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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 NumberKit, reference 2.5.1 (38c649), with Swift 6.0 for macOS (SPM) on 30 Nov 2024 22:34:10 UTC.

Swift 6 data race errors: 8

Build Command

env DEVELOPER_DIR=/Applications/Xcode-16.1.0.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: 4.58.1
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/objecthub/swift-numberkit.git
Reference: 2.5.1
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/objecthub/swift-numberkit
 * tag               2.5.1      -> FETCH_HEAD
HEAD is now at 38c649a Make usage of `StaticBigInt` conditionally. Reduce deployment target requirements down to macOS 10.13 and iOS 13.
Cloned https://github.com/objecthub/swift-numberkit.git
Revision (git rev-parse @):
38c649a58989ae80f8b0694b0b9826130df5c18f
SUCCESS checkout https://github.com/objecthub/swift-numberkit.git at 2.5.1
========================================
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-numberkit",
      "name": "NumberKit",
      "url": "https://github.com/objecthub/swift-numberkit.git",
      "version": "unspecified",
      "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/swift-numberkit",
      "dependencies": [
      ]
    }
  ]
}
Fetching https://github.com/objecthub/swift-numberkit.git
[11/1025] Fetching swift-numberkit
Fetched https://github.com/objecthub/swift-numberkit.git from cache (1.06s)
Creating working copy for https://github.com/objecthub/swift-numberkit.git
Working copy of https://github.com/objecthub/swift-numberkit.git resolved at 2.5.1 (38c649a)
warning: '.resolve-product-dependencies': dependency 'swift-numberkit' is not used by any target
Found 0 product dependencies
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             6.0
Building package at path:  $PWD
https://github.com/objecthub/swift-numberkit.git
{
  "dependencies" : [
  ],
  "manifest_display_name" : "NumberKit",
  "name" : "NumberKit",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
  ],
  "products" : [
    {
      "name" : "NumberKit",
      "targets" : [
        "NumberKit"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "swift_languages_versions" : [
    "5"
  ],
  "targets" : [
    {
      "c99name" : "NumberKitTests",
      "module_type" : "SwiftTarget",
      "name" : "NumberKitTests",
      "path" : "Tests/NumberKitTests",
      "sources" : [
        "BigIntTests.swift",
        "CodableTests.swift",
        "ComplexTests.swift",
        "IntegerNumberTests.swift",
        "IntegerTests.swift",
        "NumberUtilTests.swift",
        "RationalTests.swift"
      ],
      "target_dependencies" : [
        "NumberKit"
      ],
      "type" : "test"
    },
    {
      "c99name" : "NumberKit",
      "module_type" : "SwiftTarget",
      "name" : "NumberKit",
      "path" : "Sources/NumberKit",
      "product_memberships" : [
        "NumberKit"
      ],
      "sources" : [
        "BigInt.swift",
        "Complex.swift",
        "FloatingPointNumber.swift",
        "Integer.swift",
        "IntegerNumber.swift",
        "NumberUtil.swift",
        "Rational.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.4"
}
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-16.1.0.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...
