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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 When with Swift 6.0 for macOS (SPM).

Build Command

env DEVELOPER_DIR=/Applications/Xcode-15.3.0.app xcrun --toolchain org.swift.600202405261a swift build --arch arm64 -Xswiftc -Xfrontend -Xswiftc -stats-output-dir -Xswiftc -Xfrontend -Xswiftc .stats -Xswiftc -strict-concurrency=complete

Build Log

========================================
RunAll
========================================
Builder version: 4.40.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/vadymmarkov/When.git
Reference: master
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/vadymmarkov/When
 * branch            master     -> FETCH_HEAD
 * [new branch]      master     -> origin/master
HEAD is now at a0811be Merge pull request #42 from fggeraissate/use-native-result
Cloned https://github.com/vadymmarkov/When.git
Revision (git rev-parse @):
a0811be90114d82131271c629c6c4bfb27530433
SUCCESS checkout https://github.com/vadymmarkov/When.git at master
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             6.0
Building package at path:  $workDir
https://github.com/vadymmarkov/When.git
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-15.3.0.app xcrun --toolchain org.swift.600202405261a swift build --arch arm64 -Xswiftc -Xfrontend -Xswiftc -stats-output-dir -Xswiftc -Xfrontend -Xswiftc .stats -Xswiftc -strict-concurrency=complete
Building for debugging...
[0/11] Write sources
[3/11] Write swift-version-6F35C1178C84523A.txt
[4/17] Compiling CwlMachBadInstructionHandler mach_excServer.c
[5/17] Compiling CwlCatchExceptionSupport CwlCatchException.m
[6/19] Compiling CwlMachBadInstructionHandler CwlMachBadInstructionHandler.m
[8/19] Compiling When Promise.swift
/Users/admin/builder/spi-builder-workspace/Sources/Promise.swift:178:28: warning: passing non-sendable parameter 'closure' to function expecting a @Sendable closure
172 |   }
173 |
174 |   private func dispatch(_ queue: DispatchQueue, closure: @escaping () -> Void) {
    |                                                 `- note: parameter 'closure' is implicitly non-sendable
175 |     if queue === instantQueue {
176 |       closure()
177 |     } else {
178 |       queue.async(execute: closure)
    |                            `- warning: passing non-sendable parameter 'closure' to function expecting a @Sendable closure
179 |     }
180 |   }
[9/19] Compiling When State.swift
[10/19] Compiling When Observer.swift
[11/19] Emitting module When
[12/19] Compiling When Error.swift
[13/19] Compiling When Functions.swift
[14/19] Compiling CwlCatchException CwlCatchException.swift
[15/19] Emitting module CwlCatchException
[15/19] Write Objects.LinkFileList
[16/19] Linking libCwlCatchException.dylib
[18/23] Compiling CwlPreconditionTesting CwlDarwinDefinitions.swift
/Users/admin/builder/spi-builder-workspace/.build/checkouts/CwlPreconditionTesting/Sources/CwlPreconditionTesting/CwlDarwinDefinitions.swift:44:59: error: cannot find type 'x86_thread_state64_t' in scope
42 | // #define x86_THREAD_STATE64_COUNT	((mach_msg_type_number_t) \
43 | //		( sizeof (x86_thread_state64_t) / sizeof (int) ))
44 | public let x86_THREAD_STATE64_COUNT = UInt32(MemoryLayout<x86_thread_state64_t>.size / MemoryLayout<Int32>.size)
   |                                                           `- error: cannot find type 'x86_thread_state64_t' in scope
45 |
46 | public let EXC_TYPES_COUNT = 14
[19/23] Compiling CwlPreconditionTesting CwlCatchBadInstruction.swift
/Users/admin/builder/spi-builder-workspace/.build/checkouts/CwlPreconditionTesting/Sources/CwlPreconditionTesting/CwlCatchBadInstruction.swift:185:166: error: cannot find 'x86_THREAD_STATE64' in scope
183 | 		try kernCheck { context.withUnsafeMutablePointers { masksPtr, countPtr, portsPtr, behaviorsPtr, flavorsPtr in
184 | 			// 3. Apply the mach port as the handler for this thread
185 | 			thread_swap_exception_ports(mach_thread_self(), EXC_MASK_BAD_INSTRUCTION, currentExceptionPtr, Int32(bitPattern: UInt32(EXCEPTION_STATE) | MACH_EXCEPTION_CODES), x86_THREAD_STATE64, masksPtr, countPtr, portsPtr, behaviorsPtr, flavorsPtr)
    |                                                                                                                                                                      `- error: cannot find 'x86_THREAD_STATE64' in scope
186 | 		} }
187 |
error: emit-module command failed with exit code 1 (use -v to see invocation)
[20/23] Compiling CwlPreconditionTesting CwlBadInstructionException.swift
/Users/admin/builder/spi-builder-workspace/.build/checkouts/CwlPreconditionTesting/Sources/CwlPreconditionTesting/CwlDarwinDefinitions.swift:44:59: error: cannot find type 'x86_thread_state64_t' in scope
42 | // #define x86_THREAD_STATE64_COUNT	((mach_msg_type_number_t) \
43 | //		( sizeof (x86_thread_state64_t) / sizeof (int) ))
