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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 BigNum, reference 5.4.1 (3200f6), with Swift 6.1 for macOS (SPM) on 28 Apr 2025 00:56:58 UTC.

Swift 6 data race errors: 16

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: 4.61.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/dankogai/swift-bignum.git
Reference: 5.4.1
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/dankogai/swift-bignum
 * tag               5.4.1      -> FETCH_HEAD
HEAD is now at 3200f6b switch trigger to on:push:tags
Cloned https://github.com/dankogai/swift-bignum.git
Revision (git rev-parse @):
3200f6ba76308beaf2c6ebc3d2919ec80324f7f4
SUCCESS checkout https://github.com/dankogai/swift-bignum.git at 5.4.1
Fetching https://github.com/attaswift/BigInt
Fetching https://github.com/apple/swift-numerics from cache
[1/4771] Fetching bigint
Fetched https://github.com/attaswift/BigInt from cache (1.22s)
Fetched https://github.com/apple/swift-numerics from cache (1.22s)
Computing version for https://github.com/apple/swift-numerics
Computed https://github.com/apple/swift-numerics at 1.0.3 (1.84s)
Computing version for https://github.com/attaswift/BigInt
Computed https://github.com/attaswift/BigInt at 5.5.1 (0.46s)
Creating working copy for https://github.com/apple/swift-numerics
Working copy of https://github.com/apple/swift-numerics resolved at 1.0.3
Creating working copy for https://github.com/attaswift/BigInt
Working copy of https://github.com/attaswift/BigInt resolved at 5.5.1
========================================
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-bignum",
      "name": "BigNum",
      "url": "https://github.com/dankogai/swift-bignum.git",
      "version": "unspecified",
      "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/swift-bignum",
      "dependencies": [
        {
          "identity": "swift-numerics",
          "name": "swift-numerics",
          "url": "https://github.com/apple/swift-numerics",
          "version": "1.0.3",
          "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/swift-numerics",
          "dependencies": [
          ]
        },
        {
          "identity": "bigint",
          "name": "BigInt",
          "url": "https://github.com/attaswift/BigInt",
          "version": "5.5.1",
          "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/BigInt",
          "dependencies": [
          ]
        }
      ]
    }
  ]
}
Fetching https://github.com/dankogai/swift-bignum.git
[1/1303] Fetching swift-bignum
Fetched https://github.com/dankogai/swift-bignum.git from cache (1.11s)
Fetching https://github.com/apple/swift-numerics from cache
Fetching https://github.com/attaswift/BigInt from cache
Fetched https://github.com/apple/swift-numerics from cache (0.53s)
Fetched https://github.com/attaswift/BigInt from cache (0.53s)
Computing version for https://github.com/apple/swift-numerics
Computed https://github.com/apple/swift-numerics at 1.0.3 (0.60s)
Computing version for https://github.com/attaswift/BigInt
Computed https://github.com/attaswift/BigInt at 5.5.1 (0.03s)
Creating working copy for https://github.com/attaswift/BigInt
Working copy of https://github.com/attaswift/BigInt resolved at 5.5.1
Creating working copy for https://github.com/dankogai/swift-bignum.git
Working copy of https://github.com/dankogai/swift-bignum.git resolved at 5.4.1 (3200f6b)
Creating working copy for https://github.com/apple/swift-numerics
Working copy of https://github.com/apple/swift-numerics resolved at 1.0.3
warning: '.resolve-product-dependencies': dependency 'swift-bignum' is not used by any target
Found 2 product dependencies
  - swift-numerics
  - BigInt
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             6.1
Building package at path:  $PWD
https://github.com/dankogai/swift-bignum.git
https://github.com/dankogai/swift-bignum.git
{
  "dependencies" : [
    {
      "identity" : "swift-numerics",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "1.0.0",
            "upper_bound" : "2.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/apple/swift-numerics"
    },
    {
      "identity" : "bigint",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "5.0.0",
            "upper_bound" : "6.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/attaswift/BigInt"
    }
  ],
  "manifest_display_name" : "BigNum",
  "name" : "BigNum",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
  ],
  "products" : [
    {
      "name" : "BigNum",
      "targets" : [
        "BigNum"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    },
    {
      "name" : "BigNumRun",
      "targets" : [
        "BigNumRun"
      ],
      "type" : {
