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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 sLaunchctl, reference 0.3.2 (3055d4), with Swift 6.0 for macOS (SPM) on 4 Nov 2024 06:20:14 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/Alkenso/sLaunchctl.git
Reference: 0.3.2
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/Alkenso/sLaunchctl
 * tag               0.3.2      -> FETCH_HEAD
HEAD is now at 3055d43 Bump min supported version to 10.15
Cloned https://github.com/Alkenso/sLaunchctl.git
Revision (git rev-parse @):
3055d43bd79ba34f013f0add76e0bee5b5a1acce
SUCCESS checkout https://github.com/Alkenso/sLaunchctl.git at 0.3.2
Fetching https://github.com/Alkenso/SwiftSpellbook.git
[1/3082] Fetching swiftspellbook
Fetched https://github.com/Alkenso/SwiftSpellbook.git from cache (1.05s)
Computing version for https://github.com/Alkenso/SwiftSpellbook.git
Computed https://github.com/Alkenso/SwiftSpellbook.git at 0.4.2 (0.64s)
Creating working copy for https://github.com/Alkenso/SwiftSpellbook.git
Working copy of https://github.com/Alkenso/SwiftSpellbook.git resolved at 0.4.2
========================================
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": "slaunchctl",
      "name": "sLaunchctl",
      "url": "https://github.com/Alkenso/sLaunchctl.git",
      "version": "unspecified",
      "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/sLaunchctl",
      "dependencies": [
        {
          "identity": "swiftspellbook",
          "name": "SwiftSpellbook",
          "url": "https://github.com/Alkenso/SwiftSpellbook.git",
          "version": "0.4.2",
          "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/SwiftSpellbook",
          "dependencies": [
          ]
        }
      ]
    }
  ]
}
Fetching https://github.com/Alkenso/sLaunchctl.git
[1/150] Fetching slaunchctl
Fetched https://github.com/Alkenso/sLaunchctl.git from cache (0.67s)
Fetching https://github.com/Alkenso/SwiftSpellbook.git from cache
Fetched https://github.com/Alkenso/SwiftSpellbook.git from cache (0.49s)
Computing version for https://github.com/Alkenso/SwiftSpellbook.git
Computed https://github.com/Alkenso/SwiftSpellbook.git at 0.4.2 (0.03s)
Creating working copy for https://github.com/Alkenso/SwiftSpellbook.git
Working copy of https://github.com/Alkenso/SwiftSpellbook.git resolved at 0.4.2
Creating working copy for https://github.com/Alkenso/sLaunchctl.git
Working copy of https://github.com/Alkenso/sLaunchctl.git resolved at 0.3.2 (3055d43)
warning: '.resolve-product-dependencies': dependency 'slaunchctl' is not used by any target
Found 1 product dependencies
  - SwiftSpellbook
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             6.0
Building package at path:  $PWD
https://github.com/Alkenso/sLaunchctl.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...
[0/4] Write sources
[2/4] Write swift-version--7754E27361AE5C74.txt
[3/4] Compiling SpellbookFoundationObjC SpellbookObjC.mm
[5/59] Emitting module SpellbookFoundation
[6/65] Compiling SpellbookFoundation SBUnit.swift
[7/65] Compiling SpellbookFoundation SpellbookLog.swift
[8/65] Compiling SpellbookFoundation Utils.swift
[9/65] Compiling SpellbookFoundation WildcardExpression.swift
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[17/65] Compiling SpellbookFoundation ConcurrentBlockOperation.swift
[18/65] Compiling SpellbookFoundation BinaryParsingError.swift
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[27/65] Compiling SpellbookFoundation PosixLocks.swift
[28/65] Compiling SpellbookFoundation SynchronizationUtils.swift
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[33/65] Compiling SpellbookFoundation CommonError.swift
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[37/65] Compiling SpellbookFoundation Extensions - Bundle.swift
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[65/65] Compiling SpellbookFoundation POD+Swift.swift
error: emit-module command failed with exit code 1 (use -v to see invocation)
[66/71] Emitting module sLaunchctl
/Users/admin/builder/spi-builder-workspace/Sources/sLaunchctl/Internals/Utils.swift:35:20: error: extra argument 'arguments' in call
33 |     let (exitCode, stdout, stderr) = Process.launch(
34 |         tool: URL(fileURLWithPath: "/bin/launchctl"),
35 |         arguments: args
   |                    `- error: extra argument 'arguments' in call
36 |     )
37 |     guard exitCode == 0 || exitCode == EINPROGRESS else {
/Users/admin/builder/spi-builder-workspace/Sources/sLaunchctl/Internals/Utils.swift:34:15: error: cannot convert value of type 'URL' to expected argument type 'Process'
32 | internal var runLaunchctlFn = { (_ args: [String]) throws -> String in
33 |     let (exitCode, stdout, stderr) = Process.launch(
34 |         tool: URL(fileURLWithPath: "/bin/launchctl"),
