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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

Failed to build BigInt, reference 1.21.0 (afb70a), with Swift 6.0 for Linux on 2 Dec 2024 12:17:20 UTC.

Build Command

bash -c docker run --pull=always --rm -v "checkouts-4606859-0":/host -w "$PWD" registry.gitlab.com/finestructure/spi-images:basic-6.0-latest swift build --triple x86_64-unknown-linux-gnu -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 2>&1

Build Log

========================================
RunAll
========================================
Builder version: 4.58.2
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/leif-ibsen/BigInt.git
Reference: 1.21.0
Initialized empty Git repository in /host/spi-builder-workspace/.git/
hint: Using 'master' as the name for the initial branch. This default branch name
hint: is subject to change. To configure the initial branch name to use in all
hint: of your new repositories, which will suppress this warning, call:
hint:
hint: 	git config --global init.defaultBranch <name>
hint:
hint: Names commonly chosen instead of 'master' are 'main', 'trunk' and
hint: 'development'. The just-created branch can be renamed via this command:
hint:
hint: 	git branch -m <name>
From https://github.com/leif-ibsen/BigInt
 * tag               1.21.0     -> FETCH_HEAD
HEAD is now at afb70a0 Release 1.21.0
Cloned https://github.com/leif-ibsen/BigInt.git
Revision (git rev-parse @):
afb70a0038bfbba845271b60fa9a58d5840f8017
SUCCESS checkout https://github.com/leif-ibsen/BigInt.git at 1.21.0
========================================
Build
========================================
Selected platform:         linux
Swift version:             6.0
Building package at path:  $PWD
https://github.com/leif-ibsen/BigInt.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4606859-0":/host -w "$PWD" registry.gitlab.com/finestructure/spi-images:basic-6.0-latest swift build --triple x86_64-unknown-linux-gnu -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 2>&1
basic-6.0-latest: Pulling from finestructure/spi-images
Digest: sha256:47d26c99ca4f1ac0a332c85fd5b13ff4390e72115219984a57a68fe9d1063a05
Status: Image is up to date for registry.gitlab.com/finestructure/spi-images:basic-6.0-latest
Building for debugging...
[0/2] Write sources
[1/2] Write swift-version-24593BA9C3E375BF.txt
[3/14] Compiling BigInt Limbs.swift
[4/15] Compiling BigInt Karatsuba.swift
[5/15] Compiling BigInt GCD.swift
/host/spi-builder-workspace/Sources/BigInt/GCD.swift:23:20: warning: static property 'limit' is not concurrency-safe because non-'Sendable' type 'BInt' may have shared mutable state; this is an error in the Swift 6 language mode
 21 |     class RecursiveGCD {
 22 |
 23 |         static let limit = BInt.ONE << 256
    |                    |- warning: static property 'limit' is not concurrency-safe because non-'Sendable' type 'BInt' may have shared mutable state; this is an error in the Swift 6 language mode
    |                    |- note: annotate 'limit' 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
 24 |         static let precision = 64
 25 |
/host/spi-builder-workspace/Sources/BigInt/BigInt.swift:31:15: note: consider making struct 'BInt' conform to the 'Sendable' protocol
  29 | infix operator ** : ExponentiationPrecedence
  30 |
  31 | public struct BInt: CustomStringConvertible, Comparable, Equatable, Hashable {
     |               `- note: consider making struct 'BInt' conform to the 'Sendable' protocol
  32 |
  33 |     // MARK: - Constants
/host/spi-builder-workspace/Sources/BigInt/BigInt.swift:38:23: warning: static property 'ONE' is not concurrency-safe because non-'Sendable' type 'BInt' may have shared mutable state; this is an error in the Swift 6 language mode
  29 | infix operator ** : ExponentiationPrecedence
  30 |
  31 | public struct BInt: CustomStringConvertible, Comparable, Equatable, Hashable {
     |               `- note: consider making struct 'BInt' conform to the 'Sendable' protocol
  32 |
  33 |     // MARK: - Constants
     :
  36 |     public static let ZERO = BInt(0)
  37 |     /// BInt(1)
  38 |     public static let ONE = BInt(1)
     |                       |- warning: static property 'ONE' is not concurrency-safe because non-'Sendable' type 'BInt' may have shared mutable state; this is an error in the Swift 6 language mode
     |                       |- note: annotate 'ONE' 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
  39 |     /// BInt(2)
  40 |     public static let TWO = BInt(2)
/host/spi-builder-workspace/Sources/BigInt/BigInt.swift:36:23: warning: static property 'ZERO' is not concurrency-safe because non-'Sendable' type 'BInt' may have shared mutable state; this is an error in the Swift 6 language mode
  29 | infix operator ** : ExponentiationPrecedence
  30 |
  31 | public struct BInt: CustomStringConvertible, Comparable, Equatable, Hashable {
     |               `- note: consider making struct 'BInt' conform to the 'Sendable' protocol
  32 |
  33 |     // MARK: - Constants
  34 |
  35 |     /// BInt(0)
  36 |     public static let ZERO = BInt(0)
     |                       |- warning: static property 'ZERO' is not concurrency-safe because non-'Sendable' type 'BInt' may have shared mutable state; this is an error in the Swift 6 language mode
     |                       |- note: annotate 'ZERO' 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
  37 |     /// BInt(1)
  38 |     public static let ONE = BInt(1)
/host/spi-builder-workspace/Sources/BigInt/GCD.swift:184:16: warning: static property 'B62' is not concurrency-safe because non-'Sendable' type 'BInt' may have shared mutable state; this is an error in the Swift 6 language mode
182 |
183 |     // Leave one bit for the sign and one for a possible overflow
184 |     static let B62 = BInt.ONE << 62
    |                |- warning: static property 'B62' is not concurrency-safe because non-'Sendable' type 'BInt' may have shared mutable state; this is an error in the Swift 6 language mode
    |                |- note: annotate 'B62' 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
185 |
186 |     // Lehmer's gcd algorithm - [KNUTH] chapter 4.5.2, algorithm L
/host/spi-builder-workspace/Sources/BigInt/BigInt.swift:31:15: note: consider making struct 'BInt' conform to the 'Sendable' protocol
  29 | infix operator ** : ExponentiationPrecedence
  30 |
  31 | public struct BInt: CustomStringConvertible, Comparable, Equatable, Hashable {
     |               `- note: consider making struct 'BInt' conform to the 'Sendable' protocol
  32 |
  33 |     // MARK: - Constants
[6/15] Compiling BigInt CRT.swift
/host/spi-builder-workspace/Sources/BigInt/BigInt.swift:36:23: warning: static property 'ZERO' is not concurrency-safe because non-'Sendable' type 'BInt' may have shared mutable state; this is an error in the Swift 6 language mode
  29 | infix operator ** : ExponentiationPrecedence
  30 |
  31 | public struct BInt: CustomStringConvertible, Comparable, Equatable, Hashable {
     |               `- note: consider making struct 'BInt' conform to the 'Sendable' protocol
  32 |
  33 |     // MARK: - Constants
  34 |
  35 |     /// BInt(0)
  36 |     public static let ZERO = BInt(0)
     |                       |- warning: static property 'ZERO' is not concurrency-safe because non-'Sendable' type 'BInt' may have shared mutable state; this is an error in the Swift 6 language mode
     |                       |- note: annotate 'ZERO' 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
  37 |     /// BInt(1)
  38 |     public static let ONE = BInt(1)
/host/spi-builder-workspace/Sources/BigInt/BigInt.swift:38:23: warning: static property 'ONE' is not concurrency-safe because non-'Sendable' type 'BInt' may have shared mutable state; this is an error in the Swift 6 language mode
  29 | infix operator ** : ExponentiationPrecedence
  30 |
  31 | public struct BInt: CustomStringConvertible, Comparable, Equatable, Hashable {
     |               `- note: consider making struct 'BInt' conform to the 'Sendable' protocol
  32 |
  33 |     // MARK: - Constants
     :
  36 |     public static let ZERO = BInt(0)
  37 |     /// BInt(1)
  38 |     public static let ONE = BInt(1)
     |                       |- warning: static property 'ONE' is not concurrency-safe because non-'Sendable' type 'BInt' may have shared mutable state; this is an error in the Swift 6 language mode