[0/2] Write sources
[1/2] Write swift-version--7754E27361AE5C74.txt
[3/10] Compiling NumberKit Rational.swift
[4/10] Compiling NumberKit IntegerNumber.swift
/Users/admin/builder/spi-builder-workspace/Sources/NumberKit/IntegerNumber.swift:186:1: warning: extension declares a conformance of imported type 'UInt' to imported protocol 'SignedNumeric'; this will not behave correctly if the owners of 'Swift' introduce this conformance in the future
184 | }
185 |
186 | extension UInt: IntegerNumber {
    | |- warning: extension declares a conformance of imported type 'UInt' to imported protocol 'SignedNumeric'; this will not behave correctly if the owners of 'Swift' introduce this conformance in the future
    | `- note: add '@retroactive' to silence this warning
187 |   public var doubleValue: Double {
188 |     return Double(self)
/Users/admin/builder/spi-builder-workspace/Sources/NumberKit/IntegerNumber.swift:198:1: warning: extension declares a conformance of imported type 'UInt8' to imported protocol 'SignedNumeric'; this will not behave correctly if the owners of 'Swift' introduce this conformance in the future
196 | }
197 |
198 | extension UInt8: IntegerNumber {
    | |- warning: extension declares a conformance of imported type 'UInt8' to imported protocol 'SignedNumeric'; this will not behave correctly if the owners of 'Swift' introduce this conformance in the future
    | `- note: add '@retroactive' to silence this warning
199 |   public var doubleValue: Double {
200 |     return Double(self)
/Users/admin/builder/spi-builder-workspace/Sources/NumberKit/IntegerNumber.swift:210:1: warning: extension declares a conformance of imported type 'UInt16' to imported protocol 'SignedNumeric'; this will not behave correctly if the owners of 'Swift' introduce this conformance in the future
208 | }
209 |
210 | extension UInt16: IntegerNumber {
    | |- warning: extension declares a conformance of imported type 'UInt16' to imported protocol 'SignedNumeric'; this will not behave correctly if the owners of 'Swift' introduce this conformance in the future
    | `- note: add '@retroactive' to silence this warning
211 |   public var doubleValue: Double {
212 |     return Double(self)
/Users/admin/builder/spi-builder-workspace/Sources/NumberKit/IntegerNumber.swift:222:1: warning: extension declares a conformance of imported type 'UInt32' to imported protocol 'SignedNumeric'; this will not behave correctly if the owners of 'Swift' introduce this conformance in the future
220 | }
221 |
222 | extension UInt32: IntegerNumber {
    | |- warning: extension declares a conformance of imported type 'UInt32' to imported protocol 'SignedNumeric'; this will not behave correctly if the owners of 'Swift' introduce this conformance in the future
    | `- note: add '@retroactive' to silence this warning
223 |   public var doubleValue: Double {
224 |     return Double(self)
/Users/admin/builder/spi-builder-workspace/Sources/NumberKit/IntegerNumber.swift:234:1: warning: extension declares a conformance of imported type 'UInt64' to imported protocol 'SignedNumeric'; this will not behave correctly if the owners of 'Swift' introduce this conformance in the future
232 | }
233 |
234 | extension UInt64: IntegerNumber {
    | |- warning: extension declares a conformance of imported type 'UInt64' to imported protocol 'SignedNumeric'; this will not behave correctly if the owners of 'Swift' introduce this conformance in the future
    | `- note: add '@retroactive' to silence this warning
235 |   public var doubleValue: Double {
236 |     return Double(self)
[5/10] Compiling NumberKit FloatingPointNumber.swift
[6/10] Compiling NumberKit NumberUtil.swift
[7/10] Compiling NumberKit Integer.swift
[8/10] Compiling NumberKit Complex.swift
[9/10] Emitting module NumberKit
/Users/admin/builder/spi-builder-workspace/Sources/NumberKit/BigInt.swift:75:23: warning: static property 'bin' is not concurrency-safe because non-'Sendable' type 'BigInt.Base' may have shared mutable state; this is an error in the Swift 6 language mode
  72 |   /// - Note: It is currently not possible to define custom `Base` objects. It needs
  73 |   ///         to be figured out first what safety checks need to be put in place.
  74 |   public final class Base {
     |                      `- note: class 'Base' does not conform to the 'Sendable' protocol
  75 |     public static let bin = BigInt.binBase
     |                       |- warning: static property 'bin' is not concurrency-safe because non-'Sendable' type 'BigInt.Base' may have shared mutable state; this is an error in the Swift 6 language mode
     |                       |- note: annotate 'bin' with '@MainActor' if property should only be accessed from the main actor
     |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
  76 |     public static let oct = BigInt.octBase
  77 |     public static let dec = BigInt.decBase
/Users/admin/builder/spi-builder-workspace/Sources/NumberKit/BigInt.swift:94:21: warning: static property 'binBase' is not concurrency-safe because non-'Sendable' type 'BigInt.Base' may have shared mutable state; this is an error in the Swift 6 language mode
  72 |   /// - Note: It is currently not possible to define custom `Base` objects. It needs
  73 |   ///         to be figured out first what safety checks need to be put in place.
