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Build Information

Successful build of ReerKit, reference 1.2.6 (4344bd), with Swift 6.1 for Linux on 20 Apr 2026 03:13:38 UTC.

Swift 6 data race errors: 10

Build Command

bash -c docker run --pull=always --rm -v "checkouts-4609320-0":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/swiftpackageindex/spi-images:basic-6.1-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

    |                           |- note: add '@MainActor' to make static property 'lowercaseLetters' part of global actor 'MainActor'
    |                           `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 80 |         public static let uppercaseLetters = Self(uppercaseLettersString)
 81 |         public static let letters = Self(lowercaseLettersString, uppercaseLettersString)
/host/spi-builder-workspace/Sources/ReerKit/Utility/NanoID.swift:80:27: warning: static property 'uppercaseLetters' is not concurrency-safe because non-'Sendable' type 'NanoID.Alphabet' may have shared mutable state; this is an error in the Swift 6 language mode
 49 |
 50 | extension NanoID {
 51 |     public struct Alphabet {
    |                   `- note: consider making struct 'Alphabet' conform to the 'Sendable' protocol
 52 |         let characters: [Character]
 53 |
    :
 78 |         public static let numbers = Self(numbersString)
 79 |         public static let lowercaseLetters = Self(lowercaseLettersString)
 80 |         public static let uppercaseLetters = Self(uppercaseLettersString)
    |                           |- warning: static property 'uppercaseLetters' is not concurrency-safe because non-'Sendable' type 'NanoID.Alphabet' may have shared mutable state; this is an error in the Swift 6 language mode
    |                           |- note: add '@MainActor' to make static property 'uppercaseLetters' part of global actor 'MainActor'
    |                           `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 81 |         public static let letters = Self(lowercaseLettersString, uppercaseLettersString)
 82 |         public static let `default` = Self(lowercaseLettersString, uppercaseLettersString, "_-")
/host/spi-builder-workspace/Sources/ReerKit/Utility/NanoID.swift:81:27: warning: static property 'letters' is not concurrency-safe because non-'Sendable' type 'NanoID.Alphabet' may have shared mutable state; this is an error in the Swift 6 language mode
 49 |
 50 | extension NanoID {
 51 |     public struct Alphabet {
    |                   `- note: consider making struct 'Alphabet' conform to the 'Sendable' protocol
 52 |         let characters: [Character]
 53 |
    :
 79 |         public static let lowercaseLetters = Self(lowercaseLettersString)
 80 |         public static let uppercaseLetters = Self(uppercaseLettersString)
 81 |         public static let letters = Self(lowercaseLettersString, uppercaseLettersString)
    |                           |- warning: static property 'letters' is not concurrency-safe because non-'Sendable' type 'NanoID.Alphabet' may have shared mutable state; this is an error in the Swift 6 language mode
    |                           |- note: add '@MainActor' to make static property 'letters' part of global actor 'MainActor'
    |                           `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 82 |         public static let `default` = Self(lowercaseLettersString, uppercaseLettersString, "_-")
 83 |
/host/spi-builder-workspace/Sources/ReerKit/Utility/NanoID.swift:82:27: warning: static property 'default' is not concurrency-safe because non-'Sendable' type 'NanoID.Alphabet' may have shared mutable state; this is an error in the Swift 6 language mode
 49 |
 50 | extension NanoID {
 51 |     public struct Alphabet {
    |                   `- note: consider making struct 'Alphabet' conform to the 'Sendable' protocol
 52 |         let characters: [Character]
 53 |
    :
 80 |         public static let uppercaseLetters = Self(uppercaseLettersString)
 81 |         public static let letters = Self(lowercaseLettersString, uppercaseLettersString)
 82 |         public static let `default` = Self(lowercaseLettersString, uppercaseLettersString, "_-")
    |                           |- warning: static property 'default' is not concurrency-safe because non-'Sendable' type 'NanoID.Alphabet' may have shared mutable state; this is an error in the Swift 6 language mode
    |                           |- note: add '@MainActor' to make static property 'default' part of global actor 'MainActor'
    |                           `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 83 |
 84 |         private static let numbersString = "0123456789"
/host/spi-builder-workspace/Sources/ReerKit/Utility/Once.swift:38:17: warning: var 'tokens' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
36 | }
37 |
38 | fileprivate var tokens = Set<OnceToken>()
   |                 |- warning: var 'tokens' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
   |                 |- note: convert 'tokens' to a 'let' constant to make 'Sendable' shared state immutable
   |                 |- note: add '@MainActor' to make var 'tokens' part of global actor 'MainActor'
   |                 `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
39 |
40 | #if os(Linux)
/host/spi-builder-workspace/Sources/ReerKit/Utility/Once.swift:41:17: warning: let 'lock' is not concurrency-safe because non-'Sendable' type 'MutexLock' may have shared mutable state; this is an error in the Swift 6 language mode
39 |
40 | #if os(Linux)
41 | fileprivate let lock = MutexLock()
   |                 |- warning: let 'lock' is not concurrency-safe because non-'Sendable' type 'MutexLock' may have shared mutable state; this is an error in the Swift 6 language mode
   |                 |- note: add '@MainActor' to make let 'lock' part of global actor 'MainActor'
   |                 `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
42 | #else
43 | fileprivate let lock = UnfairLock()
/host/spi-builder-workspace/Sources/ReerKit/Utility/Lock/MutexLock.swift:29:20: note: class 'MutexLock' does not conform to the 'Sendable' protocol
27 |
28 | /// ReerKit: A wrapper class for pthread mutex, providing a simple interface for thread synchronization.
29 | public final class MutexLock {
   |                    `- note: class 'MutexLock' does not conform to the 'Sendable' protocol
30 |     private var mutex = pthread_mutex_t()
31 |
[83/144] Compiling ReerKit MutexLock.swift
/host/spi-builder-workspace/Sources/ReerKit/Utility/NanoID.swift:46:23: warning: static property 'defaultRandomizer' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
 44 |     public static var defaultRandomizer: Randomizer = SecureRandomizer()
 45 |     #else
 46 |     public static var defaultRandomizer: Randomizer = IntRandomizer()
    |                       |- warning: static property 'defaultRandomizer' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: convert 'defaultRandomizer' to a 'let' constant to make 'Sendable' shared state immutable
    |                       |- note: add '@MainActor' to make static property 'defaultRandomizer' part of global actor 'MainActor'
    |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 47 |     #endif
 48 | }
/host/spi-builder-workspace/Sources/ReerKit/Utility/NanoID.swift:78:27: warning: static property 'numbers' is not concurrency-safe because non-'Sendable' type 'NanoID.Alphabet' may have shared mutable state; this is an error in the Swift 6 language mode
 49 |
 50 | extension NanoID {
 51 |     public struct Alphabet {
    |                   `- note: consider making struct 'Alphabet' conform to the 'Sendable' protocol
 52 |         let characters: [Character]
 53 |
    :
 76 |         }
 77 |
 78 |         public static let numbers = Self(numbersString)
    |                           |- warning: static property 'numbers' is not concurrency-safe because non-'Sendable' type 'NanoID.Alphabet' may have shared mutable state; this is an error in the Swift 6 language mode
    |                           |- note: add '@MainActor' to make static property 'numbers' part of global actor 'MainActor'
    |                           `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 79 |         public static let lowercaseLetters = Self(lowercaseLettersString)
 80 |         public static let uppercaseLetters = Self(uppercaseLettersString)
/host/spi-builder-workspace/Sources/ReerKit/Utility/NanoID.swift:79:27: warning: static property 'lowercaseLetters' is not concurrency-safe because non-'Sendable' type 'NanoID.Alphabet' may have shared mutable state; this is an error in the Swift 6 language mode
 49 |
 50 | extension NanoID {
 51 |     public struct Alphabet {
    |                   `- note: consider making struct 'Alphabet' conform to the 'Sendable' protocol
 52 |         let characters: [Character]
 53 |
    :
 77 |
 78 |         public static let numbers = Self(numbersString)
 79 |         public static let lowercaseLetters = Self(lowercaseLettersString)
    |                           |- warning: static property 'lowercaseLetters' is not concurrency-safe because non-'Sendable' type 'NanoID.Alphabet' may have shared mutable state; this is an error in the Swift 6 language mode
    |                           |- note: add '@MainActor' to make static property 'lowercaseLetters' part of global actor 'MainActor'
    |                           `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 80 |         public static let uppercaseLetters = Self(uppercaseLettersString)
 81 |         public static let letters = Self(lowercaseLettersString, uppercaseLettersString)
/host/spi-builder-workspace/Sources/ReerKit/Utility/NanoID.swift:80:27: warning: static property 'uppercaseLetters' is not concurrency-safe because non-'Sendable' type 'NanoID.Alphabet' may have shared mutable state; this is an error in the Swift 6 language mode
 49 |
 50 | extension NanoID {
 51 |     public struct Alphabet {
    |                   `- note: consider making struct 'Alphabet' conform to the 'Sendable' protocol
 52 |         let characters: [Character]
 53 |
    :
 78 |         public static let numbers = Self(numbersString)
 79 |         public static let lowercaseLetters = Self(lowercaseLettersString)
 80 |         public static let uppercaseLetters = Self(uppercaseLettersString)
    |                           |- warning: static property 'uppercaseLetters' is not concurrency-safe because non-'Sendable' type 'NanoID.Alphabet' may have shared mutable state; this is an error in the Swift 6 language mode
    |                           |- note: add '@MainActor' to make static property 'uppercaseLetters' part of global actor 'MainActor'
    |                           `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 81 |         public static let letters = Self(lowercaseLettersString, uppercaseLettersString)
 82 |         public static let `default` = Self(lowercaseLettersString, uppercaseLettersString, "_-")
/host/spi-builder-workspace/Sources/ReerKit/Utility/NanoID.swift:81:27: warning: static property 'letters' is not concurrency-safe because non-'Sendable' type 'NanoID.Alphabet' may have shared mutable state; this is an error in the Swift 6 language mode
 49 |
 50 | extension NanoID {
 51 |     public struct Alphabet {
    |                   `- note: consider making struct 'Alphabet' conform to the 'Sendable' protocol
 52 |         let characters: [Character]
 53 |
    :
 79 |         public static let lowercaseLetters = Self(lowercaseLettersString)
 80 |         public static let uppercaseLetters = Self(uppercaseLettersString)
 81 |         public static let letters = Self(lowercaseLettersString, uppercaseLettersString)
    |                           |- warning: static property 'letters' is not concurrency-safe because non-'Sendable' type 'NanoID.Alphabet' may have shared mutable state; this is an error in the Swift 6 language mode
    |                           |- note: add '@MainActor' to make static property 'letters' part of global actor 'MainActor'
    |                           `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 82 |         public static let `default` = Self(lowercaseLettersString, uppercaseLettersString, "_-")
 83 |
/host/spi-builder-workspace/Sources/ReerKit/Utility/NanoID.swift:82:27: warning: static property 'default' is not concurrency-safe because non-'Sendable' type 'NanoID.Alphabet' may have shared mutable state; this is an error in the Swift 6 language mode
 49 |
 50 | extension NanoID {
 51 |     public struct Alphabet {
    |                   `- note: consider making struct 'Alphabet' conform to the 'Sendable' protocol
 52 |         let characters: [Character]
 53 |
    :
 80 |         public static let uppercaseLetters = Self(uppercaseLettersString)
 81 |         public static let letters = Self(lowercaseLettersString, uppercaseLettersString)
 82 |         public static let `default` = Self(lowercaseLettersString, uppercaseLettersString, "_-")
    |                           |- warning: static property 'default' is not concurrency-safe because non-'Sendable' type 'NanoID.Alphabet' may have shared mutable state; this is an error in the Swift 6 language mode
    |                           |- note: add '@MainActor' to make static property 'default' part of global actor 'MainActor'
    |                           `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 83 |
 84 |         private static let numbersString = "0123456789"
/host/spi-builder-workspace/Sources/ReerKit/Utility/Once.swift:38:17: warning: var 'tokens' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
36 | }
37 |
38 | fileprivate var tokens = Set<OnceToken>()
   |                 |- warning: var 'tokens' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
   |                 |- note: convert 'tokens' to a 'let' constant to make 'Sendable' shared state immutable
   |                 |- note: add '@MainActor' to make var 'tokens' part of global actor 'MainActor'
   |                 `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
39 |
40 | #if os(Linux)
/host/spi-builder-workspace/Sources/ReerKit/Utility/Once.swift:41:17: warning: let 'lock' is not concurrency-safe because non-'Sendable' type 'MutexLock' may have shared mutable state; this is an error in the Swift 6 language mode
39 |
40 | #if os(Linux)
41 | fileprivate let lock = MutexLock()
   |                 |- warning: let 'lock' is not concurrency-safe because non-'Sendable' type 'MutexLock' may have shared mutable state; this is an error in the Swift 6 language mode
   |                 |- note: add '@MainActor' to make let 'lock' part of global actor 'MainActor'
   |                 `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
42 | #else
43 | fileprivate let lock = UnfairLock()
/host/spi-builder-workspace/Sources/ReerKit/Utility/Lock/MutexLock.swift:29:20: note: class 'MutexLock' does not conform to the 'Sendable' protocol
27 |
28 | /// ReerKit: A wrapper class for pthread mutex, providing a simple interface for thread synchronization.
29 | public final class MutexLock {
   |                    `- note: class 'MutexLock' does not conform to the 'Sendable' protocol
30 |     private var mutex = pthread_mutex_t()
31 |
[84/144] Compiling ReerKit ReadWriteLock.swift
/host/spi-builder-workspace/Sources/ReerKit/Utility/NanoID.swift:46:23: warning: static property 'defaultRandomizer' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
 44 |     public static var defaultRandomizer: Randomizer = SecureRandomizer()
 45 |     #else
 46 |     public static var defaultRandomizer: Randomizer = IntRandomizer()
    |                       |- warning: static property 'defaultRandomizer' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: convert 'defaultRandomizer' to a 'let' constant to make 'Sendable' shared state immutable
    |                       |- note: add '@MainActor' to make static property 'defaultRandomizer' part of global actor 'MainActor'
    |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 47 |     #endif
 48 | }
/host/spi-builder-workspace/Sources/ReerKit/Utility/NanoID.swift:78:27: warning: static property 'numbers' is not concurrency-safe because non-'Sendable' type 'NanoID.Alphabet' may have shared mutable state; this is an error in the Swift 6 language mode
 49 |
 50 | extension NanoID {
 51 |     public struct Alphabet {
    |                   `- note: consider making struct 'Alphabet' conform to the 'Sendable' protocol
 52 |         let characters: [Character]
 53 |
    :
 76 |         }
 77 |
 78 |         public static let numbers = Self(numbersString)
    |                           |- warning: static property 'numbers' is not concurrency-safe because non-'Sendable' type 'NanoID.Alphabet' may have shared mutable state; this is an error in the Swift 6 language mode
    |                           |- note: add '@MainActor' to make static property 'numbers' part of global actor 'MainActor'
    |                           `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 79 |         public static let lowercaseLetters = Self(lowercaseLettersString)
 80 |         public static let uppercaseLetters = Self(uppercaseLettersString)
/host/spi-builder-workspace/Sources/ReerKit/Utility/NanoID.swift:79:27: warning: static property 'lowercaseLetters' is not concurrency-safe because non-'Sendable' type 'NanoID.Alphabet' may have shared mutable state; this is an error in the Swift 6 language mode
 49 |
 50 | extension NanoID {
 51 |     public struct Alphabet {
    |                   `- note: consider making struct 'Alphabet' conform to the 'Sendable' protocol
 52 |         let characters: [Character]
 53 |
    :
 77 |
 78 |         public static let numbers = Self(numbersString)
 79 |         public static let lowercaseLetters = Self(lowercaseLettersString)
    |                           |- warning: static property 'lowercaseLetters' is not concurrency-safe because non-'Sendable' type 'NanoID.Alphabet' may have shared mutable state; this is an error in the Swift 6 language mode
    |                           |- note: add '@MainActor' to make static property 'lowercaseLetters' part of global actor 'MainActor'
    |                           `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 80 |         public static let uppercaseLetters = Self(uppercaseLettersString)
 81 |         public static let letters = Self(lowercaseLettersString, uppercaseLettersString)
/host/spi-builder-workspace/Sources/ReerKit/Utility/NanoID.swift:80:27: warning: static property 'uppercaseLetters' is not concurrency-safe because non-'Sendable' type 'NanoID.Alphabet' may have shared mutable state; this is an error in the Swift 6 language mode
 49 |
 50 | extension NanoID {
 51 |     public struct Alphabet {
    |                   `- note: consider making struct 'Alphabet' conform to the 'Sendable' protocol
 52 |         let characters: [Character]
 53 |
    :
 78 |         public static let numbers = Self(numbersString)
 79 |         public static let lowercaseLetters = Self(lowercaseLettersString)
 80 |         public static let uppercaseLetters = Self(uppercaseLettersString)
    |                           |- warning: static property 'uppercaseLetters' is not concurrency-safe because non-'Sendable' type 'NanoID.Alphabet' may have shared mutable state; this is an error in the Swift 6 language mode
    |                           |- note: add '@MainActor' to make static property 'uppercaseLetters' part of global actor 'MainActor'
    |                           `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 81 |         public static let letters = Self(lowercaseLettersString, uppercaseLettersString)
 82 |         public static let `default` = Self(lowercaseLettersString, uppercaseLettersString, "_-")
/host/spi-builder-workspace/Sources/ReerKit/Utility/NanoID.swift:81:27: warning: static property 'letters' is not concurrency-safe because non-'Sendable' type 'NanoID.Alphabet' may have shared mutable state; this is an error in the Swift 6 language mode
 49 |
 50 | extension NanoID {
 51 |     public struct Alphabet {
    |                   `- note: consider making struct 'Alphabet' conform to the 'Sendable' protocol
 52 |         let characters: [Character]
 53 |
    :
 79 |         public static let lowercaseLetters = Self(lowercaseLettersString)
 80 |         public static let uppercaseLetters = Self(uppercaseLettersString)
 81 |         public static let letters = Self(lowercaseLettersString, uppercaseLettersString)
    |                           |- warning: static property 'letters' is not concurrency-safe because non-'Sendable' type 'NanoID.Alphabet' may have shared mutable state; this is an error in the Swift 6 language mode
    |                           |- note: add '@MainActor' to make static property 'letters' part of global actor 'MainActor'
    |                           `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 82 |         public static let `default` = Self(lowercaseLettersString, uppercaseLettersString, "_-")
 83 |
/host/spi-builder-workspace/Sources/ReerKit/Utility/NanoID.swift:82:27: warning: static property 'default' is not concurrency-safe because non-'Sendable' type 'NanoID.Alphabet' may have shared mutable state; this is an error in the Swift 6 language mode
 49 |
 50 | extension NanoID {
 51 |     public struct Alphabet {
    |                   `- note: consider making struct 'Alphabet' conform to the 'Sendable' protocol
 52 |         let characters: [Character]
 53 |
    :
 80 |         public static let uppercaseLetters = Self(uppercaseLettersString)
 81 |         public static let letters = Self(lowercaseLettersString, uppercaseLettersString)
 82 |         public static let `default` = Self(lowercaseLettersString, uppercaseLettersString, "_-")
    |                           |- warning: static property 'default' is not concurrency-safe because non-'Sendable' type 'NanoID.Alphabet' may have shared mutable state; this is an error in the Swift 6 language mode
    |                           |- note: add '@MainActor' to make static property 'default' part of global actor 'MainActor'
    |                           `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 83 |
 84 |         private static let numbersString = "0123456789"
/host/spi-builder-workspace/Sources/ReerKit/Utility/Once.swift:38:17: warning: var 'tokens' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
36 | }
37 |
38 | fileprivate var tokens = Set<OnceToken>()
   |                 |- warning: var 'tokens' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
   |                 |- note: convert 'tokens' to a 'let' constant to make 'Sendable' shared state immutable
   |                 |- note: add '@MainActor' to make var 'tokens' part of global actor 'MainActor'
   |                 `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
39 |
40 | #if os(Linux)
/host/spi-builder-workspace/Sources/ReerKit/Utility/Once.swift:41:17: warning: let 'lock' is not concurrency-safe because non-'Sendable' type 'MutexLock' may have shared mutable state; this is an error in the Swift 6 language mode
39 |
40 | #if os(Linux)
41 | fileprivate let lock = MutexLock()
   |                 |- warning: let 'lock' is not concurrency-safe because non-'Sendable' type 'MutexLock' may have shared mutable state; this is an error in the Swift 6 language mode
   |                 |- note: add '@MainActor' to make let 'lock' part of global actor 'MainActor'
   |                 `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
42 | #else
43 | fileprivate let lock = UnfairLock()
/host/spi-builder-workspace/Sources/ReerKit/Utility/Lock/MutexLock.swift:29:20: note: class 'MutexLock' does not conform to the 'Sendable' protocol
27 |
28 | /// ReerKit: A wrapper class for pthread mutex, providing a simple interface for thread synchronization.