     |                       |- note: annotate 'ONE' 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
  39 |     /// BInt(2)
  40 |     public static let TWO = BInt(2)
[7/15] Compiling BigInt ExpMod.swift
/host/spi-builder-workspace/Sources/BigInt/BigInt.swift:36:23: warning: static property 'ZERO' is not concurrency-safe because non-'Sendable' type 'BInt' may have shared mutable state; this is an error in the Swift 6 language mode
  29 | infix operator ** : ExponentiationPrecedence
  30 |
  31 | public struct BInt: CustomStringConvertible, Comparable, Equatable, Hashable {
     |               `- note: consider making struct 'BInt' conform to the 'Sendable' protocol
  32 |
  33 |     // MARK: - Constants
  34 |
  35 |     /// BInt(0)
  36 |     public static let ZERO = BInt(0)
     |                       |- warning: static property 'ZERO' is not concurrency-safe because non-'Sendable' type 'BInt' may have shared mutable state; this is an error in the Swift 6 language mode
     |                       |- note: annotate 'ZERO' 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
  37 |     /// BInt(1)
  38 |     public static let ONE = BInt(1)
/host/spi-builder-workspace/Sources/BigInt/BigInt.swift:38:23: warning: static property 'ONE' is not concurrency-safe because non-'Sendable' type 'BInt' may have shared mutable state; this is an error in the Swift 6 language mode
  29 | infix operator ** : ExponentiationPrecedence
  30 |
  31 | public struct BInt: CustomStringConvertible, Comparable, Equatable, Hashable {
     |               `- note: consider making struct 'BInt' conform to the 'Sendable' protocol
  32 |
  33 |     // MARK: - Constants
     :
  36 |     public static let ZERO = BInt(0)
  37 |     /// BInt(1)
  38 |     public static let ONE = BInt(1)
     |                       |- warning: static property 'ONE' is not concurrency-safe because non-'Sendable' type 'BInt' may have shared mutable state; this is an error in the Swift 6 language mode
     |                       |- note: annotate 'ONE' 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
  39 |     /// BInt(2)
  40 |     public static let TWO = BInt(2)
[8/15] Compiling BigInt BitSieve.swift
/host/spi-builder-workspace/Sources/BigInt/BitSieve.swift:19:16: warning: static property 'smallSieve' is not concurrency-safe because non-'Sendable' type 'BitSieve' may have shared mutable state; this is an error in the Swift 6 language mode
 10 |  * BitSieve class from Java BigInteger translated to Swift
 11 |  */
 12 | class BitSieve {
    |       `- note: class 'BitSieve' does not conform to the 'Sendable' protocol
 13 |
 14 |     var bits: [UInt64]
    :
 17 |     let prob: Int
 18 |
 19 |     static let smallSieve = BitSieve()
    |                |- warning: static property 'smallSieve' is not concurrency-safe because non-'Sendable' type 'BitSieve' may have shared mutable state; this is an error in the Swift 6 language mode
    |                |- note: annotate 'smallSieve' 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
 20 |
 21 |     init() {
/host/spi-builder-workspace/Sources/BigInt/BigInt.swift:36:23: warning: static property 'ZERO' is not concurrency-safe because non-'Sendable' type 'BInt' may have shared mutable state; this is an error in the Swift 6 language mode
  29 | infix operator ** : ExponentiationPrecedence
  30 |
  31 | public struct BInt: CustomStringConvertible, Comparable, Equatable, Hashable {
     |               `- note: consider making struct 'BInt' conform to the 'Sendable' protocol
  32 |
  33 |     // MARK: - Constants
  34 |
  35 |     /// BInt(0)
  36 |     public static let ZERO = BInt(0)
     |                       |- warning: static property 'ZERO' is not concurrency-safe because non-'Sendable' type 'BInt' may have shared mutable state; this is an error in the Swift 6 language mode
     |                       |- note: annotate 'ZERO' 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
  37 |     /// BInt(1)
  38 |     public static let ONE = BInt(1)
[9/15] Compiling BigInt BurnikelZiegler.swift
/host/spi-builder-workspace/Sources/BigInt/BitSieve.swift:19:16: warning: static property 'smallSieve' is not concurrency-safe because non-'Sendable' type 'BitSieve' may have shared mutable state; this is an error in the Swift 6 language mode
 10 |  * BitSieve class from Java BigInteger translated to Swift
 11 |  */
 12 | class BitSieve {
    |       `- note: class 'BitSieve' does not conform to the 'Sendable' protocol
 13 |
 14 |     var bits: [UInt64]
    :
 17 |     let prob: Int
 18 |
 19 |     static let smallSieve = BitSieve()
    |                |- warning: static property 'smallSieve' is not concurrency-safe because non-'Sendable' type 'BitSieve' may have shared mutable state; this is an error in the Swift 6 language mode
    |                |- note: annotate 'smallSieve' 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
 20 |
 21 |     init() {
/host/spi-builder-workspace/Sources/BigInt/BigInt.swift:36:23: warning: static property 'ZERO' is not concurrency-safe because non-'Sendable' type 'BInt' may have shared mutable state; this is an error in the Swift 6 language mode
  29 | infix operator ** : ExponentiationPrecedence
  30 |
  31 | public struct BInt: CustomStringConvertible, Comparable, Equatable, Hashable {
     |               `- note: consider making struct 'BInt' conform to the 'Sendable' protocol
  32 |
  33 |     // MARK: - Constants
  34 |
  35 |     /// BInt(0)
  36 |     public static let ZERO = BInt(0)
     |                       |- warning: static property 'ZERO' is not concurrency-safe because non-'Sendable' type 'BInt' may have shared mutable state; this is an error in the Swift 6 language mode
     |                       |- note: annotate 'ZERO' 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
  37 |     /// BInt(1)
  38 |     public static let ONE = BInt(1)
[10/15] Compiling BigInt FFT.swift
/host/spi-builder-workspace/Sources/BigInt/BigInt.swift:36:23: warning: static property 'ZERO' is not concurrency-safe because non-'Sendable' type 'BInt' may have shared mutable state; this is an error in the Swift 6 language mode
  29 | infix operator ** : ExponentiationPrecedence
  30 |
  31 | public struct BInt: CustomStringConvertible, Comparable, Equatable, Hashable {
     |               `- note: consider making struct 'BInt' conform to the 'Sendable' protocol
  32 |
  33 |     // MARK: - Constants
  34 |
  35 |     /// BInt(0)
  36 |     public static let ZERO = BInt(0)
     |                       |- warning: static property 'ZERO' is not concurrency-safe because non-'Sendable' type 'BInt' may have shared mutable state; this is an error in the Swift 6 language mode
     |                       |- note: annotate 'ZERO' 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
  37 |     /// BInt(1)
  38 |     public static let ONE = BInt(1)
[11/15] Compiling BigInt Factorial.swift
/host/spi-builder-workspace/Sources/BigInt/BigInt.swift:36:23: warning: static property 'ZERO' is not concurrency-safe because non-'Sendable' type 'BInt' may have shared mutable state; this is an error in the Swift 6 language mode
  29 | infix operator ** : ExponentiationPrecedence
  30 |
  31 | public struct BInt: CustomStringConvertible, Comparable, Equatable, Hashable {
     |               `- note: consider making struct 'BInt' conform to the 'Sendable' protocol
  32 |
  33 |     // MARK: - Constants
  34 |
  35 |     /// BInt(0)
  36 |     public static let ZERO = BInt(0)
     |                       |- warning: static property 'ZERO' is not concurrency-safe because non-'Sendable' type 'BInt' may have shared mutable state; this is an error in the Swift 6 language mode
     |                       |- note: annotate 'ZERO' 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
  37 |     /// BInt(1)
  38 |     public static let ONE = BInt(1)
[12/15] Compiling BigInt ToomCook.swift
[13/15] Emitting module BigInt
/host/spi-builder-workspace/Sources/BigInt/BigFrac.swift:160:23: warning: static property 'ZERO' is not concurrency-safe because non-'Sendable' type 'BFraction' may have shared mutable state; this is an error in the Swift 6 language mode
   6 | //
   7 |
   8 | public struct BFraction: CustomStringConvertible, Comparable, Equatable {
