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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 MultiformatsKit, reference main (343adc), with Swift 5.9 for macOS (SPM) on 27 Mar 2025 18:15:19 UTC.

Swift 6 data race errors: 0

Build Command

env DEVELOPER_DIR=/Applications/Xcode-15.2.0.app xcrun swift build --arch arm64

Build Log

========================================
RunAll
========================================
Builder version: 4.60.1
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/ATProtoKit/MultiformatsKit.git
Reference: main
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/ATProtoKit/MultiformatsKit
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at 343adc6 Merge remote-tracking branch 'refs/remotes/origin/main'
Cloned https://github.com/ATProtoKit/MultiformatsKit.git
Revision (git rev-parse @):
343adc6aea84e83a7a8a7b7d6d92109e249d2591
SPI manifest file found: $PWD/.spi.yml
SUCCESS checkout https://github.com/ATProtoKit/MultiformatsKit.git at main
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             5.9
Building package at path:  $PWD
https://github.com/ATProtoKit/MultiformatsKit.git
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-15.2.0.app xcrun swift build --arch arm64
Building for debugging...
[0/1] Copying PrivacyInfo.xcprivacy
[2/74] Emitting module Crypto
[3/82] Compiling Crypto DH.swift
[4/82] Compiling Crypto ECDH.swift
[5/82] Compiling Crypto HKDF.swift
[6/82] Compiling Crypto AESWrap.swift
[7/82] Compiling Crypto AESWrap_boring.swift
[8/82] Compiling Crypto Ed25519_boring.swift
[9/82] Compiling Crypto NISTCurvesKeys_boring.swift
[10/82] Compiling Crypto X25519Keys_boring.swift
[11/82] Compiling Crypto HPKE.swift
[12/82] Compiling Crypto HPKE-Context.swift
[13/82] Compiling Crypto HPKE-KeySchedule.swift
[14/82] Compiling Crypto HPKE-Modes.swift
[15/82] Compiling Crypto Insecure.swift
[16/82] Compiling Crypto Insecure_HashFunctions.swift
[17/82] Compiling Crypto KEM.swift
[18/82] Compiling Crypto ECDH_boring.swift
[19/82] Compiling Crypto RNG_boring.swift
[20/82] Compiling Crypto SafeCompare_boring.swift
[21/82] Compiling Crypto Zeroization_boring.swift
[22/82] Compiling Crypto PrettyBytes.swift
[23/82] Compiling Crypto SafeCompare.swift
[24/82] Compiling Crypto SecureBytes.swift
[25/82] Compiling Crypto Zeroization.swift
[26/82] Compiling Crypto resource_bundle_accessor.swift
[27/82] Compiling Crypto GeneralizedTime.swift
[28/82] Compiling Crypto ObjectIdentifier.swift
[29/82] Compiling Crypto ECDSASignature.swift
[30/82] Compiling Crypto PEMDocument.swift
[31/82] Compiling Crypto PKCS8PrivateKey.swift
[32/82] Compiling Crypto SEC1PrivateKey.swift
[33/82] Compiling Crypto SubjectPublicKeyInfo.swift
[34/82] Compiling Crypto CryptoKitErrors.swift
[35/82] Compiling Crypto AES-GCM.swift
[36/82] Compiling Crypto AES-GCM_boring.swift
[37/82] Compiling Crypto ChaChaPoly_boring.swift
[38/82] Compiling Crypto ChaChaPoly.swift
[39/82] Compiling Crypto Cipher.swift
[40/82] Compiling Crypto Nonces.swift
[41/82] Compiling Crypto ASN1.swift
[42/82] Compiling Crypto ASN1Any.swift
[43/82] Compiling Crypto HPKE-KexKeyDerivation.swift
[44/82] Compiling Crypto HPKE-LabeledExtract.swift
[45/82] Compiling Crypto HPKE-Utils.swift
[46/82] Compiling Crypto DHKEM.swift
[47/82] Compiling Crypto HPKE-KEM-Curve25519.swift
[48/82] Compiling Crypto HPKE-NIST-EC-KEMs.swift
[49/82] Compiling Crypto HPKE-KEM.swift
[50/82] Compiling Crypto HPKE-Errors.swift
[51/82] Compiling Crypto AES.swift
[52/82] Compiling Crypto ECDSASignature_boring.swift
[53/82] Compiling Crypto ECDSA_boring.swift
[54/82] Compiling Crypto EdDSA_boring.swift
[55/82] Compiling Crypto ECDSA.swift
[56/82] Compiling Crypto Ed25519.swift
[57/82] Compiling Crypto Signature.swift
[58/82] Compiling Crypto CryptoKitErrors_boring.swift
[59/82] Compiling Crypto ASN1BitString.swift
[60/82] Compiling Crypto ASN1Boolean.swift
[61/82] Compiling Crypto ASN1Identifier.swift
[62/82] Compiling Crypto ASN1Integer.swift
[63/82] Compiling Crypto ASN1Null.swift
[64/82] Compiling Crypto ASN1OctetString.swift
[65/82] Compiling Crypto ASN1Strings.swift
[66/82] Compiling Crypto ArraySliceBigint.swift
[67/82] Compiling Crypto Curve25519.swift
[68/82] Compiling Crypto Ed25519Keys.swift
[69/82] Compiling Crypto NISTCurvesKeys.swift
