bound" : "3.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/apple/swift-crypto.git"
    }
  ],
  "manifest_display_name" : "MnemonicSwift",
  "name" : "MnemonicSwift",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "ios",
      "version" : "13.0"
    },
    {
      "name" : "macos",
      "version" : "10.15"
    }
  ],
  "products" : [
    {
      "name" : "MnemonicSwift",
      "targets" : [
        "MnemonicSwift"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "MnemonicSwiftTests",
      "module_type" : "SwiftTarget",
      "name" : "MnemonicSwiftTests",
      "path" : "Tests",
      "resources" : [
        {
          "path" : "/Users/admin/builder/spi-builder-workspace/Tests/vectors.json",
          "rule" : {
            "copy" : {
            }
          }
        }
      ],
      "sources" : [
        "MnemonicSwiftTests.swift"
      ],
      "target_dependencies" : [
        "MnemonicSwift"
      ],
      "type" : "test"
    },
    {
      "c99name" : "MnemonicSwift",
      "module_type" : "SwiftTarget",
      "name" : "MnemonicSwift",
      "path" : "MnemonicSwift",
      "product_dependencies" : [
        "Crypto"
      ],
      "product_memberships" : [
        "MnemonicSwift"
      ],
      "sources" : [
        "Data+BitArray.swift",
        "Language/Chinese.swift",
        "Language/English.swift",
        "Mnemonic.swift",
        "MnemonicInteractor.swift",
        "PKC5.swift",
        "String+MnemonicData.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.3"
}
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...
[0/3] Write sources
[2/3] Write swift-version-2F0A5646E1D333AE.txt
[4/60] Emitting module Crypto
[5/66] Compiling Crypto SafeCompare_boring.swift
[6/66] Compiling Crypto Zeroization_boring.swift
[7/66] Compiling Crypto PrettyBytes.swift
[8/66] Compiling Crypto SafeCompare.swift
[9/66] Compiling Crypto SecureBytes.swift
[10/66] Compiling Crypto Zeroization.swift
[11/66] Compiling Crypto Ed25519.swift
[12/66] Compiling Crypto NISTCurvesKeys.swift
[13/66] Compiling Crypto X25519Keys.swift
[14/66] Compiling Crypto SymmetricKeys.swift
[15/66] Compiling Crypto HMAC.swift
[16/66] Compiling Crypto MACFunctions.swift
[17/66] Compiling Crypto PEMDocument.swift
[18/66] Compiling Crypto PKCS8PrivateKey.swift
[19/66] Compiling Crypto SEC1PrivateKey.swift
[20/66] Compiling Crypto SubjectPublicKeyInfo.swift
[21/66] Compiling Crypto CryptoKitErrors.swift
[22/66] Compiling Crypto Digest_boring.swift
[23/66] Compiling Crypto AES-GCM.swift
[24/66] Compiling Crypto AES-GCM_boring.swift
[25/66] Compiling Crypto ChaChaPoly_boring.swift
[26/66] Compiling Crypto ChaChaPoly.swift
[27/66] Compiling Crypto Cipher.swift
[28/66] Compiling Crypto Nonces.swift
[29/66] Compiling Crypto ASN1.swift
[30/66] Compiling Crypto ASN1BitString.swift
[31/66] Compiling Crypto ASN1Identifier.swift
[32/66] Compiling Crypto ASN1Integer.swift
[33/66] Compiling Crypto ASN1OctetString.swift
[34/66] Compiling Crypto ArraySliceBigint.swift
[35/66] Compiling Crypto ObjectIdentifier.swift
[36/66] Compiling Crypto ECDSASignature.swift
[37/66] Compiling Crypto Ed25519_boring.swift
[38/66] Compiling Crypto EllipticCurvePoint_boring.swift