     |               `- note: consider making struct 'BFraction' conform to the 'Sendable' protocol
   9 |
  10 |     mutating func normalize() {
     :
 158 |
 159 |     /// BFraction(0, 1)
 160 |     public static let ZERO = BFraction(BInt.ZERO, BInt.ONE)
     |                       |- warning: static property 'ZERO' is not concurrency-safe because non-'Sendable' type 'BFraction' may have shared mutable state; this is an error in the Swift 6 language mode
     |                       |- note: annotate 'ZERO' 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
 161 |     /// BFraction(1, 1)
 162 |     public static let ONE = BFraction(BInt.ONE, BInt.ONE)
/host/spi-builder-workspace/Sources/BigInt/BigInt.swift:36:23: warning: static property 'ZERO' is not concurrency-safe because non-'Sendable' type 'BInt' may have shared mutable state; this is an error in the Swift 6 language mode
  29 | infix operator ** : ExponentiationPrecedence
  30 |
  31 | public struct BInt: CustomStringConvertible, Comparable, Equatable, Hashable {
     |               `- note: consider making struct 'BInt' conform to the 'Sendable' protocol
  32 |
  33 |     // MARK: - Constants
  34 |
  35 |     /// BInt(0)
  36 |     public static let ZERO = BInt(0)
     |                       |- warning: static property 'ZERO' is not concurrency-safe because non-'Sendable' type 'BInt' may have shared mutable state; this is an error in the Swift 6 language mode
     |                       |- note: annotate 'ZERO' 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
  37 |     /// BInt(1)
  38 |     public static let ONE = BInt(1)
/host/spi-builder-workspace/Sources/BigInt/BigInt.swift:38:23: warning: static property 'ONE' is not concurrency-safe because non-'Sendable' type 'BInt' may have shared mutable state; this is an error in the Swift 6 language mode
  29 | infix operator ** : ExponentiationPrecedence
  30 |
  31 | public struct BInt: CustomStringConvertible, Comparable, Equatable, Hashable {
     |               `- note: consider making struct 'BInt' conform to the 'Sendable' protocol
  32 |
  33 |     // MARK: - Constants
     :
  36 |     public static let ZERO = BInt(0)
  37 |     /// BInt(1)
  38 |     public static let ONE = BInt(1)
     |                       |- warning: static property 'ONE' is not concurrency-safe because non-'Sendable' type 'BInt' may have shared mutable state; this is an error in the Swift 6 language mode
     |                       |- note: annotate 'ONE' 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
  39 |     /// BInt(2)
  40 |     public static let TWO = BInt(2)
/host/spi-builder-workspace/Sources/BigInt/BigFrac.swift:162:23: warning: static property 'ONE' is not concurrency-safe because non-'Sendable' type 'BFraction' may have shared mutable state; this is an error in the Swift 6 language mode
   6 | //
   7 |
   8 | public struct BFraction: CustomStringConvertible, Comparable, Equatable {
     |               `- note: consider making struct 'BFraction' conform to the 'Sendable' protocol
   9 |
  10 |     mutating func normalize() {
     :
 160 |     public static let ZERO = BFraction(BInt.ZERO, BInt.ONE)
 161 |     /// BFraction(1, 1)
 162 |     public static let ONE = BFraction(BInt.ONE, BInt.ONE)
     |                       |- warning: static property 'ONE' is not concurrency-safe because non-'Sendable' type 'BFraction' may have shared mutable state; this is an error in the Swift 6 language mode
     |                       |- note: annotate 'ONE' 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
 163 |
 164 |
/host/spi-builder-workspace/Sources/BigInt/BigInt.swift:40:23: warning: static property 'TWO' is not concurrency-safe because non-'Sendable' type 'BInt' may have shared mutable state; this is an error in the Swift 6 language mode
  29 | infix operator ** : ExponentiationPrecedence
  30 |
  31 | public struct BInt: CustomStringConvertible, Comparable, Equatable, Hashable {
     |               `- note: consider making struct 'BInt' conform to the 'Sendable' protocol
  32 |
  33 |     // MARK: - Constants
     :
  38 |     public static let ONE = BInt(1)
  39 |     /// BInt(2)
  40 |     public static let TWO = BInt(2)
     |                       |- warning: static property 'TWO' is not concurrency-safe because non-'Sendable' type 'BInt' may have shared mutable state; this is an error in the Swift 6 language mode
     |                       |- note: annotate 'TWO' 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
  41 |     /// BInt(3)
  42 |     public static let THREE = BInt(3)
/host/spi-builder-workspace/Sources/BigInt/BigInt.swift:42:23: warning: static property 'THREE' is not concurrency-safe because non-'Sendable' type 'BInt' may have shared mutable state; this is an error in the Swift 6 language mode
  29 | infix operator ** : ExponentiationPrecedence
  30 |
  31 | public struct BInt: CustomStringConvertible, Comparable, Equatable, Hashable {
     |               `- note: consider making struct 'BInt' conform to the 'Sendable' protocol
  32 |
  33 |     // MARK: - Constants
     :
  40 |     public static let TWO = BInt(2)
  41 |     /// BInt(3)
  42 |     public static let THREE = BInt(3)
     |                       |- warning: static property 'THREE' is not concurrency-safe because non-'Sendable' type 'BInt' may have shared mutable state; this is an error in the Swift 6 language mode
     |                       |- note: annotate 'THREE' 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
  43 |     /// BInt(4)
  44 |     public static let FOUR = BInt(4)
/host/spi-builder-workspace/Sources/BigInt/BigInt.swift:44:23: warning: static property 'FOUR' is not concurrency-safe because non-'Sendable' type 'BInt' may have shared mutable state; this is an error in the Swift 6 language mode
  29 | infix operator ** : ExponentiationPrecedence
  30 |
  31 | public struct BInt: CustomStringConvertible, Comparable, Equatable, Hashable {
     |               `- note: consider making struct 'BInt' conform to the 'Sendable' protocol
  32 |
  33 |     // MARK: - Constants
     :
  42 |     public static let THREE = BInt(3)
  43 |     /// BInt(4)
  44 |     public static let FOUR = BInt(4)
     |                       |- warning: static property 'FOUR' is not concurrency-safe because non-'Sendable' type 'BInt' may have shared mutable state; this is an error in the Swift 6 language mode
     |                       |- note: annotate 'FOUR' 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
  45 |     /// BInt(5)
  46 |     public static let FIVE = BInt(5)
/host/spi-builder-workspace/Sources/BigInt/BigInt.swift:46:23: warning: static property 'FIVE' is not concurrency-safe because non-'Sendable' type 'BInt' may have shared mutable state; this is an error in the Swift 6 language mode
  29 | infix operator ** : ExponentiationPrecedence
  30 |
  31 | public struct BInt: CustomStringConvertible, Comparable, Equatable, Hashable {
     |               `- note: consider making struct 'BInt' conform to the 'Sendable' protocol
  32 |
  33 |     // MARK: - Constants
     :
  44 |     public static let FOUR = BInt(4)
  45 |     /// BInt(5)
  46 |     public static let FIVE = BInt(5)
     |                       |- warning: static property 'FIVE' is not concurrency-safe because non-'Sendable' type 'BInt' may have shared mutable state; this is an error in the Swift 6 language mode
     |                       |- note: annotate 'FIVE' 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
  47 |     /// BInt(6)
  48 |     public static let SIX = BInt(6)
/host/spi-builder-workspace/Sources/BigInt/BigInt.swift:48:23: warning: static property 'SIX' is not concurrency-safe because non-'Sendable' type 'BInt' may have shared mutable state; this is an error in the Swift 6 language mode
  29 | infix operator ** : ExponentiationPrecedence
  30 |
  31 | public struct BInt: CustomStringConvertible, Comparable, Equatable, Hashable {
     |               `- note: consider making struct 'BInt' conform to the 'Sendable' protocol
  32 |
  33 |     // MARK: - Constants
     :
  46 |     public static let FIVE = BInt(5)
  47 |     /// BInt(6)
  48 |     public static let SIX = BInt(6)
     |                       |- warning: static property 'SIX' is not concurrency-safe because non-'Sendable' type 'BInt' may have shared mutable state; this is an error in the Swift 6 language mode