29 | public final class MutexLock {
   |                    `- note: class 'MutexLock' does not conform to the 'Sendable' protocol
30 |     private var mutex = pthread_mutex_t()
31 |
[85/144] Compiling ReerKit Synchronizing.swift
/host/spi-builder-workspace/Sources/ReerKit/Utility/NanoID.swift:46:23: warning: static property 'defaultRandomizer' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
 44 |     public static var defaultRandomizer: Randomizer = SecureRandomizer()
 45 |     #else
 46 |     public static var defaultRandomizer: Randomizer = IntRandomizer()
    |                       |- warning: static property 'defaultRandomizer' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: convert 'defaultRandomizer' to a 'let' constant to make 'Sendable' shared state immutable
    |                       |- note: add '@MainActor' to make static property 'defaultRandomizer' part of global actor 'MainActor'
    |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 47 |     #endif
 48 | }
/host/spi-builder-workspace/Sources/ReerKit/Utility/NanoID.swift:78:27: warning: static property 'numbers' is not concurrency-safe because non-'Sendable' type 'NanoID.Alphabet' may have shared mutable state; this is an error in the Swift 6 language mode
 49 |
 50 | extension NanoID {
 51 |     public struct Alphabet {
    |                   `- note: consider making struct 'Alphabet' conform to the 'Sendable' protocol
 52 |         let characters: [Character]
 53 |
    :
 76 |         }
 77 |
 78 |         public static let numbers = Self(numbersString)
    |                           |- warning: static property 'numbers' is not concurrency-safe because non-'Sendable' type 'NanoID.Alphabet' may have shared mutable state; this is an error in the Swift 6 language mode
    |                           |- note: add '@MainActor' to make static property 'numbers' part of global actor 'MainActor'
    |                           `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 79 |         public static let lowercaseLetters = Self(lowercaseLettersString)
 80 |         public static let uppercaseLetters = Self(uppercaseLettersString)
/host/spi-builder-workspace/Sources/ReerKit/Utility/NanoID.swift:79:27: warning: static property 'lowercaseLetters' is not concurrency-safe because non-'Sendable' type 'NanoID.Alphabet' may have shared mutable state; this is an error in the Swift 6 language mode
 49 |
 50 | extension NanoID {
 51 |     public struct Alphabet {
    |                   `- note: consider making struct 'Alphabet' conform to the 'Sendable' protocol
 52 |         let characters: [Character]
 53 |
    :
 77 |
 78 |         public static let numbers = Self(numbersString)
 79 |         public static let lowercaseLetters = Self(lowercaseLettersString)
    |                           |- warning: static property 'lowercaseLetters' is not concurrency-safe because non-'Sendable' type 'NanoID.Alphabet' may have shared mutable state; this is an error in the Swift 6 language mode
    |                           |- note: add '@MainActor' to make static property 'lowercaseLetters' part of global actor 'MainActor'
    |                           `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 80 |         public static let uppercaseLetters = Self(uppercaseLettersString)
 81 |         public static let letters = Self(lowercaseLettersString, uppercaseLettersString)
/host/spi-builder-workspace/Sources/ReerKit/Utility/NanoID.swift:80:27: warning: static property 'uppercaseLetters' is not concurrency-safe because non-'Sendable' type 'NanoID.Alphabet' may have shared mutable state; this is an error in the Swift 6 language mode
 49 |
 50 | extension NanoID {
 51 |     public struct Alphabet {
    |                   `- note: consider making struct 'Alphabet' conform to the 'Sendable' protocol
 52 |         let characters: [Character]
 53 |
    :
 78 |         public static let numbers = Self(numbersString)
 79 |         public static let lowercaseLetters = Self(lowercaseLettersString)
 80 |         public static let uppercaseLetters = Self(uppercaseLettersString)
    |                           |- warning: static property 'uppercaseLetters' is not concurrency-safe because non-'Sendable' type 'NanoID.Alphabet' may have shared mutable state; this is an error in the Swift 6 language mode
    |                           |- note: add '@MainActor' to make static property 'uppercaseLetters' part of global actor 'MainActor'
    |                           `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 81 |         public static let letters = Self(lowercaseLettersString, uppercaseLettersString)
 82 |         public static let `default` = Self(lowercaseLettersString, uppercaseLettersString, "_-")
/host/spi-builder-workspace/Sources/ReerKit/Utility/NanoID.swift:81:27: warning: static property 'letters' is not concurrency-safe because non-'Sendable' type 'NanoID.Alphabet' may have shared mutable state; this is an error in the Swift 6 language mode
 49 |
 50 | extension NanoID {
 51 |     public struct Alphabet {
    |                   `- note: consider making struct 'Alphabet' conform to the 'Sendable' protocol
 52 |         let characters: [Character]
 53 |
    :
 79 |         public static let lowercaseLetters = Self(lowercaseLettersString)
 80 |         public static let uppercaseLetters = Self(uppercaseLettersString)
 81 |         public static let letters = Self(lowercaseLettersString, uppercaseLettersString)
    |                           |- warning: static property 'letters' is not concurrency-safe because non-'Sendable' type 'NanoID.Alphabet' may have shared mutable state; this is an error in the Swift 6 language mode
    |                           |- note: add '@MainActor' to make static property 'letters' part of global actor 'MainActor'
    |                           `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 82 |         public static let `default` = Self(lowercaseLettersString, uppercaseLettersString, "_-")
 83 |
/host/spi-builder-workspace/Sources/ReerKit/Utility/NanoID.swift:82:27: warning: static property 'default' is not concurrency-safe because non-'Sendable' type 'NanoID.Alphabet' may have shared mutable state; this is an error in the Swift 6 language mode
 49 |
 50 | extension NanoID {
 51 |     public struct Alphabet {
    |                   `- note: consider making struct 'Alphabet' conform to the 'Sendable' protocol
 52 |         let characters: [Character]
 53 |
    :
 80 |         public static let uppercaseLetters = Self(uppercaseLettersString)
 81 |         public static let letters = Self(lowercaseLettersString, uppercaseLettersString)
 82 |         public static let `default` = Self(lowercaseLettersString, uppercaseLettersString, "_-")
    |                           |- warning: static property 'default' is not concurrency-safe because non-'Sendable' type 'NanoID.Alphabet' may have shared mutable state; this is an error in the Swift 6 language mode
    |                           |- note: add '@MainActor' to make static property 'default' part of global actor 'MainActor'
    |                           `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 83 |
 84 |         private static let numbersString = "0123456789"
/host/spi-builder-workspace/Sources/ReerKit/Utility/Once.swift:38:17: warning: var 'tokens' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
36 | }
37 |
38 | fileprivate var tokens = Set<OnceToken>()
   |                 |- warning: var 'tokens' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
   |                 |- note: convert 'tokens' to a 'let' constant to make 'Sendable' shared state immutable
   |                 |- note: add '@MainActor' to make var 'tokens' part of global actor 'MainActor'
   |                 `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
39 |
40 | #if os(Linux)
/host/spi-builder-workspace/Sources/ReerKit/Utility/Once.swift:41:17: warning: let 'lock' is not concurrency-safe because non-'Sendable' type 'MutexLock' may have shared mutable state; this is an error in the Swift 6 language mode
39 |
40 | #if os(Linux)
41 | fileprivate let lock = MutexLock()
   |                 |- warning: let 'lock' is not concurrency-safe because non-'Sendable' type 'MutexLock' may have shared mutable state; this is an error in the Swift 6 language mode
   |                 |- note: add '@MainActor' to make let 'lock' part of global actor 'MainActor'
   |                 `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
42 | #else
43 | fileprivate let lock = UnfairLock()
/host/spi-builder-workspace/Sources/ReerKit/Utility/Lock/MutexLock.swift:29:20: note: class 'MutexLock' does not conform to the 'Sendable' protocol
27 |
28 | /// ReerKit: A wrapper class for pthread mutex, providing a simple interface for thread synchronization.
29 | public final class MutexLock {
   |                    `- note: class 'MutexLock' does not conform to the 'Sendable' protocol
30 |     private var mutex = pthread_mutex_t()
31 |
[86/144] Compiling ReerKit UnfairLock.swift
/host/spi-builder-workspace/Sources/ReerKit/Utility/NanoID.swift:46:23: warning: static property 'defaultRandomizer' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
 44 |     public static var defaultRandomizer: Randomizer = SecureRandomizer()
 45 |     #else
 46 |     public static var defaultRandomizer: Randomizer = IntRandomizer()
    |                       |- warning: static property 'defaultRandomizer' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: convert 'defaultRandomizer' to a 'let' constant to make 'Sendable' shared state immutable
    |                       |- note: add '@MainActor' to make static property 'defaultRandomizer' part of global actor 'MainActor'
    |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 47 |     #endif
 48 | }
/host/spi-builder-workspace/Sources/ReerKit/Utility/NanoID.swift:78:27: warning: static property 'numbers' is not concurrency-safe because non-'Sendable' type 'NanoID.Alphabet' may have shared mutable state; this is an error in the Swift 6 language mode
 49 |
 50 | extension NanoID {
 51 |     public struct Alphabet {
    |                   `- note: consider making struct 'Alphabet' conform to the 'Sendable' protocol
 52 |         let characters: [Character]
 53 |
    :
 76 |         }
 77 |
 78 |         public static let numbers = Self(numbersString)
    |                           |- warning: static property 'numbers' is not concurrency-safe because non-'Sendable' type 'NanoID.Alphabet' may have shared mutable state; this is an error in the Swift 6 language mode
    |                           |- note: add '@MainActor' to make static property 'numbers' part of global actor 'MainActor'
    |                           `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 79 |         public static let lowercaseLetters = Self(lowercaseLettersString)
 80 |         public static let uppercaseLetters = Self(uppercaseLettersString)
/host/spi-builder-workspace/Sources/ReerKit/Utility/NanoID.swift:79:27: warning: static property 'lowercaseLetters' is not concurrency-safe because non-'Sendable' type 'NanoID.Alphabet' may have shared mutable state; this is an error in the Swift 6 language mode
 49 |
 50 | extension NanoID {
 51 |     public struct Alphabet {
    |                   `- note: consider making struct 'Alphabet' conform to the 'Sendable' protocol
 52 |         let characters: [Character]
 53 |
    :
 77 |
 78 |         public static let numbers = Self(numbersString)
 79 |         public static let lowercaseLetters = Self(lowercaseLettersString)
    |                           |- warning: static property 'lowercaseLetters' is not concurrency-safe because non-'Sendable' type 'NanoID.Alphabet' may have shared mutable state; this is an error in the Swift 6 language mode
    |                           |- note: add '@MainActor' to make static property 'lowercaseLetters' part of global actor 'MainActor'
    |                           `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 80 |         public static let uppercaseLetters = Self(uppercaseLettersString)
 81 |         public static let letters = Self(lowercaseLettersString, uppercaseLettersString)
/host/spi-builder-workspace/Sources/ReerKit/Utility/NanoID.swift:80:27: warning: static property 'uppercaseLetters' is not concurrency-safe because non-'Sendable' type 'NanoID.Alphabet' may have shared mutable state; this is an error in the Swift 6 language mode
 49 |
 50 | extension NanoID {
 51 |     public struct Alphabet {
    |                   `- note: consider making struct 'Alphabet' conform to the 'Sendable' protocol
 52 |         let characters: [Character]
 53 |
    :
 78 |         public static let numbers = Self(numbersString)
 79 |         public static let lowercaseLetters = Self(lowercaseLettersString)
 80 |         public static let uppercaseLetters = Self(uppercaseLettersString)
    |                           |- warning: static property 'uppercaseLetters' is not concurrency-safe because non-'Sendable' type 'NanoID.Alphabet' may have shared mutable state; this is an error in the Swift 6 language mode
    |                           |- note: add '@MainActor' to make static property 'uppercaseLetters' part of global actor 'MainActor'
    |                           `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 81 |         public static let letters = Self(lowercaseLettersString, uppercaseLettersString)
 82 |         public static let `default` = Self(lowercaseLettersString, uppercaseLettersString, "_-")
/host/spi-builder-workspace/Sources/ReerKit/Utility/NanoID.swift:81:27: warning: static property 'letters' is not concurrency-safe because non-'Sendable' type 'NanoID.Alphabet' may have shared mutable state; this is an error in the Swift 6 language mode
 49 |
 50 | extension NanoID {
 51 |     public struct Alphabet {
    |                   `- note: consider making struct 'Alphabet' conform to the 'Sendable' protocol
 52 |         let characters: [Character]
 53 |
    :
 79 |         public static let lowercaseLetters = Self(lowercaseLettersString)
 80 |         public static let uppercaseLetters = Self(uppercaseLettersString)
 81 |         public static let letters = Self(lowercaseLettersString, uppercaseLettersString)
    |                           |- warning: static property 'letters' is not concurrency-safe because non-'Sendable' type 'NanoID.Alphabet' may have shared mutable state; this is an error in the Swift 6 language mode
    |                           |- note: add '@MainActor' to make static property 'letters' part of global actor 'MainActor'
    |                           `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 82 |         public static let `default` = Self(lowercaseLettersString, uppercaseLettersString, "_-")
 83 |
/host/spi-builder-workspace/Sources/ReerKit/Utility/NanoID.swift:82:27: warning: static property 'default' is not concurrency-safe because non-'Sendable' type 'NanoID.Alphabet' may have shared mutable state; this is an error in the Swift 6 language mode
 49 |
 50 | extension NanoID {
 51 |     public struct Alphabet {
    |                   `- note: consider making struct 'Alphabet' conform to the 'Sendable' protocol
 52 |         let characters: [Character]
 53 |
    :
 80 |         public static let uppercaseLetters = Self(uppercaseLettersString)
 81 |         public static let letters = Self(lowercaseLettersString, uppercaseLettersString)
 82 |         public static let `default` = Self(lowercaseLettersString, uppercaseLettersString, "_-")
    |                           |- warning: static property 'default' is not concurrency-safe because non-'Sendable' type 'NanoID.Alphabet' may have shared mutable state; this is an error in the Swift 6 language mode
    |                           |- note: add '@MainActor' to make static property 'default' part of global actor 'MainActor'
    |                           `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 83 |
 84 |         private static let numbersString = "0123456789"
/host/spi-builder-workspace/Sources/ReerKit/Utility/Once.swift:38:17: warning: var 'tokens' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
36 | }
37 |
38 | fileprivate var tokens = Set<OnceToken>()
   |                 |- warning: var 'tokens' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
   |                 |- note: convert 'tokens' to a 'let' constant to make 'Sendable' shared state immutable
   |                 |- note: add '@MainActor' to make var 'tokens' part of global actor 'MainActor'
   |                 `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
39 |
40 | #if os(Linux)
/host/spi-builder-workspace/Sources/ReerKit/Utility/Once.swift:41:17: warning: let 'lock' is not concurrency-safe because non-'Sendable' type 'MutexLock' may have shared mutable state; this is an error in the Swift 6 language mode
39 |
40 | #if os(Linux)
41 | fileprivate let lock = MutexLock()
   |                 |- warning: let 'lock' is not concurrency-safe because non-'Sendable' type 'MutexLock' may have shared mutable state; this is an error in the Swift 6 language mode
   |                 |- note: add '@MainActor' to make let 'lock' part of global actor 'MainActor'
   |                 `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
42 | #else
43 | fileprivate let lock = UnfairLock()
/host/spi-builder-workspace/Sources/ReerKit/Utility/Lock/MutexLock.swift:29:20: note: class 'MutexLock' does not conform to the 'Sendable' protocol
27 |
28 | /// ReerKit: A wrapper class for pthread mutex, providing a simple interface for thread synchronization.