  74 |   public final class Base {
     |                      `- note: class 'Base' does not conform to the 'Sendable' protocol
  75 |     public static let bin = BigInt.binBase
  76 |     public static let oct = BigInt.octBase
     :
  92 |
  93 |   /// Representing base 2 (binary)
  94 |   public static let binBase = Base(
     |                     |- warning: static property 'binBase' is not concurrency-safe because non-'Sendable' type 'BigInt.Base' may have shared mutable state; this is an error in the Swift 6 language mode
     |                     |- note: annotate 'binBase' with '@MainActor' if property should only be accessed from the main actor
     |                     `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
  95 |     digitSpace: ["0", "1"],
  96 |     digitMap: ["0": 0, "1": 1]
/Users/admin/builder/spi-builder-workspace/Sources/NumberKit/BigInt.swift:76:23: warning: static property 'oct' is not concurrency-safe because non-'Sendable' type 'BigInt.Base' may have shared mutable state; this is an error in the Swift 6 language mode
  72 |   /// - Note: It is currently not possible to define custom `Base` objects. It needs
  73 |   ///         to be figured out first what safety checks need to be put in place.
  74 |   public final class Base {
     |                      `- note: class 'Base' does not conform to the 'Sendable' protocol
  75 |     public static let bin = BigInt.binBase
  76 |     public static let oct = BigInt.octBase
     |                       |- warning: static property 'oct' is not concurrency-safe because non-'Sendable' type 'BigInt.Base' may have shared mutable state; this is an error in the Swift 6 language mode
     |                       |- note: annotate 'oct' with '@MainActor' if property should only be accessed from the main actor
     |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
  77 |     public static let dec = BigInt.decBase
  78 |     public static let hex = BigInt.hexBase
/Users/admin/builder/spi-builder-workspace/Sources/NumberKit/BigInt.swift:100:21: warning: static property 'octBase' is not concurrency-safe because non-'Sendable' type 'BigInt.Base' may have shared mutable state; this is an error in the Swift 6 language mode
  72 |   /// - Note: It is currently not possible to define custom `Base` objects. It needs
  73 |   ///         to be figured out first what safety checks need to be put in place.
  74 |   public final class Base {
     |                      `- note: class 'Base' does not conform to the 'Sendable' protocol
  75 |     public static let bin = BigInt.binBase
  76 |     public static let oct = BigInt.octBase
     :
  98 |
  99 |   /// Representing base 8 (octal)
 100 |   public static let octBase = Base(
     |                     |- warning: static property 'octBase' is not concurrency-safe because non-'Sendable' type 'BigInt.Base' may have shared mutable state; this is an error in the Swift 6 language mode
     |                     |- note: annotate 'octBase' with '@MainActor' if property should only be accessed from the main actor
     |                     `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 101 |     digitSpace: ["0", "1", "2", "3", "4", "5", "6", "7"],
 102 |     digitMap: ["0": 0, "1": 1, "2": 2, "3": 3, "4": 4, "5": 5, "6": 6, "7": 7]
/Users/admin/builder/spi-builder-workspace/Sources/NumberKit/BigInt.swift:77:23: warning: static property 'dec' is not concurrency-safe because non-'Sendable' type 'BigInt.Base' may have shared mutable state; this is an error in the Swift 6 language mode
  72 |   /// - Note: It is currently not possible to define custom `Base` objects. It needs
  73 |   ///         to be figured out first what safety checks need to be put in place.
  74 |   public final class Base {
     |                      `- note: class 'Base' does not conform to the 'Sendable' protocol
  75 |     public static let bin = BigInt.binBase
  76 |     public static let oct = BigInt.octBase
  77 |     public static let dec = BigInt.decBase
     |                       |- warning: static property 'dec' is not concurrency-safe because non-'Sendable' type 'BigInt.Base' may have shared mutable state; this is an error in the Swift 6 language mode
     |                       |- note: annotate 'dec' with '@MainActor' if property should only be accessed from the main actor
     |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
  78 |     public static let hex = BigInt.hexBase
  79 |
/Users/admin/builder/spi-builder-workspace/Sources/NumberKit/BigInt.swift:106:21: warning: static property 'decBase' is not concurrency-safe because non-'Sendable' type 'BigInt.Base' may have shared mutable state; this is an error in the Swift 6 language mode
  72 |   /// - Note: It is currently not possible to define custom `Base` objects. It needs
  73 |   ///         to be figured out first what safety checks need to be put in place.