        "executable" : null
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "BigNumTests",
      "module_type" : "SwiftTarget",
      "name" : "BigNumTests",
      "path" : "Tests/BigNumTests",
      "sources" : [
        "BigNumTests.swift",
        "GenericMathTests.swift",
        "RationalTests.swift",
        "XCTestManifests.swift"
      ],
      "target_dependencies" : [
        "BigNum"
      ],
      "type" : "test"
    },
    {
      "c99name" : "BigNumRun",
      "module_type" : "SwiftTarget",
      "name" : "BigNumRun",
      "path" : "Sources/BigNumRun",
      "product_memberships" : [
        "BigNumRun"
      ],
      "sources" : [
        "main.swift"
      ],
      "target_dependencies" : [
        "BigNum"
      ],
      "type" : "executable"
    },
    {
      "c99name" : "BigNum",
      "module_type" : "SwiftTarget",
      "name" : "BigNum",
      "path" : "Sources/BigNum",
      "product_dependencies" : [
        "BigInt",
        "Numerics"
      ],
      "product_memberships" : [
        "BigNum",
        "BigNumRun"
      ],
      "sources" : [
        "BigFloat.swift",
        "BigNum.swift",
        "GenericMath.swift",
        "Rational.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.0"
}
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...
[0/12] Write sources
[5/12] Write BigNumRun-entitlement.plist
[5/12] Write sources
[7/12] Compiling _NumericsShims _NumericsShims.c
[8/12] Write swift-version-2F0A5646E1D333AE.txt
[10/43] Compiling RealModule AugmentedArithmetic.swift
[11/43] Compiling RealModule Float+Real.swift
[12/44] Compiling RealModule Float80+Real.swift
[13/44] Compiling RealModule ElementaryFunctions.swift
[14/44] Compiling RealModule Real.swift
[15/44] Compiling RealModule AlgebraicField.swift
[16/44] Compiling RealModule ApproximateEquality.swift
[17/44] Compiling RealModule Float16+Real.swift
[18/44] Compiling RealModule Double+Real.swift
[19/44] Emitting module RealModule
[20/44] Compiling RealModule RealFunctions.swift
[21/49] Compiling ComplexModule ElementaryFunctions.swift
[22/49] Compiling ComplexModule Complex.swift
[23/49] Compiling ComplexModule Differentiable.swift
[24/49] Emitting module ComplexModule
[25/49] Compiling ComplexModule Arithmetic.swift
[26/51] Emitting module Numerics
[27/51] Compiling Numerics Numerics.swift
[28/51] Emitting module BigInt
[29/53] Compiling BigInt Subtraction.swift
[30/53] Compiling BigInt Words and Bits.swift
[31/53] Compiling BigInt Integer Conversion.swift
[32/53] Compiling BigInt Multiplication.swift
[33/53] Compiling BigInt Exponentiation.swift
[34/53] Compiling BigInt Floating Point Conversion.swift
[35/53] Compiling BigInt GCD.swift
[36/53] Compiling BigInt Hashable.swift
[37/53] Compiling BigInt Addition.swift
[38/53] Compiling BigInt BigInt.swift
[39/53] Compiling BigInt BigUInt.swift
[40/53] Compiling BigInt Shifts.swift
[41/53] Compiling BigInt Square Root.swift
[42/53] Compiling BigInt Strideable.swift
[43/53] Compiling BigInt String Conversion.swift
[44/53] Compiling BigInt Prime Test.swift
[45/53] Compiling BigInt Random.swift
[46/53] Compiling BigInt Data Conversion.swift
[47/53] Compiling BigInt Division.swift
[48/53] Compiling BigInt Bitwise Ops.swift
[49/53] Compiling BigInt Codable.swift
[50/53] Compiling BigInt Comparable.swift
[51/58] Compiling BigNum Rational.swift
/Users/admin/builder/spi-builder-workspace/Sources/BigNum/Rational.swift:445:23: warning: static property 'precision' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
443 |     public typealias Element = BigInt
444 |     public typealias IntType = BigInt
445 |     public static var precision    = 64
    |                       |- warning: static property 'precision' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: convert 'precision' to a 'let' constant to make 'Sendable' shared state immutable
    |                       |- note: add '@MainActor' to make static property 'precision' part of global actor 'MainActor'
    |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
446 |     public static var roundingRule = FloatingPointRoundingRule.toNearestOrAwayFromZero
447 |     public static var ATAN1 = (precision:0, value:nan)
/Users/admin/builder/spi-builder-workspace/Sources/BigNum/Rational.swift:446:23: warning: static property 'roundingRule' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
444 |     public typealias IntType = BigInt
445 |     public static var precision    = 64
446 |     public static var roundingRule = FloatingPointRoundingRule.toNearestOrAwayFromZero
    |                       |- warning: static property 'roundingRule' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: convert 'roundingRule' to a 'let' constant to make 'Sendable' shared state immutable