29 | public final class MutexLock {
   |                    `- note: class 'MutexLock' does not conform to the 'Sendable' protocol
30 |     private var mutex = pthread_mutex_t()
31 |
[87/144] Compiling ReerKit LinearFunction.swift
/host/spi-builder-workspace/Sources/ReerKit/Utility/NanoID.swift:46:23: warning: static property 'defaultRandomizer' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
 44 |     public static var defaultRandomizer: Randomizer = SecureRandomizer()
 45 |     #else
 46 |     public static var defaultRandomizer: Randomizer = IntRandomizer()
    |                       |- warning: static property 'defaultRandomizer' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: convert 'defaultRandomizer' to a 'let' constant to make 'Sendable' shared state immutable
    |                       |- note: add '@MainActor' to make static property 'defaultRandomizer' part of global actor 'MainActor'
    |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 47 |     #endif
 48 | }
/host/spi-builder-workspace/Sources/ReerKit/Utility/NanoID.swift:78:27: warning: static property 'numbers' is not concurrency-safe because non-'Sendable' type 'NanoID.Alphabet' may have shared mutable state; this is an error in the Swift 6 language mode
 49 |
 50 | extension NanoID {
 51 |     public struct Alphabet {
    |                   `- note: consider making struct 'Alphabet' conform to the 'Sendable' protocol
 52 |         let characters: [Character]
 53 |
    :
 76 |         }
 77 |
 78 |         public static let numbers = Self(numbersString)
    |                           |- warning: static property 'numbers' is not concurrency-safe because non-'Sendable' type 'NanoID.Alphabet' may have shared mutable state; this is an error in the Swift 6 language mode
    |                           |- note: add '@MainActor' to make static property 'numbers' part of global actor 'MainActor'
    |                           `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 79 |         public static let lowercaseLetters = Self(lowercaseLettersString)
 80 |         public static let uppercaseLetters = Self(uppercaseLettersString)
/host/spi-builder-workspace/Sources/ReerKit/Utility/NanoID.swift:79:27: warning: static property 'lowercaseLetters' is not concurrency-safe because non-'Sendable' type 'NanoID.Alphabet' may have shared mutable state; this is an error in the Swift 6 language mode
 49 |
 50 | extension NanoID {
 51 |     public struct Alphabet {
    |                   `- note: consider making struct 'Alphabet' conform to the 'Sendable' protocol
 52 |         let characters: [Character]
 53 |
    :
 77 |
 78 |         public static let numbers = Self(numbersString)
 79 |         public static let lowercaseLetters = Self(lowercaseLettersString)
    |                           |- warning: static property 'lowercaseLetters' is not concurrency-safe because non-'Sendable' type 'NanoID.Alphabet' may have shared mutable state; this is an error in the Swift 6 language mode
    |                           |- note: add '@MainActor' to make static property 'lowercaseLetters' part of global actor 'MainActor'
    |                           `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 80 |         public static let uppercaseLetters = Self(uppercaseLettersString)
 81 |         public static let letters = Self(lowercaseLettersString, uppercaseLettersString)
/host/spi-builder-workspace/Sources/ReerKit/Utility/NanoID.swift:80:27: warning: static property 'uppercaseLetters' is not concurrency-safe because non-'Sendable' type 'NanoID.Alphabet' may have shared mutable state; this is an error in the Swift 6 language mode
 49 |
 50 | extension NanoID {
 51 |     public struct Alphabet {
    |                   `- note: consider making struct 'Alphabet' conform to the 'Sendable' protocol
 52 |         let characters: [Character]
 53 |
    :
 78 |         public static let numbers = Self(numbersString)
 79 |         public static let lowercaseLetters = Self(lowercaseLettersString)
 80 |         public static let uppercaseLetters = Self(uppercaseLettersString)
    |                           |- warning: static property 'uppercaseLetters' is not concurrency-safe because non-'Sendable' type 'NanoID.Alphabet' may have shared mutable state; this is an error in the Swift 6 language mode
    |                           |- note: add '@MainActor' to make static property 'uppercaseLetters' part of global actor 'MainActor'
    |                           `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 81 |         public static let letters = Self(lowercaseLettersString, uppercaseLettersString)
 82 |         public static let `default` = Self(lowercaseLettersString, uppercaseLettersString, "_-")
/host/spi-builder-workspace/Sources/ReerKit/Utility/NanoID.swift:81:27: warning: static property 'letters' is not concurrency-safe because non-'Sendable' type 'NanoID.Alphabet' may have shared mutable state; this is an error in the Swift 6 language mode
 49 |
 50 | extension NanoID {
 51 |     public struct Alphabet {
    |                   `- note: consider making struct 'Alphabet' conform to the 'Sendable' protocol
 52 |         let characters: [Character]
 53 |
    :
 79 |         public static let lowercaseLetters = Self(lowercaseLettersString)
 80 |         public static let uppercaseLetters = Self(uppercaseLettersString)
 81 |         public static let letters = Self(lowercaseLettersString, uppercaseLettersString)
    |                           |- warning: static property 'letters' is not concurrency-safe because non-'Sendable' type 'NanoID.Alphabet' may have shared mutable state; this is an error in the Swift 6 language mode
    |                           |- note: add '@MainActor' to make static property 'letters' part of global actor 'MainActor'
    |                           `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 82 |         public static let `default` = Self(lowercaseLettersString, uppercaseLettersString, "_-")
 83 |
/host/spi-builder-workspace/Sources/ReerKit/Utility/NanoID.swift:82:27: warning: static property 'default' is not concurrency-safe because non-'Sendable' type 'NanoID.Alphabet' may have shared mutable state; this is an error in the Swift 6 language mode
 49 |
 50 | extension NanoID {
 51 |     public struct Alphabet {
    |                   `- note: consider making struct 'Alphabet' conform to the 'Sendable' protocol
 52 |         let characters: [Character]
 53 |
    :
 80 |         public static let uppercaseLetters = Self(uppercaseLettersString)
 81 |         public static let letters = Self(lowercaseLettersString, uppercaseLettersString)
 82 |         public static let `default` = Self(lowercaseLettersString, uppercaseLettersString, "_-")
    |                           |- warning: static property 'default' is not concurrency-safe because non-'Sendable' type 'NanoID.Alphabet' may have shared mutable state; this is an error in the Swift 6 language mode
    |                           |- note: add '@MainActor' to make static property 'default' part of global actor 'MainActor'
    |                           `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 83 |
 84 |         private static let numbersString = "0123456789"
/host/spi-builder-workspace/Sources/ReerKit/Utility/Once.swift:38:17: warning: var 'tokens' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
36 | }
37 |
38 | fileprivate var tokens = Set<OnceToken>()
   |                 |- warning: var 'tokens' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
   |                 |- note: convert 'tokens' to a 'let' constant to make 'Sendable' shared state immutable
   |                 |- note: add '@MainActor' to make var 'tokens' part of global actor 'MainActor'
   |                 `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
39 |
40 | #if os(Linux)
/host/spi-builder-workspace/Sources/ReerKit/Utility/Once.swift:41:17: warning: let 'lock' is not concurrency-safe because non-'Sendable' type 'MutexLock' may have shared mutable state; this is an error in the Swift 6 language mode
39 |
40 | #if os(Linux)
41 | fileprivate let lock = MutexLock()
   |                 |- warning: let 'lock' is not concurrency-safe because non-'Sendable' type 'MutexLock' may have shared mutable state; this is an error in the Swift 6 language mode
   |                 |- note: add '@MainActor' to make let 'lock' part of global actor 'MainActor'
   |                 `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
42 | #else
43 | fileprivate let lock = UnfairLock()
/host/spi-builder-workspace/Sources/ReerKit/Utility/Lock/MutexLock.swift:29:20: note: class 'MutexLock' does not conform to the 'Sendable' protocol
27 |
28 | /// ReerKit: A wrapper class for pthread mutex, providing a simple interface for thread synchronization.
29 | public final class MutexLock {
   |                    `- note: class 'MutexLock' does not conform to the 'Sendable' protocol
30 |     private var mutex = pthread_mutex_t()
31 |
[88/144] Compiling ReerKit MulticastDelegate.swift
/host/spi-builder-workspace/Sources/ReerKit/Utility/NanoID.swift:46:23: warning: static property 'defaultRandomizer' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
 44 |     public static var defaultRandomizer: Randomizer = SecureRandomizer()
 45 |     #else
 46 |     public static var defaultRandomizer: Randomizer = IntRandomizer()
    |                       |- warning: static property 'defaultRandomizer' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: convert 'defaultRandomizer' to a 'let' constant to make 'Sendable' shared state immutable
    |                       |- note: add '@MainActor' to make static property 'defaultRandomizer' part of global actor 'MainActor'
    |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 47 |     #endif
 48 | }
/host/spi-builder-workspace/Sources/ReerKit/Utility/NanoID.swift:78:27: warning: static property 'numbers' is not concurrency-safe because non-'Sendable' type 'NanoID.Alphabet' may have shared mutable state; this is an error in the Swift 6 language mode
 49 |
 50 | extension NanoID {
 51 |     public struct Alphabet {
    |                   `- note: consider making struct 'Alphabet' conform to the 'Sendable' protocol
 52 |         let characters: [Character]
 53 |
    :
 76 |         }
 77 |
 78 |         public static let numbers = Self(numbersString)
    |                           |- warning: static property 'numbers' is not concurrency-safe because non-'Sendable' type 'NanoID.Alphabet' may have shared mutable state; this is an error in the Swift 6 language mode
    |                           |- note: add '@MainActor' to make static property 'numbers' part of global actor 'MainActor'
    |                           `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 79 |         public static let lowercaseLetters = Self(lowercaseLettersString)
 80 |         public static let uppercaseLetters = Self(uppercaseLettersString)
/host/spi-builder-workspace/Sources/ReerKit/Utility/NanoID.swift:79:27: warning: static property 'lowercaseLetters' is not concurrency-safe because non-'Sendable' type 'NanoID.Alphabet' may have shared mutable state; this is an error in the Swift 6 language mode
 49 |
 50 | extension NanoID {
 51 |     public struct Alphabet {
    |                   `- note: consider making struct 'Alphabet' conform to the 'Sendable' protocol
 52 |         let characters: [Character]
 53 |
    :
 77 |
 78 |         public static let numbers = Self(numbersString)
 79 |         public static let lowercaseLetters = Self(lowercaseLettersString)
    |                           |- warning: static property 'lowercaseLetters' is not concurrency-safe because non-'Sendable' type 'NanoID.Alphabet' may have shared mutable state; this is an error in the Swift 6 language mode
    |                           |- note: add '@MainActor' to make static property 'lowercaseLetters' part of global actor 'MainActor'
    |                           `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 80 |         public static let uppercaseLetters = Self(uppercaseLettersString)
 81 |         public static let letters = Self(lowercaseLettersString, uppercaseLettersString)
/host/spi-builder-workspace/Sources/ReerKit/Utility/NanoID.swift:80:27: warning: static property 'uppercaseLetters' is not concurrency-safe because non-'Sendable' type 'NanoID.Alphabet' may have shared mutable state; this is an error in the Swift 6 language mode
 49 |
 50 | extension NanoID {
 51 |     public struct Alphabet {
    |                   `- note: consider making struct 'Alphabet' conform to the 'Sendable' protocol
 52 |         let characters: [Character]
 53 |
    :
 78 |         public static let numbers = Self(numbersString)
 79 |         public static let lowercaseLetters = Self(lowercaseLettersString)
 80 |         public static let uppercaseLetters = Self(uppercaseLettersString)
    |                           |- warning: static property 'uppercaseLetters' is not concurrency-safe because non-'Sendable' type 'NanoID.Alphabet' may have shared mutable state; this is an error in the Swift 6 language mode
    |                           |- note: add '@MainActor' to make static property 'uppercaseLetters' part of global actor 'MainActor'
    |                           `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 81 |         public static let letters = Self(lowercaseLettersString, uppercaseLettersString)
 82 |         public static let `default` = Self(lowercaseLettersString, uppercaseLettersString, "_-")
/host/spi-builder-workspace/Sources/ReerKit/Utility/NanoID.swift:81:27: warning: static property 'letters' is not concurrency-safe because non-'Sendable' type 'NanoID.Alphabet' may have shared mutable state; this is an error in the Swift 6 language mode
 49 |
 50 | extension NanoID {
 51 |     public struct Alphabet {
    |                   `- note: consider making struct 'Alphabet' conform to the 'Sendable' protocol
 52 |         let characters: [Character]
 53 |
    :
 79 |         public static let lowercaseLetters = Self(lowercaseLettersString)
 80 |         public static let uppercaseLetters = Self(uppercaseLettersString)
 81 |         public static let letters = Self(lowercaseLettersString, uppercaseLettersString)
    |                           |- warning: static property 'letters' is not concurrency-safe because non-'Sendable' type 'NanoID.Alphabet' may have shared mutable state; this is an error in the Swift 6 language mode
    |                           |- note: add '@MainActor' to make static property 'letters' part of global actor 'MainActor'
    |                           `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 82 |         public static let `default` = Self(lowercaseLettersString, uppercaseLettersString, "_-")
 83 |
/host/spi-builder-workspace/Sources/ReerKit/Utility/NanoID.swift:82:27: warning: static property 'default' is not concurrency-safe because non-'Sendable' type 'NanoID.Alphabet' may have shared mutable state; this is an error in the Swift 6 language mode
 49 |
 50 | extension NanoID {
 51 |     public struct Alphabet {
    |                   `- note: consider making struct 'Alphabet' conform to the 'Sendable' protocol
 52 |         let characters: [Character]
 53 |
    :
 80 |         public static let uppercaseLetters = Self(uppercaseLettersString)
 81 |         public static let letters = Self(lowercaseLettersString, uppercaseLettersString)
 82 |         public static let `default` = Self(lowercaseLettersString, uppercaseLettersString, "_-")
    |                           |- warning: static property 'default' is not concurrency-safe because non-'Sendable' type 'NanoID.Alphabet' may have shared mutable state; this is an error in the Swift 6 language mode
    |                           |- note: add '@MainActor' to make static property 'default' part of global actor 'MainActor'
    |                           `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 83 |
 84 |         private static let numbersString = "0123456789"
/host/spi-builder-workspace/Sources/ReerKit/Utility/Once.swift:38:17: warning: var 'tokens' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
36 | }
37 |
38 | fileprivate var tokens = Set<OnceToken>()
   |                 |- warning: var 'tokens' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
   |                 |- note: convert 'tokens' to a 'let' constant to make 'Sendable' shared state immutable
   |                 |- note: add '@MainActor' to make var 'tokens' part of global actor 'MainActor'
   |                 `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
39 |
40 | #if os(Linux)
/host/spi-builder-workspace/Sources/ReerKit/Utility/Once.swift:41:17: warning: let 'lock' is not concurrency-safe because non-'Sendable' type 'MutexLock' may have shared mutable state; this is an error in the Swift 6 language mode
39 |
40 | #if os(Linux)
41 | fileprivate let lock = MutexLock()
   |                 |- warning: let 'lock' is not concurrency-safe because non-'Sendable' type 'MutexLock' may have shared mutable state; this is an error in the Swift 6 language mode
   |                 |- note: add '@MainActor' to make let 'lock' part of global actor 'MainActor'
   |                 `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
42 | #else
43 | fileprivate let lock = UnfairLock()
/host/spi-builder-workspace/Sources/ReerKit/Utility/Lock/MutexLock.swift:29:20: note: class 'MutexLock' does not conform to the 'Sendable' protocol
27 |
28 | /// ReerKit: A wrapper class for pthread mutex, providing a simple interface for thread synchronization.
29 | public final class MutexLock {
   |                    `- note: class 'MutexLock' does not conform to the 'Sendable' protocol
30 |     private var mutex = pthread_mutex_t()
31 |
[89/144] Compiling ReerKit NanoID.swift
/host/spi-builder-workspace/Sources/ReerKit/Utility/NanoID.swift:46:23: warning: static property 'defaultRandomizer' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
 44 |     public static var defaultRandomizer: Randomizer = SecureRandomizer()
 45 |     #else
 46 |     public static var defaultRandomizer: Randomizer = IntRandomizer()
    |                       |- warning: static property 'defaultRandomizer' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: convert 'defaultRandomizer' to a 'let' constant to make 'Sendable' shared state immutable
    |                       |- note: add '@MainActor' to make static property 'defaultRandomizer' part of global actor 'MainActor'
    |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 47 |     #endif
 48 | }
/host/spi-builder-workspace/Sources/ReerKit/Utility/NanoID.swift:78:27: warning: static property 'numbers' is not concurrency-safe because non-'Sendable' type 'NanoID.Alphabet' may have shared mutable state; this is an error in the Swift 6 language mode
 49 |
 50 | extension NanoID {
 51 |     public struct Alphabet {
    |                   `- note: consider making struct 'Alphabet' conform to the 'Sendable' protocol
 52 |         let characters: [Character]
 53 |
    :
 76 |         }
 77 |
 78 |         public static let numbers = Self(numbersString)
    |                           |- warning: static property 'numbers' is not concurrency-safe because non-'Sendable' type 'NanoID.Alphabet' may have shared mutable state; this is an error in the Swift 6 language mode
    |                           |- note: add '@MainActor' to make static property 'numbers' part of global actor 'MainActor'
    |                           `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 79 |         public static let lowercaseLetters = Self(lowercaseLettersString)
 80 |         public static let uppercaseLetters = Self(uppercaseLettersString)
/host/spi-builder-workspace/Sources/ReerKit/Utility/NanoID.swift:79:27: warning: static property 'lowercaseLetters' is not concurrency-safe because non-'Sendable' type 'NanoID.Alphabet' may have shared mutable state; this is an error in the Swift 6 language mode
 49 |
 50 | extension NanoID {
 51 |     public struct Alphabet {
    |                   `- note: consider making struct 'Alphabet' conform to the 'Sendable' protocol
 52 |         let characters: [Character]
 53 |
    :
 77 |
 78 |         public static let numbers = Self(numbersString)
 79 |         public static let lowercaseLetters = Self(lowercaseLettersString)
    |                           |- warning: static property 'lowercaseLetters' is not concurrency-safe because non-'Sendable' type 'NanoID.Alphabet' may have shared mutable state; this is an error in the Swift 6 language mode
    |                           |- note: add '@MainActor' to make static property 'lowercaseLetters' part of global actor 'MainActor'
    |                           `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 80 |         public static let uppercaseLetters = Self(uppercaseLettersString)
 81 |         public static let letters = Self(lowercaseLettersString, uppercaseLettersString)
/host/spi-builder-workspace/Sources/ReerKit/Utility/NanoID.swift:80:27: warning: static property 'uppercaseLetters' is not concurrency-safe because non-'Sendable' type 'NanoID.Alphabet' may have shared mutable state; this is an error in the Swift 6 language mode
 49 |
 50 | extension NanoID {
 51 |     public struct Alphabet {
    |                   `- note: consider making struct 'Alphabet' conform to the 'Sendable' protocol
 52 |         let characters: [Character]
 53 |
    :
 78 |         public static let numbers = Self(numbersString)
 79 |         public static let lowercaseLetters = Self(lowercaseLettersString)
 80 |         public static let uppercaseLetters = Self(uppercaseLettersString)
    |                           |- warning: static property 'uppercaseLetters' is not concurrency-safe because non-'Sendable' type 'NanoID.Alphabet' may have shared mutable state; this is an error in the Swift 6 language mode
    |                           |- note: add '@MainActor' to make static property 'uppercaseLetters' part of global actor 'MainActor'
    |                           `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 81 |         public static let letters = Self(lowercaseLettersString, uppercaseLettersString)
 82 |         public static let `default` = Self(lowercaseLettersString, uppercaseLettersString, "_-")
/host/spi-builder-workspace/Sources/ReerKit/Utility/NanoID.swift:81:27: warning: static property 'letters' is not concurrency-safe because non-'Sendable' type 'NanoID.Alphabet' may have shared mutable state; this is an error in the Swift 6 language mode
 49 |
 50 | extension NanoID {
 51 |     public struct Alphabet {
    |                   `- note: consider making struct 'Alphabet' conform to the 'Sendable' protocol
 52 |         let characters: [Character]
 53 |
    :
 79 |         public static let lowercaseLetters = Self(lowercaseLettersString)
 80 |         public static let uppercaseLetters = Self(uppercaseLettersString)
 81 |         public static let letters = Self(lowercaseLettersString, uppercaseLettersString)
    |                           |- warning: static property 'letters' is not concurrency-safe because non-'Sendable' type 'NanoID.Alphabet' may have shared mutable state; this is an error in the Swift 6 language mode
    |                           |- note: add '@MainActor' to make static property 'letters' part of global actor 'MainActor'
    |                           `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 82 |         public static let `default` = Self(lowercaseLettersString, uppercaseLettersString, "_-")
 83 |
/host/spi-builder-workspace/Sources/ReerKit/Utility/NanoID.swift:82:27: warning: static property 'default' is not concurrency-safe because non-'Sendable' type 'NanoID.Alphabet' may have shared mutable state; this is an error in the Swift 6 language mode
 49 |
 50 | extension NanoID {
 51 |     public struct Alphabet {
    |                   `- note: consider making struct 'Alphabet' conform to the 'Sendable' protocol
 52 |         let characters: [Character]
 53 |
    :
 80 |         public static let uppercaseLetters = Self(uppercaseLettersString)
 81 |         public static let letters = Self(lowercaseLettersString, uppercaseLettersString)
 82 |         public static let `default` = Self(lowercaseLettersString, uppercaseLettersString, "_-")
    |                           |- warning: static property 'default' is not concurrency-safe because non-'Sendable' type 'NanoID.Alphabet' may have shared mutable state; this is an error in the Swift 6 language mode
    |                           |- note: add '@MainActor' to make static property 'default' part of global actor 'MainActor'
    |                           `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 83 |
 84 |         private static let numbersString = "0123456789"
/host/spi-builder-workspace/Sources/ReerKit/Utility/Once.swift:38:17: warning: var 'tokens' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
36 | }
37 |
38 | fileprivate var tokens = Set<OnceToken>()
   |                 |- warning: var 'tokens' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
   |                 |- note: convert 'tokens' to a 'let' constant to make 'Sendable' shared state immutable
   |                 |- note: add '@MainActor' to make var 'tokens' part of global actor 'MainActor'
   |                 `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
39 |
40 | #if os(Linux)
/host/spi-builder-workspace/Sources/ReerKit/Utility/Once.swift:41:17: warning: let 'lock' is not concurrency-safe because non-'Sendable' type 'MutexLock' may have shared mutable state; this is an error in the Swift 6 language mode
39 |
40 | #if os(Linux)
41 | fileprivate let lock = MutexLock()
   |                 |- warning: let 'lock' is not concurrency-safe because non-'Sendable' type 'MutexLock' may have shared mutable state; this is an error in the Swift 6 language mode
   |                 |- note: add '@MainActor' to make let 'lock' part of global actor 'MainActor'
   |                 `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
42 | #else
43 | fileprivate let lock = UnfairLock()
/host/spi-builder-workspace/Sources/ReerKit/Utility/Lock/MutexLock.swift:29:20: note: class 'MutexLock' does not conform to the 'Sendable' protocol
27 |
28 | /// ReerKit: A wrapper class for pthread mutex, providing a simple interface for thread synchronization.