   |               `- error: cannot convert value of type 'URL' to expected argument type 'Process'
35 |         arguments: args
36 |     )
/Users/admin/builder/spi-builder-workspace/Sources/sLaunchctl/Internals/Utils.swift:33:46: error: cannot convert value of type '() -> Void' to specified type '(_, _, _)'
31 |
32 | internal var runLaunchctlFn = { (_ args: [String]) throws -> String in
33 |     let (exitCode, stdout, stderr) = Process.launch(
   |                                              `- error: cannot convert value of type '() -> Void' to specified type '(_, _, _)'
34 |         tool: URL(fileURLWithPath: "/bin/launchctl"),
35 |         arguments: args
/Users/admin/builder/spi-builder-workspace/Sources/sLaunchctl/Internals/Utils.swift:32:14: warning: var 'runLaunchctlFn' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
30 | }
31 |
32 | internal var runLaunchctlFn = { (_ args: [String]) throws -> String in
   |              |- warning: var 'runLaunchctlFn' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
   |              |- note: convert 'runLaunchctlFn' to a 'let' constant to make 'Sendable' shared state immutable
   |              |- note: annotate 'runLaunchctlFn' with '@MainActor' if property should only be accessed from the main actor
   |              `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
33 |     let (exitCode, stdout, stderr) = Process.launch(
34 |         tool: URL(fileURLWithPath: "/bin/launchctl"),
[67/71] Compiling sLaunchctl Error.swift
[68/71] Compiling sLaunchctl OutputParser.swift
[69/71] Compiling sLaunchctl Launchctl.swift
/Users/admin/builder/spi-builder-workspace/Sources/sLaunchctl/Launchctl.swift:34:46: error: cannot find 'UnixUser' in scope
 32 |
 33 |     /// Launchctl instance for gui domain target of currently logged in user.
 34 |     public static func gui() -> Launchctl? { UnixUser.currentSession.flatMap { .gui($0.uid) } }
    |                                              `- error: cannot find 'UnixUser' in scope
 35 | }
 36 |
/Users/admin/builder/spi-builder-workspace/Sources/sLaunchctl/Launchctl.swift:34:81: error: cannot infer contextual base in reference to member 'gui'
 32 |
 33 |     /// Launchctl instance for gui domain target of currently logged in user.
 34 |     public static func gui() -> Launchctl? { UnixUser.currentSession.flatMap { .gui($0.uid) } }
    |                                                                                 `- error: cannot infer contextual base in reference to member 'gui'
 35 | }
 36 |
[70/71] Compiling sLaunchctl Service.swift
[71/71] Compiling sLaunchctl Utils.swift
/Users/admin/builder/spi-builder-workspace/Sources/sLaunchctl/Internals/Utils.swift:35:20: error: extra argument 'arguments' in call
33 |     let (exitCode, stdout, stderr) = Process.launch(
34 |         tool: URL(fileURLWithPath: "/bin/launchctl"),
35 |         arguments: args
   |                    `- error: extra argument 'arguments' in call
36 |     )
37 |     guard exitCode == 0 || exitCode == EINPROGRESS else {
/Users/admin/builder/spi-builder-workspace/Sources/sLaunchctl/Internals/Utils.swift:34:15: error: cannot convert value of type 'URL' to expected argument type 'Process'
32 | internal var runLaunchctlFn = { (_ args: [String]) throws -> String in
33 |     let (exitCode, stdout, stderr) = Process.launch(
34 |         tool: URL(fileURLWithPath: "/bin/launchctl"),
   |               `- error: cannot convert value of type 'URL' to expected argument type 'Process'
35 |         arguments: args
36 |     )
/Users/admin/builder/spi-builder-workspace/Sources/sLaunchctl/Internals/Utils.swift:33:46: error: cannot convert value of type '() -> Void' to specified type '(_, _, _)'
31 |
32 | internal var runLaunchctlFn = { (_ args: [String]) throws -> String in
33 |     let (exitCode, stdout, stderr) = Process.launch(
   |                                              `- error: cannot convert value of type '() -> Void' to specified type '(_, _, _)'
34 |         tool: URL(fileURLWithPath: "/bin/launchctl"),
35 |         arguments: args
/Users/admin/builder/spi-builder-workspace/Sources/sLaunchctl/Internals/Utils.swift:32:14: warning: var 'runLaunchctlFn' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
30 | }
31 |
32 | internal var runLaunchctlFn = { (_ args: [String]) throws -> String in
   |              |- warning: var 'runLaunchctlFn' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
   |              |- note: convert 'runLaunchctlFn' to a 'let' constant to make 'Sendable' shared state immutable
   |              |- note: annotate 'runLaunchctlFn' with '@MainActor' if property should only be accessed from the main actor
   |              `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
33 |     let (exitCode, stdout, stderr) = Process.launch(
34 |         tool: URL(fileURLWithPath: "/bin/launchctl"),
BUILD FAILURE 6.0 macosSpm