    |                       |- note: add '@MainActor' to make static property 'roundingRule' part of global actor 'MainActor'
    |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
447 |     public static var ATAN1 = (precision:0, value:nan)
448 |     public static var E     = (precision:0, value:nan)
/Users/admin/builder/spi-builder-workspace/Sources/BigNum/Rational.swift:447:23: warning: static property 'ATAN1' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
445 |     public static var precision    = 64
446 |     public static var roundingRule = FloatingPointRoundingRule.toNearestOrAwayFromZero
447 |     public static var ATAN1 = (precision:0, value:nan)
    |                       |- warning: static property 'ATAN1' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: convert 'ATAN1' to a 'let' constant to make 'Sendable' shared state immutable
    |                       |- note: add '@MainActor' to make static property 'ATAN1' part of global actor 'MainActor'
    |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
448 |     public static var E     = (precision:0, value:nan)
449 |     public static var SQRT2 = (precision:0, value:nan)
/Users/admin/builder/spi-builder-workspace/Sources/BigNum/Rational.swift:448:23: warning: static property 'E' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
446 |     public static var roundingRule = FloatingPointRoundingRule.toNearestOrAwayFromZero
447 |     public static var ATAN1 = (precision:0, value:nan)
448 |     public static var E     = (precision:0, value:nan)
    |                       |- warning: static property 'E' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: convert 'E' to a 'let' constant to make 'Sendable' shared state immutable
    |                       |- note: add '@MainActor' to make static property 'E' part of global actor 'MainActor'
    |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
449 |     public static var SQRT2 = (precision:0, value:nan)
450 |     public static var LN2   = (precision:0, value:nan)
/Users/admin/builder/spi-builder-workspace/Sources/BigNum/Rational.swift:449:23: warning: static property 'SQRT2' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
447 |     public static var ATAN1 = (precision:0, value:nan)
448 |     public static var E     = (precision:0, value:nan)
449 |     public static var SQRT2 = (precision:0, value:nan)
    |                       |- warning: static property 'SQRT2' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: convert 'SQRT2' to a 'let' constant to make 'Sendable' shared state immutable
    |                       |- note: add '@MainActor' to make static property 'SQRT2' part of global actor 'MainActor'
    |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
450 |     public static var LN2   = (precision:0, value:nan)
451 |     public static var LN10  = (precision:0, value:nan)
/Users/admin/builder/spi-builder-workspace/Sources/BigNum/Rational.swift:450:23: warning: static property 'LN2' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
448 |     public static var E     = (precision:0, value:nan)
449 |     public static var SQRT2 = (precision:0, value:nan)
450 |     public static var LN2   = (precision:0, value:nan)
    |                       |- warning: static property 'LN2' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: convert 'LN2' to a 'let' constant to make 'Sendable' shared state immutable
    |                       |- note: add '@MainActor' to make static property 'LN2' part of global actor 'MainActor'
    |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
451 |     public static var LN10  = (precision:0, value:nan)
452 |     public static var pi: Self { return Self.PI(precision:Self.precision) }
/Users/admin/builder/spi-builder-workspace/Sources/BigNum/Rational.swift:451:23: warning: static property 'LN10' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
449 |     public static var SQRT2 = (precision:0, value:nan)
450 |     public static var LN2   = (precision:0, value:nan)
451 |     public static var LN10  = (precision:0, value:nan)
    |                       |- warning: static property 'LN10' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: convert 'LN10' to a 'let' constant to make 'Sendable' shared state immutable
    |                       |- note: add '@MainActor' to make static property 'LN10' part of global actor 'MainActor'
    |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
452 |     public static var pi: Self { return Self.PI(precision:Self.precision) }
453 |     public static func getEpsilon(precision px:Int)->BigRational {
