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Track the adoption of Swift 6 strict concurrency checks for data race safety. How many packages are Ready for Swift 6?

Build Information

Failed to build DBThreadSafe, reference main (19a7f3), with Swift 5.9 for macOS (SPM) on 6 Mar 2025 11:22:14 UTC.

Build Command

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

Build Log

========================================
RunAll
========================================
Builder version: 4.60.1
Interrupt handler set up.
========================================
Checkout
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Clone URL: https://github.com/dodobrands/DBThreadSafe-ios.git
Reference: main
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/dodobrands/DBThreadSafe-ios
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at 19a7f34 Downgrade swift version (#17)
Cloned https://github.com/dodobrands/DBThreadSafe-ios.git
Revision (git rev-parse @):
19a7f347f721a5c18aa275fc2d5bc207c536d4a3
SUCCESS checkout https://github.com/dodobrands/DBThreadSafe-ios.git at main
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             5.9
Building package at path:  $PWD
https://github.com/dodobrands/DBThreadSafe-ios.git
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-15.2.0.app xcrun swift build --arch arm64
Building for debugging...
error: emit-module command failed with exit code 1 (use -v to see invocation)
[1/3] Emitting module DBThreadSafe
/Users/admin/builder/spi-builder-workspace/Sources/DBThreadSafe/DBThreadSafeContainer.swift:4:16: error: expected 'var' keyword in property declaration
    nonisolated(unsafe) private var value: T
               ^
               var
/Users/admin/builder/spi-builder-workspace/Sources/DBThreadSafe/DBThreadSafeContainer.swift:4:24: error: consecutive declarations on a line must be separated by ';'
    nonisolated(unsafe) private var value: T
                       ^
                       ;
/Users/admin/builder/spi-builder-workspace/Sources/DBThreadSafe/DBThreadSafeContainer.swift:4:17: error: type annotation missing in pattern
    nonisolated(unsafe) private var value: T
                ^
/Users/admin/builder/spi-builder-workspace/Sources/DBThreadSafe/DBThreadSafeContainer.swift:4:5: error: 'nonisolated' can not be applied to stored properties
    nonisolated(unsafe) private var value: T
    ^~~~~~~~~~~

/Users/admin/builder/spi-builder-workspace/Sources/DBThreadSafe/Lock.swift:4:16: error: expected 'var' keyword in property declaration
    nonisolated(unsafe) private let lock = UnsafeMutablePointer<pthread_rwlock_t>.allocate(capacity: 1)
               ^
               var
/Users/admin/builder/spi-builder-workspace/Sources/DBThreadSafe/Lock.swift:4:24: error: consecutive declarations on a line must be separated by ';'
    nonisolated(unsafe) private let lock = UnsafeMutablePointer<pthread_rwlock_t>.allocate(capacity: 1)
                       ^
                       ;
/Users/admin/builder/spi-builder-workspace/Sources/DBThreadSafe/DBThreadSafeContainer.swift:4:17: warning: stored property 'unsafe' of 'Sendable'-conforming generic class 'DBThreadSafeContainer' is mutable
    nonisolated(unsafe) private var value: T
                ^
/Users/admin/builder/spi-builder-workspace/Sources/DBThreadSafe/Lock.swift:4:17: error: type annotation missing in pattern
    nonisolated(unsafe) private let lock = UnsafeMutablePointer<pthread_rwlock_t>.allocate(capacity: 1)
                ^
/Users/admin/builder/spi-builder-workspace/Sources/DBThreadSafe/Lock.swift:4:5: error: 'nonisolated' can not be applied to stored properties
    nonisolated(unsafe) private let lock = UnsafeMutablePointer<pthread_rwlock_t>.allocate(capacity: 1)
    ^~~~~~~~~~~

