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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 SwiftKyber, reference 3.3.0 (f8e419), with Swift 5.10 for macOS (SPM) on 31 Mar 2025 18:20:04 UTC.

Swift 6 data race errors: 0

Build Command

env DEVELOPER_DIR=/Applications/Xcode-15.4.0.app xcrun swift build --arch arm64

Build Log

========================================
RunAll
========================================
Builder version: 4.60.1
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/leif-ibsen/SwiftKyber.git
Reference: 3.3.0
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/leif-ibsen/SwiftKyber
 * tag               3.3.0      -> FETCH_HEAD
HEAD is now at f8e4193 Release 3.3.0
Cloned https://github.com/leif-ibsen/SwiftKyber.git
Revision (git rev-parse @):
f8e419304a49fa7bb6cff1d25492e2b5a1460342
SUCCESS checkout https://github.com/leif-ibsen/SwiftKyber.git at 3.3.0
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             5.10
Building package at path:  $PWD
https://github.com/leif-ibsen/SwiftKyber.git
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-15.4.0.app xcrun swift build --arch arm64
Building for debugging...
[0/5] Write sources
[4/5] Write swift-version-33747A42983211AE.txt
[6/27] Compiling Digest MD.swift
[7/27] Compiling Digest SHA2.swift
[8/27] Compiling Digest KDF.swift
[9/27] Compiling Digest SHA1.swift
[10/28] Compiling Digest SHAKE.swift
[11/28] Compiling Digest SHA3.swift
[12/28] Compiling BigInt Karatsuba.swift
[13/28] Compiling BigInt GCD.swift
[14/28] Compiling BigInt Factorial.swift
[15/28] Compiling BigInt FFT.swift
[16/28] Compiling BigInt CRT.swift
[17/28] Compiling BigInt ExpMod.swift
[18/28] Compiling BigInt Limbs.swift
[19/29] Compiling Digest XOF.swift
[20/29] Compiling BigInt ToomCook.swift
[21/29] Emitting module BigInt
[22/29] Compiling BigInt BigFrac.swift
[23/29] Compiling BigInt BigInt.swift
[24/29] Compiling BigInt BitSieve.swift
[25/29] Compiling BigInt BurnikelZiegler.swift
[26/29] Compiling Digest HMAC.swift
[27/29] Compiling Digest BLAKE.swift
[28/29] Emitting module Digest
[29/29] Compiling Digest Base64.swift
[30/50] Emitting module ASN1
[31/52] Compiling ASN1 ASN1Sequence.swift
[32/52] Compiling ASN1 ASN1Set.swift
[33/52] Compiling ASN1 ASN1IA5String.swift
[34/52] Compiling ASN1 ASN1Integer.swift
[35/52] Compiling ASN1 ASN1Time.swift
[36/52] Compiling ASN1 ASN1UTCTime.swift
[37/52] Compiling ASN1 ASN1SimpleType.swift
[38/52] Compiling ASN1 ASN1T61String.swift
[39/52] Compiling ASN1 ASN1OctetString.swift
[40/52] Compiling ASN1 ASN1PrintableString.swift
[41/52] Compiling ASN1 ASN1UTF8String.swift
[42/52] Compiling ASN1 InputStream.swift
[43/52] Compiling ASN1 ASN1Null.swift
[44/52] Compiling ASN1 ASN1ObjectIdentifier.swift
[45/52] Compiling ASN1 ASN1.swift
[46/52] Compiling ASN1 ASN1BMPString.swift
[47/52] Compiling ASN1 ASN1BitString.swift
[48/52] Compiling ASN1 ASN1Boolean.swift
[49/52] Compiling ASN1 ASN1Collection.swift
[50/52] Compiling ASN1 ASN1Ctx.swift
[51/52] Compiling ASN1 ASN1Exception.swift
[52/52] Compiling ASN1 ASN1GeneralizedTime.swift
[53/62] Compiling SwiftKyber Parameters.swift
[54/62] Compiling SwiftKyber Matrix.swift
[55/62] Compiling SwiftKyber Vector.swift
[56/62] Compiling SwiftKyber Polynomial.swift
[57/62] Compiling SwiftKyber Kind.swift
[58/62] Compiling SwiftKyber DecapsulationKey.swift
[59/62] Compiling SwiftKyber Exception.swift
[60/62] Compiling SwiftKyber EncapsulationKey.swift
[61/62] Compiling SwiftKyber Kyber.swift
[62/62] Emitting module SwiftKyber
Build complete! (13.70s)
Fetching https://github.com/leif-ibsen/ASN1
Fetching https://github.com/leif-ibsen/Digest
Fetching https://github.com/leif-ibsen/BigInt
[1/2427] Fetching asn1
[26/4786] Fetching asn1, digest
[1124/10302] Fetching asn1, digest, bigint