[39/66] Compiling Crypto EllipticCurve_boring.swift
[40/66] Compiling Crypto NISTCurvesKeys_boring.swift
[41/66] Compiling Crypto X25519Keys_boring.swift
[42/66] Compiling Crypto Curve25519.swift
[43/66] Compiling Crypto ECDH_boring.swift
[44/66] Compiling Crypto DH.swift
[45/66] Compiling Crypto ECDH.swift
[46/66] Compiling Crypto HKDF.swift
[47/66] Compiling Crypto AESWrap.swift
[48/66] Compiling Crypto AESWrap_boring.swift
[49/66] Compiling Crypto Digest.swift
[50/66] Compiling Crypto Digests.swift
[51/66] Compiling Crypto HashFunctions.swift
[52/66] Compiling Crypto HashFunctions_SHA2.swift
[53/66] Compiling Crypto Insecure.swift
[54/66] Compiling Crypto Insecure_HashFunctions.swift
[55/66] Compiling Crypto MessageAuthenticationCode.swift
[56/66] Compiling Crypto AES.swift
[57/66] Compiling Crypto ECDSASignature_boring.swift
[58/66] Compiling Crypto ECDSA_boring.swift
[59/66] Compiling Crypto EdDSA_boring.swift
[60/66] Compiling Crypto ECDSA.swift
[61/66] Compiling Crypto EdDSA.swift
[62/66] Compiling Crypto Signature.swift
[63/66] Compiling Crypto ArbitraryPrecisionInteger_boring.swift
[64/66] Compiling Crypto CryptoKitErrors_boring.swift
[65/66] Compiling Crypto FiniteFieldArithmeticContext_boring.swift
[66/66] Compiling Crypto RNG_boring.swift
[67/74] Compiling MnemonicSwift English.swift
[68/74] Compiling MnemonicSwift PKC5.swift
[69/74] Compiling MnemonicSwift String+MnemonicData.swift
[70/74] Compiling MnemonicSwift MnemonicInteractor.swift
/Users/admin/builder/spi-builder-workspace/MnemonicSwift/MnemonicInteractor.swift:187:23: warning: static property 'live' is not concurrency-safe because non-'Sendable' type 'MnemonicInteractor' may have shared mutable state; this is an error in the Swift 6 language mode
 29 | /// functions directly without instantiating anything.
 30 | ///
 31 | public struct MnemonicInteractor {
    |               `- note: consider making struct 'MnemonicInteractor' conform to the 'Sendable' protocol
 32 |
 33 |     /// Generate a mnemonic from the given hex string in the given language.
    :
185 |
186 | extension MnemonicInteractor {
187 |     public static let live = MnemonicInteractor()
    |                       |- warning: static property 'live' is not concurrency-safe because non-'Sendable' type 'MnemonicInteractor' may have shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: add '@MainActor' to make static property 'live' part of global actor 'MainActor'
    |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
188 |
189 |     public static let throwing = MnemonicInteractor(
/Users/admin/builder/spi-builder-workspace/MnemonicSwift/MnemonicInteractor.swift:189:23: warning: static property 'throwing' is not concurrency-safe because non-'Sendable' type 'MnemonicInteractor' may have shared mutable state; this is an error in the Swift 6 language mode
 29 | /// functions directly without instantiating anything.
 30 | ///
 31 | public struct MnemonicInteractor {
    |               `- note: consider making struct 'MnemonicInteractor' conform to the 'Sendable' protocol
 32 |
 33 |     /// Generate a mnemonic from the given hex string in the given language.