     |                       |- note: annotate 'SIX' 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
  49 |     /// BInt(7)
  50 |     public static let SEVEN = BInt(7)
/host/spi-builder-workspace/Sources/BigInt/BigInt.swift:50:23: warning: static property 'SEVEN' is not concurrency-safe because non-'Sendable' type 'BInt' may have shared mutable state; this is an error in the Swift 6 language mode
  29 | infix operator ** : ExponentiationPrecedence
  30 |
  31 | public struct BInt: CustomStringConvertible, Comparable, Equatable, Hashable {
     |               `- note: consider making struct 'BInt' conform to the 'Sendable' protocol
  32 |
  33 |     // MARK: - Constants
     :
  48 |     public static let SIX = BInt(6)
  49 |     /// BInt(7)
  50 |     public static let SEVEN = BInt(7)
     |                       |- warning: static property 'SEVEN' is not concurrency-safe because non-'Sendable' type 'BInt' may have shared mutable state; this is an error in the Swift 6 language mode
     |                       |- note: annotate 'SEVEN' 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
  51 |     /// BInt(8)
  52 |     public static let EIGHT = BInt(8)
/host/spi-builder-workspace/Sources/BigInt/BigInt.swift:52:23: warning: static property 'EIGHT' is not concurrency-safe because non-'Sendable' type 'BInt' may have shared mutable state; this is an error in the Swift 6 language mode
  29 | infix operator ** : ExponentiationPrecedence
  30 |
  31 | public struct BInt: CustomStringConvertible, Comparable, Equatable, Hashable {
     |               `- note: consider making struct 'BInt' conform to the 'Sendable' protocol
  32 |
  33 |     // MARK: - Constants
     :
  50 |     public static let SEVEN = BInt(7)
  51 |     /// BInt(8)
  52 |     public static let EIGHT = BInt(8)
     |                       |- warning: static property 'EIGHT' is not concurrency-safe because non-'Sendable' type 'BInt' may have shared mutable state; this is an error in the Swift 6 language mode
     |                       |- note: annotate 'EIGHT' 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
  53 |     /// BInt(9)
  54 |     public static let NINE = BInt(9)
/host/spi-builder-workspace/Sources/BigInt/BigInt.swift:54:23: warning: static property 'NINE' is not concurrency-safe because non-'Sendable' type 'BInt' may have shared mutable state; this is an error in the Swift 6 language mode
  29 | infix operator ** : ExponentiationPrecedence
  30 |
  31 | public struct BInt: CustomStringConvertible, Comparable, Equatable, Hashable {
     |               `- note: consider making struct 'BInt' conform to the 'Sendable' protocol
  32 |
  33 |     // MARK: - Constants
     :
  52 |     public static let EIGHT = BInt(8)
  53 |     /// BInt(9)
  54 |     public static let NINE = BInt(9)
     |                       |- warning: static property 'NINE' is not concurrency-safe because non-'Sendable' type 'BInt' may have shared mutable state; this is an error in the Swift 6 language mode
     |                       |- note: annotate 'NINE' 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
  55 |     /// BInt(10)
  56 |     public static let TEN = BInt(10)
/host/spi-builder-workspace/Sources/BigInt/BigInt.swift:56:23: warning: static property 'TEN' is not concurrency-safe because non-'Sendable' type 'BInt' may have shared mutable state; this is an error in the Swift 6 language mode
  29 | infix operator ** : ExponentiationPrecedence
  30 |
  31 | public struct BInt: CustomStringConvertible, Comparable, Equatable, Hashable {
     |               `- note: consider making struct 'BInt' conform to the 'Sendable' protocol
  32 |
  33 |     // MARK: - Constants
     :
  54 |     public static let NINE = BInt(9)
  55 |     /// BInt(10)
  56 |     public static let TEN = BInt(10)
     |                       |- warning: static property 'TEN' is not concurrency-safe because non-'Sendable' type 'BInt' may have shared mutable state; this is an error in the Swift 6 language mode
     |                       |- note: annotate 'TEN' 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
  57 |
  58 |
/host/spi-builder-workspace/Sources/BigInt/BigInt.swift:1708:16: warning: static property 'SPP' is not concurrency-safe because non-'Sendable' type 'BInt' may have shared mutable state; this is an error in the Swift 6 language mode
  29 | infix operator ** : ExponentiationPrecedence
  30 |
  31 | public struct BInt: CustomStringConvertible, Comparable, Equatable, Hashable {
     |               `- note: consider making struct 'BInt' conform to the 'Sendable' protocol
  32 |
  33 |     // MARK: - Constants
     :
1706 |
1707 |     // Small prime product
1708 |     static let SPP = BInt("152125131763605")! // = 3 * 5 * 7 * 11 * 13 * 17 * 19 * 23 * 29 * 31 * 37 * 41
     |                |- warning: static property 'SPP' is not concurrency-safe because non-'Sendable' type 'BInt' may have shared mutable state; this is an error in the Swift 6 language mode
     |                |- note: annotate 'SPP' 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
1709 |
1710 |     static func smallPrime(_ bitLength: Int) -> BInt {
/host/spi-builder-workspace/Sources/BigInt/BitSieve.swift:19:16: warning: static property 'smallSieve' is not concurrency-safe because non-'Sendable' type 'BitSieve' may have shared mutable state; this is an error in the Swift 6 language mode
 10 |  * BitSieve class from Java BigInteger translated to Swift
 11 |  */
 12 | class BitSieve {
    |       `- note: class 'BitSieve' does not conform to the 'Sendable' protocol
 13 |
 14 |     var bits: [UInt64]
    :
 17 |     let prob: Int
 18 |
 19 |     static let smallSieve = BitSieve()
    |                |- warning: static property 'smallSieve' is not concurrency-safe because non-'Sendable' type 'BitSieve' may have shared mutable state; this is an error in the Swift 6 language mode
    |                |- note: annotate 'smallSieve' 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
 20 |
 21 |     init() {
/host/spi-builder-workspace/Sources/BigInt/GCD.swift:23:20: warning: static property 'limit' is not concurrency-safe because non-'Sendable' type 'BInt' may have shared mutable state; this is an error in the Swift 6 language mode
 21 |     class RecursiveGCD {
 22 |
 23 |         static let limit = BInt.ONE << 256
    |                    |- warning: static property 'limit' is not concurrency-safe because non-'Sendable' type 'BInt' may have shared mutable state; this is an error in the Swift 6 language mode
    |                    |- note: annotate 'limit' 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
 24 |         static let precision = 64
 25 |
/host/spi-builder-workspace/Sources/BigInt/BigInt.swift:31:15: note: consider making struct 'BInt' conform to the 'Sendable' protocol
  29 | infix operator ** : ExponentiationPrecedence
  30 |
  31 | public struct BInt: CustomStringConvertible, Comparable, Equatable, Hashable {
     |               `- note: consider making struct 'BInt' conform to the 'Sendable' protocol
  32 |
  33 |     // MARK: - Constants
/host/spi-builder-workspace/Sources/BigInt/GCD.swift:184:16: warning: static property 'B62' is not concurrency-safe because non-'Sendable' type 'BInt' may have shared mutable state; this is an error in the Swift 6 language mode
182 |
183 |     // Leave one bit for the sign and one for a possible overflow
184 |     static let B62 = BInt.ONE << 62
    |                |- warning: static property 'B62' is not concurrency-safe because non-'Sendable' type 'BInt' may have shared mutable state; this is an error in the Swift 6 language mode
    |                |- note: annotate 'B62' 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
185 |
186 |     // Lehmer's gcd algorithm - [KNUTH] chapter 4.5.2, algorithm L
/host/spi-builder-workspace/Sources/BigInt/BigInt.swift:31:15: note: consider making struct 'BInt' conform to the 'Sendable' protocol
  29 | infix operator ** : ExponentiationPrecedence
  30 |
  31 | public struct BInt: CustomStringConvertible, Comparable, Equatable, Hashable {
     |               `- note: consider making struct 'BInt' conform to the 'Sendable' protocol
  32 |
  33 |     // MARK: - Constants
[14/15] Compiling BigInt BigFrac.swift