/Users/admin/builder/spi-builder-workspace/Sources/BigNum/Rational.swift:474:23: warning: static property 'expLimit' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
472 |     /// if smaller than `-expLimit` 0 is returned
473 |     /// anything larger than `+expLimit` +infinity is returned
474 |     public static var expLimit = Self(Int16.max)
    |                       |- warning: static property 'expLimit' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: convert 'expLimit' to a 'let' constant to make 'Sendable' shared state immutable
    |                       |- note: add '@MainActor' to make static property 'expLimit' part of global actor 'MainActor'
    |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
475 |     public func remainder(dividingBy other:BigRational,
476 |                           precision:Int = BigRational.precision,
[52/58] Compiling BigNum BigFloat.swift
/Users/admin/builder/spi-builder-workspace/Sources/BigNum/BigFloat.swift:13:23: warning: static property 'precision' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
 11 |     public var scale:Exponent           // stored property
 12 |     public var mantissa:Significand     // stored property
 13 |     public static var precision = 64
    |                       |- warning: static property 'precision' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: convert 'precision' to a 'let' constant to make 'Sendable' shared state immutable
    |                       |- note: add '@MainActor' to make static property 'precision' part of global actor 'MainActor'
    |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 14 |     public static var roundingRule = FloatingPointRoundingRule.toNearestOrAwayFromZero
 15 |     public static var expLimit     = Self(Int16.max)
/Users/admin/builder/spi-builder-workspace/Sources/BigNum/BigFloat.swift:14:23: warning: static property 'roundingRule' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
 12 |     public var mantissa:Significand     // stored property
 13 |     public static var precision = 64
 14 |     public static var roundingRule = FloatingPointRoundingRule.toNearestOrAwayFromZero
    |                       |- warning: static property 'roundingRule' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: convert 'roundingRule' to a 'let' constant to make 'Sendable' shared state immutable
    |                       |- note: add '@MainActor' to make static property 'roundingRule' part of global actor 'MainActor'
    |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 15 |     public static var expLimit     = Self(Int16.max)
 16 |     // basic init
/Users/admin/builder/spi-builder-workspace/Sources/BigNum/BigFloat.swift:15:23: warning: static property 'expLimit' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
 13 |     public static var precision = 64
 14 |     public static var roundingRule = FloatingPointRoundingRule.toNearestOrAwayFromZero
 15 |     public static var expLimit     = Self(Int16.max)
    |                       |- warning: static property 'expLimit' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: convert 'expLimit' to a 'let' constant to make 'Sendable' shared state immutable
    |                       |- note: add '@MainActor' to make static property 'expLimit' part of global actor 'MainActor'
    |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 16 |     // basic init
 17 |     public init(scale: Exponent, mantissa:Significand) {
/Users/admin/builder/spi-builder-workspace/Sources/BigNum/BigFloat.swift:406:23: warning: static property 'ATAN1' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
404 | extension BigFloat : BigFloatingPoint {
405 |     public typealias IntType = BigInt
406 |     public static var ATAN1 = (precision:0, value:nan)
    |                       |- warning: static property 'ATAN1' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: convert 'ATAN1' to a 'let' constant to make 'Sendable' shared state immutable
    |                       |- note: add '@MainActor' to make static property 'ATAN1' part of global actor 'MainActor'
    |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
407 |     public static var E     = (precision:0, value:nan)
408 |     public static var SQRT2 = (precision:0, value:nan)
/Users/admin/builder/spi-builder-workspace/Sources/BigNum/BigFloat.swift:407:23: warning: static property 'E' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
405 |     public typealias IntType = BigInt
406 |     public static var ATAN1 = (precision:0, value:nan)
407 |     public static var E     = (precision:0, value:nan)
    |                       |- warning: static property 'E' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: convert 'E' to a 'let' constant to make 'Sendable' shared state immutable
