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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 Weekday, reference master (a34015), with Swift 6.0 for macOS (SPM) on 31 Oct 2024 08:50:03 UTC.

Build Command

env DEVELOPER_DIR=/Applications/Xcode-16.1.0.app xcrun swift build --arch arm64 -Xswiftc -Xfrontend -Xswiftc -stats-output-dir -Xswiftc -Xfrontend -Xswiftc .stats -Xswiftc -strict-concurrency=complete

Build Log

========================================
RunAll
========================================
Builder version: 4.56.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/samnung/Weekday.swift.git
Reference: master
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/samnung/Weekday.swift
 * branch            master     -> FETCH_HEAD
 * [new branch]      master     -> origin/master
HEAD is now at a340152 chore: remove Gemfile.lock + specify version requirements
Cloned https://github.com/samnung/Weekday.swift.git
Revision (git rev-parse @):
a34015219884551261461e8f2e299d4222520507
SUCCESS checkout https://github.com/samnung/Weekday.swift.git at master
Fetching https://github.com/Quick/Nimble.git
Fetching https://github.com/Quick/Quick.git
Fetching https://github.com/mattgallagher/CwlPreconditionTesting.git
Fetching https://github.com/mattgallagher/CwlCatchException.git
[1/455] Fetching cwlcatchexception
[293/1712] Fetching cwlcatchexception, cwlpreconditiontesting
[1713/16435] Fetching cwlcatchexception, cwlpreconditiontesting, quick
[16436/35653] Fetching cwlcatchexception, cwlpreconditiontesting, quick, nimble
Fetched https://github.com/Quick/Quick.git from cache (2.66s)
Fetched https://github.com/Quick/Nimble.git from cache (2.66s)
Fetched https://github.com/mattgallagher/CwlPreconditionTesting.git from cache (2.66s)
Computing version for https://github.com/Quick/Quick.git
Fetched https://github.com/mattgallagher/CwlCatchException.git from cache (2.66s)
Computed https://github.com/Quick/Quick.git at 2.2.0 (0.72s)
Computing version for https://github.com/Quick/Nimble.git
Computed https://github.com/Quick/Nimble.git at 8.0.5 (0.67s)
Computing version for https://github.com/mattgallagher/CwlPreconditionTesting.git
Computed https://github.com/mattgallagher/CwlPreconditionTesting.git at 1.2.0 (2.62s)
Computing version for https://github.com/mattgallagher/CwlCatchException.git
Computed https://github.com/mattgallagher/CwlCatchException.git at 1.2.0 (2.47s)
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/Quick/Nimble.git
Working copy of https://github.com/Quick/Nimble.git resolved at 8.0.5
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/mattgallagher/CwlCatchException.git
Working copy of https://github.com/mattgallagher/CwlCatchException.git resolved at 1.2.0
========================================
ResolveProductDependencies
========================================
Resolving dependencies ...
{
  "identity": ".resolve-product-dependencies",
  "name": "resolve-dependencies",
  "url": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies",
  "version": "unspecified",
  "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies",
  "dependencies": [
    {
      "identity": "weekday.swift",
      "name": "Weekday",
      "url": "https://github.com/samnung/Weekday.swift.git",
      "version": "unspecified",
      "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/Weekday.swift",
      "dependencies": [
        {
          "identity": "nimble",
          "name": "Nimble",
          "url": "https://github.com/Quick/Nimble.git",
          "version": "8.1.2",
          "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/Nimble",
          "dependencies": [
          ]
        },
        {
          "identity": "quick",
          "name": "Quick",
          "url": "https://github.com/Quick/Quick.git",
          "version": "2.2.1",
          "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/Quick",
          "dependencies": [
            {
              "identity": "nimble",
              "name": "Nimble",
              "url": "https://github.com/Quick/Nimble.git",
              "version": "8.1.2",
              "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/Nimble",
              "dependencies": [
              ]
            }
          ]
        }
      ]
    }
  ]
}
Fetching https://github.com/samnung/Weekday.swift.git
[1/114] Fetching weekday.swift
Fetched https://github.com/samnung/Weekday.swift.git from cache (0.70s)
Fetching https://github.com/Quick/Quick.git from cache
Fetching https://github.com/Quick/Nimble.git from cache
Fetched https://github.com/Quick/Nimble.git from cache (0.58s)
Fetched https://github.com/Quick/Quick.git from cache (0.58s)
Computing version for https://github.com/Quick/Quick.git
Computed https://github.com/Quick/Quick.git at 2.2.1 (0.70s)
Computing version for https://github.com/Quick/Nimble.git
Computed https://github.com/Quick/Nimble.git at 8.1.2 (0.69s)
Creating working copy for https://github.com/samnung/Weekday.swift.git
Working copy of https://github.com/samnung/Weekday.swift.git resolved at master (a340152)
Creating working copy for https://github.com/Quick/Nimble.git
Working copy of https://github.com/Quick/Nimble.git resolved at 8.1.2
Creating working copy for https://github.com/Quick/Quick.git
Working copy of https://github.com/Quick/Quick.git resolved at 2.2.1
warning: '.resolve-product-dependencies': dependency 'weekday.swift' is not used by any target
Found 2 product dependencies
  - Nimble
  - Quick
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             6.0
Building package at path:  $PWD
https://github.com/samnung/Weekday.swift.git
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-16.1.0.app xcrun swift build --arch arm64 -Xswiftc -Xfrontend -Xswiftc -stats-output-dir -Xswiftc -Xfrontend -Xswiftc .stats -Xswiftc -strict-concurrency=complete
Building for debugging...
[0/13] Write sources
[3/13] Write swift-version--7754E27361AE5C74.txt
[4/15] Compiling CwlMachBadInstructionHandler mach_excServer.c
[5/15] Compiling OverrideLocale NSObject+MethodSwizzling.m
[6/15] Compiling CwlCatchExceptionSupport CwlCatchException.m
[7/15] Compiling OverrideLocale NSLocale+OverrideLocale.m
[8/17] Compiling CwlMachBadInstructionHandler CwlMachBadInstructionHandler.m
[10/17] Emitting module Weekday
[11/17] Compiling Weekday Weekday.swift
[12/17] Compiling CwlCatchException CwlCatchException.swift
[13/17] Emitting module CwlCatchException
[13/17] Write Objects.LinkFileList
[14/17] Linking libCwlCatchException.dylib
error: emit-module command failed with exit code 1 (use -v to see invocation)
[16/21] 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
[17/21] 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 |
[18/21] 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 |
[19/21] 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
BUILD FAILURE 6.0 macosSpm