/host/spi-builder-workspace/Sources/BigInt/BigFrac.swift:160:23: warning: static property 'ZERO' is not concurrency-safe because non-'Sendable' type 'BFraction' may have shared mutable state; this is an error in the Swift 6 language mode
   6 | //
   7 |
   8 | public struct BFraction: CustomStringConvertible, Comparable, Equatable {
     |               `- note: consider making struct 'BFraction' conform to the 'Sendable' protocol
   9 |
  10 |     mutating func normalize() {
     :
 158 |
 159 |     /// BFraction(0, 1)
 160 |     public static let ZERO = BFraction(BInt.ZERO, BInt.ONE)
     |                       |- warning: static property 'ZERO' is not concurrency-safe because non-'Sendable' type 'BFraction' may have shared mutable state; this is an error in the Swift 6 language mode
     |                       |- note: annotate 'ZERO' 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
 161 |     /// BFraction(1, 1)
 162 |     public static let ONE = BFraction(BInt.ONE, BInt.ONE)
/host/spi-builder-workspace/Sources/BigInt/BigInt.swift:36:23: warning: static property 'ZERO' is not concurrency-safe because non-'Sendable' type 'BInt' may have shared mutable state; this is an error in the Swift 6 language mode
  29 | infix operator ** : ExponentiationPrecedence
  30 |
  31 | public struct BInt: CustomStringConvertible, Comparable, Equatable, Hashable {
     |               `- note: consider making struct 'BInt' conform to the 'Sendable' protocol
  32 |
  33 |     // MARK: - Constants
  34 |
  35 |     /// BInt(0)
  36 |     public static let ZERO = BInt(0)
     |                       |- warning: static property 'ZERO' is not concurrency-safe because non-'Sendable' type 'BInt' may have shared mutable state; this is an error in the Swift 6 language mode
     |                       |- note: annotate 'ZERO' 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
  37 |     /// BInt(1)
  38 |     public static let ONE = BInt(1)
/host/spi-builder-workspace/Sources/BigInt/BigInt.swift:38:23: warning: static property 'ONE' is not concurrency-safe because non-'Sendable' type 'BInt' may have shared mutable state; this is an error in the Swift 6 language mode
  29 | infix operator ** : ExponentiationPrecedence
  30 |
  31 | public struct BInt: CustomStringConvertible, Comparable, Equatable, Hashable {
     |               `- note: consider making struct 'BInt' conform to the 'Sendable' protocol
  32 |
  33 |     // MARK: - Constants
     :
  36 |     public static let ZERO = BInt(0)
  37 |     /// BInt(1)
  38 |     public static let ONE = BInt(1)
     |                       |- warning: static property 'ONE' is not concurrency-safe because non-'Sendable' type 'BInt' may have shared mutable state; this is an error in the Swift 6 language mode
     |                       |- note: annotate 'ONE' 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
  39 |     /// BInt(2)
  40 |     public static let TWO = BInt(2)
/host/spi-builder-workspace/Sources/BigInt/BigFrac.swift:162:23: warning: static property 'ONE' is not concurrency-safe because non-'Sendable' type 'BFraction' may have shared mutable state; this is an error in the Swift 6 language mode
   6 | //
   7 |
   8 | public struct BFraction: CustomStringConvertible, Comparable, Equatable {
     |               `- note: consider making struct 'BFraction' conform to the 'Sendable' protocol
   9 |
  10 |     mutating func normalize() {
     :
 160 |     public static let ZERO = BFraction(BInt.ZERO, BInt.ONE)
 161 |     /// BFraction(1, 1)
 162 |     public static let ONE = BFraction(BInt.ONE, BInt.ONE)
     |                       |- warning: static property 'ONE' is not concurrency-safe because non-'Sendable' type 'BFraction' may have shared mutable state; this is an error in the Swift 6 language mode
     |                       |- note: annotate 'ONE' 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
 163 |
 164 |
/host/spi-builder-workspace/Sources/BigInt/BigInt.swift:56:23: warning: static property 'TEN' is not concurrency-safe because non-'Sendable' type 'BInt' may have shared mutable state; this is an error in the Swift 6 language mode
  29 | infix operator ** : ExponentiationPrecedence
  30 |
  31 | public struct BInt: CustomStringConvertible, Comparable, Equatable, Hashable {
     |               `- note: consider making struct 'BInt' conform to the 'Sendable' protocol
  32 |
  33 |     // MARK: - Constants
     :
  54 |     public static let NINE = BInt(9)
  55 |     /// BInt(10)
  56 |     public static let TEN = BInt(10)
     |                       |- warning: static property 'TEN' is not concurrency-safe because non-'Sendable' type 'BInt' may have shared mutable state; this is an error in the Swift 6 language mode
     |                       |- note: annotate 'TEN' 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
  57 |
  58 |
/host/spi-builder-workspace/Sources/BigInt/BigInt.swift:40:23: warning: static property 'TWO' is not concurrency-safe because non-'Sendable' type 'BInt' may have shared mutable state; this is an error in the Swift 6 language mode
  29 | infix operator ** : ExponentiationPrecedence
  30 |
  31 | public struct BInt: CustomStringConvertible, Comparable, Equatable, Hashable {
     |               `- note: consider making struct 'BInt' conform to the 'Sendable' protocol
  32 |
  33 |     // MARK: - Constants
     :
  38 |     public static let ONE = BInt(1)
  39 |     /// BInt(2)
  40 |     public static let TWO = BInt(2)
     |                       |- warning: static property 'TWO' is not concurrency-safe because non-'Sendable' type 'BInt' may have shared mutable state; this is an error in the Swift 6 language mode
     |                       |- note: annotate 'TWO' 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
  41 |     /// BInt(3)
  42 |     public static let THREE = BInt(3)
/host/spi-builder-workspace/Sources/BigInt/BigInt.swift:42:23: warning: static property 'THREE' is not concurrency-safe because non-'Sendable' type 'BInt' may have shared mutable state; this is an error in the Swift 6 language mode
  29 | infix operator ** : ExponentiationPrecedence
  30 |
  31 | public struct BInt: CustomStringConvertible, Comparable, Equatable, Hashable {
     |               `- note: consider making struct 'BInt' conform to the 'Sendable' protocol
  32 |
  33 |     // MARK: - Constants
     :
  40 |     public static let TWO = BInt(2)
  41 |     /// BInt(3)
  42 |     public static let THREE = BInt(3)
     |                       |- warning: static property 'THREE' is not concurrency-safe because non-'Sendable' type 'BInt' may have shared mutable state; this is an error in the Swift 6 language mode
     |                       |- note: annotate 'THREE' 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
  43 |     /// BInt(4)
  44 |     public static let FOUR = BInt(4)
/host/spi-builder-workspace/Sources/BigInt/BigInt.swift:44:23: warning: static property 'FOUR' is not concurrency-safe because non-'Sendable' type 'BInt' may have shared mutable state; this is an error in the Swift 6 language mode
  29 | infix operator ** : ExponentiationPrecedence
  30 |
  31 | public struct BInt: CustomStringConvertible, Comparable, Equatable, Hashable {
     |               `- note: consider making struct 'BInt' conform to the 'Sendable' protocol
  32 |
  33 |     // MARK: - Constants
     :
  42 |     public static let THREE = BInt(3)
  43 |     /// BInt(4)
  44 |     public static let FOUR = BInt(4)
     |                       |- warning: static property 'FOUR' is not concurrency-safe because non-'Sendable' type 'BInt' may have shared mutable state; this is an error in the Swift 6 language mode
     |                       |- note: annotate 'FOUR' 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
  45 |     /// BInt(5)
  46 |     public static let FIVE = BInt(5)
/host/spi-builder-workspace/Sources/BigInt/BigInt.swift:46:23: warning: static property 'FIVE' is not concurrency-safe because non-'Sendable' type 'BInt' may have shared mutable state; this is an error in the Swift 6 language mode
  29 | infix operator ** : ExponentiationPrecedence
  30 |
  31 | public struct BInt: CustomStringConvertible, Comparable, Equatable, Hashable {
     |               `- note: consider making struct 'BInt' conform to the 'Sendable' protocol
  32 |