    |                       |- note: add '@MainActor' to make static property 'E' part of global actor 'MainActor'
    |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
408 |     public static var SQRT2 = (precision:0, value:nan)
409 |     public static var LN2   = (precision:0, value:nan)
/Users/admin/builder/spi-builder-workspace/Sources/BigNum/BigFloat.swift:408:23: warning: static property 'SQRT2' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
406 |     public static var ATAN1 = (precision:0, value:nan)
407 |     public static var E     = (precision:0, value:nan)
408 |     public static var SQRT2 = (precision:0, value:nan)
    |                       |- warning: static property 'SQRT2' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: convert 'SQRT2' to a 'let' constant to make 'Sendable' shared state immutable
    |                       |- note: add '@MainActor' to make static property 'SQRT2' part of global actor 'MainActor'
    |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
409 |     public static var LN2   = (precision:0, value:nan)
410 |     public static var LN10  = (precision:0, value:nan)
/Users/admin/builder/spi-builder-workspace/Sources/BigNum/BigFloat.swift:409:23: warning: static property 'LN2' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
407 |     public static var E     = (precision:0, value:nan)
408 |     public static var SQRT2 = (precision:0, value:nan)
409 |     public static var LN2   = (precision:0, value:nan)
    |                       |- warning: static property 'LN2' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: convert 'LN2' to a 'let' constant to make 'Sendable' shared state immutable
    |                       |- note: add '@MainActor' to make static property 'LN2' part of global actor 'MainActor'
    |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
410 |     public static var LN10  = (precision:0, value:nan)
411 |     public init(_ value: BigRat) {
/Users/admin/builder/spi-builder-workspace/Sources/BigNum/BigFloat.swift:410:23: warning: static property 'LN10' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
408 |     public static var SQRT2 = (precision:0, value:nan)
409 |     public static var LN2   = (precision:0, value:nan)
410 |     public static var LN10  = (precision:0, value:nan)
    |                       |- warning: static property 'LN10' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: convert 'LN10' to a 'let' constant to make 'Sendable' shared state immutable
    |                       |- note: add '@MainActor' to make static property 'LN10' part of global actor 'MainActor'
    |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
411 |     public init(_ value: BigRat) {
412 |         self.init(value, precision:BigFloat.precision, round:BigFloat.roundingRule)
[53/58] Compiling BigNum BigNum.swift
[54/58] Emitting module BigNum
/Users/admin/builder/spi-builder-workspace/Sources/BigNum/BigFloat.swift:13:23: warning: static property 'precision' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
 11 |     public var scale:Exponent           // stored property
 12 |     public var mantissa:Significand     // stored property
 13 |     public static var precision = 64
    |                       |- warning: static property 'precision' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: convert 'precision' to a 'let' constant to make 'Sendable' shared state immutable
    |                       |- note: add '@MainActor' to make static property 'precision' part of global actor 'MainActor'
    |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 14 |     public static var roundingRule = FloatingPointRoundingRule.toNearestOrAwayFromZero
 15 |     public static var expLimit     = Self(Int16.max)
/Users/admin/builder/spi-builder-workspace/Sources/BigNum/BigFloat.swift:14:23: warning: static property 'roundingRule' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
 12 |     public var mantissa:Significand     // stored property
 13 |     public static var precision = 64
 14 |     public static var roundingRule = FloatingPointRoundingRule.toNearestOrAwayFromZero
    |                       |- warning: static property 'roundingRule' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: convert 'roundingRule' to a 'let' constant to make 'Sendable' shared state immutable
    |                       |- note: add '@MainActor' to make static property 'roundingRule' part of global actor 'MainActor'
    |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 15 |     public static var expLimit     = Self(Int16.max)
 16 |     // basic init