29 | public final class MutexLock {
   |                    `- note: class 'MutexLock' does not conform to the 'Sendable' protocol
30 |     private var mutex = pthread_mutex_t()
31 |
[90/144] Compiling ReerKit Once.swift
/host/spi-builder-workspace/Sources/ReerKit/Utility/NanoID.swift:46:23: warning: static property 'defaultRandomizer' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
 44 |     public static var defaultRandomizer: Randomizer = SecureRandomizer()
 45 |     #else
 46 |     public static var defaultRandomizer: Randomizer = IntRandomizer()
    |                       |- warning: static property 'defaultRandomizer' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: convert 'defaultRandomizer' to a 'let' constant to make 'Sendable' shared state immutable
    |                       |- note: add '@MainActor' to make static property 'defaultRandomizer' part of global actor 'MainActor'
    |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 47 |     #endif
 48 | }
/host/spi-builder-workspace/Sources/ReerKit/Utility/NanoID.swift:78:27: warning: static property 'numbers' is not concurrency-safe because non-'Sendable' type 'NanoID.Alphabet' may have shared mutable state; this is an error in the Swift 6 language mode
 49 |
 50 | extension NanoID {
 51 |     public struct Alphabet {
    |                   `- note: consider making struct 'Alphabet' conform to the 'Sendable' protocol
 52 |         let characters: [Character]
 53 |
    :
 76 |         }
 77 |
 78 |         public static let numbers = Self(numbersString)
    |                           |- warning: static property 'numbers' is not concurrency-safe because non-'Sendable' type 'NanoID.Alphabet' may have shared mutable state; this is an error in the Swift 6 language mode
    |                           |- note: add '@MainActor' to make static property 'numbers' part of global actor 'MainActor'
    |                           `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 79 |         public static let lowercaseLetters = Self(lowercaseLettersString)
 80 |         public static let uppercaseLetters = Self(uppercaseLettersString)
/host/spi-builder-workspace/Sources/ReerKit/Utility/NanoID.swift:79:27: warning: static property 'lowercaseLetters' is not concurrency-safe because non-'Sendable' type 'NanoID.Alphabet' may have shared mutable state; this is an error in the Swift 6 language mode
 49 |
 50 | extension NanoID {
 51 |     public struct Alphabet {
    |                   `- note: consider making struct 'Alphabet' conform to the 'Sendable' protocol
 52 |         let characters: [Character]
 53 |
    :
 77 |
 78 |         public static let numbers = Self(numbersString)
 79 |         public static let lowercaseLetters = Self(lowercaseLettersString)
    |                           |- warning: static property 'lowercaseLetters' is not concurrency-safe because non-'Sendable' type 'NanoID.Alphabet' may have shared mutable state; this is an error in the Swift 6 language mode
    |                           |- note: add '@MainActor' to make static property 'lowercaseLetters' part of global actor 'MainActor'
    |                           `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 80 |         public static let uppercaseLetters = Self(uppercaseLettersString)
 81 |         public static let letters = Self(lowercaseLettersString, uppercaseLettersString)
/host/spi-builder-workspace/Sources/ReerKit/Utility/NanoID.swift:80:27: warning: static property 'uppercaseLetters' is not concurrency-safe because non-'Sendable' type 'NanoID.Alphabet' may have shared mutable state; this is an error in the Swift 6 language mode
 49 |
 50 | extension NanoID {
 51 |     public struct Alphabet {
    |                   `- note: consider making struct 'Alphabet' conform to the 'Sendable' protocol
 52 |         let characters: [Character]
 53 |
    :
 78 |         public static let numbers = Self(numbersString)
 79 |         public static let lowercaseLetters = Self(lowercaseLettersString)
 80 |         public static let uppercaseLetters = Self(uppercaseLettersString)
    |                           |- warning: static property 'uppercaseLetters' is not concurrency-safe because non-'Sendable' type 'NanoID.Alphabet' may have shared mutable state; this is an error in the Swift 6 language mode
    |                           |- note: add '@MainActor' to make static property 'uppercaseLetters' part of global actor 'MainActor'
    |                           `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 81 |         public static let letters = Self(lowercaseLettersString, uppercaseLettersString)
 82 |         public static let `default` = Self(lowercaseLettersString, uppercaseLettersString, "_-")
/host/spi-builder-workspace/Sources/ReerKit/Utility/NanoID.swift:81:27: warning: static property 'letters' is not concurrency-safe because non-'Sendable' type 'NanoID.Alphabet' may have shared mutable state; this is an error in the Swift 6 language mode
 49 |
 50 | extension NanoID {
 51 |     public struct Alphabet {
    |                   `- note: consider making struct 'Alphabet' conform to the 'Sendable' protocol
 52 |         let characters: [Character]
 53 |
    :
 79 |         public static let lowercaseLetters = Self(lowercaseLettersString)
 80 |         public static let uppercaseLetters = Self(uppercaseLettersString)
 81 |         public static let letters = Self(lowercaseLettersString, uppercaseLettersString)
    |                           |- warning: static property 'letters' is not concurrency-safe because non-'Sendable' type 'NanoID.Alphabet' may have shared mutable state; this is an error in the Swift 6 language mode
    |                           |- note: add '@MainActor' to make static property 'letters' part of global actor 'MainActor'
    |                           `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 82 |         public static let `default` = Self(lowercaseLettersString, uppercaseLettersString, "_-")
 83 |
/host/spi-builder-workspace/Sources/ReerKit/Utility/NanoID.swift:82:27: warning: static property 'default' is not concurrency-safe because non-'Sendable' type 'NanoID.Alphabet' may have shared mutable state; this is an error in the Swift 6 language mode
 49 |
 50 | extension NanoID {
 51 |     public struct Alphabet {
    |                   `- note: consider making struct 'Alphabet' conform to the 'Sendable' protocol
 52 |         let characters: [Character]
 53 |
    :
 80 |         public static let uppercaseLetters = Self(uppercaseLettersString)
 81 |         public static let letters = Self(lowercaseLettersString, uppercaseLettersString)
 82 |         public static let `default` = Self(lowercaseLettersString, uppercaseLettersString, "_-")
    |                           |- warning: static property 'default' is not concurrency-safe because non-'Sendable' type 'NanoID.Alphabet' may have shared mutable state; this is an error in the Swift 6 language mode
    |                           |- note: add '@MainActor' to make static property 'default' part of global actor 'MainActor'
    |                           `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 83 |
 84 |         private static let numbersString = "0123456789"
/host/spi-builder-workspace/Sources/ReerKit/Utility/Once.swift:38:17: warning: var 'tokens' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
36 | }
37 |
38 | fileprivate var tokens = Set<OnceToken>()
   |                 |- warning: var 'tokens' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
   |                 |- note: convert 'tokens' to a 'let' constant to make 'Sendable' shared state immutable
   |                 |- note: add '@MainActor' to make var 'tokens' part of global actor 'MainActor'
   |                 `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
39 |
40 | #if os(Linux)
/host/spi-builder-workspace/Sources/ReerKit/Utility/Once.swift:41:17: warning: let 'lock' is not concurrency-safe because non-'Sendable' type 'MutexLock' may have shared mutable state; this is an error in the Swift 6 language mode
39 |
40 | #if os(Linux)
41 | fileprivate let lock = MutexLock()
   |                 |- warning: let 'lock' is not concurrency-safe because non-'Sendable' type 'MutexLock' may have shared mutable state; this is an error in the Swift 6 language mode
   |                 |- note: add '@MainActor' to make let 'lock' part of global actor 'MainActor'
   |                 `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
42 | #else
43 | fileprivate let lock = UnfairLock()
/host/spi-builder-workspace/Sources/ReerKit/Utility/Lock/MutexLock.swift:29:20: note: class 'MutexLock' does not conform to the 'Sendable' protocol
27 |
28 | /// ReerKit: A wrapper class for pthread mutex, providing a simple interface for thread synchronization.
29 | public final class MutexLock {
   |                    `- note: class 'MutexLock' does not conform to the 'Sendable' protocol
30 |     private var mutex = pthread_mutex_t()
31 |
[91/144] Compiling ReerKit Associatable.swift
/host/spi-builder-workspace/Sources/ReerKit/StandardLibrary/Collection+REExtensions.swift:50:13: warning: capture of 'each' with non-sendable type '(Base.Element) -> Void' in a '@Sendable' closure; this is an error in the Swift 6 language mode
 48 |     func forEachInParallel(_ each: (Base.Element) -> Void) {
 49 |         DispatchQueue.concurrentPerform(iterations: base.count) {
 50 |             each(base[base.index(base.startIndex, offsetBy: $0)])
    |             |- warning: capture of 'each' with non-sendable type '(Base.Element) -> Void' in a '@Sendable' closure; this is an error in the Swift 6 language mode
    |             `- note: a function type must be marked '@Sendable' to conform to 'Sendable'
 51 |         }
 52 |     }
/host/spi-builder-workspace/Sources/ReerKit/StandardLibrary/Collection+REExtensions.swift:50:18: warning: capture of 'self' with non-sendable type 'Reer<Base>' in a '@Sendable' closure; this is an error in the Swift 6 language mode
 48 |     func forEachInParallel(_ each: (Base.Element) -> Void) {
 49 |         DispatchQueue.concurrentPerform(iterations: base.count) {
 50 |             each(base[base.index(base.startIndex, offsetBy: $0)])
    |                  `- warning: capture of 'self' with non-sendable type 'Reer<Base>' in a '@Sendable' closure; this is an error in the Swift 6 language mode
 51 |         }
 52 |     }
/host/spi-builder-workspace/Sources/ReerKit/General/ReerKit.swift:24:15: note: consider making generic struct 'Reer' conform to the 'Sendable' protocol
 22 | /// Wrapper for ReerKit compatible types. This type provides an extension point for
 23 | /// convenience methods in ReerKit.
 24 | public struct Reer<Base> {
    |               `- note: consider making generic struct 'Reer' conform to the 'Sendable' protocol
 25 |     public let base: Base
 26 |     public init(_ base: Base) {
[92/144] Compiling ReerKit DeinitObservable.swift
/host/spi-builder-workspace/Sources/ReerKit/StandardLibrary/Collection+REExtensions.swift:50:13: warning: capture of 'each' with non-sendable type '(Base.Element) -> Void' in a '@Sendable' closure; this is an error in the Swift 6 language mode
 48 |     func forEachInParallel(_ each: (Base.Element) -> Void) {
 49 |         DispatchQueue.concurrentPerform(iterations: base.count) {
 50 |             each(base[base.index(base.startIndex, offsetBy: $0)])
    |             |- warning: capture of 'each' with non-sendable type '(Base.Element) -> Void' in a '@Sendable' closure; this is an error in the Swift 6 language mode
    |             `- note: a function type must be marked '@Sendable' to conform to 'Sendable'
 51 |         }
 52 |     }
/host/spi-builder-workspace/Sources/ReerKit/StandardLibrary/Collection+REExtensions.swift:50:18: warning: capture of 'self' with non-sendable type 'Reer<Base>' in a '@Sendable' closure; this is an error in the Swift 6 language mode
 48 |     func forEachInParallel(_ each: (Base.Element) -> Void) {
 49 |         DispatchQueue.concurrentPerform(iterations: base.count) {
 50 |             each(base[base.index(base.startIndex, offsetBy: $0)])
    |                  `- warning: capture of 'self' with non-sendable type 'Reer<Base>' in a '@Sendable' closure; this is an error in the Swift 6 language mode
 51 |         }
 52 |     }
/host/spi-builder-workspace/Sources/ReerKit/General/ReerKit.swift:24:15: note: consider making generic struct 'Reer' conform to the 'Sendable' protocol
 22 | /// Wrapper for ReerKit compatible types. This type provides an extension point for
 23 | /// convenience methods in ReerKit.
 24 | public struct Reer<Base> {
    |               `- note: consider making generic struct 'Reer' conform to the 'Sendable' protocol
 25 |     public let base: Base
 26 |     public init(_ base: Base) {
[93/144] Compiling ReerKit OnceExecutable.swift
/host/spi-builder-workspace/Sources/ReerKit/StandardLibrary/Collection+REExtensions.swift:50:13: warning: capture of 'each' with non-sendable type '(Base.Element) -> Void' in a '@Sendable' closure; this is an error in the Swift 6 language mode
 48 |     func forEachInParallel(_ each: (Base.Element) -> Void) {
 49 |         DispatchQueue.concurrentPerform(iterations: base.count) {
 50 |             each(base[base.index(base.startIndex, offsetBy: $0)])
    |             |- warning: capture of 'each' with non-sendable type '(Base.Element) -> Void' in a '@Sendable' closure; this is an error in the Swift 6 language mode
    |             `- note: a function type must be marked '@Sendable' to conform to 'Sendable'
 51 |         }
 52 |     }
/host/spi-builder-workspace/Sources/ReerKit/StandardLibrary/Collection+REExtensions.swift:50:18: warning: capture of 'self' with non-sendable type 'Reer<Base>' in a '@Sendable' closure; this is an error in the Swift 6 language mode
 48 |     func forEachInParallel(_ each: (Base.Element) -> Void) {
 49 |         DispatchQueue.concurrentPerform(iterations: base.count) {
 50 |             each(base[base.index(base.startIndex, offsetBy: $0)])
    |                  `- warning: capture of 'self' with non-sendable type 'Reer<Base>' in a '@Sendable' closure; this is an error in the Swift 6 language mode
 51 |         }
 52 |     }
/host/spi-builder-workspace/Sources/ReerKit/General/ReerKit.swift:24:15: note: consider making generic struct 'Reer' conform to the 'Sendable' protocol
 22 | /// Wrapper for ReerKit compatible types. This type provides an extension point for
 23 | /// convenience methods in ReerKit.
 24 | public struct Reer<Base> {
    |               `- note: consider making generic struct 'Reer' conform to the 'Sendable' protocol
 25 |     public let base: Base
 26 |     public init(_ base: Base) {
[94/144] Compiling ReerKit Swizzlable.swift
/host/spi-builder-workspace/Sources/ReerKit/StandardLibrary/Collection+REExtensions.swift:50:13: warning: capture of 'each' with non-sendable type '(Base.Element) -> Void' in a '@Sendable' closure; this is an error in the Swift 6 language mode
 48 |     func forEachInParallel(_ each: (Base.Element) -> Void) {
 49 |         DispatchQueue.concurrentPerform(iterations: base.count) {
 50 |             each(base[base.index(base.startIndex, offsetBy: $0)])
    |             |- warning: capture of 'each' with non-sendable type '(Base.Element) -> Void' in a '@Sendable' closure; this is an error in the Swift 6 language mode
    |             `- note: a function type must be marked '@Sendable' to conform to 'Sendable'
 51 |         }
 52 |     }
/host/spi-builder-workspace/Sources/ReerKit/StandardLibrary/Collection+REExtensions.swift:50:18: warning: capture of 'self' with non-sendable type 'Reer<Base>' in a '@Sendable' closure; this is an error in the Swift 6 language mode
 48 |     func forEachInParallel(_ each: (Base.Element) -> Void) {
 49 |         DispatchQueue.concurrentPerform(iterations: base.count) {
 50 |             each(base[base.index(base.startIndex, offsetBy: $0)])
    |                  `- warning: capture of 'self' with non-sendable type 'Reer<Base>' in a '@Sendable' closure; this is an error in the Swift 6 language mode
 51 |         }
 52 |     }
/host/spi-builder-workspace/Sources/ReerKit/General/ReerKit.swift:24:15: note: consider making generic struct 'Reer' conform to the 'Sendable' protocol
 22 | /// Wrapper for ReerKit compatible types. This type provides an extension point for
 23 | /// convenience methods in ReerKit.
 24 | public struct Reer<Base> {
    |               `- note: consider making generic struct 'Reer' conform to the 'Sendable' protocol
 25 |     public let base: Base
 26 |     public init(_ base: Base) {
[95/144] Compiling ReerKit Array+REExtensions.swift
/host/spi-builder-workspace/Sources/ReerKit/StandardLibrary/Collection+REExtensions.swift:50:13: warning: capture of 'each' with non-sendable type '(Base.Element) -> Void' in a '@Sendable' closure; this is an error in the Swift 6 language mode
 48 |     func forEachInParallel(_ each: (Base.Element) -> Void) {
 49 |         DispatchQueue.concurrentPerform(iterations: base.count) {
 50 |             each(base[base.index(base.startIndex, offsetBy: $0)])
    |             |- warning: capture of 'each' with non-sendable type '(Base.Element) -> Void' in a '@Sendable' closure; this is an error in the Swift 6 language mode
    |             `- note: a function type must be marked '@Sendable' to conform to 'Sendable'
 51 |         }
 52 |     }
/host/spi-builder-workspace/Sources/ReerKit/StandardLibrary/Collection+REExtensions.swift:50:18: warning: capture of 'self' with non-sendable type 'Reer<Base>' in a '@Sendable' closure; this is an error in the Swift 6 language mode
 48 |     func forEachInParallel(_ each: (Base.Element) -> Void) {
 49 |         DispatchQueue.concurrentPerform(iterations: base.count) {
 50 |             each(base[base.index(base.startIndex, offsetBy: $0)])
    |                  `- warning: capture of 'self' with non-sendable type 'Reer<Base>' in a '@Sendable' closure; this is an error in the Swift 6 language mode
 51 |         }
 52 |     }
/host/spi-builder-workspace/Sources/ReerKit/General/ReerKit.swift:24:15: note: consider making generic struct 'Reer' conform to the 'Sendable' protocol
 22 | /// Wrapper for ReerKit compatible types. This type provides an extension point for
 23 | /// convenience methods in ReerKit.