  74 |   public final class Base {
     |                      `- note: class 'Base' does not conform to the 'Sendable' protocol
  75 |     public static let bin = BigInt.binBase
  76 |     public static let oct = BigInt.octBase
     :
 104 |
 105 |   /// Representing base 10 (decimal)
 106 |   public static let decBase = Base(
     |                     |- warning: static property 'decBase' is not concurrency-safe because non-'Sendable' type 'BigInt.Base' may have shared mutable state; this is an error in the Swift 6 language mode
     |                     |- note: annotate 'decBase' with '@MainActor' if property should only be accessed from the main actor
     |                     `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 107 |     digitSpace: ["0", "1", "2", "3", "4", "5", "6", "7", "8", "9"],
 108 |     digitMap: ["0": 0, "1": 1, "2": 2, "3": 3, "4": 4, "5": 5, "6": 6, "7": 7, "8": 8, "9": 9]
/Users/admin/builder/spi-builder-workspace/Sources/NumberKit/BigInt.swift:78:23: warning: static property 'hex' is not concurrency-safe because non-'Sendable' type 'BigInt.Base' may have shared mutable state; this is an error in the Swift 6 language mode
  72 |   /// - Note: It is currently not possible to define custom `Base` objects. It needs
  73 |   ///         to be figured out first what safety checks need to be put in place.
  74 |   public final class Base {
     |                      `- note: class 'Base' does not conform to the 'Sendable' protocol
  75 |     public static let bin = BigInt.binBase
  76 |     public static let oct = BigInt.octBase
  77 |     public static let dec = BigInt.decBase
  78 |     public static let hex = BigInt.hexBase
     |                       |- warning: static property 'hex' is not concurrency-safe because non-'Sendable' type 'BigInt.Base' may have shared mutable state; this is an error in the Swift 6 language mode
     |                       |- note: annotate 'hex' with '@MainActor' if property should only be accessed from the main actor
     |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
  79 |
  80 |     fileprivate let digitSpace: [Character]
/Users/admin/builder/spi-builder-workspace/Sources/NumberKit/BigInt.swift:112:21: warning: static property 'hexBase' is not concurrency-safe because non-'Sendable' type 'BigInt.Base' may have shared mutable state; this is an error in the Swift 6 language mode
  72 |   /// - Note: It is currently not possible to define custom `Base` objects. It needs
  73 |   ///         to be figured out first what safety checks need to be put in place.
  74 |   public final class Base {
     |                      `- note: class 'Base' does not conform to the 'Sendable' protocol
  75 |     public static let bin = BigInt.binBase
  76 |     public static let oct = BigInt.octBase
     :
 110 |
 111 |   /// Representing base 16 (hex)
 112 |   public static let hexBase = Base(
     |                     |- warning: static property 'hexBase' is not concurrency-safe because non-'Sendable' type 'BigInt.Base' may have shared mutable state; this is an error in the Swift 6 language mode
     |                     |- note: annotate 'hexBase' with '@MainActor' if property should only be accessed from the main actor
     |                     `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 113 |     digitSpace: ["0", "1", "2", "3", "4", "5", "6", "7", "8", "9", "A", "B", "C", "D", "E", "F"],
 114 |     digitMap: ["0": 0, "1": 1, "2": 2, "3": 3, "4": 4, "5": 5, "6": 6, "7": 7, "8": 8, "9": 9,
/Users/admin/builder/spi-builder-workspace/Sources/NumberKit/IntegerNumber.swift:186:1: warning: extension declares a conformance of imported type 'UInt' to imported protocol 'SignedNumeric'; this will not behave correctly if the owners of 'Swift' introduce this conformance in the future
184 | }
185 |
186 | extension UInt: IntegerNumber {
    | |- warning: extension declares a conformance of imported type 'UInt' to imported protocol 'SignedNumeric'; this will not behave correctly if the owners of 'Swift' introduce this conformance in the future
    | `- note: add '@retroactive' to silence this warning
187 |   public var doubleValue: Double {
188 |     return Double(self)
/Users/admin/builder/spi-builder-workspace/Sources/NumberKit/IntegerNumber.swift:198:1: warning: extension declares a conformance of imported type 'UInt8' to imported protocol 'SignedNumeric'; this will not behave correctly if the owners of 'Swift' introduce this conformance in the future
196 | }
197 |
198 | extension UInt8: IntegerNumber {
    | |- warning: extension declares a conformance of imported type 'UInt8' to imported protocol 'SignedNumeric'; this will not behave correctly if the owners of 'Swift' introduce this conformance in the future
    | `- note: add '@retroactive' to silence this warning
199 |   public var doubleValue: Double {
200 |     return Double(self)