/Users/admin/builder/spi-builder-workspace/Sources/BigNum/BigFloat.swift:15:23: warning: static property 'expLimit' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
 13 |     public static var precision = 64
 14 |     public static var roundingRule = FloatingPointRoundingRule.toNearestOrAwayFromZero
 15 |     public static var expLimit     = Self(Int16.max)
    |                       |- warning: static property 'expLimit' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: convert 'expLimit' to a 'let' constant to make 'Sendable' shared state immutable
    |                       |- note: add '@MainActor' to make static property 'expLimit' part of global actor 'MainActor'
    |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 16 |     // basic init
 17 |     public init(scale: Exponent, mantissa:Significand) {
/Users/admin/builder/spi-builder-workspace/Sources/BigNum/BigFloat.swift:406:23: warning: static property 'ATAN1' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
404 | extension BigFloat : BigFloatingPoint {
405 |     public typealias IntType = BigInt
406 |     public static var ATAN1 = (precision:0, value:nan)
    |                       |- warning: static property 'ATAN1' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: convert 'ATAN1' to a 'let' constant to make 'Sendable' shared state immutable
    |                       |- note: add '@MainActor' to make static property 'ATAN1' part of global actor 'MainActor'
    |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
407 |     public static var E     = (precision:0, value:nan)
408 |     public static var SQRT2 = (precision:0, value:nan)
/Users/admin/builder/spi-builder-workspace/Sources/BigNum/BigFloat.swift:407:23: warning: static property 'E' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
405 |     public typealias IntType = BigInt
406 |     public static var ATAN1 = (precision:0, value:nan)
407 |     public static var E     = (precision:0, value:nan)
    |                       |- warning: static property 'E' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: convert 'E' to a 'let' constant to make 'Sendable' shared state immutable
    |                       |- note: add '@MainActor' to make static property 'E' part of global actor 'MainActor'
    |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
408 |     public static var SQRT2 = (precision:0, value:nan)
409 |     public static var LN2   = (precision:0, value:nan)
/Users/admin/builder/spi-builder-workspace/Sources/BigNum/BigFloat.swift:408:23: warning: static property 'SQRT2' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
406 |     public static var ATAN1 = (precision:0, value:nan)
407 |     public static var E     = (precision:0, value:nan)
408 |     public static var SQRT2 = (precision:0, value:nan)
    |                       |- warning: static property 'SQRT2' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: convert 'SQRT2' to a 'let' constant to make 'Sendable' shared state immutable
    |                       |- note: add '@MainActor' to make static property 'SQRT2' part of global actor 'MainActor'
    |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
409 |     public static var LN2   = (precision:0, value:nan)
410 |     public static var LN10  = (precision:0, value:nan)
/Users/admin/builder/spi-builder-workspace/Sources/BigNum/BigFloat.swift:409:23: warning: static property 'LN2' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
407 |     public static var E     = (precision:0, value:nan)
408 |     public static var SQRT2 = (precision:0, value:nan)
409 |     public static var LN2   = (precision:0, value:nan)
    |                       |- warning: static property 'LN2' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: convert 'LN2' to a 'let' constant to make 'Sendable' shared state immutable
    |                       |- note: add '@MainActor' to make static property 'LN2' part of global actor 'MainActor'
    |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
410 |     public static var LN10  = (precision:0, value:nan)
411 |     public init(_ value: BigRat) {
/Users/admin/builder/spi-builder-workspace/Sources/BigNum/BigFloat.swift:410:23: warning: static property 'LN10' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
408 |     public static var SQRT2 = (precision:0, value:nan)
409 |     public static var LN2   = (precision:0, value:nan)
410 |     public static var LN10  = (precision:0, value:nan)
    |                       |- warning: static property 'LN10' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: convert 'LN10' to a 'let' constant to make 'Sendable' shared state immutable
    |                       |- note: add '@MainActor' to make static property 'LN10' part of global actor 'MainActor'