 24 | public struct Reer<Base> {
    |               `- note: consider making generic struct 'Reer' conform to the 'Sendable' protocol
 25 |     public let base: Base
 26 |     public init(_ base: Base) {
[96/144] Compiling ReerKit BinaryFloatingPoint+REExtensions.swift
/host/spi-builder-workspace/Sources/ReerKit/StandardLibrary/Collection+REExtensions.swift:50:13: warning: capture of 'each' with non-sendable type '(Base.Element) -> Void' in a '@Sendable' closure; this is an error in the Swift 6 language mode
 48 |     func forEachInParallel(_ each: (Base.Element) -> Void) {
 49 |         DispatchQueue.concurrentPerform(iterations: base.count) {
 50 |             each(base[base.index(base.startIndex, offsetBy: $0)])
    |             |- warning: capture of 'each' with non-sendable type '(Base.Element) -> Void' in a '@Sendable' closure; this is an error in the Swift 6 language mode
    |             `- note: a function type must be marked '@Sendable' to conform to 'Sendable'
 51 |         }
 52 |     }
/host/spi-builder-workspace/Sources/ReerKit/StandardLibrary/Collection+REExtensions.swift:50:18: warning: capture of 'self' with non-sendable type 'Reer<Base>' in a '@Sendable' closure; this is an error in the Swift 6 language mode
 48 |     func forEachInParallel(_ each: (Base.Element) -> Void) {
 49 |         DispatchQueue.concurrentPerform(iterations: base.count) {
 50 |             each(base[base.index(base.startIndex, offsetBy: $0)])
    |                  `- warning: capture of 'self' with non-sendable type 'Reer<Base>' in a '@Sendable' closure; this is an error in the Swift 6 language mode
 51 |         }
 52 |     }
/host/spi-builder-workspace/Sources/ReerKit/General/ReerKit.swift:24:15: note: consider making generic struct 'Reer' conform to the 'Sendable' protocol
 22 | /// Wrapper for ReerKit compatible types. This type provides an extension point for
 23 | /// convenience methods in ReerKit.
 24 | public struct Reer<Base> {
    |               `- note: consider making generic struct 'Reer' conform to the 'Sendable' protocol
 25 |     public let base: Base
 26 |     public init(_ base: Base) {
[97/144] Compiling ReerKit BinaryInteger+REExtensions.swift
/host/spi-builder-workspace/Sources/ReerKit/StandardLibrary/Collection+REExtensions.swift:50:13: warning: capture of 'each' with non-sendable type '(Base.Element) -> Void' in a '@Sendable' closure; this is an error in the Swift 6 language mode
 48 |     func forEachInParallel(_ each: (Base.Element) -> Void) {
 49 |         DispatchQueue.concurrentPerform(iterations: base.count) {
 50 |             each(base[base.index(base.startIndex, offsetBy: $0)])
    |             |- warning: capture of 'each' with non-sendable type '(Base.Element) -> Void' in a '@Sendable' closure; this is an error in the Swift 6 language mode
    |             `- note: a function type must be marked '@Sendable' to conform to 'Sendable'
 51 |         }
 52 |     }
/host/spi-builder-workspace/Sources/ReerKit/StandardLibrary/Collection+REExtensions.swift:50:18: warning: capture of 'self' with non-sendable type 'Reer<Base>' in a '@Sendable' closure; this is an error in the Swift 6 language mode
 48 |     func forEachInParallel(_ each: (Base.Element) -> Void) {
 49 |         DispatchQueue.concurrentPerform(iterations: base.count) {
 50 |             each(base[base.index(base.startIndex, offsetBy: $0)])
    |                  `- warning: capture of 'self' with non-sendable type 'Reer<Base>' in a '@Sendable' closure; this is an error in the Swift 6 language mode
 51 |         }
 52 |     }
/host/spi-builder-workspace/Sources/ReerKit/General/ReerKit.swift:24:15: note: consider making generic struct 'Reer' conform to the 'Sendable' protocol
 22 | /// Wrapper for ReerKit compatible types. This type provides an extension point for
 23 | /// convenience methods in ReerKit.
 24 | public struct Reer<Base> {
    |               `- note: consider making generic struct 'Reer' conform to the 'Sendable' protocol
 25 |     public let base: Base
 26 |     public init(_ base: Base) {
[98/144] Compiling ReerKit Bool+REExtensions.swift
/host/spi-builder-workspace/Sources/ReerKit/StandardLibrary/Collection+REExtensions.swift:50:13: warning: capture of 'each' with non-sendable type '(Base.Element) -> Void' in a '@Sendable' closure; this is an error in the Swift 6 language mode
 48 |     func forEachInParallel(_ each: (Base.Element) -> Void) {
 49 |         DispatchQueue.concurrentPerform(iterations: base.count) {
 50 |             each(base[base.index(base.startIndex, offsetBy: $0)])
    |             |- warning: capture of 'each' with non-sendable type '(Base.Element) -> Void' in a '@Sendable' closure; this is an error in the Swift 6 language mode
    |             `- note: a function type must be marked '@Sendable' to conform to 'Sendable'
 51 |         }
 52 |     }
/host/spi-builder-workspace/Sources/ReerKit/StandardLibrary/Collection+REExtensions.swift:50:18: warning: capture of 'self' with non-sendable type 'Reer<Base>' in a '@Sendable' closure; this is an error in the Swift 6 language mode
 48 |     func forEachInParallel(_ each: (Base.Element) -> Void) {
 49 |         DispatchQueue.concurrentPerform(iterations: base.count) {
 50 |             each(base[base.index(base.startIndex, offsetBy: $0)])
    |                  `- warning: capture of 'self' with non-sendable type 'Reer<Base>' in a '@Sendable' closure; this is an error in the Swift 6 language mode
 51 |         }
 52 |     }
/host/spi-builder-workspace/Sources/ReerKit/General/ReerKit.swift:24:15: note: consider making generic struct 'Reer' conform to the 'Sendable' protocol
 22 | /// Wrapper for ReerKit compatible types. This type provides an extension point for
 23 | /// convenience methods in ReerKit.
 24 | public struct Reer<Base> {
    |               `- note: consider making generic struct 'Reer' conform to the 'Sendable' protocol
 25 |     public let base: Base
 26 |     public init(_ base: Base) {
[99/144] Compiling ReerKit Character+REExtensions.swift
/host/spi-builder-workspace/Sources/ReerKit/StandardLibrary/Collection+REExtensions.swift:50:13: warning: capture of 'each' with non-sendable type '(Base.Element) -> Void' in a '@Sendable' closure; this is an error in the Swift 6 language mode
 48 |     func forEachInParallel(_ each: (Base.Element) -> Void) {
 49 |         DispatchQueue.concurrentPerform(iterations: base.count) {
 50 |             each(base[base.index(base.startIndex, offsetBy: $0)])
    |             |- warning: capture of 'each' with non-sendable type '(Base.Element) -> Void' in a '@Sendable' closure; this is an error in the Swift 6 language mode
    |             `- note: a function type must be marked '@Sendable' to conform to 'Sendable'
 51 |         }
 52 |     }
/host/spi-builder-workspace/Sources/ReerKit/StandardLibrary/Collection+REExtensions.swift:50:18: warning: capture of 'self' with non-sendable type 'Reer<Base>' in a '@Sendable' closure; this is an error in the Swift 6 language mode
 48 |     func forEachInParallel(_ each: (Base.Element) -> Void) {
 49 |         DispatchQueue.concurrentPerform(iterations: base.count) {
 50 |             each(base[base.index(base.startIndex, offsetBy: $0)])
    |                  `- warning: capture of 'self' with non-sendable type 'Reer<Base>' in a '@Sendable' closure; this is an error in the Swift 6 language mode
 51 |         }
 52 |     }
/host/spi-builder-workspace/Sources/ReerKit/General/ReerKit.swift:24:15: note: consider making generic struct 'Reer' conform to the 'Sendable' protocol
 22 | /// Wrapper for ReerKit compatible types. This type provides an extension point for
 23 | /// convenience methods in ReerKit.
 24 | public struct Reer<Base> {
    |               `- note: consider making generic struct 'Reer' conform to the 'Sendable' protocol
 25 |     public let base: Base
 26 |     public init(_ base: Base) {
[100/144] Compiling ReerKit Collection+REExtensions.swift
/host/spi-builder-workspace/Sources/ReerKit/StandardLibrary/Collection+REExtensions.swift:50:13: warning: capture of 'each' with non-sendable type '(Base.Element) -> Void' in a '@Sendable' closure; this is an error in the Swift 6 language mode
 48 |     func forEachInParallel(_ each: (Base.Element) -> Void) {
 49 |         DispatchQueue.concurrentPerform(iterations: base.count) {
 50 |             each(base[base.index(base.startIndex, offsetBy: $0)])
    |             |- warning: capture of 'each' with non-sendable type '(Base.Element) -> Void' in a '@Sendable' closure; this is an error in the Swift 6 language mode
    |             `- note: a function type must be marked '@Sendable' to conform to 'Sendable'
 51 |         }
 52 |     }
/host/spi-builder-workspace/Sources/ReerKit/StandardLibrary/Collection+REExtensions.swift:50:18: warning: capture of 'self' with non-sendable type 'Reer<Base>' in a '@Sendable' closure; this is an error in the Swift 6 language mode
 48 |     func forEachInParallel(_ each: (Base.Element) -> Void) {
 49 |         DispatchQueue.concurrentPerform(iterations: base.count) {
 50 |             each(base[base.index(base.startIndex, offsetBy: $0)])
    |                  `- warning: capture of 'self' with non-sendable type 'Reer<Base>' in a '@Sendable' closure; this is an error in the Swift 6 language mode
 51 |         }
 52 |     }
/host/spi-builder-workspace/Sources/ReerKit/General/ReerKit.swift:24:15: note: consider making generic struct 'Reer' conform to the 'Sendable' protocol
 22 | /// Wrapper for ReerKit compatible types. This type provides an extension point for
 23 | /// convenience methods in ReerKit.
 24 | public struct Reer<Base> {
    |               `- note: consider making generic struct 'Reer' conform to the 'Sendable' protocol
 25 |     public let base: Base
 26 |     public init(_ base: Base) {
[101/144] Compiling ReerKit Comparable+REExtensions.swift
/host/spi-builder-workspace/Sources/ReerKit/StandardLibrary/Collection+REExtensions.swift:50:13: warning: capture of 'each' with non-sendable type '(Base.Element) -> Void' in a '@Sendable' closure; this is an error in the Swift 6 language mode
 48 |     func forEachInParallel(_ each: (Base.Element) -> Void) {
 49 |         DispatchQueue.concurrentPerform(iterations: base.count) {
 50 |             each(base[base.index(base.startIndex, offsetBy: $0)])
    |             |- warning: capture of 'each' with non-sendable type '(Base.Element) -> Void' in a '@Sendable' closure; this is an error in the Swift 6 language mode
    |             `- note: a function type must be marked '@Sendable' to conform to 'Sendable'
 51 |         }
 52 |     }
/host/spi-builder-workspace/Sources/ReerKit/StandardLibrary/Collection+REExtensions.swift:50:18: warning: capture of 'self' with non-sendable type 'Reer<Base>' in a '@Sendable' closure; this is an error in the Swift 6 language mode
 48 |     func forEachInParallel(_ each: (Base.Element) -> Void) {
 49 |         DispatchQueue.concurrentPerform(iterations: base.count) {
 50 |             each(base[base.index(base.startIndex, offsetBy: $0)])
    |                  `- warning: capture of 'self' with non-sendable type 'Reer<Base>' in a '@Sendable' closure; this is an error in the Swift 6 language mode
 51 |         }
 52 |     }
/host/spi-builder-workspace/Sources/ReerKit/General/ReerKit.swift:24:15: note: consider making generic struct 'Reer' conform to the 'Sendable' protocol
 22 | /// Wrapper for ReerKit compatible types. This type provides an extension point for
 23 | /// convenience methods in ReerKit.
 24 | public struct Reer<Base> {
    |               `- note: consider making generic struct 'Reer' conform to the 'Sendable' protocol
 25 |     public let base: Base
 26 |     public init(_ base: Base) {
[102/144] Compiling ReerKit Decodable+REExtensions.swift
/host/spi-builder-workspace/Sources/ReerKit/StandardLibrary/Collection+REExtensions.swift:50:13: warning: capture of 'each' with non-sendable type '(Base.Element) -> Void' in a '@Sendable' closure; this is an error in the Swift 6 language mode
 48 |     func forEachInParallel(_ each: (Base.Element) -> Void) {
 49 |         DispatchQueue.concurrentPerform(iterations: base.count) {
 50 |             each(base[base.index(base.startIndex, offsetBy: $0)])
    |             |- warning: capture of 'each' with non-sendable type '(Base.Element) -> Void' in a '@Sendable' closure; this is an error in the Swift 6 language mode
    |             `- note: a function type must be marked '@Sendable' to conform to 'Sendable'
 51 |         }
 52 |     }
/host/spi-builder-workspace/Sources/ReerKit/StandardLibrary/Collection+REExtensions.swift:50:18: warning: capture of 'self' with non-sendable type 'Reer<Base>' in a '@Sendable' closure; this is an error in the Swift 6 language mode
 48 |     func forEachInParallel(_ each: (Base.Element) -> Void) {
 49 |         DispatchQueue.concurrentPerform(iterations: base.count) {
 50 |             each(base[base.index(base.startIndex, offsetBy: $0)])
    |                  `- warning: capture of 'self' with non-sendable type 'Reer<Base>' in a '@Sendable' closure; this is an error in the Swift 6 language mode
 51 |         }
 52 |     }
/host/spi-builder-workspace/Sources/ReerKit/General/ReerKit.swift:24:15: note: consider making generic struct 'Reer' conform to the 'Sendable' protocol
 22 | /// Wrapper for ReerKit compatible types. This type provides an extension point for
 23 | /// convenience methods in ReerKit.
 24 | public struct Reer<Base> {
    |               `- note: consider making generic struct 'Reer' conform to the 'Sendable' protocol
 25 |     public let base: Base
 26 |     public init(_ base: Base) {
[103/144] Compiling ReerKit Dictionary+REExtensions.swift
/host/spi-builder-workspace/Sources/ReerKit/StandardLibrary/Collection+REExtensions.swift:50:13: warning: capture of 'each' with non-sendable type '(Base.Element) -> Void' in a '@Sendable' closure; this is an error in the Swift 6 language mode
 48 |     func forEachInParallel(_ each: (Base.Element) -> Void) {
 49 |         DispatchQueue.concurrentPerform(iterations: base.count) {
 50 |             each(base[base.index(base.startIndex, offsetBy: $0)])
    |             |- warning: capture of 'each' with non-sendable type '(Base.Element) -> Void' in a '@Sendable' closure; this is an error in the Swift 6 language mode
    |             `- note: a function type must be marked '@Sendable' to conform to 'Sendable'
 51 |         }
 52 |     }
/host/spi-builder-workspace/Sources/ReerKit/StandardLibrary/Collection+REExtensions.swift:50:18: warning: capture of 'self' with non-sendable type 'Reer<Base>' in a '@Sendable' closure; this is an error in the Swift 6 language mode
 48 |     func forEachInParallel(_ each: (Base.Element) -> Void) {
 49 |         DispatchQueue.concurrentPerform(iterations: base.count) {
 50 |             each(base[base.index(base.startIndex, offsetBy: $0)])
    |                  `- warning: capture of 'self' with non-sendable type 'Reer<Base>' in a '@Sendable' closure; this is an error in the Swift 6 language mode
 51 |         }
 52 |     }
/host/spi-builder-workspace/Sources/ReerKit/General/ReerKit.swift:24:15: note: consider making generic struct 'Reer' conform to the 'Sendable' protocol
 22 | /// Wrapper for ReerKit compatible types. This type provides an extension point for
 23 | /// convenience methods in ReerKit.
 24 | public struct Reer<Base> {
    |               `- note: consider making generic struct 'Reer' conform to the 'Sendable' protocol
 25 |     public let base: Base
 26 |     public init(_ base: Base) {
[104/144] Compiling ReerKit Double+REExtensions.swift
/host/spi-builder-workspace/Sources/ReerKit/StandardLibrary/Collection+REExtensions.swift:50:13: warning: capture of 'each' with non-sendable type '(Base.Element) -> Void' in a '@Sendable' closure; this is an error in the Swift 6 language mode
 48 |     func forEachInParallel(_ each: (Base.Element) -> Void) {
 49 |         DispatchQueue.concurrentPerform(iterations: base.count) {
 50 |             each(base[base.index(base.startIndex, offsetBy: $0)])
    |             |- warning: capture of 'each' with non-sendable type '(Base.Element) -> Void' in a '@Sendable' closure; this is an error in the Swift 6 language mode
    |             `- note: a function type must be marked '@Sendable' to conform to 'Sendable'
 51 |         }
 52 |     }
/host/spi-builder-workspace/Sources/ReerKit/StandardLibrary/Collection+REExtensions.swift:50:18: warning: capture of 'self' with non-sendable type 'Reer<Base>' in a '@Sendable' closure; this is an error in the Swift 6 language mode
 48 |     func forEachInParallel(_ each: (Base.Element) -> Void) {
 49 |         DispatchQueue.concurrentPerform(iterations: base.count) {
 50 |             each(base[base.index(base.startIndex, offsetBy: $0)])
    |                  `- warning: capture of 'self' with non-sendable type 'Reer<Base>' in a '@Sendable' closure; this is an error in the Swift 6 language mode
 51 |         }
 52 |     }
/host/spi-builder-workspace/Sources/ReerKit/General/ReerKit.swift:24:15: note: consider making generic struct 'Reer' conform to the 'Sendable' protocol
 22 | /// Wrapper for ReerKit compatible types. This type provides an extension point for
 23 | /// convenience methods in ReerKit.