  33 |     // MARK: - Constants
     :
  44 |     public static let FOUR = BInt(4)
  45 |     /// BInt(5)
  46 |     public static let FIVE = BInt(5)
     |                       |- warning: static property 'FIVE' is not concurrency-safe because non-'Sendable' type 'BInt' may have shared mutable state; this is an error in the Swift 6 language mode
     |                       |- note: annotate 'FIVE' 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
  47 |     /// BInt(6)
  48 |     public static let SIX = BInt(6)
/host/spi-builder-workspace/Sources/BigInt/BigInt.swift:48:23: warning: static property 'SIX' is not concurrency-safe because non-'Sendable' type 'BInt' may have shared mutable state; this is an error in the Swift 6 language mode
  29 | infix operator ** : ExponentiationPrecedence
  30 |
  31 | public struct BInt: CustomStringConvertible, Comparable, Equatable, Hashable {
     |               `- note: consider making struct 'BInt' conform to the 'Sendable' protocol
  32 |
  33 |     // MARK: - Constants
     :
  46 |     public static let FIVE = BInt(5)
  47 |     /// BInt(6)
  48 |     public static let SIX = BInt(6)
     |                       |- warning: static property 'SIX' is not concurrency-safe because non-'Sendable' type 'BInt' may have shared mutable state; this is an error in the Swift 6 language mode
     |                       |- note: annotate 'SIX' 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
  49 |     /// BInt(7)
  50 |     public static let SEVEN = BInt(7)
/host/spi-builder-workspace/Sources/BigInt/BigInt.swift:50:23: warning: static property 'SEVEN' is not concurrency-safe because non-'Sendable' type 'BInt' may have shared mutable state; this is an error in the Swift 6 language mode
  29 | infix operator ** : ExponentiationPrecedence
  30 |
  31 | public struct BInt: CustomStringConvertible, Comparable, Equatable, Hashable {
     |               `- note: consider making struct 'BInt' conform to the 'Sendable' protocol
  32 |
  33 |     // MARK: - Constants
     :
  48 |     public static let SIX = BInt(6)
  49 |     /// BInt(7)
  50 |     public static let SEVEN = BInt(7)
     |                       |- warning: static property 'SEVEN' is not concurrency-safe because non-'Sendable' type 'BInt' may have shared mutable state; this is an error in the Swift 6 language mode
     |                       |- note: annotate 'SEVEN' 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
  51 |     /// BInt(8)
  52 |     public static let EIGHT = BInt(8)
/host/spi-builder-workspace/Sources/BigInt/BigInt.swift:52:23: warning: static property 'EIGHT' is not concurrency-safe because non-'Sendable' type 'BInt' may have shared mutable state; this is an error in the Swift 6 language mode
  29 | infix operator ** : ExponentiationPrecedence
  30 |
  31 | public struct BInt: CustomStringConvertible, Comparable, Equatable, Hashable {
     |               `- note: consider making struct 'BInt' conform to the 'Sendable' protocol
  32 |
  33 |     // MARK: - Constants
     :
  50 |     public static let SEVEN = BInt(7)
  51 |     /// BInt(8)
  52 |     public static let EIGHT = BInt(8)
     |                       |- warning: static property 'EIGHT' is not concurrency-safe because non-'Sendable' type 'BInt' may have shared mutable state; this is an error in the Swift 6 language mode
     |                       |- note: annotate 'EIGHT' 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
  53 |     /// BInt(9)
  54 |     public static let NINE = BInt(9)
/host/spi-builder-workspace/Sources/BigInt/BigInt.swift:54:23: warning: static property 'NINE' is not concurrency-safe because non-'Sendable' type 'BInt' may have shared mutable state; this is an error in the Swift 6 language mode
  29 | infix operator ** : ExponentiationPrecedence
  30 |
  31 | public struct BInt: CustomStringConvertible, Comparable, Equatable, Hashable {
     |               `- note: consider making struct 'BInt' conform to the 'Sendable' protocol
  32 |
  33 |     // MARK: - Constants
     :
  52 |     public static let EIGHT = BInt(8)
  53 |     /// BInt(9)
  54 |     public static let NINE = BInt(9)
     |                       |- warning: static property 'NINE' is not concurrency-safe because non-'Sendable' type 'BInt' may have shared mutable state; this is an error in the Swift 6 language mode
     |                       |- note: annotate 'NINE' 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
  55 |     /// BInt(10)
  56 |     public static let TEN = BInt(10)
/host/spi-builder-workspace/Sources/BigInt/BigInt.swift:1708:16: warning: static property 'SPP' is not concurrency-safe because non-'Sendable' type 'BInt' may have shared mutable state; this is an error in the Swift 6 language mode
  29 | infix operator ** : ExponentiationPrecedence
  30 |
  31 | public struct BInt: CustomStringConvertible, Comparable, Equatable, Hashable {
     |               `- note: consider making struct 'BInt' conform to the 'Sendable' protocol
  32 |
  33 |     // MARK: - Constants
     :
1706 |
1707 |     // Small prime product
1708 |     static let SPP = BInt("152125131763605")! // = 3 * 5 * 7 * 11 * 13 * 17 * 19 * 23 * 29 * 31 * 37 * 41
     |                |- warning: static property 'SPP' is not concurrency-safe because non-'Sendable' type 'BInt' may have shared mutable state; this is an error in the Swift 6 language mode
     |                |- note: annotate 'SPP' 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
1709 |
1710 |     static func smallPrime(_ bitLength: Int) -> BInt {
/host/spi-builder-workspace/Sources/BigInt/BigInt.swift:1696:15: error: cannot find 'SecRandomCopyBytes' in scope
1694 |
1695 |     static internal func randomBytes(_ bytes: inout Bytes) {
1696 |         guard SecRandomCopyBytes(kSecRandomDefault, bytes.count, &bytes) == errSecSuccess else {
     |               `- error: cannot find 'SecRandomCopyBytes' in scope
1697 |             fatalError("randomBytes failed")
1698 |         }
/host/spi-builder-workspace/Sources/BigInt/BigInt.swift:1696:34: error: cannot find 'kSecRandomDefault' in scope
1694 |
1695 |     static internal func randomBytes(_ bytes: inout Bytes) {
1696 |         guard SecRandomCopyBytes(kSecRandomDefault, bytes.count, &bytes) == errSecSuccess else {
     |                                  `- error: cannot find 'kSecRandomDefault' in scope
1697 |             fatalError("randomBytes failed")
1698 |         }
/host/spi-builder-workspace/Sources/BigInt/BigInt.swift:1696:77: error: cannot find 'errSecSuccess' in scope
1694 |
1695 |     static internal func randomBytes(_ bytes: inout Bytes) {
1696 |         guard SecRandomCopyBytes(kSecRandomDefault, bytes.count, &bytes) == errSecSuccess else {
     |                                                                             `- error: cannot find 'errSecSuccess' in scope
1697 |             fatalError("randomBytes failed")
1698 |         }
/host/spi-builder-workspace/Sources/BigInt/BigInt.swift:1702:15: error: cannot find 'SecRandomCopyBytes' in scope
1700 |
1701 |     static internal func randomLimbs(_ limbs: inout Limbs) {
1702 |         guard SecRandomCopyBytes(kSecRandomDefault, 8 * limbs.count, &limbs) == errSecSuccess else {
     |               `- error: cannot find 'SecRandomCopyBytes' in scope
1703 |             fatalError("randomLimbs failed")
1704 |         }
/host/spi-builder-workspace/Sources/BigInt/BigInt.swift:1702:34: error: cannot find 'kSecRandomDefault' in scope
1700 |
1701 |     static internal func randomLimbs(_ limbs: inout Limbs) {
1702 |         guard SecRandomCopyBytes(kSecRandomDefault, 8 * limbs.count, &limbs) == errSecSuccess else {
     |                                  `- error: cannot find 'kSecRandomDefault' in scope
1703 |             fatalError("randomLimbs failed")
1704 |         }
/host/spi-builder-workspace/Sources/BigInt/BigInt.swift:1702:81: error: cannot find 'errSecSuccess' in scope
1700 |
1701 |     static internal func randomLimbs(_ limbs: inout Limbs) {
1702 |         guard SecRandomCopyBytes(kSecRandomDefault, 8 * limbs.count, &limbs) == errSecSuccess else {
     |                                                                                 `- error: cannot find 'errSecSuccess' in scope
1703 |             fatalError("randomLimbs failed")
1704 |         }
[15/15] Compiling BigInt BigInt.swift