    |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
411 |     public init(_ value: BigRat) {
412 |         self.init(value, precision:BigFloat.precision, round:BigFloat.roundingRule)
/Users/admin/builder/spi-builder-workspace/Sources/BigNum/Rational.swift:445:23: warning: static property 'precision' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
443 |     public typealias Element = BigInt
444 |     public typealias IntType = BigInt
445 |     public static var precision    = 64
    |                       |- warning: static property 'precision' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: convert 'precision' to a 'let' constant to make 'Sendable' shared state immutable
    |                       |- note: add '@MainActor' to make static property 'precision' part of global actor 'MainActor'
    |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
446 |     public static var roundingRule = FloatingPointRoundingRule.toNearestOrAwayFromZero
447 |     public static var ATAN1 = (precision:0, value:nan)
/Users/admin/builder/spi-builder-workspace/Sources/BigNum/Rational.swift:446:23: warning: static property 'roundingRule' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
444 |     public typealias IntType = BigInt
445 |     public static var precision    = 64
446 |     public static var roundingRule = FloatingPointRoundingRule.toNearestOrAwayFromZero
    |                       |- warning: static property 'roundingRule' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: convert 'roundingRule' to a 'let' constant to make 'Sendable' shared state immutable
    |                       |- note: add '@MainActor' to make static property 'roundingRule' part of global actor 'MainActor'
    |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
447 |     public static var ATAN1 = (precision:0, value:nan)
448 |     public static var E     = (precision:0, value:nan)
/Users/admin/builder/spi-builder-workspace/Sources/BigNum/Rational.swift:447:23: warning: static property 'ATAN1' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
445 |     public static var precision    = 64
446 |     public static var roundingRule = FloatingPointRoundingRule.toNearestOrAwayFromZero
447 |     public static var ATAN1 = (precision:0, value:nan)
    |                       |- warning: static property 'ATAN1' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: convert 'ATAN1' to a 'let' constant to make 'Sendable' shared state immutable
    |                       |- note: add '@MainActor' to make static property 'ATAN1' part of global actor 'MainActor'
    |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
448 |     public static var E     = (precision:0, value:nan)
449 |     public static var SQRT2 = (precision:0, value:nan)
/Users/admin/builder/spi-builder-workspace/Sources/BigNum/Rational.swift:448:23: warning: static property 'E' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
446 |     public static var roundingRule = FloatingPointRoundingRule.toNearestOrAwayFromZero
447 |     public static var ATAN1 = (precision:0, value:nan)
448 |     public static var E     = (precision:0, value:nan)
    |                       |- warning: static property 'E' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: convert 'E' to a 'let' constant to make 'Sendable' shared state immutable
    |                       |- note: add '@MainActor' to make static property 'E' part of global actor 'MainActor'
    |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
449 |     public static var SQRT2 = (precision:0, value:nan)
450 |     public static var LN2   = (precision:0, value:nan)
/Users/admin/builder/spi-builder-workspace/Sources/BigNum/Rational.swift:449:23: warning: static property 'SQRT2' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
447 |     public static var ATAN1 = (precision:0, value:nan)
448 |     public static var E     = (precision:0, value:nan)
449 |     public static var SQRT2 = (precision:0, value:nan)
    |                       |- warning: static property 'SQRT2' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: convert 'SQRT2' to a 'let' constant to make 'Sendable' shared state immutable
    |                       |- note: add '@MainActor' to make static property 'SQRT2' part of global actor 'MainActor'
    |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
450 |     public static var LN2   = (precision:0, value:nan)
451 |     public static var LN10  = (precision:0, value:nan)
/Users/admin/builder/spi-builder-workspace/Sources/BigNum/Rational.swift:450:23: warning: static property 'LN2' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
448 |     public static var E     = (precision:0, value:nan)