 24 | public struct Reer<Base> {
    |               `- note: consider making generic struct 'Reer' conform to the 'Sendable' protocol
 25 |     public let base: Base
 26 |     public init(_ base: Base) {
[105/144] Compiling ReerKit Float+REExtensions.swift
/host/spi-builder-workspace/Sources/ReerKit/StandardLibrary/Collection+REExtensions.swift:50:13: warning: capture of 'each' with non-sendable type '(Base.Element) -> Void' in a '@Sendable' closure; this is an error in the Swift 6 language mode
 48 |     func forEachInParallel(_ each: (Base.Element) -> Void) {
 49 |         DispatchQueue.concurrentPerform(iterations: base.count) {
 50 |             each(base[base.index(base.startIndex, offsetBy: $0)])
    |             |- warning: capture of 'each' with non-sendable type '(Base.Element) -> Void' in a '@Sendable' closure; this is an error in the Swift 6 language mode
    |             `- note: a function type must be marked '@Sendable' to conform to 'Sendable'
 51 |         }
 52 |     }
/host/spi-builder-workspace/Sources/ReerKit/StandardLibrary/Collection+REExtensions.swift:50:18: warning: capture of 'self' with non-sendable type 'Reer<Base>' in a '@Sendable' closure; this is an error in the Swift 6 language mode
 48 |     func forEachInParallel(_ each: (Base.Element) -> Void) {
 49 |         DispatchQueue.concurrentPerform(iterations: base.count) {
 50 |             each(base[base.index(base.startIndex, offsetBy: $0)])
    |                  `- warning: capture of 'self' with non-sendable type 'Reer<Base>' in a '@Sendable' closure; this is an error in the Swift 6 language mode
 51 |         }
 52 |     }
/host/spi-builder-workspace/Sources/ReerKit/General/ReerKit.swift:24:15: note: consider making generic struct 'Reer' conform to the 'Sendable' protocol
 22 | /// Wrapper for ReerKit compatible types. This type provides an extension point for
 23 | /// convenience methods in ReerKit.
 24 | public struct Reer<Base> {
    |               `- note: consider making generic struct 'Reer' conform to the 'Sendable' protocol
 25 |     public let base: Base
 26 |     public init(_ base: Base) {
[106/144] Compiling ReerKit FloatingPoint+REExtensions.swift
/host/spi-builder-workspace/Sources/ReerKit/StandardLibrary/Collection+REExtensions.swift:50:13: warning: capture of 'each' with non-sendable type '(Base.Element) -> Void' in a '@Sendable' closure; this is an error in the Swift 6 language mode
 48 |     func forEachInParallel(_ each: (Base.Element) -> Void) {
 49 |         DispatchQueue.concurrentPerform(iterations: base.count) {
 50 |             each(base[base.index(base.startIndex, offsetBy: $0)])
    |             |- warning: capture of 'each' with non-sendable type '(Base.Element) -> Void' in a '@Sendable' closure; this is an error in the Swift 6 language mode
    |             `- note: a function type must be marked '@Sendable' to conform to 'Sendable'
 51 |         }
 52 |     }
/host/spi-builder-workspace/Sources/ReerKit/StandardLibrary/Collection+REExtensions.swift:50:18: warning: capture of 'self' with non-sendable type 'Reer<Base>' in a '@Sendable' closure; this is an error in the Swift 6 language mode
 48 |     func forEachInParallel(_ each: (Base.Element) -> Void) {
 49 |         DispatchQueue.concurrentPerform(iterations: base.count) {
 50 |             each(base[base.index(base.startIndex, offsetBy: $0)])
    |                  `- warning: capture of 'self' with non-sendable type 'Reer<Base>' in a '@Sendable' closure; this is an error in the Swift 6 language mode
 51 |         }
 52 |     }
/host/spi-builder-workspace/Sources/ReerKit/General/ReerKit.swift:24:15: note: consider making generic struct 'Reer' conform to the 'Sendable' protocol
 22 | /// Wrapper for ReerKit compatible types. This type provides an extension point for
 23 | /// convenience methods in ReerKit.
 24 | public struct Reer<Base> {
    |               `- note: consider making generic struct 'Reer' conform to the 'Sendable' protocol
 25 |     public let base: Base
 26 |     public init(_ base: Base) {
[107/144] Compiling ReerKit Int+REExtensions.swift
/host/spi-builder-workspace/Sources/ReerKit/StandardLibrary/Collection+REExtensions.swift:50:13: warning: capture of 'each' with non-sendable type '(Base.Element) -> Void' in a '@Sendable' closure; this is an error in the Swift 6 language mode
 48 |     func forEachInParallel(_ each: (Base.Element) -> Void) {
 49 |         DispatchQueue.concurrentPerform(iterations: base.count) {
 50 |             each(base[base.index(base.startIndex, offsetBy: $0)])
    |             |- warning: capture of 'each' with non-sendable type '(Base.Element) -> Void' in a '@Sendable' closure; this is an error in the Swift 6 language mode
    |             `- note: a function type must be marked '@Sendable' to conform to 'Sendable'
 51 |         }
 52 |     }
/host/spi-builder-workspace/Sources/ReerKit/StandardLibrary/Collection+REExtensions.swift:50:18: warning: capture of 'self' with non-sendable type 'Reer<Base>' in a '@Sendable' closure; this is an error in the Swift 6 language mode
 48 |     func forEachInParallel(_ each: (Base.Element) -> Void) {
 49 |         DispatchQueue.concurrentPerform(iterations: base.count) {
 50 |             each(base[base.index(base.startIndex, offsetBy: $0)])
    |                  `- warning: capture of 'self' with non-sendable type 'Reer<Base>' in a '@Sendable' closure; this is an error in the Swift 6 language mode
 51 |         }
 52 |     }
/host/spi-builder-workspace/Sources/ReerKit/General/ReerKit.swift:24:15: note: consider making generic struct 'Reer' conform to the 'Sendable' protocol
 22 | /// Wrapper for ReerKit compatible types. This type provides an extension point for
 23 | /// convenience methods in ReerKit.
 24 | public struct Reer<Base> {
    |               `- note: consider making generic struct 'Reer' conform to the 'Sendable' protocol
 25 |     public let base: Base
 26 |     public init(_ base: Base) {
[108/144] Compiling ReerKit MutableCollection+REExtensions.swift
/host/spi-builder-workspace/Sources/ReerKit/StandardLibrary/Collection+REExtensions.swift:50:13: warning: capture of 'each' with non-sendable type '(Base.Element) -> Void' in a '@Sendable' closure; this is an error in the Swift 6 language mode
 48 |     func forEachInParallel(_ each: (Base.Element) -> Void) {
 49 |         DispatchQueue.concurrentPerform(iterations: base.count) {
 50 |             each(base[base.index(base.startIndex, offsetBy: $0)])
    |             |- warning: capture of 'each' with non-sendable type '(Base.Element) -> Void' in a '@Sendable' closure; this is an error in the Swift 6 language mode
    |             `- note: a function type must be marked '@Sendable' to conform to 'Sendable'
 51 |         }
 52 |     }
/host/spi-builder-workspace/Sources/ReerKit/StandardLibrary/Collection+REExtensions.swift:50:18: warning: capture of 'self' with non-sendable type 'Reer<Base>' in a '@Sendable' closure; this is an error in the Swift 6 language mode
 48 |     func forEachInParallel(_ each: (Base.Element) -> Void) {
 49 |         DispatchQueue.concurrentPerform(iterations: base.count) {
 50 |             each(base[base.index(base.startIndex, offsetBy: $0)])
    |                  `- warning: capture of 'self' with non-sendable type 'Reer<Base>' in a '@Sendable' closure; this is an error in the Swift 6 language mode
 51 |         }
 52 |     }
/host/spi-builder-workspace/Sources/ReerKit/General/ReerKit.swift:24:15: note: consider making generic struct 'Reer' conform to the 'Sendable' protocol
 22 | /// Wrapper for ReerKit compatible types. This type provides an extension point for
 23 | /// convenience methods in ReerKit.
 24 | public struct Reer<Base> {
    |               `- note: consider making generic struct 'Reer' conform to the 'Sendable' protocol
 25 |     public let base: Base
 26 |     public init(_ base: Base) {
[109/144] Compiling ReerKit OptionSet+REExtensions.swift
/host/spi-builder-workspace/Sources/ReerKit/StandardLibrary/String+REExtensions.swift:430:24: warning: static property 'dateFormatter' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
 428 |
 429 |     #if canImport(Foundation)
 430 |     private static var dateFormatter: DateFormatter = {
     |                        |- warning: static property 'dateFormatter' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
     |                        |- note: convert 'dateFormatter' to a 'let' constant to make 'Sendable' shared state immutable
     |                        |- note: add '@MainActor' to make static property 'dateFormatter' part of global actor 'MainActor'
     |                        `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 431 |         let formatter = Date.dateFormatter
 432 |         formatter.timeZone = TimeZone.current
/host/spi-builder-workspace/Sources/ReerKit/StandardLibrary/String+REExtensions.swift:448:24: warning: static property 'dateTimeFormatter' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
 446 |
 447 |     #if canImport(Foundation)
 448 |     private static var dateTimeFormatter: DateFormatter = {
     |                        |- warning: static property 'dateTimeFormatter' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
     |                        |- note: convert 'dateTimeFormatter' to a 'let' constant to make 'Sendable' shared state immutable
     |                        |- note: add '@MainActor' to make static property 'dateTimeFormatter' part of global actor 'MainActor'
     |                        `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 449 |         let formatter = Date.dateFormatter
 450 |         formatter.timeZone = TimeZone.current
[110/144] Compiling ReerKit Optional+REExtensions.swift
/host/spi-builder-workspace/Sources/ReerKit/StandardLibrary/String+REExtensions.swift:430:24: warning: static property 'dateFormatter' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
 428 |
 429 |     #if canImport(Foundation)
 430 |     private static var dateFormatter: DateFormatter = {
     |                        |- warning: static property 'dateFormatter' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
     |                        |- note: convert 'dateFormatter' to a 'let' constant to make 'Sendable' shared state immutable
     |                        |- note: add '@MainActor' to make static property 'dateFormatter' part of global actor 'MainActor'
     |                        `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 431 |         let formatter = Date.dateFormatter
 432 |         formatter.timeZone = TimeZone.current
/host/spi-builder-workspace/Sources/ReerKit/StandardLibrary/String+REExtensions.swift:448:24: warning: static property 'dateTimeFormatter' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
 446 |
 447 |     #if canImport(Foundation)
 448 |     private static var dateTimeFormatter: DateFormatter = {
     |                        |- warning: static property 'dateTimeFormatter' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
     |                        |- note: convert 'dateTimeFormatter' to a 'let' constant to make 'Sendable' shared state immutable
     |                        |- note: add '@MainActor' to make static property 'dateTimeFormatter' part of global actor 'MainActor'
     |                        `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 449 |         let formatter = Date.dateFormatter
 450 |         formatter.timeZone = TimeZone.current
[111/144] Compiling ReerKit Range+REExtensions.swift
/host/spi-builder-workspace/Sources/ReerKit/StandardLibrary/String+REExtensions.swift:430:24: warning: static property 'dateFormatter' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
 428 |
 429 |     #if canImport(Foundation)
 430 |     private static var dateFormatter: DateFormatter = {
     |                        |- warning: static property 'dateFormatter' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
     |                        |- note: convert 'dateFormatter' to a 'let' constant to make 'Sendable' shared state immutable
     |                        |- note: add '@MainActor' to make static property 'dateFormatter' part of global actor 'MainActor'
     |                        `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 431 |         let formatter = Date.dateFormatter
 432 |         formatter.timeZone = TimeZone.current
/host/spi-builder-workspace/Sources/ReerKit/StandardLibrary/String+REExtensions.swift:448:24: warning: static property 'dateTimeFormatter' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
 446 |
 447 |     #if canImport(Foundation)
 448 |     private static var dateTimeFormatter: DateFormatter = {
     |                        |- warning: static property 'dateTimeFormatter' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
     |                        |- note: convert 'dateTimeFormatter' to a 'let' constant to make 'Sendable' shared state immutable
     |                        |- note: add '@MainActor' to make static property 'dateTimeFormatter' part of global actor 'MainActor'
     |                        `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 449 |         let formatter = Date.dateFormatter
 450 |         formatter.timeZone = TimeZone.current
[112/144] Compiling ReerKit RangeReplaceableCollection+REExtensions.swift
/host/spi-builder-workspace/Sources/ReerKit/StandardLibrary/String+REExtensions.swift:430:24: warning: static property 'dateFormatter' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
 428 |
 429 |     #if canImport(Foundation)
 430 |     private static var dateFormatter: DateFormatter = {
     |                        |- warning: static property 'dateFormatter' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
     |                        |- note: convert 'dateFormatter' to a 'let' constant to make 'Sendable' shared state immutable
     |                        |- note: add '@MainActor' to make static property 'dateFormatter' part of global actor 'MainActor'
     |                        `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 431 |         let formatter = Date.dateFormatter
 432 |         formatter.timeZone = TimeZone.current
/host/spi-builder-workspace/Sources/ReerKit/StandardLibrary/String+REExtensions.swift:448:24: warning: static property 'dateTimeFormatter' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
 446 |
 447 |     #if canImport(Foundation)
 448 |     private static var dateTimeFormatter: DateFormatter = {
     |                        |- warning: static property 'dateTimeFormatter' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
     |                        |- note: convert 'dateTimeFormatter' to a 'let' constant to make 'Sendable' shared state immutable
     |                        |- note: add '@MainActor' to make static property 'dateTimeFormatter' part of global actor 'MainActor'
     |                        `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 449 |         let formatter = Date.dateFormatter
 450 |         formatter.timeZone = TimeZone.current
[113/144] Compiling ReerKit Sequence+REExtensions.swift
/host/spi-builder-workspace/Sources/ReerKit/StandardLibrary/String+REExtensions.swift:430:24: warning: static property 'dateFormatter' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
 428 |
 429 |     #if canImport(Foundation)
 430 |     private static var dateFormatter: DateFormatter = {
     |                        |- warning: static property 'dateFormatter' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
     |                        |- note: convert 'dateFormatter' to a 'let' constant to make 'Sendable' shared state immutable
     |                        |- note: add '@MainActor' to make static property 'dateFormatter' part of global actor 'MainActor'
     |                        `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 431 |         let formatter = Date.dateFormatter
 432 |         formatter.timeZone = TimeZone.current
/host/spi-builder-workspace/Sources/ReerKit/StandardLibrary/String+REExtensions.swift:448:24: warning: static property 'dateTimeFormatter' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
 446 |
 447 |     #if canImport(Foundation)
 448 |     private static var dateTimeFormatter: DateFormatter = {
     |                        |- warning: static property 'dateTimeFormatter' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
     |                        |- note: convert 'dateTimeFormatter' to a 'let' constant to make 'Sendable' shared state immutable
     |                        |- note: add '@MainActor' to make static property 'dateTimeFormatter' part of global actor 'MainActor'
     |                        `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 449 |         let formatter = Date.dateFormatter
 450 |         formatter.timeZone = TimeZone.current
[114/144] Compiling ReerKit Set+REExtensions.swift
/host/spi-builder-workspace/Sources/ReerKit/StandardLibrary/String+REExtensions.swift:430:24: warning: static property 'dateFormatter' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
 428 |
 429 |     #if canImport(Foundation)
 430 |     private static var dateFormatter: DateFormatter = {
     |                        |- warning: static property 'dateFormatter' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
     |                        |- note: convert 'dateFormatter' to a 'let' constant to make 'Sendable' shared state immutable
     |                        |- note: add '@MainActor' to make static property 'dateFormatter' part of global actor 'MainActor'
     |                        `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 431 |         let formatter = Date.dateFormatter
 432 |         formatter.timeZone = TimeZone.current
/host/spi-builder-workspace/Sources/ReerKit/StandardLibrary/String+REExtensions.swift:448:24: warning: static property 'dateTimeFormatter' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
 446 |
 447 |     #if canImport(Foundation)
 448 |     private static var dateTimeFormatter: DateFormatter = {
     |                        |- warning: static property 'dateTimeFormatter' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
     |                        |- note: convert 'dateTimeFormatter' to a 'let' constant to make 'Sendable' shared state immutable
     |                        |- note: add '@MainActor' to make static property 'dateTimeFormatter' part of global actor 'MainActor'
     |                        `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 449 |         let formatter = Date.dateFormatter
 450 |         formatter.timeZone = TimeZone.current
[115/144] Compiling ReerKit SignedInteger+REExtensions.swift
/host/spi-builder-workspace/Sources/ReerKit/StandardLibrary/String+REExtensions.swift:430:24: warning: static property 'dateFormatter' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
 428 |
 429 |     #if canImport(Foundation)
 430 |     private static var dateFormatter: DateFormatter = {
     |                        |- warning: static property 'dateFormatter' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
     |                        |- note: convert 'dateFormatter' to a 'let' constant to make 'Sendable' shared state immutable
     |                        |- note: add '@MainActor' to make static property 'dateFormatter' part of global actor 'MainActor'
     |                        `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 431 |         let formatter = Date.dateFormatter
 432 |         formatter.timeZone = TimeZone.current
/host/spi-builder-workspace/Sources/ReerKit/StandardLibrary/String+REExtensions.swift:448:24: warning: static property 'dateTimeFormatter' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
 446 |
 447 |     #if canImport(Foundation)
 448 |     private static var dateTimeFormatter: DateFormatter = {
     |                        |- warning: static property 'dateTimeFormatter' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
     |                        |- note: convert 'dateTimeFormatter' to a 'let' constant to make 'Sendable' shared state immutable
     |                        |- note: add '@MainActor' to make static property 'dateTimeFormatter' part of global actor 'MainActor'
     |                        `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 449 |         let formatter = Date.dateFormatter
 450 |         formatter.timeZone = TimeZone.current
[116/144] Compiling ReerKit SignedNumeric+REExtensions.swift
/host/spi-builder-workspace/Sources/ReerKit/StandardLibrary/String+REExtensions.swift:430:24: warning: static property 'dateFormatter' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
 428 |
 429 |     #if canImport(Foundation)
 430 |     private static var dateFormatter: DateFormatter = {
     |                        |- warning: static property 'dateFormatter' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
     |                        |- note: convert 'dateFormatter' to a 'let' constant to make 'Sendable' shared state immutable
     |                        |- note: add '@MainActor' to make static property 'dateFormatter' part of global actor 'MainActor'
     |                        `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 431 |         let formatter = Date.dateFormatter
 432 |         formatter.timeZone = TimeZone.current
/host/spi-builder-workspace/Sources/ReerKit/StandardLibrary/String+REExtensions.swift:448:24: warning: static property 'dateTimeFormatter' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
 446 |
 447 |     #if canImport(Foundation)
 448 |     private static var dateTimeFormatter: DateFormatter = {
     |                        |- warning: static property 'dateTimeFormatter' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
     |                        |- note: convert 'dateTimeFormatter' to a 'let' constant to make 'Sendable' shared state immutable