[70/82] Compiling Crypto X25519Keys.swift
[71/82] Compiling Crypto SymmetricKeys.swift
[72/82] Compiling Crypto HMAC.swift
[73/82] Compiling Crypto MACFunctions.swift
[74/82] Compiling Crypto MessageAuthenticationCode.swift
[75/82] Compiling Crypto Digest_boring.swift
[76/82] Compiling Crypto Digest.swift
[77/82] Compiling Crypto Digests.swift
[78/82] Compiling Crypto HashFunctions.swift
[79/82] Compiling Crypto HashFunctions_SHA2.swift
[80/82] Compiling Crypto HPKE-AEAD.swift
[81/82] Compiling Crypto HPKE-Ciphersuite.swift
[82/82] Compiling Crypto HPKE-KDF.swift
[83/97] Compiling MultiformatsKit MultihashAlgorithm.swift
[84/98] Compiling MultiformatsKit Multihash.swift
[85/98] Compiling MultiformatsKit MultihashFactory.swift
[86/98] Compiling MultiformatsKit Hashers.swift
[87/98] Compiling MultiformatsKit RFC4648Codec.swift
[88/98] Compiling MultiformatsKit Multicodec.swift
[89/98] Compiling MultiformatsKit BasesProtocols.swift
[90/98] Compiling MultiformatsKit Multibase.swift
[91/98] Compiling MultiformatsKit Varint.swift
[92/98] Compiling MultiformatsKit MulticodecRegistry.swift
[93/98] Compiling MultiformatsKit MultiformatsKit.swift
[94/98] Compiling MultiformatsKit CID.swift
[95/98] Compiling MultiformatsKit Errors.swift
[96/98] Compiling MultiformatsKit BaseX.swift
[97/98] Compiling MultiformatsKit BaseXAlphabet.swift
[98/98] Emitting module MultiformatsKit
Build complete! (18.54s)
Fetching https://github.com/apple/swift-crypto.git
[1/13296] Fetching swift-crypto
Fetched https://github.com/apple/swift-crypto.git (2.94s)
Computing version for https://github.com/apple/swift-crypto.git
Computed https://github.com/apple/swift-crypto.git at 3.12.2 (3.20s)
Fetching https://github.com/apple/swift-asn1.git
[1/1547] Fetching swift-asn1
Fetched https://github.com/apple/swift-asn1.git (0.82s)
Computing version for https://github.com/apple/swift-asn1.git
Computed https://github.com/apple/swift-asn1.git at 1.3.1 (0.59s)
Creating working copy for https://github.com/apple/swift-asn1.git
Working copy of https://github.com/apple/swift-asn1.git resolved at 1.3.1
Creating working copy for https://github.com/apple/swift-crypto.git
Working copy of https://github.com/apple/swift-crypto.git resolved at 3.12.2
Build complete.
{
  "dependencies" : [
    {
      "identity" : "swift-crypto",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "3.12.2",
            "upper_bound" : "4.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/apple/swift-crypto.git"
    }
  ],
  "manifest_display_name" : "MultiformatsKit",
  "name" : "MultiformatsKit",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "ios",
      "version" : "14.0"
    },
    {
      "name" : "macos",
      "version" : "12.0"
    },
    {
      "name" : "tvos",
      "version" : "14.0"
    },
    {
      "name" : "visionos",
      "version" : "1.0"
    },
    {
      "name" : "watchos",
      "version" : "9.0"
    }
  ],
  "products" : [
    {
      "name" : "MultiformatsKit",
      "targets" : [
        "MultiformatsKit"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "MultiformatsKitTests",
      "module_type" : "SwiftTarget",
      "name" : "MultiformatsKitTests",
      "path" : "Tests/MultiformatsKitTests",
      "sources" : [
        "CIDSuite.swift",
        "MultibaseSuite.swift"
      ],
      "target_dependencies" : [
        "MultiformatsKit"
      ],
      "type" : "test"
    },
    {
      "c99name" : "MultiformatsKit",
      "module_type" : "SwiftTarget",
      "name" : "MultiformatsKit",
      "path" : "Sources/MultiformatsKit",
      "product_dependencies" : [
        "Crypto"
      ],
      "product_memberships" : [
        "MultiformatsKit"
      ],
      "sources" : [
        "CID/CID.swift",
        "Errors.swift",
        "Multibase/BaseX.swift",
        "Multibase/BaseXAlphabet.swift",
        "Multibase/BasesProtocols.swift",
        "Multibase/Multibase.swift",
        "Multibase/RFC4648Codec.swift",
        "Multicodec/Multicodec.swift",
        "Multicodec/MulticodecRegistry.swift",
        "MultiformatsKit.swift",
        "Multihash/Hashers.swift",
        "Multihash/Multihash.swift",
        "Multihash/MultihashAlgorithm.swift",
        "Multihash/MultihashFactory.swift",
        "Varint/Varint.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.9"
}
Done.