/Users/admin/builder/spi-builder-workspace/Sources/NumberKit/IntegerNumber.swift:210:1: warning: extension declares a conformance of imported type 'UInt16' to imported protocol 'SignedNumeric'; this will not behave correctly if the owners of 'Swift' introduce this conformance in the future
208 | }
209 |
210 | extension UInt16: IntegerNumber {
    | |- warning: extension declares a conformance of imported type 'UInt16' to imported protocol 'SignedNumeric'; this will not behave correctly if the owners of 'Swift' introduce this conformance in the future
    | `- note: add '@retroactive' to silence this warning
211 |   public var doubleValue: Double {
212 |     return Double(self)
/Users/admin/builder/spi-builder-workspace/Sources/NumberKit/IntegerNumber.swift:222:1: warning: extension declares a conformance of imported type 'UInt32' to imported protocol 'SignedNumeric'; this will not behave correctly if the owners of 'Swift' introduce this conformance in the future
220 | }
221 |
222 | extension UInt32: IntegerNumber {
    | |- warning: extension declares a conformance of imported type 'UInt32' to imported protocol 'SignedNumeric'; this will not behave correctly if the owners of 'Swift' introduce this conformance in the future
    | `- note: add '@retroactive' to silence this warning
223 |   public var doubleValue: Double {
224 |     return Double(self)
/Users/admin/builder/spi-builder-workspace/Sources/NumberKit/IntegerNumber.swift:234:1: warning: extension declares a conformance of imported type 'UInt64' to imported protocol 'SignedNumeric'; this will not behave correctly if the owners of 'Swift' introduce this conformance in the future
232 | }
233 |
234 | extension UInt64: IntegerNumber {
    | |- warning: extension declares a conformance of imported type 'UInt64' to imported protocol 'SignedNumeric'; this will not behave correctly if the owners of 'Swift' introduce this conformance in the future
    | `- note: add '@retroactive' to silence this warning
235 |   public var doubleValue: Double {
236 |     return Double(self)
[10/10] Compiling NumberKit BigInt.swift
/Users/admin/builder/spi-builder-workspace/Sources/NumberKit/BigInt.swift:75:23: warning: static property 'bin' is not concurrency-safe because non-'Sendable' type 'BigInt.Base' may have shared mutable state; this is an error in the Swift 6 language mode
  72 |   /// - Note: It is currently not possible to define custom `Base` objects. It needs
  73 |   ///         to be figured out first what safety checks need to be put in place.
  74 |   public final class Base {
     |                      `- note: class 'Base' does not conform to the 'Sendable' protocol
  75 |     public static let bin = BigInt.binBase
     |                       |- warning: static property 'bin' is not concurrency-safe because non-'Sendable' type 'BigInt.Base' may have shared mutable state; this is an error in the Swift 6 language mode
     |                       |- note: annotate 'bin' with '@MainActor' if property should only be accessed from the main actor
     |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
  76 |     public static let oct = BigInt.octBase
  77 |     public static let dec = BigInt.decBase
/Users/admin/builder/spi-builder-workspace/Sources/NumberKit/BigInt.swift:94:21: warning: static property 'binBase' is not concurrency-safe because non-'Sendable' type 'BigInt.Base' may have shared mutable state; this is an error in the Swift 6 language mode
  72 |   /// - Note: It is currently not possible to define custom `Base` objects. It needs
  73 |   ///         to be figured out first what safety checks need to be put in place.
  74 |   public final class Base {
     |                      `- note: class 'Base' does not conform to the 'Sendable' protocol
  75 |     public static let bin = BigInt.binBase
  76 |     public static let oct = BigInt.octBase
     :
  92 |
  93 |   /// Representing base 2 (binary)
  94 |   public static let binBase = Base(
     |                     |- warning: static property 'binBase' is not concurrency-safe because non-'Sendable' type 'BigInt.Base' may have shared mutable state; this is an error in the Swift 6 language mode
     |                     |- note: annotate 'binBase' with '@MainActor' if property should only be accessed from the main actor
     |                     `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
  95 |     digitSpace: ["0", "1"],
  96 |     digitMap: ["0": 0, "1": 1]
/Users/admin/builder/spi-builder-workspace/Sources/NumberKit/BigInt.swift:76:23: warning: static property 'oct' is not concurrency-safe because non-'Sendable' type 'BigInt.Base' may have shared mutable state; this is an error in the Swift 6 language mode
  72 |   /// - Note: It is currently not possible to define custom `Base` objects. It needs
  73 |   ///         to be figured out first what safety checks need to be put in place.