    :
187 |     public static let live = MnemonicInteractor()
188 |
189 |     public static let throwing = MnemonicInteractor(
    |                       |- warning: static property 'throwing' is not concurrency-safe because non-'Sendable' type 'MnemonicInteractor' may have shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: add '@MainActor' to make static property 'throwing' part of global actor 'MainActor'
    |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
190 |         mnemonicEnglishString: { _ in
191 |             throw MnemonicError.invalidHexstring
[71/74] Compiling MnemonicSwift Mnemonic.swift
[72/74] Compiling MnemonicSwift Data+BitArray.swift
[73/74] Emitting module MnemonicSwift
/Users/admin/builder/spi-builder-workspace/MnemonicSwift/MnemonicInteractor.swift:187:23: warning: static property 'live' is not concurrency-safe because non-'Sendable' type 'MnemonicInteractor' may have shared mutable state; this is an error in the Swift 6 language mode
 29 | /// functions directly without instantiating anything.
 30 | ///
 31 | public struct MnemonicInteractor {
    |               `- note: consider making struct 'MnemonicInteractor' conform to the 'Sendable' protocol
 32 |
 33 |     /// Generate a mnemonic from the given hex string in the given language.
    :
185 |
186 | extension MnemonicInteractor {
187 |     public static let live = MnemonicInteractor()
    |                       |- warning: static property 'live' is not concurrency-safe because non-'Sendable' type 'MnemonicInteractor' may have shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: add '@MainActor' to make static property 'live' part of global actor 'MainActor'
    |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
188 |
189 |     public static let throwing = MnemonicInteractor(
/Users/admin/builder/spi-builder-workspace/MnemonicSwift/MnemonicInteractor.swift:189:23: warning: static property 'throwing' is not concurrency-safe because non-'Sendable' type 'MnemonicInteractor' may have shared mutable state; this is an error in the Swift 6 language mode
 29 | /// functions directly without instantiating anything.
 30 | ///
 31 | public struct MnemonicInteractor {
    |               `- note: consider making struct 'MnemonicInteractor' conform to the 'Sendable' protocol
 32 |
 33 |     /// Generate a mnemonic from the given hex string in the given language.
    :
187 |     public static let live = MnemonicInteractor()
188 |
189 |     public static let throwing = MnemonicInteractor(
    |                       |- warning: static property 'throwing' is not concurrency-safe because non-'Sendable' type 'MnemonicInteractor' may have shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: add '@MainActor' to make static property 'throwing' part of global actor 'MainActor'
    |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
190 |         mnemonicEnglishString: { _ in
191 |             throw MnemonicError.invalidHexstring
[74/74] Compiling MnemonicSwift Chinese.swift
Build complete! (9.78s)
Build complete.
{
  "dependencies" : [
    {
      "identity" : "swift-crypto",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "2.1.0",
            "upper_bound" : "3.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/apple/swift-crypto.git"
    }
  ],
  "manifest_display_name" : "MnemonicSwift",
  "name" : "MnemonicSwift",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "ios",
      "version" : "13.0"
    },
    {
      "name" : "macos",
      "version" : "10.15"
    }
  ],
  "products" : [
    {
      "name" : "MnemonicSwift",
      "targets" : [
        "MnemonicSwift"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "MnemonicSwiftTests",
      "module_type" : "SwiftTarget",
      "name" : "MnemonicSwiftTests",
      "path" : "Tests",
      "resources" : [
        {
          "path" : "/Users/admin/builder/spi-builder-workspace/Tests/vectors.json",
          "rule" : {
            "copy" : {
            }
          }
        }
      ],
      "sources" : [
        "MnemonicSwiftTests.swift"
      ],
      "target_dependencies" : [
        "MnemonicSwift"
      ],
      "type" : "test"
    },
    {
      "c99name" : "MnemonicSwift",
      "module_type" : "SwiftTarget",
      "name" : "MnemonicSwift",
      "path" : "MnemonicSwift",
      "product_dependencies" : [
        "Crypto"
      ],
      "product_memberships" : [
        "MnemonicSwift"
      ],
      "sources" : [
        "Data+BitArray.swift",
        "Language/Chinese.swift",
        "Language/English.swift",
        "Mnemonic.swift",
        "MnemonicInteractor.swift",
        "PKC5.swift",
        "String+MnemonicData.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.3"
}
Done.