Fetched https://github.com/leif-ibsen/BigInt from cache (1.98s)
Fetched https://github.com/leif-ibsen/Digest from cache (1.98s)
Fetched https://github.com/leif-ibsen/ASN1 from cache (1.98s)
Computing version for https://github.com/leif-ibsen/Digest
Computed https://github.com/leif-ibsen/Digest at 1.12.0 (0.33s)
Computing version for https://github.com/leif-ibsen/BigInt
Computed https://github.com/leif-ibsen/BigInt at 1.21.0 (0.33s)
Computing version for https://github.com/leif-ibsen/ASN1
Computed https://github.com/leif-ibsen/ASN1 at 2.7.0 (2.34s)
Creating working copy for https://github.com/leif-ibsen/ASN1
Working copy of https://github.com/leif-ibsen/ASN1 resolved at 2.7.0
Creating working copy for https://github.com/leif-ibsen/BigInt
Working copy of https://github.com/leif-ibsen/BigInt resolved at 1.21.0
Creating working copy for https://github.com/leif-ibsen/Digest
Working copy of https://github.com/leif-ibsen/Digest resolved at 1.12.0
Build complete.
{
  "dependencies" : [
    {
      "identity" : "asn1",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "2.7.0",
            "upper_bound" : "3.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/leif-ibsen/ASN1"
    },
    {
      "identity" : "bigint",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "1.21.0",
            "upper_bound" : "2.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/leif-ibsen/BigInt"
    },
    {
      "identity" : "digest",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "1.12.0",
            "upper_bound" : "2.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/leif-ibsen/Digest"
    }
  ],
  "manifest_display_name" : "SwiftKyber",
  "name" : "SwiftKyber",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
  ],
  "products" : [
    {
      "name" : "SwiftKyber",
      "targets" : [
        "SwiftKyber"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "SwiftKyberTests",
      "module_type" : "SwiftTarget",
      "name" : "SwiftKyberTests",
      "path" : "Tests/SwiftKyberTests",
      "resources" : [
        {
          "path" : "/Users/admin/builder/spi-builder-workspace/Tests/SwiftKyberTests/Resources/katTestEncap.rsp",
          "rule" : {
            "copy" : {
            }
          }
        },
        {
          "path" : "/Users/admin/builder/spi-builder-workspace/Tests/SwiftKyberTests/Resources/katTestDecap.rsp",
          "rule" : {
            "copy" : {
            }
          }
        },
        {
          "path" : "/Users/admin/builder/spi-builder-workspace/Tests/SwiftKyberTests/Resources/katTestKeyGen.rsp",
          "rule" : {
            "copy" : {
            }
          }
        }
      ],
      "sources" : [
        "CompressTest.swift",
        "EncapDecapTest.swift",
        "EncodeDecodeTest.swift",
        "ExceptionTest.swift",
        "KATTestDecap.swift",
        "KATTestEncap.swift",
        "KATTestKeyGen.swift",
        "K_PKETest.swift",
        "KeysTest.swift",
        "ML_KEMInternalTest.swift",
        "NTTTest.swift",
        "PEMTest.swift",
        "SampleNTTTest.swift",
        "SamplePolyCBDTest.swift",
        "Util.swift"
      ],
      "target_dependencies" : [
        "SwiftKyber"
      ],
      "type" : "test"
    },
    {
      "c99name" : "SwiftKyber",
      "module_type" : "SwiftTarget",
      "name" : "SwiftKyber",
      "path" : "Sources/SwiftKyber",
      "product_dependencies" : [
        "BigInt",
        "ASN1",
        "Digest"
      ],
      "product_memberships" : [
        "SwiftKyber"
      ],
      "sources" : [
        "DecapsulationKey.swift",
        "EncapsulationKey.swift",
        "Exception.swift",
        "Kind.swift",
        "Kyber.swift",
        "Matrix.swift",
        "Parameters.swift",
        "Polynomial.swift",
        "Vector.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.9"
}
Done.