  74 |   public final class Base {
     |                      `- note: class 'Base' does not conform to the 'Sendable' protocol
  75 |     public static let bin = BigInt.binBase
  76 |     public static let oct = BigInt.octBase
     |                       |- warning: static property 'oct' is not concurrency-safe because non-'Sendable' type 'BigInt.Base' may have shared mutable state; this is an error in the Swift 6 language mode
     |                       |- note: annotate 'oct' with '@MainActor' if property should only be accessed from the main actor
     |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
  77 |     public static let dec = BigInt.decBase
  78 |     public static let hex = BigInt.hexBase
/Users/admin/builder/spi-builder-workspace/Sources/NumberKit/BigInt.swift:100:21: warning: static property 'octBase' is not concurrency-safe because non-'Sendable' type 'BigInt.Base' may have shared mutable state; this is an error in the Swift 6 language mode
  72 |   /// - Note: It is currently not possible to define custom `Base` objects. It needs
  73 |   ///         to be figured out first what safety checks need to be put in place.
  74 |   public final class Base {
     |                      `- note: class 'Base' does not conform to the 'Sendable' protocol
  75 |     public static let bin = BigInt.binBase
  76 |     public static let oct = BigInt.octBase
     :
  98 |
  99 |   /// Representing base 8 (octal)
 100 |   public static let octBase = Base(
     |                     |- warning: static property 'octBase' is not concurrency-safe because non-'Sendable' type 'BigInt.Base' may have shared mutable state; this is an error in the Swift 6 language mode
     |                     |- note: annotate 'octBase' with '@MainActor' if property should only be accessed from the main actor
     |                     `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 101 |     digitSpace: ["0", "1", "2", "3", "4", "5", "6", "7"],
 102 |     digitMap: ["0": 0, "1": 1, "2": 2, "3": 3, "4": 4, "5": 5, "6": 6, "7": 7]
/Users/admin/builder/spi-builder-workspace/Sources/NumberKit/BigInt.swift:77:23: warning: static property 'dec' is not concurrency-safe because non-'Sendable' type 'BigInt.Base' may have shared mutable state; this is an error in the Swift 6 language mode
  72 |   /// - Note: It is currently not possible to define custom `Base` objects. It needs
  73 |   ///         to be figured out first what safety checks need to be put in place.
  74 |   public final class Base {
     |                      `- note: class 'Base' does not conform to the 'Sendable' protocol
  75 |     public static let bin = BigInt.binBase
  76 |     public static let oct = BigInt.octBase
  77 |     public static let dec = BigInt.decBase
     |                       |- warning: static property 'dec' is not concurrency-safe because non-'Sendable' type 'BigInt.Base' may have shared mutable state; this is an error in the Swift 6 language mode
     |                       |- note: annotate 'dec' with '@MainActor' if property should only be accessed from the main actor
     |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
  78 |     public static let hex = BigInt.hexBase
  79 |
/Users/admin/builder/spi-builder-workspace/Sources/NumberKit/BigInt.swift:106:21: warning: static property 'decBase' is not concurrency-safe because non-'Sendable' type 'BigInt.Base' may have shared mutable state; this is an error in the Swift 6 language mode
  72 |   /// - Note: It is currently not possible to define custom `Base` objects. It needs
  73 |   ///         to be figured out first what safety checks need to be put in place.