/Users/admin/builder/spi-builder-workspace/Sources/DBThreadSafe/Lock.swift:4:17: warning: stored property 'unsafe' of 'Sendable'-conforming class 'Lock' is mutable
    nonisolated(unsafe) private let lock = UnsafeMutablePointer<pthread_rwlock_t>.allocate(capacity: 1)
                ^
[2/3] Compiling DBThreadSafe DBThreadSafeContainer.swift
/Users/admin/builder/spi-builder-workspace/Sources/DBThreadSafe/DBThreadSafeContainer.swift:4:16: error: expected 'var' keyword in property declaration
    nonisolated(unsafe) private var value: T
               ^
               var
/Users/admin/builder/spi-builder-workspace/Sources/DBThreadSafe/DBThreadSafeContainer.swift:4:24: error: consecutive declarations on a line must be separated by ';'
    nonisolated(unsafe) private var value: T
                       ^
                       ;
/Users/admin/builder/spi-builder-workspace/Sources/DBThreadSafe/DBThreadSafeContainer.swift:4:17: error: type annotation missing in pattern
    nonisolated(unsafe) private var value: T
                ^
/Users/admin/builder/spi-builder-workspace/Sources/DBThreadSafe/DBThreadSafeContainer.swift:4:5: error: 'nonisolated' can not be applied to stored properties
    nonisolated(unsafe) private var value: T
    ^~~~~~~~~~~

/Users/admin/builder/spi-builder-workspace/Sources/DBThreadSafe/Lock.swift:4:16: error: expected 'var' keyword in property declaration
    nonisolated(unsafe) private let lock = UnsafeMutablePointer<pthread_rwlock_t>.allocate(capacity: 1)
               ^
               var
/Users/admin/builder/spi-builder-workspace/Sources/DBThreadSafe/Lock.swift:4:24: error: consecutive declarations on a line must be separated by ';'
    nonisolated(unsafe) private let lock = UnsafeMutablePointer<pthread_rwlock_t>.allocate(capacity: 1)
                       ^
                       ;
/Users/admin/builder/spi-builder-workspace/Sources/DBThreadSafe/DBThreadSafeContainer.swift:4:17: warning: stored property 'unsafe' of 'Sendable'-conforming generic class 'DBThreadSafeContainer' is mutable
    nonisolated(unsafe) private var value: T
                ^
[3/3] Compiling DBThreadSafe Lock.swift
/Users/admin/builder/spi-builder-workspace/Sources/DBThreadSafe/Lock.swift:4:16: error: expected 'var' keyword in property declaration
    nonisolated(unsafe) private let lock = UnsafeMutablePointer<pthread_rwlock_t>.allocate(capacity: 1)
               ^
               var
/Users/admin/builder/spi-builder-workspace/Sources/DBThreadSafe/Lock.swift:4:24: error: consecutive declarations on a line must be separated by ';'
    nonisolated(unsafe) private let lock = UnsafeMutablePointer<pthread_rwlock_t>.allocate(capacity: 1)
                       ^
                       ;
/Users/admin/builder/spi-builder-workspace/Sources/DBThreadSafe/Lock.swift:4:17: error: type annotation missing in pattern
    nonisolated(unsafe) private let lock = UnsafeMutablePointer<pthread_rwlock_t>.allocate(capacity: 1)
                ^
/Users/admin/builder/spi-builder-workspace/Sources/DBThreadSafe/Lock.swift:4:5: error: 'nonisolated' can not be applied to stored properties
    nonisolated(unsafe) private let lock = UnsafeMutablePointer<pthread_rwlock_t>.allocate(capacity: 1)
    ^~~~~~~~~~~

/Users/admin/builder/spi-builder-workspace/Sources/DBThreadSafe/Lock.swift:4:17: warning: stored property 'unsafe' of 'Sendable'-conforming class 'Lock' is mutable
    nonisolated(unsafe) private let lock = UnsafeMutablePointer<pthread_rwlock_t>.allocate(capacity: 1)
                ^
error: fatalError
BUILD FAILURE 5.9 macosSpm