/host/spi-builder-workspace/Sources/BigInt/BigFrac.swift:160:23: warning: static property 'ZERO' is not concurrency-safe because non-'Sendable' type 'BFraction' may have shared mutable state; this is an error in the Swift 6 language mode
   6 | //
   7 |
   8 | public struct BFraction: CustomStringConvertible, Comparable, Equatable {
     |               `- note: consider making struct 'BFraction' conform to the 'Sendable' protocol
   9 |
  10 |     mutating func normalize() {
     :
 158 |
 159 |     /// BFraction(0, 1)
 160 |     public static let ZERO = BFraction(BInt.ZERO, BInt.ONE)
     |                       |- warning: static property 'ZERO' is not concurrency-safe because non-'Sendable' type 'BFraction' may have shared mutable state; this is an error in the Swift 6 language mode
     |                       |- note: annotate 'ZERO' 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
 161 |     /// BFraction(1, 1)
 162 |     public static let ONE = BFraction(BInt.ONE, BInt.ONE)
/host/spi-builder-workspace/Sources/BigInt/BigInt.swift:36:23: warning: static property 'ZERO' is not concurrency-safe because non-'Sendable' type 'BInt' may have shared mutable state; this is an error in the Swift 6 language mode
  29 | infix operator ** : ExponentiationPrecedence
  30 |
  31 | public struct BInt: CustomStringConvertible, Comparable, Equatable, Hashable {
     |               `- note: consider making struct 'BInt' conform to the 'Sendable' protocol
  32 |
  33 |     // MARK: - Constants
  34 |
  35 |     /// BInt(0)
  36 |     public static let ZERO = BInt(0)
     |                       |- warning: static property 'ZERO' is not concurrency-safe because non-'Sendable' type 'BInt' may have shared mutable state; this is an error in the Swift 6 language mode
     |                       |- note: annotate 'ZERO' 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
  37 |     /// BInt(1)
  38 |     public static let ONE = BInt(1)
/host/spi-builder-workspace/Sources/BigInt/BigInt.swift:38:23: warning: static property 'ONE' is not concurrency-safe because non-'Sendable' type 'BInt' may have shared mutable state; this is an error in the Swift 6 language mode
  29 | infix operator ** : ExponentiationPrecedence
  30 |
  31 | public struct BInt: CustomStringConvertible, Comparable, Equatable, Hashable {
     |               `- note: consider making struct 'BInt' conform to the 'Sendable' protocol
  32 |
  33 |     // MARK: - Constants
     :
  36 |     public static let ZERO = BInt(0)
  37 |     /// BInt(1)
  38 |     public static let ONE = BInt(1)
     |                       |- warning: static property 'ONE' is not concurrency-safe because non-'Sendable' type 'BInt' may have shared mutable state; this is an error in the Swift 6 language mode
     |                       |- note: annotate 'ONE' 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
  39 |     /// BInt(2)
  40 |     public static let TWO = BInt(2)
/host/spi-builder-workspace/Sources/BigInt/BigFrac.swift:162:23: warning: static property 'ONE' is not concurrency-safe because non-'Sendable' type 'BFraction' may have shared mutable state; this is an error in the Swift 6 language mode
   6 | //
   7 |
   8 | public struct BFraction: CustomStringConvertible, Comparable, Equatable {
     |               `- note: consider making struct 'BFraction' conform to the 'Sendable' protocol
   9 |
  10 |     mutating func normalize() {
     :
 160 |     public static let ZERO = BFraction(BInt.ZERO, BInt.ONE)
 161 |     /// BFraction(1, 1)
 162 |     public static let ONE = BFraction(BInt.ONE, BInt.ONE)
     |                       |- warning: static property 'ONE' is not concurrency-safe because non-'Sendable' type 'BFraction' may have shared mutable state; this is an error in the Swift 6 language mode
     |                       |- note: annotate 'ONE' 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
 163 |
 164 |
/host/spi-builder-workspace/Sources/BigInt/BigInt.swift:56:23: warning: static property 'TEN' is not concurrency-safe because non-'Sendable' type 'BInt' may have shared mutable state; this is an error in the Swift 6 language mode
  29 | infix operator ** : ExponentiationPrecedence
  30 |
  31 | public struct BInt: CustomStringConvertible, Comparable, Equatable, Hashable {
     |               `- note: consider making struct 'BInt' conform to the 'Sendable' protocol
  32 |
  33 |     // MARK: - Constants
     :
  54 |     public static let NINE = BInt(9)
  55 |     /// BInt(10)
  56 |     public static let TEN = BInt(10)
     |                       |- warning: static property 'TEN' is not concurrency-safe because non-'Sendable' type 'BInt' may have shared mutable state; this is an error in the Swift 6 language mode
     |                       |- note: annotate 'TEN' 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
  57 |
  58 |
/host/spi-builder-workspace/Sources/BigInt/BigInt.swift:40:23: warning: static property 'TWO' is not concurrency-safe because non-'Sendable' type 'BInt' may have shared mutable state; this is an error in the Swift 6 language mode
  29 | infix operator ** : ExponentiationPrecedence
  30 |
  31 | public struct BInt: CustomStringConvertible, Comparable, Equatable, Hashable {
     |               `- note: consider making struct 'BInt' conform to the 'Sendable' protocol
  32 |
  33 |     // MARK: - Constants
     :
  38 |     public static let ONE = BInt(1)
  39 |     /// BInt(2)
  40 |     public static let TWO = BInt(2)
     |                       |- warning: static property 'TWO' is not concurrency-safe because non-'Sendable' type 'BInt' may have shared mutable state; this is an error in the Swift 6 language mode
     |                       |- note: annotate 'TWO' 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
  41 |     /// BInt(3)
  42 |     public static let THREE = BInt(3)
/host/spi-builder-workspace/Sources/BigInt/BigInt.swift:42:23: warning: static property 'THREE' is not concurrency-safe because non-'Sendable' type 'BInt' may have shared mutable state; this is an error in the Swift 6 language mode
  29 | infix operator ** : ExponentiationPrecedence
  30 |
  31 | public struct BInt: CustomStringConvertible, Comparable, Equatable, Hashable {
     |               `- note: consider making struct 'BInt' conform to the 'Sendable' protocol
  32 |
  33 |     // MARK: - Constants
     :
  40 |     public static let TWO = BInt(2)
  41 |     /// BInt(3)
  42 |     public static let THREE = BInt(3)
     |                       |- warning: static property 'THREE' is not concurrency-safe because non-'Sendable' type 'BInt' may have shared mutable state; this is an error in the Swift 6 language mode
     |                       |- note: annotate 'THREE' 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
  43 |     /// BInt(4)
  44 |     public static let FOUR = BInt(4)
/host/spi-builder-workspace/Sources/BigInt/BigInt.swift:44:23: warning: static property 'FOUR' is not concurrency-safe because non-'Sendable' type 'BInt' may have shared mutable state; this is an error in the Swift 6 language mode
  29 | infix operator ** : ExponentiationPrecedence
  30 |
  31 | public struct BInt: CustomStringConvertible, Comparable, Equatable, Hashable {
     |               `- note: consider making struct 'BInt' conform to the 'Sendable' protocol
  32 |
  33 |     // MARK: - Constants
     :
  42 |     public static let THREE = BInt(3)
  43 |     /// BInt(4)
  44 |     public static let FOUR = BInt(4)
     |                       |- warning: static property 'FOUR' is not concurrency-safe because non-'Sendable' type 'BInt' may have shared mutable state; this is an error in the Swift 6 language mode
     |                       |- note: annotate 'FOUR' 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
  45 |     /// BInt(5)
  46 |     public static let FIVE = BInt(5)
/host/spi-builder-workspace/Sources/BigInt/BigInt.swift:46:23: warning: static property 'FIVE' is not concurrency-safe because non-'Sendable' type 'BInt' may have shared mutable state; this is an error in the Swift 6 language mode
  29 | infix operator ** : ExponentiationPrecedence
  30 |
  31 | public struct BInt: CustomStringConvertible, Comparable, Equatable, Hashable {
     |               `- note: consider making struct 'BInt' conform to the 'Sendable' protocol