  74 |   public final class Base {
     |                      `- note: class 'Base' does not conform to the 'Sendable' protocol
  75 |     public static let bin = BigInt.binBase
  76 |     public static let oct = BigInt.octBase
     :
 104 |
 105 |   /// Representing base 10 (decimal)
 106 |   public static let decBase = Base(
     |                     |- warning: static property 'decBase' is not concurrency-safe because non-'Sendable' type 'BigInt.Base' may have shared mutable state; this is an error in the Swift 6 language mode
     |                     |- note: annotate 'decBase' with '@MainActor' if property should only be accessed from the main actor
     |                     `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 107 |     digitSpace: ["0", "1", "2", "3", "4", "5", "6", "7", "8", "9"],
 108 |     digitMap: ["0": 0, "1": 1, "2": 2, "3": 3, "4": 4, "5": 5, "6": 6, "7": 7, "8": 8, "9": 9]
/Users/admin/builder/spi-builder-workspace/Sources/NumberKit/BigInt.swift:78:23: warning: static property 'hex' is not concurrency-safe because non-'Sendable' type 'BigInt.Base' may have shared mutable state; this is an error in the Swift 6 language mode
  72 |   /// - Note: It is currently not possible to define custom `Base` objects. It needs
  73 |   ///         to be figured out first what safety checks need to be put in place.
  74 |   public final class Base {
     |                      `- note: class 'Base' does not conform to the 'Sendable' protocol
  75 |     public static let bin = BigInt.binBase
  76 |     public static let oct = BigInt.octBase
  77 |     public static let dec = BigInt.decBase
  78 |     public static let hex = BigInt.hexBase
     |                       |- warning: static property 'hex' is not concurrency-safe because non-'Sendable' type 'BigInt.Base' may have shared mutable state; this is an error in the Swift 6 language mode
     |                       |- note: annotate 'hex' with '@MainActor' if property should only be accessed from the main actor
     |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
  79 |
  80 |     fileprivate let digitSpace: [Character]
/Users/admin/builder/spi-builder-workspace/Sources/NumberKit/BigInt.swift:112:21: warning: static property 'hexBase' is not concurrency-safe because non-'Sendable' type 'BigInt.Base' may have shared mutable state; this is an error in the Swift 6 language mode
  72 |   /// - Note: It is currently not possible to define custom `Base` objects. It needs
  73 |   ///         to be figured out first what safety checks need to be put in place.
  74 |   public final class Base {
     |                      `- note: class 'Base' does not conform to the 'Sendable' protocol
  75 |     public static let bin = BigInt.binBase
  76 |     public static let oct = BigInt.octBase
     :
 110 |
 111 |   /// Representing base 16 (hex)
 112 |   public static let hexBase = Base(
     |                     |- warning: static property 'hexBase' is not concurrency-safe because non-'Sendable' type 'BigInt.Base' may have shared mutable state; this is an error in the Swift 6 language mode
     |                     |- note: annotate 'hexBase' with '@MainActor' if property should only be accessed from the main actor
     |                     `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 113 |     digitSpace: ["0", "1", "2", "3", "4", "5", "6", "7", "8", "9", "A", "B", "C", "D", "E", "F"],
 114 |     digitMap: ["0": 0, "1": 1, "2": 2, "3": 3, "4": 4, "5": 5, "6": 6, "7": 7, "8": 8, "9": 9,
Build complete! (9.70s)
Build complete.
{
  "dependencies" : [
  ],
  "manifest_display_name" : "NumberKit",
  "name" : "NumberKit",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
  ],
  "products" : [
    {
      "name" : "NumberKit",
      "targets" : [
        "NumberKit"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "swift_languages_versions" : [
    "5"
  ],
  "targets" : [
    {
      "c99name" : "NumberKitTests",
      "module_type" : "SwiftTarget",
      "name" : "NumberKitTests",
      "path" : "Tests/NumberKitTests",
      "sources" : [
        "BigIntTests.swift",
        "CodableTests.swift",
        "ComplexTests.swift",
        "IntegerNumberTests.swift",
        "IntegerTests.swift",
        "NumberUtilTests.swift",
        "RationalTests.swift"
      ],
      "target_dependencies" : [
        "NumberKit"
      ],
      "type" : "test"
    },
    {
      "c99name" : "NumberKit",
      "module_type" : "SwiftTarget",
      "name" : "NumberKit",
      "path" : "Sources/NumberKit",
      "product_memberships" : [
        "NumberKit"
      ],
      "sources" : [
        "BigInt.swift",
        "Complex.swift",
        "FloatingPointNumber.swift",
        "Integer.swift",
        "IntegerNumber.swift",
        "NumberUtil.swift",
        "Rational.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.4"
}
Done.