     |                        |- note: add '@MainActor' to make static property 'dateTimeFormatter' part of global actor 'MainActor'
     |                        `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 449 |         let formatter = Date.dateFormatter
 450 |         formatter.timeZone = TimeZone.current
[117/144] Compiling ReerKit StdlibProtocolWrappers.swift
/host/spi-builder-workspace/Sources/ReerKit/StandardLibrary/String+REExtensions.swift:430:24: warning: static property 'dateFormatter' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
 428 |
 429 |     #if canImport(Foundation)
 430 |     private static var dateFormatter: DateFormatter = {
     |                        |- warning: static property 'dateFormatter' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
     |                        |- note: convert 'dateFormatter' to a 'let' constant to make 'Sendable' shared state immutable
     |                        |- note: add '@MainActor' to make static property 'dateFormatter' part of global actor 'MainActor'
     |                        `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 431 |         let formatter = Date.dateFormatter
 432 |         formatter.timeZone = TimeZone.current
/host/spi-builder-workspace/Sources/ReerKit/StandardLibrary/String+REExtensions.swift:448:24: warning: static property 'dateTimeFormatter' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
 446 |
 447 |     #if canImport(Foundation)
 448 |     private static var dateTimeFormatter: DateFormatter = {
     |                        |- warning: static property 'dateTimeFormatter' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
     |                        |- note: convert 'dateTimeFormatter' to a 'let' constant to make 'Sendable' shared state immutable
     |                        |- note: add '@MainActor' to make static property 'dateTimeFormatter' part of global actor 'MainActor'
     |                        `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 449 |         let formatter = Date.dateFormatter
 450 |         formatter.timeZone = TimeZone.current
[118/144] Compiling ReerKit String+REExtensions.swift
/host/spi-builder-workspace/Sources/ReerKit/StandardLibrary/String+REExtensions.swift:430:24: warning: static property 'dateFormatter' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
 428 |
 429 |     #if canImport(Foundation)
 430 |     private static var dateFormatter: DateFormatter = {
     |                        |- warning: static property 'dateFormatter' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
     |                        |- note: convert 'dateFormatter' to a 'let' constant to make 'Sendable' shared state immutable
     |                        |- note: add '@MainActor' to make static property 'dateFormatter' part of global actor 'MainActor'
     |                        `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 431 |         let formatter = Date.dateFormatter
 432 |         formatter.timeZone = TimeZone.current
/host/spi-builder-workspace/Sources/ReerKit/StandardLibrary/String+REExtensions.swift:448:24: warning: static property 'dateTimeFormatter' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
 446 |
 447 |     #if canImport(Foundation)
 448 |     private static var dateTimeFormatter: DateFormatter = {
     |                        |- warning: static property 'dateTimeFormatter' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
     |                        |- note: convert 'dateTimeFormatter' to a 'let' constant to make 'Sendable' shared state immutable
     |                        |- note: add '@MainActor' to make static property 'dateTimeFormatter' part of global actor 'MainActor'
     |                        `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 449 |         let formatter = Date.dateFormatter
 450 |         formatter.timeZone = TimeZone.current
[119/144] Compiling ReerKit StringProtocol+REExtensions.swift
/host/spi-builder-workspace/Sources/ReerKit/StandardLibrary/String+REExtensions.swift:430:24: warning: static property 'dateFormatter' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
 428 |
 429 |     #if canImport(Foundation)
 430 |     private static var dateFormatter: DateFormatter = {
     |                        |- warning: static property 'dateFormatter' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
     |                        |- note: convert 'dateFormatter' to a 'let' constant to make 'Sendable' shared state immutable
     |                        |- note: add '@MainActor' to make static property 'dateFormatter' part of global actor 'MainActor'
     |                        `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 431 |         let formatter = Date.dateFormatter
 432 |         formatter.timeZone = TimeZone.current
/host/spi-builder-workspace/Sources/ReerKit/StandardLibrary/String+REExtensions.swift:448:24: warning: static property 'dateTimeFormatter' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
 446 |
 447 |     #if canImport(Foundation)
 448 |     private static var dateTimeFormatter: DateFormatter = {
     |                        |- warning: static property 'dateTimeFormatter' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
     |                        |- note: convert 'dateTimeFormatter' to a 'let' constant to make 'Sendable' shared state immutable
     |                        |- note: add '@MainActor' to make static property 'dateTimeFormatter' part of global actor 'MainActor'
     |                        `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 449 |         let formatter = Date.dateFormatter
 450 |         formatter.timeZone = TimeZone.current
[120/144] Compiling ReerKit UIAlertController+REExtensions.swift
/host/spi-builder-workspace/Sources/ReerKit/StandardLibrary/String+REExtensions.swift:430:24: warning: static property 'dateFormatter' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
 428 |
 429 |     #if canImport(Foundation)
 430 |     private static var dateFormatter: DateFormatter = {
     |                        |- warning: static property 'dateFormatter' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
     |                        |- note: convert 'dateFormatter' to a 'let' constant to make 'Sendable' shared state immutable
     |                        |- note: add '@MainActor' to make static property 'dateFormatter' part of global actor 'MainActor'
     |                        `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 431 |         let formatter = Date.dateFormatter
 432 |         formatter.timeZone = TimeZone.current
/host/spi-builder-workspace/Sources/ReerKit/StandardLibrary/String+REExtensions.swift:448:24: warning: static property 'dateTimeFormatter' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
 446 |
 447 |     #if canImport(Foundation)
 448 |     private static var dateTimeFormatter: DateFormatter = {
     |                        |- warning: static property 'dateTimeFormatter' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
     |                        |- note: convert 'dateTimeFormatter' to a 'let' constant to make 'Sendable' shared state immutable
     |                        |- note: add '@MainActor' to make static property 'dateTimeFormatter' part of global actor 'MainActor'
     |                        `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 449 |         let formatter = Date.dateFormatter
 450 |         formatter.timeZone = TimeZone.current
[121/144] Compiling ReerKit UIApplication+REExtensions.swift
/host/spi-builder-workspace/Sources/ReerKit/StandardLibrary/String+REExtensions.swift:430:24: warning: static property 'dateFormatter' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
 428 |
 429 |     #if canImport(Foundation)
 430 |     private static var dateFormatter: DateFormatter = {
     |                        |- warning: static property 'dateFormatter' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
     |                        |- note: convert 'dateFormatter' to a 'let' constant to make 'Sendable' shared state immutable
     |                        |- note: add '@MainActor' to make static property 'dateFormatter' part of global actor 'MainActor'
     |                        `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 431 |         let formatter = Date.dateFormatter
 432 |         formatter.timeZone = TimeZone.current
/host/spi-builder-workspace/Sources/ReerKit/StandardLibrary/String+REExtensions.swift:448:24: warning: static property 'dateTimeFormatter' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
 446 |
 447 |     #if canImport(Foundation)
 448 |     private static var dateTimeFormatter: DateFormatter = {
     |                        |- warning: static property 'dateTimeFormatter' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
     |                        |- note: convert 'dateTimeFormatter' to a 'let' constant to make 'Sendable' shared state immutable
     |                        |- note: add '@MainActor' to make static property 'dateTimeFormatter' part of global actor 'MainActor'
     |                        `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 449 |         let formatter = Date.dateFormatter
 450 |         formatter.timeZone = TimeZone.current
[122/144] Compiling ReerKit UIBarButtonItem+REExtensions.swift
/host/spi-builder-workspace/Sources/ReerKit/StandardLibrary/String+REExtensions.swift:430:24: warning: static property 'dateFormatter' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
 428 |
 429 |     #if canImport(Foundation)
 430 |     private static var dateFormatter: DateFormatter = {
     |                        |- warning: static property 'dateFormatter' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
     |                        |- note: convert 'dateFormatter' to a 'let' constant to make 'Sendable' shared state immutable
     |                        |- note: add '@MainActor' to make static property 'dateFormatter' part of global actor 'MainActor'
     |                        `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 431 |         let formatter = Date.dateFormatter
 432 |         formatter.timeZone = TimeZone.current
/host/spi-builder-workspace/Sources/ReerKit/StandardLibrary/String+REExtensions.swift:448:24: warning: static property 'dateTimeFormatter' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
 446 |
 447 |     #if canImport(Foundation)
 448 |     private static var dateTimeFormatter: DateFormatter = {
     |                        |- warning: static property 'dateTimeFormatter' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
     |                        |- note: convert 'dateTimeFormatter' to a 'let' constant to make 'Sendable' shared state immutable
     |                        |- note: add '@MainActor' to make static property 'dateTimeFormatter' part of global actor 'MainActor'
     |                        `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 449 |         let formatter = Date.dateFormatter
 450 |         formatter.timeZone = TimeZone.current
[123/144] Compiling ReerKit UIBezierPath+REExtensions.swift
/host/spi-builder-workspace/Sources/ReerKit/StandardLibrary/String+REExtensions.swift:430:24: warning: static property 'dateFormatter' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
 428 |
 429 |     #if canImport(Foundation)
 430 |     private static var dateFormatter: DateFormatter = {
     |                        |- warning: static property 'dateFormatter' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
     |                        |- note: convert 'dateFormatter' to a 'let' constant to make 'Sendable' shared state immutable
     |                        |- note: add '@MainActor' to make static property 'dateFormatter' part of global actor 'MainActor'
     |                        `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 431 |         let formatter = Date.dateFormatter
 432 |         formatter.timeZone = TimeZone.current
/host/spi-builder-workspace/Sources/ReerKit/StandardLibrary/String+REExtensions.swift:448:24: warning: static property 'dateTimeFormatter' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
 446 |
 447 |     #if canImport(Foundation)
 448 |     private static var dateTimeFormatter: DateFormatter = {
     |                        |- warning: static property 'dateTimeFormatter' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
     |                        |- note: convert 'dateTimeFormatter' to a 'let' constant to make 'Sendable' shared state immutable
     |                        |- note: add '@MainActor' to make static property 'dateTimeFormatter' part of global actor 'MainActor'
     |                        `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 449 |         let formatter = Date.dateFormatter
 450 |         formatter.timeZone = TimeZone.current
[124/144] Compiling ReerKit UIButton+REExtensions.swift
/host/spi-builder-workspace/Sources/ReerKit/StandardLibrary/String+REExtensions.swift:430:24: warning: static property 'dateFormatter' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
 428 |
 429 |     #if canImport(Foundation)
 430 |     private static var dateFormatter: DateFormatter = {
     |                        |- warning: static property 'dateFormatter' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
     |                        |- note: convert 'dateFormatter' to a 'let' constant to make 'Sendable' shared state immutable
     |                        |- note: add '@MainActor' to make static property 'dateFormatter' part of global actor 'MainActor'
     |                        `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 431 |         let formatter = Date.dateFormatter
 432 |         formatter.timeZone = TimeZone.current
/host/spi-builder-workspace/Sources/ReerKit/StandardLibrary/String+REExtensions.swift:448:24: warning: static property 'dateTimeFormatter' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
 446 |
 447 |     #if canImport(Foundation)
 448 |     private static var dateTimeFormatter: DateFormatter = {
     |                        |- warning: static property 'dateTimeFormatter' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
     |                        |- note: convert 'dateTimeFormatter' to a 'let' constant to make 'Sendable' shared state immutable
     |                        |- note: add '@MainActor' to make static property 'dateTimeFormatter' part of global actor 'MainActor'
     |                        `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 449 |         let formatter = Date.dateFormatter
 450 |         formatter.timeZone = TimeZone.current
[125/144] Compiling ReerKit UICollectionView+REExtensions.swift
/host/spi-builder-workspace/Sources/ReerKit/StandardLibrary/String+REExtensions.swift:430:24: warning: static property 'dateFormatter' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
 428 |
 429 |     #if canImport(Foundation)
 430 |     private static var dateFormatter: DateFormatter = {
     |                        |- warning: static property 'dateFormatter' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
     |                        |- note: convert 'dateFormatter' to a 'let' constant to make 'Sendable' shared state immutable
     |                        |- note: add '@MainActor' to make static property 'dateFormatter' part of global actor 'MainActor'
     |                        `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 431 |         let formatter = Date.dateFormatter
 432 |         formatter.timeZone = TimeZone.current
/host/spi-builder-workspace/Sources/ReerKit/StandardLibrary/String+REExtensions.swift:448:24: warning: static property 'dateTimeFormatter' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
 446 |
 447 |     #if canImport(Foundation)
 448 |     private static var dateTimeFormatter: DateFormatter = {
     |                        |- warning: static property 'dateTimeFormatter' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
     |                        |- note: convert 'dateTimeFormatter' to a 'let' constant to make 'Sendable' shared state immutable
     |                        |- note: add '@MainActor' to make static property 'dateTimeFormatter' part of global actor 'MainActor'
     |                        `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 449 |         let formatter = Date.dateFormatter
 450 |         formatter.timeZone = TimeZone.current
[126/144] Compiling ReerKit UIControl+REExtensions.swift
/host/spi-builder-workspace/Sources/ReerKit/StandardLibrary/String+REExtensions.swift:430:24: warning: static property 'dateFormatter' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
 428 |
 429 |     #if canImport(Foundation)
 430 |     private static var dateFormatter: DateFormatter = {
     |                        |- warning: static property 'dateFormatter' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
     |                        |- note: convert 'dateFormatter' to a 'let' constant to make 'Sendable' shared state immutable
     |                        |- note: add '@MainActor' to make static property 'dateFormatter' part of global actor 'MainActor'
     |                        `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 431 |         let formatter = Date.dateFormatter
 432 |         formatter.timeZone = TimeZone.current
/host/spi-builder-workspace/Sources/ReerKit/StandardLibrary/String+REExtensions.swift:448:24: warning: static property 'dateTimeFormatter' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
 446 |
 447 |     #if canImport(Foundation)
 448 |     private static var dateTimeFormatter: DateFormatter = {
     |                        |- warning: static property 'dateTimeFormatter' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
     |                        |- note: convert 'dateTimeFormatter' to a 'let' constant to make 'Sendable' shared state immutable
     |                        |- note: add '@MainActor' to make static property 'dateTimeFormatter' part of global actor 'MainActor'
     |                        `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 449 |         let formatter = Date.dateFormatter
 450 |         formatter.timeZone = TimeZone.current
[127/144] Compiling ReerKit Locale+REExtensions.swift
/host/spi-builder-workspace/Sources/ReerKit/Foundation/NotificationCenter+REExtensions.swift:55:13: warning: capture of 'removeObserver' with non-sendable type '() -> ()' in a '@Sendable' closure; this is an error in the Swift 6 language mode
53 |         }
54 |         handler = base.addObserver(forName: name, object: obj, queue: queue) {
55 |             removeObserver()
   |             |- warning: capture of 'removeObserver' with non-sendable type '() -> ()' in a '@Sendable' closure; this is an error in the Swift 6 language mode
   |             `- note: a function type must be marked '@Sendable' to conform to 'Sendable'
56 |             block($0)
57 |         }
/host/spi-builder-workspace/Sources/ReerKit/Foundation/NotificationCenter+REExtensions.swift:56:13: warning: capture of 'block' with non-sendable type '(Notification) -> Void' in a '@Sendable' closure; this is an error in the Swift 6 language mode
54 |         handler = base.addObserver(forName: name, object: obj, queue: queue) {
55 |             removeObserver()
56 |             block($0)
   |             |- warning: capture of 'block' with non-sendable type '(Notification) -> Void' in a '@Sendable' closure; this is an error in the Swift 6 language mode
   |             `- note: a function type must be marked '@Sendable' to conform to 'Sendable'
57 |         }
58 |     }
[128/144] Compiling ReerKit NSAttributedString+REExtensions.swift
/host/spi-builder-workspace/Sources/ReerKit/Foundation/NotificationCenter+REExtensions.swift:55:13: warning: capture of 'removeObserver' with non-sendable type '() -> ()' in a '@Sendable' closure; this is an error in the Swift 6 language mode
53 |         }
54 |         handler = base.addObserver(forName: name, object: obj, queue: queue) {
55 |             removeObserver()
   |             |- warning: capture of 'removeObserver' with non-sendable type '() -> ()' in a '@Sendable' closure; this is an error in the Swift 6 language mode
   |             `- note: a function type must be marked '@Sendable' to conform to 'Sendable'
56 |             block($0)
57 |         }
/host/spi-builder-workspace/Sources/ReerKit/Foundation/NotificationCenter+REExtensions.swift:56:13: warning: capture of 'block' with non-sendable type '(Notification) -> Void' in a '@Sendable' closure; this is an error in the Swift 6 language mode
54 |         handler = base.addObserver(forName: name, object: obj, queue: queue) {
55 |             removeObserver()
56 |             block($0)
   |             |- warning: capture of 'block' with non-sendable type '(Notification) -> Void' in a '@Sendable' closure; this is an error in the Swift 6 language mode
   |             `- note: a function type must be marked '@Sendable' to conform to 'Sendable'
57 |         }
58 |     }
[129/144] Compiling ReerKit NSObject+REExtensions.swift
/host/spi-builder-workspace/Sources/ReerKit/Foundation/NotificationCenter+REExtensions.swift:55:13: warning: capture of 'removeObserver' with non-sendable type '() -> ()' in a '@Sendable' closure; this is an error in the Swift 6 language mode
53 |         }
54 |         handler = base.addObserver(forName: name, object: obj, queue: queue) {
55 |             removeObserver()
   |             |- warning: capture of 'removeObserver' with non-sendable type '() -> ()' in a '@Sendable' closure; this is an error in the Swift 6 language mode
   |             `- note: a function type must be marked '@Sendable' to conform to 'Sendable'
56 |             block($0)
57 |         }
/host/spi-builder-workspace/Sources/ReerKit/Foundation/NotificationCenter+REExtensions.swift:56:13: warning: capture of 'block' with non-sendable type '(Notification) -> Void' in a '@Sendable' closure; this is an error in the Swift 6 language mode