  32 |
  33 |     // MARK: - Constants
     :
  44 |     public static let FOUR = BInt(4)
  45 |     /// BInt(5)
  46 |     public static let FIVE = BInt(5)
     |                       |- warning: static property 'FIVE' is not concurrency-safe because non-'Sendable' type 'BInt' may have shared mutable state; this is an error in the Swift 6 language mode
     |                       |- note: annotate 'FIVE' 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
  47 |     /// BInt(6)
  48 |     public static let SIX = BInt(6)
/host/spi-builder-workspace/Sources/BigInt/BigInt.swift:48:23: warning: static property 'SIX' is not concurrency-safe because non-'Sendable' type 'BInt' may have shared mutable state; this is an error in the Swift 6 language mode
  29 | infix operator ** : ExponentiationPrecedence
  30 |
  31 | public struct BInt: CustomStringConvertible, Comparable, Equatable, Hashable {
     |               `- note: consider making struct 'BInt' conform to the 'Sendable' protocol
  32 |
  33 |     // MARK: - Constants
     :
  46 |     public static let FIVE = BInt(5)
  47 |     /// BInt(6)
  48 |     public static let SIX = BInt(6)
     |                       |- warning: static property 'SIX' is not concurrency-safe because non-'Sendable' type 'BInt' may have shared mutable state; this is an error in the Swift 6 language mode
     |                       |- note: annotate 'SIX' 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
  49 |     /// BInt(7)
  50 |     public static let SEVEN = BInt(7)
/host/spi-builder-workspace/Sources/BigInt/BigInt.swift:50:23: warning: static property 'SEVEN' is not concurrency-safe because non-'Sendable' type 'BInt' may have shared mutable state; this is an error in the Swift 6 language mode
  29 | infix operator ** : ExponentiationPrecedence
  30 |
  31 | public struct BInt: CustomStringConvertible, Comparable, Equatable, Hashable {
     |               `- note: consider making struct 'BInt' conform to the 'Sendable' protocol
  32 |
  33 |     // MARK: - Constants
     :
  48 |     public static let SIX = BInt(6)
  49 |     /// BInt(7)
  50 |     public static let SEVEN = BInt(7)
     |                       |- warning: static property 'SEVEN' is not concurrency-safe because non-'Sendable' type 'BInt' may have shared mutable state; this is an error in the Swift 6 language mode
     |                       |- note: annotate 'SEVEN' 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
  51 |     /// BInt(8)
  52 |     public static let EIGHT = BInt(8)
/host/spi-builder-workspace/Sources/BigInt/BigInt.swift:52:23: warning: static property 'EIGHT' is not concurrency-safe because non-'Sendable' type 'BInt' may have shared mutable state; this is an error in the Swift 6 language mode
  29 | infix operator ** : ExponentiationPrecedence
  30 |
  31 | public struct BInt: CustomStringConvertible, Comparable, Equatable, Hashable {
     |               `- note: consider making struct 'BInt' conform to the 'Sendable' protocol
  32 |
  33 |     // MARK: - Constants
     :
  50 |     public static let SEVEN = BInt(7)
  51 |     /// BInt(8)
  52 |     public static let EIGHT = BInt(8)
     |                       |- warning: static property 'EIGHT' is not concurrency-safe because non-'Sendable' type 'BInt' may have shared mutable state; this is an error in the Swift 6 language mode
     |                       |- note: annotate 'EIGHT' 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
  53 |     /// BInt(9)
  54 |     public static let NINE = BInt(9)
/host/spi-builder-workspace/Sources/BigInt/BigInt.swift:54:23: warning: static property 'NINE' is not concurrency-safe because non-'Sendable' type 'BInt' may have shared mutable state; this is an error in the Swift 6 language mode
  29 | infix operator ** : ExponentiationPrecedence
  30 |
  31 | public struct BInt: CustomStringConvertible, Comparable, Equatable, Hashable {
     |               `- note: consider making struct 'BInt' conform to the 'Sendable' protocol
  32 |
  33 |     // MARK: - Constants
     :
  52 |     public static let EIGHT = BInt(8)
  53 |     /// BInt(9)
  54 |     public static let NINE = BInt(9)
     |                       |- warning: static property 'NINE' is not concurrency-safe because non-'Sendable' type 'BInt' may have shared mutable state; this is an error in the Swift 6 language mode
     |                       |- note: annotate 'NINE' 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
  55 |     /// BInt(10)
  56 |     public static let TEN = BInt(10)
/host/spi-builder-workspace/Sources/BigInt/BigInt.swift:1708:16: warning: static property 'SPP' is not concurrency-safe because non-'Sendable' type 'BInt' may have shared mutable state; this is an error in the Swift 6 language mode
  29 | infix operator ** : ExponentiationPrecedence
  30 |
  31 | public struct BInt: CustomStringConvertible, Comparable, Equatable, Hashable {
     |               `- note: consider making struct 'BInt' conform to the 'Sendable' protocol
  32 |
  33 |     // MARK: - Constants
     :
1706 |
1707 |     // Small prime product
1708 |     static let SPP = BInt("152125131763605")! // = 3 * 5 * 7 * 11 * 13 * 17 * 19 * 23 * 29 * 31 * 37 * 41
     |                |- warning: static property 'SPP' is not concurrency-safe because non-'Sendable' type 'BInt' may have shared mutable state; this is an error in the Swift 6 language mode
     |                |- note: annotate 'SPP' 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
1709 |
1710 |     static func smallPrime(_ bitLength: Int) -> BInt {
/host/spi-builder-workspace/Sources/BigInt/BigInt.swift:1696:15: error: cannot find 'SecRandomCopyBytes' in scope
1694 |
1695 |     static internal func randomBytes(_ bytes: inout Bytes) {
1696 |         guard SecRandomCopyBytes(kSecRandomDefault, bytes.count, &bytes) == errSecSuccess else {
     |               `- error: cannot find 'SecRandomCopyBytes' in scope
1697 |             fatalError("randomBytes failed")
1698 |         }
/host/spi-builder-workspace/Sources/BigInt/BigInt.swift:1696:34: error: cannot find 'kSecRandomDefault' in scope
1694 |
1695 |     static internal func randomBytes(_ bytes: inout Bytes) {
1696 |         guard SecRandomCopyBytes(kSecRandomDefault, bytes.count, &bytes) == errSecSuccess else {
     |                                  `- error: cannot find 'kSecRandomDefault' in scope
1697 |             fatalError("randomBytes failed")
1698 |         }
/host/spi-builder-workspace/Sources/BigInt/BigInt.swift:1696:77: error: cannot find 'errSecSuccess' in scope
1694 |
1695 |     static internal func randomBytes(_ bytes: inout Bytes) {
1696 |         guard SecRandomCopyBytes(kSecRandomDefault, bytes.count, &bytes) == errSecSuccess else {
     |                                                                             `- error: cannot find 'errSecSuccess' in scope
1697 |             fatalError("randomBytes failed")
1698 |         }
/host/spi-builder-workspace/Sources/BigInt/BigInt.swift:1702:15: error: cannot find 'SecRandomCopyBytes' in scope
1700 |
1701 |     static internal func randomLimbs(_ limbs: inout Limbs) {
1702 |         guard SecRandomCopyBytes(kSecRandomDefault, 8 * limbs.count, &limbs) == errSecSuccess else {
     |               `- error: cannot find 'SecRandomCopyBytes' in scope
1703 |             fatalError("randomLimbs failed")
1704 |         }
/host/spi-builder-workspace/Sources/BigInt/BigInt.swift:1702:34: error: cannot find 'kSecRandomDefault' in scope
1700 |
1701 |     static internal func randomLimbs(_ limbs: inout Limbs) {
1702 |         guard SecRandomCopyBytes(kSecRandomDefault, 8 * limbs.count, &limbs) == errSecSuccess else {
     |                                  `- error: cannot find 'kSecRandomDefault' in scope
1703 |             fatalError("randomLimbs failed")
1704 |         }
/host/spi-builder-workspace/Sources/BigInt/BigInt.swift:1702:81: error: cannot find 'errSecSuccess' in scope
1700 |
1701 |     static internal func randomLimbs(_ limbs: inout Limbs) {
1702 |         guard SecRandomCopyBytes(kSecRandomDefault, 8 * limbs.count, &limbs) == errSecSuccess else {
     |                                                                                 `- error: cannot find 'errSecSuccess' in scope
1703 |             fatalError("randomLimbs failed")
1704 |         }
BUILD FAILURE 6.0 linux