449 |     public static var SQRT2 = (precision:0, value:nan)
450 |     public static var LN2   = (precision:0, value:nan)
    |                       |- warning: static property 'LN2' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: convert 'LN2' to a 'let' constant to make 'Sendable' shared state immutable
    |                       |- note: add '@MainActor' to make static property 'LN2' part of global actor 'MainActor'
    |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
451 |     public static var LN10  = (precision:0, value:nan)
452 |     public static var pi: Self { return Self.PI(precision:Self.precision) }
/Users/admin/builder/spi-builder-workspace/Sources/BigNum/Rational.swift:451:23: warning: static property 'LN10' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
449 |     public static var SQRT2 = (precision:0, value:nan)
450 |     public static var LN2   = (precision:0, value:nan)
451 |     public static var LN10  = (precision:0, value:nan)
    |                       |- warning: static property 'LN10' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: convert 'LN10' to a 'let' constant to make 'Sendable' shared state immutable
    |                       |- note: add '@MainActor' to make static property 'LN10' part of global actor 'MainActor'
    |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
452 |     public static var pi: Self { return Self.PI(precision:Self.precision) }
453 |     public static func getEpsilon(precision px:Int)->BigRational {
/Users/admin/builder/spi-builder-workspace/Sources/BigNum/Rational.swift:474:23: warning: static property 'expLimit' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
472 |     /// if smaller than `-expLimit` 0 is returned
473 |     /// anything larger than `+expLimit` +infinity is returned
474 |     public static var expLimit = Self(Int16.max)
    |                       |- warning: static property 'expLimit' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: convert 'expLimit' to a 'let' constant to make 'Sendable' shared state immutable
    |                       |- note: add '@MainActor' to make static property 'expLimit' part of global actor 'MainActor'
    |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
475 |     public func remainder(dividingBy other:BigRational,
476 |                           precision:Int = BigRational.precision,
[55/58] Compiling BigNum GenericMath.swift
[56/60] Emitting module BigNumRun
[57/60] Compiling BigNumRun main.swift
[57/60] Write Objects.LinkFileList
[58/60] Linking BigNumRun
[59/60] Applying BigNumRun
Build complete! (7.10s)
Build complete.
{
  "dependencies" : [
    {
      "identity" : "swift-numerics",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "1.0.0",
            "upper_bound" : "2.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/apple/swift-numerics"
    },
    {
      "identity" : "bigint",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "5.0.0",
            "upper_bound" : "6.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/attaswift/BigInt"
    }
  ],
  "manifest_display_name" : "BigNum",
  "name" : "BigNum",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
  ],
  "products" : [
    {
      "name" : "BigNum",
      "targets" : [
        "BigNum"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    },
    {
      "name" : "BigNumRun",
      "targets" : [
        "BigNumRun"
      ],
      "type" : {
        "executable" : null
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "BigNumTests",
      "module_type" : "SwiftTarget",
      "name" : "BigNumTests",
      "path" : "Tests/BigNumTests",
      "sources" : [
        "BigNumTests.swift",
        "GenericMathTests.swift",
        "RationalTests.swift",
        "XCTestManifests.swift"
      ],
      "target_dependencies" : [
        "BigNum"
      ],
      "type" : "test"
    },
    {
      "c99name" : "BigNumRun",
      "module_type" : "SwiftTarget",
      "name" : "BigNumRun",
      "path" : "Sources/BigNumRun",
      "product_memberships" : [
        "BigNumRun"
      ],
      "sources" : [
        "main.swift"
      ],
      "target_dependencies" : [
        "BigNum"
      ],
      "type" : "executable"
    },
    {
      "c99name" : "BigNum",
      "module_type" : "SwiftTarget",
      "name" : "BigNum",
      "path" : "Sources/BigNum",
      "product_dependencies" : [
        "BigInt",
        "Numerics"
      ],
      "product_memberships" : [
        "BigNum",
        "BigNumRun"
      ],
      "sources" : [
        "BigFloat.swift",
        "BigNum.swift",
        "GenericMath.swift",
        "Rational.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.0"
}
Done.