54 |         handler = base.addObserver(forName: name, object: obj, queue: queue) {
55 |             removeObserver()
56 |             block($0)
   |             |- warning: capture of 'block' with non-sendable type '(Notification) -> Void' in a '@Sendable' closure; this is an error in the Swift 6 language mode
   |             `- note: a function type must be marked '@Sendable' to conform to 'Sendable'
57 |         }
58 |     }
[130/144] Compiling ReerKit NSPredicate+REExtensions.swift
/host/spi-builder-workspace/Sources/ReerKit/Foundation/NotificationCenter+REExtensions.swift:55:13: warning: capture of 'removeObserver' with non-sendable type '() -> ()' in a '@Sendable' closure; this is an error in the Swift 6 language mode
53 |         }
54 |         handler = base.addObserver(forName: name, object: obj, queue: queue) {
55 |             removeObserver()
   |             |- warning: capture of 'removeObserver' with non-sendable type '() -> ()' in a '@Sendable' closure; this is an error in the Swift 6 language mode
   |             `- note: a function type must be marked '@Sendable' to conform to 'Sendable'
56 |             block($0)
57 |         }
/host/spi-builder-workspace/Sources/ReerKit/Foundation/NotificationCenter+REExtensions.swift:56:13: warning: capture of 'block' with non-sendable type '(Notification) -> Void' in a '@Sendable' closure; this is an error in the Swift 6 language mode
54 |         handler = base.addObserver(forName: name, object: obj, queue: queue) {
55 |             removeObserver()
56 |             block($0)
   |             |- warning: capture of 'block' with non-sendable type '(Notification) -> Void' in a '@Sendable' closure; this is an error in the Swift 6 language mode
   |             `- note: a function type must be marked '@Sendable' to conform to 'Sendable'
57 |         }
58 |     }
[131/144] Compiling ReerKit NSRange+REExtensions.swift
/host/spi-builder-workspace/Sources/ReerKit/Foundation/NotificationCenter+REExtensions.swift:55:13: warning: capture of 'removeObserver' with non-sendable type '() -> ()' in a '@Sendable' closure; this is an error in the Swift 6 language mode
53 |         }
54 |         handler = base.addObserver(forName: name, object: obj, queue: queue) {
55 |             removeObserver()
   |             |- warning: capture of 'removeObserver' with non-sendable type '() -> ()' in a '@Sendable' closure; this is an error in the Swift 6 language mode
   |             `- note: a function type must be marked '@Sendable' to conform to 'Sendable'
56 |             block($0)
57 |         }
/host/spi-builder-workspace/Sources/ReerKit/Foundation/NotificationCenter+REExtensions.swift:56:13: warning: capture of 'block' with non-sendable type '(Notification) -> Void' in a '@Sendable' closure; this is an error in the Swift 6 language mode
54 |         handler = base.addObserver(forName: name, object: obj, queue: queue) {
55 |             removeObserver()
56 |             block($0)
   |             |- warning: capture of 'block' with non-sendable type '(Notification) -> Void' in a '@Sendable' closure; this is an error in the Swift 6 language mode
   |             `- note: a function type must be marked '@Sendable' to conform to 'Sendable'
57 |         }
58 |     }
[132/144] Compiling ReerKit NSRegularExpression+REExtensions.swift
/host/spi-builder-workspace/Sources/ReerKit/Foundation/NotificationCenter+REExtensions.swift:55:13: warning: capture of 'removeObserver' with non-sendable type '() -> ()' in a '@Sendable' closure; this is an error in the Swift 6 language mode
53 |         }
54 |         handler = base.addObserver(forName: name, object: obj, queue: queue) {
55 |             removeObserver()
   |             |- warning: capture of 'removeObserver' with non-sendable type '() -> ()' in a '@Sendable' closure; this is an error in the Swift 6 language mode
   |             `- note: a function type must be marked '@Sendable' to conform to 'Sendable'
56 |             block($0)
57 |         }
/host/spi-builder-workspace/Sources/ReerKit/Foundation/NotificationCenter+REExtensions.swift:56:13: warning: capture of 'block' with non-sendable type '(Notification) -> Void' in a '@Sendable' closure; this is an error in the Swift 6 language mode
54 |         handler = base.addObserver(forName: name, object: obj, queue: queue) {
55 |             removeObserver()
56 |             block($0)
   |             |- warning: capture of 'block' with non-sendable type '(Notification) -> Void' in a '@Sendable' closure; this is an error in the Swift 6 language mode
   |             `- note: a function type must be marked '@Sendable' to conform to 'Sendable'
57 |         }
58 |     }
[133/144] Compiling ReerKit NotificationCenter+REExtensions.swift
/host/spi-builder-workspace/Sources/ReerKit/Foundation/NotificationCenter+REExtensions.swift:55:13: warning: capture of 'removeObserver' with non-sendable type '() -> ()' in a '@Sendable' closure; this is an error in the Swift 6 language mode
53 |         }
54 |         handler = base.addObserver(forName: name, object: obj, queue: queue) {
55 |             removeObserver()
   |             |- warning: capture of 'removeObserver' with non-sendable type '() -> ()' in a '@Sendable' closure; this is an error in the Swift 6 language mode
   |             `- note: a function type must be marked '@Sendable' to conform to 'Sendable'
56 |             block($0)
57 |         }
/host/spi-builder-workspace/Sources/ReerKit/Foundation/NotificationCenter+REExtensions.swift:56:13: warning: capture of 'block' with non-sendable type '(Notification) -> Void' in a '@Sendable' closure; this is an error in the Swift 6 language mode
54 |         handler = base.addObserver(forName: name, object: obj, queue: queue) {
55 |             removeObserver()
56 |             block($0)
   |             |- warning: capture of 'block' with non-sendable type '(Notification) -> Void' in a '@Sendable' closure; this is an error in the Swift 6 language mode
   |             `- note: a function type must be marked '@Sendable' to conform to 'Sendable'
57 |         }
58 |     }
[134/144] Compiling ReerKit Timer+REExtensions.swift
/host/spi-builder-workspace/Sources/ReerKit/Foundation/NotificationCenter+REExtensions.swift:55:13: warning: capture of 'removeObserver' with non-sendable type '() -> ()' in a '@Sendable' closure; this is an error in the Swift 6 language mode
53 |         }
54 |         handler = base.addObserver(forName: name, object: obj, queue: queue) {
55 |             removeObserver()
   |             |- warning: capture of 'removeObserver' with non-sendable type '() -> ()' in a '@Sendable' closure; this is an error in the Swift 6 language mode
   |             `- note: a function type must be marked '@Sendable' to conform to 'Sendable'
56 |             block($0)
57 |         }
/host/spi-builder-workspace/Sources/ReerKit/Foundation/NotificationCenter+REExtensions.swift:56:13: warning: capture of 'block' with non-sendable type '(Notification) -> Void' in a '@Sendable' closure; this is an error in the Swift 6 language mode
54 |         handler = base.addObserver(forName: name, object: obj, queue: queue) {
55 |             removeObserver()
56 |             block($0)
   |             |- warning: capture of 'block' with non-sendable type '(Notification) -> Void' in a '@Sendable' closure; this is an error in the Swift 6 language mode
   |             `- note: a function type must be marked '@Sendable' to conform to 'Sendable'
57 |         }
58 |     }
[135/144] Compiling ReerKit URL+REExtensions.swift
/host/spi-builder-workspace/Sources/ReerKit/Foundation/NotificationCenter+REExtensions.swift:55:13: warning: capture of 'removeObserver' with non-sendable type '() -> ()' in a '@Sendable' closure; this is an error in the Swift 6 language mode
53 |         }
54 |         handler = base.addObserver(forName: name, object: obj, queue: queue) {
55 |             removeObserver()
   |             |- warning: capture of 'removeObserver' with non-sendable type '() -> ()' in a '@Sendable' closure; this is an error in the Swift 6 language mode
   |             `- note: a function type must be marked '@Sendable' to conform to 'Sendable'
56 |             block($0)
57 |         }
/host/spi-builder-workspace/Sources/ReerKit/Foundation/NotificationCenter+REExtensions.swift:56:13: warning: capture of 'block' with non-sendable type '(Notification) -> Void' in a '@Sendable' closure; this is an error in the Swift 6 language mode
54 |         handler = base.addObserver(forName: name, object: obj, queue: queue) {
55 |             removeObserver()
56 |             block($0)
   |             |- warning: capture of 'block' with non-sendable type '(Notification) -> Void' in a '@Sendable' closure; this is an error in the Swift 6 language mode
   |             `- note: a function type must be marked '@Sendable' to conform to 'Sendable'
57 |         }
58 |     }
[136/144] Compiling ReerKit URLRequest+REExtensions.swift
/host/spi-builder-workspace/Sources/ReerKit/Foundation/NotificationCenter+REExtensions.swift:55:13: warning: capture of 'removeObserver' with non-sendable type '() -> ()' in a '@Sendable' closure; this is an error in the Swift 6 language mode
53 |         }
54 |         handler = base.addObserver(forName: name, object: obj, queue: queue) {
55 |             removeObserver()
   |             |- warning: capture of 'removeObserver' with non-sendable type '() -> ()' in a '@Sendable' closure; this is an error in the Swift 6 language mode
   |             `- note: a function type must be marked '@Sendable' to conform to 'Sendable'
56 |             block($0)
57 |         }
/host/spi-builder-workspace/Sources/ReerKit/Foundation/NotificationCenter+REExtensions.swift:56:13: warning: capture of 'block' with non-sendable type '(Notification) -> Void' in a '@Sendable' closure; this is an error in the Swift 6 language mode
54 |         handler = base.addObserver(forName: name, object: obj, queue: queue) {
55 |             removeObserver()
56 |             block($0)
   |             |- warning: capture of 'block' with non-sendable type '(Notification) -> Void' in a '@Sendable' closure; this is an error in the Swift 6 language mode
   |             `- note: a function type must be marked '@Sendable' to conform to 'Sendable'
57 |         }
58 |     }
[137/144] Compiling ReerKit UserDefaults+REExtensions.swift
/host/spi-builder-workspace/Sources/ReerKit/Foundation/NotificationCenter+REExtensions.swift:55:13: warning: capture of 'removeObserver' with non-sendable type '() -> ()' in a '@Sendable' closure; this is an error in the Swift 6 language mode
53 |         }
54 |         handler = base.addObserver(forName: name, object: obj, queue: queue) {
55 |             removeObserver()
   |             |- warning: capture of 'removeObserver' with non-sendable type '() -> ()' in a '@Sendable' closure; this is an error in the Swift 6 language mode
   |             `- note: a function type must be marked '@Sendable' to conform to 'Sendable'
56 |             block($0)
57 |         }
/host/spi-builder-workspace/Sources/ReerKit/Foundation/NotificationCenter+REExtensions.swift:56:13: warning: capture of 'block' with non-sendable type '(Notification) -> Void' in a '@Sendable' closure; this is an error in the Swift 6 language mode
54 |         handler = base.addObserver(forName: name, object: obj, queue: queue) {
55 |             removeObserver()
56 |             block($0)
   |             |- warning: capture of 'block' with non-sendable type '(Notification) -> Void' in a '@Sendable' closure; this is an error in the Swift 6 language mode
   |             `- note: a function type must be marked '@Sendable' to conform to 'Sendable'
57 |         }
58 |     }
[138/144] Compiling ReerKit ReerKit.swift
/host/spi-builder-workspace/Sources/ReerKit/Foundation/NotificationCenter+REExtensions.swift:55:13: warning: capture of 'removeObserver' with non-sendable type '() -> ()' in a '@Sendable' closure; this is an error in the Swift 6 language mode
53 |         }
54 |         handler = base.addObserver(forName: name, object: obj, queue: queue) {
55 |             removeObserver()
   |             |- warning: capture of 'removeObserver' with non-sendable type '() -> ()' in a '@Sendable' closure; this is an error in the Swift 6 language mode
   |             `- note: a function type must be marked '@Sendable' to conform to 'Sendable'
56 |             block($0)
57 |         }
/host/spi-builder-workspace/Sources/ReerKit/Foundation/NotificationCenter+REExtensions.swift:56:13: warning: capture of 'block' with non-sendable type '(Notification) -> Void' in a '@Sendable' closure; this is an error in the Swift 6 language mode
54 |         handler = base.addObserver(forName: name, object: obj, queue: queue) {
55 |             removeObserver()
56 |             block($0)
   |             |- warning: capture of 'block' with non-sendable type '(Notification) -> Void' in a '@Sendable' closure; this is an error in the Swift 6 language mode
   |             `- note: a function type must be marked '@Sendable' to conform to 'Sendable'
57 |         }
58 |     }
[139/144] Compiling ReerKit Punycode.swift
/host/spi-builder-workspace/Sources/ReerKit/Foundation/NotificationCenter+REExtensions.swift:55:13: warning: capture of 'removeObserver' with non-sendable type '() -> ()' in a '@Sendable' closure; this is an error in the Swift 6 language mode
53 |         }
54 |         handler = base.addObserver(forName: name, object: obj, queue: queue) {
55 |             removeObserver()
   |             |- warning: capture of 'removeObserver' with non-sendable type '() -> ()' in a '@Sendable' closure; this is an error in the Swift 6 language mode
   |             `- note: a function type must be marked '@Sendable' to conform to 'Sendable'
56 |             block($0)
57 |         }
/host/spi-builder-workspace/Sources/ReerKit/Foundation/NotificationCenter+REExtensions.swift:56:13: warning: capture of 'block' with non-sendable type '(Notification) -> Void' in a '@Sendable' closure; this is an error in the Swift 6 language mode
54 |         handler = base.addObserver(forName: name, object: obj, queue: queue) {
55 |             removeObserver()
56 |             block($0)
   |             |- warning: capture of 'block' with non-sendable type '(Notification) -> Void' in a '@Sendable' closure; this is an error in the Swift 6 language mode
   |             `- note: a function type must be marked '@Sendable' to conform to 'Sendable'
57 |         }
58 |     }
[140/144] Compiling ReerKit RSA.swift
/host/spi-builder-workspace/Sources/ReerKit/Foundation/NotificationCenter+REExtensions.swift:55:13: warning: capture of 'removeObserver' with non-sendable type '() -> ()' in a '@Sendable' closure; this is an error in the Swift 6 language mode
53 |         }
54 |         handler = base.addObserver(forName: name, object: obj, queue: queue) {
55 |             removeObserver()
   |             |- warning: capture of 'removeObserver' with non-sendable type '() -> ()' in a '@Sendable' closure; this is an error in the Swift 6 language mode
   |             `- note: a function type must be marked '@Sendable' to conform to 'Sendable'
56 |             block($0)
57 |         }
/host/spi-builder-workspace/Sources/ReerKit/Foundation/NotificationCenter+REExtensions.swift:56:13: warning: capture of 'block' with non-sendable type '(Notification) -> Void' in a '@Sendable' closure; this is an error in the Swift 6 language mode
54 |         handler = base.addObserver(forName: name, object: obj, queue: queue) {
55 |             removeObserver()
56 |             block($0)
   |             |- warning: capture of 'block' with non-sendable type '(Notification) -> Void' in a '@Sendable' closure; this is an error in the Swift 6 language mode
   |             `- note: a function type must be marked '@Sendable' to conform to 'Sendable'
57 |         }
58 |     }
[141/144] Compiling ReerKit Color+REExtensions.swift
/host/spi-builder-workspace/Sources/ReerKit/Foundation/NotificationCenter+REExtensions.swift:55:13: warning: capture of 'removeObserver' with non-sendable type '() -> ()' in a '@Sendable' closure; this is an error in the Swift 6 language mode
53 |         }
54 |         handler = base.addObserver(forName: name, object: obj, queue: queue) {
55 |             removeObserver()
   |             |- warning: capture of 'removeObserver' with non-sendable type '() -> ()' in a '@Sendable' closure; this is an error in the Swift 6 language mode
   |             `- note: a function type must be marked '@Sendable' to conform to 'Sendable'
56 |             block($0)
57 |         }
/host/spi-builder-workspace/Sources/ReerKit/Foundation/NotificationCenter+REExtensions.swift:56:13: warning: capture of 'block' with non-sendable type '(Notification) -> Void' in a '@Sendable' closure; this is an error in the Swift 6 language mode
54 |         handler = base.addObserver(forName: name, object: obj, queue: queue) {
55 |             removeObserver()
56 |             block($0)
   |             |- warning: capture of 'block' with non-sendable type '(Notification) -> Void' in a '@Sendable' closure; this is an error in the Swift 6 language mode
   |             `- note: a function type must be marked '@Sendable' to conform to 'Sendable'
57 |         }
58 |     }
[142/144] Compiling ReerKit EdgeInsets+REExtensions.swift
/host/spi-builder-workspace/Sources/ReerKit/Foundation/NotificationCenter+REExtensions.swift:55:13: warning: capture of 'removeObserver' with non-sendable type '() -> ()' in a '@Sendable' closure; this is an error in the Swift 6 language mode
53 |         }
54 |         handler = base.addObserver(forName: name, object: obj, queue: queue) {
55 |             removeObserver()
   |             |- warning: capture of 'removeObserver' with non-sendable type '() -> ()' in a '@Sendable' closure; this is an error in the Swift 6 language mode
   |             `- note: a function type must be marked '@Sendable' to conform to 'Sendable'
56 |             block($0)
57 |         }
/host/spi-builder-workspace/Sources/ReerKit/Foundation/NotificationCenter+REExtensions.swift:56:13: warning: capture of 'block' with non-sendable type '(Notification) -> Void' in a '@Sendable' closure; this is an error in the Swift 6 language mode
54 |         handler = base.addObserver(forName: name, object: obj, queue: queue) {
55 |             removeObserver()
56 |             block($0)
   |             |- warning: capture of 'block' with non-sendable type '(Notification) -> Void' in a '@Sendable' closure; this is an error in the Swift 6 language mode
   |             `- note: a function type must be marked '@Sendable' to conform to 'Sendable'
57 |         }
58 |     }
[143/144] Compiling ReerKit Font+REExtensions.swift
/host/spi-builder-workspace/Sources/ReerKit/Foundation/NotificationCenter+REExtensions.swift:55:13: warning: capture of 'removeObserver' with non-sendable type '() -> ()' in a '@Sendable' closure; this is an error in the Swift 6 language mode
53 |         }
54 |         handler = base.addObserver(forName: name, object: obj, queue: queue) {
55 |             removeObserver()
   |             |- warning: capture of 'removeObserver' with non-sendable type '() -> ()' in a '@Sendable' closure; this is an error in the Swift 6 language mode
   |             `- note: a function type must be marked '@Sendable' to conform to 'Sendable'
56 |             block($0)
57 |         }
/host/spi-builder-workspace/Sources/ReerKit/Foundation/NotificationCenter+REExtensions.swift:56:13: warning: capture of 'block' with non-sendable type '(Notification) -> Void' in a '@Sendable' closure; this is an error in the Swift 6 language mode
54 |         handler = base.addObserver(forName: name, object: obj, queue: queue) {
55 |             removeObserver()
56 |             block($0)
   |             |- warning: capture of 'block' with non-sendable type '(Notification) -> Void' in a '@Sendable' closure; this is an error in the Swift 6 language mode
   |             `- note: a function type must be marked '@Sendable' to conform to 'Sendable'
57 |         }
58 |     }
[144/144] Compiling ReerKit AnyObjectExtensionable.swift
/host/spi-builder-workspace/Sources/ReerKit/Foundation/NotificationCenter+REExtensions.swift:55:13: warning: capture of 'removeObserver' with non-sendable type '() -> ()' in a '@Sendable' closure; this is an error in the Swift 6 language mode
53 |         }
54 |         handler = base.addObserver(forName: name, object: obj, queue: queue) {
55 |             removeObserver()
   |             |- warning: capture of 'removeObserver' with non-sendable type '() -> ()' in a '@Sendable' closure; this is an error in the Swift 6 language mode
   |             `- note: a function type must be marked '@Sendable' to conform to 'Sendable'
56 |             block($0)
57 |         }
/host/spi-builder-workspace/Sources/ReerKit/Foundation/NotificationCenter+REExtensions.swift:56:13: warning: capture of 'block' with non-sendable type '(Notification) -> Void' in a '@Sendable' closure; this is an error in the Swift 6 language mode
54 |         handler = base.addObserver(forName: name, object: obj, queue: queue) {
55 |             removeObserver()
56 |             block($0)
   |             |- warning: capture of 'block' with non-sendable type '(Notification) -> Void' in a '@Sendable' closure; this is an error in the Swift 6 language mode
   |             `- note: a function type must be marked '@Sendable' to conform to 'Sendable'
57 |         }
58 |     }
Build complete! (18.02s)
Build complete.
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basic-6.1-latest: Pulling from swiftpackageindex/spi-images
Digest: sha256:a7bfd71e9384436264431030299dc8a2d42d0664a168cfa1a5dd84c9bc592ccf
Status: Image is up to date for registry.gitlab.com/swiftpackageindex/spi-images:basic-6.1-latest
Done.