44 | public let x86_THREAD_STATE64_COUNT = UInt32(MemoryLayout<x86_thread_state64_t>.size / MemoryLayout<Int32>.size)
   |                                                           `- error: cannot find type 'x86_thread_state64_t' in scope
45 |
46 | public let EXC_TYPES_COUNT = 14
/Users/admin/builder/spi-builder-workspace/.build/checkouts/CwlPreconditionTesting/Sources/CwlPreconditionTesting/CwlBadInstructionException.swift:63:47: error: cannot find 'x86_thread_state64_t' in scope
61 |
62 | 		// Read the old thread state
63 | 		var state = old_state.withMemoryRebound(to: x86_thread_state64_t.self, capacity: 1) { return $0.pointee }
   |                                               `- error: cannot find 'x86_thread_state64_t' in scope
64 |
65 | 		// 1. Decrement the stack pointer
/Users/admin/builder/spi-builder-workspace/.build/checkouts/CwlPreconditionTesting/Sources/CwlPreconditionTesting/CwlBadInstructionException.swift:63:25: error: generic parameter 'T' could not be inferred
61 |
62 | 		// Read the old thread state
63 | 		var state = old_state.withMemoryRebound(to: x86_thread_state64_t.self, capacity: 1) { return $0.pointee }
   |                         `- error: generic parameter 'T' could not be inferred
64 |
65 | 		// 1. Decrement the stack pointer
Swift.UnsafePointer:2:17: note: in call to function 'withMemoryRebound(to:capacity:_:)'
1 | extension UnsafePointer where Pointee : ~Copyable {
2 |     public func withMemoryRebound<T, E, Result>(to type: T.Type, capacity count: Int, _ body: (_ pointer: UnsafePointer<T>) throws(E) -> Result) throws(E) -> Result where E : Error, T : ~Copyable, Result : ~Copyable
  |                 `- note: in call to function 'withMemoryRebound(to:capacity:_:)'
3 | }
/Users/admin/builder/spi-builder-workspace/.build/checkouts/CwlPreconditionTesting/Sources/CwlPreconditionTesting/CwlBadInstructionException.swift:82:35: error: cannot find 'x86_thread_state64_t' in scope
80 |
81 | 		// Write the new thread state
82 | 		new_state.withMemoryRebound(to: x86_thread_state64_t.self, capacity: 1) { $0.pointee = state }
   |                                   `- error: cannot find 'x86_thread_state64_t' in scope
83 | 		new_stateCnt.pointee = x86_THREAD_STATE64_COUNT
84 |
[21/23] Emitting module CwlPreconditionTesting
/Users/admin/builder/spi-builder-workspace/.build/checkouts/CwlPreconditionTesting/Sources/CwlPreconditionTesting/CwlDarwinDefinitions.swift:44:59: error: cannot find type 'x86_thread_state64_t' in scope
42 | // #define x86_THREAD_STATE64_COUNT	((mach_msg_type_number_t) \
43 | //		( sizeof (x86_thread_state64_t) / sizeof (int) ))
44 | public let x86_THREAD_STATE64_COUNT = UInt32(MemoryLayout<x86_thread_state64_t>.size / MemoryLayout<Int32>.size)
   |                                                           `- error: cannot find type 'x86_thread_state64_t' in scope
45 |
46 | public let EXC_TYPES_COUNT = 14
Fetching https://github.com/mattgallagher/CwlPreconditionTesting.git
Fetching https://github.com/Quick/Nimble.git
Fetching https://github.com/mattgallagher/CwlCatchException.git
Fetching https://github.com/Quick/Quick.git
[1/1247] Fetching cwlpreconditiontesting
[151/1686] Fetching cwlpreconditiontesting, cwlcatchexception
Fetched https://github.com/mattgallagher/CwlCatchException.git from cache (0.91s)
Fetched https://github.com/mattgallagher/CwlPreconditionTesting.git from cache (0.91s)
[1/14549] Fetching quick
[7276/33189] Fetching quick, nimble
Fetched https://github.com/Quick/Quick.git from cache (1.66s)
[2796/18640] Fetching nimble
Fetched https://github.com/Quick/Nimble.git from cache (2.35s)
Computing version for https://github.com/Quick/Nimble.git
Computed https://github.com/Quick/Nimble.git at 8.0.5 (0.70s)
Computing version for https://github.com/Quick/Quick.git
Computed https://github.com/Quick/Quick.git at 2.2.0 (0.69s)
Computing version for https://github.com/mattgallagher/CwlPreconditionTesting.git
Computed https://github.com/mattgallagher/CwlPreconditionTesting.git at 1.2.0 (2.63s)
Computing version for https://github.com/mattgallagher/CwlCatchException.git
Computed https://github.com/mattgallagher/CwlCatchException.git at 1.2.0 (2.27s)
Creating working copy for https://github.com/mattgallagher/CwlPreconditionTesting.git
Working copy of https://github.com/mattgallagher/CwlPreconditionTesting.git resolved at 1.2.0
Creating working copy for https://github.com/Quick/Quick.git
Working copy of https://github.com/Quick/Quick.git resolved at 2.2.0
Creating working copy for https://github.com/mattgallagher/CwlCatchException.git
Working copy of https://github.com/mattgallagher/CwlCatchException.git resolved at 1.2.0
Creating working copy for https://github.com/Quick/Nimble.git
Working copy of https://github.com/Quick/Nimble.git resolved at 8.0.5
BUILD FAILURE 6.0 macosSpm
This is a staging environment. For live and up-to-date package information, visit swiftpackageindex.com.