Swift Package IndexBuild Information
Successful build of AirbnbSwift, reference master (637bc3), with Swift 6.1 for macOS (SPM) on 30 Apr 2026 07:17:02 UTC.
Swift 6 data race errors: 2
Build Command
env DEVELOPER_DIR=/Applications/Xcode-16.3.0.app xcrun swift build --arch arm64 -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 InferSendableFromCapturesBuild Log
========================================
RunAll
========================================
Builder version: 4.70.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/airbnb/swift.git
Reference: master
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/airbnb/swift
* branch master -> FETCH_HEAD
* [new branch] master -> origin/master
HEAD is now at 637bc34 Add rule to wrap switch case bodies (#379)
Cloned https://github.com/airbnb/swift.git
Revision (git rev-parse @):
637bc34b7a098fca6e39eb5c4a92e06f3342088c
SUCCESS checkout https://github.com/airbnb/swift.git at master
========================================
Build
========================================
Selected platform: macosSpm
Swift version: 6.1
Building package at path: $PWD
https://github.com/airbnb/swift.git
https://github.com/airbnb/swift.git
{
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"AirbnbSwiftFormatTool"
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"targets" : [
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{
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{
"c99name" : "AirbnbSwiftFormatTool",
"module_type" : "SwiftTarget",
"name" : "AirbnbSwiftFormatTool",
"path" : "Sources/AirbnbSwiftFormatTool",
"product_dependencies" : [
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"resources" : [
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"rule" : {
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Running build ...
env DEVELOPER_DIR=/Applications/Xcode-16.3.0.app xcrun swift build --arch arm64 -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
[1/1] Compiling plugin FormatSwift
[2/2] Compiling plugin GenerateManual
[3/3] Compiling plugin GenerateDoccReference
Building for debugging...
[3/22] Write sources
[3/22] Copying airbnb.swiftformat
[3/22] Write sources
[9/22] Copying swiftlint.yml
[9/22] Copying airbnb.swiftformat
[9/22] Copying swiftlint.yml
[10/22] Write sources
[13/22] Write AirbnbSwiftFormatTool-tool-entitlement.plist
[13/22] Write AirbnbSwiftFormatTool-entitlement.plist
[15/22] Write swift-version-2F0A5646E1D333AE.txt
[17/26] Emitting module ArgumentParserToolInfo
[18/26] Compiling ArgumentParserToolInfo ToolInfo.swift
[20/26] Emitting module ArgumentParserToolInfo
[21/120] Compiling ArgumentParser InputKey.swift
[22/120] Compiling ArgumentParser InputOrigin.swift
[23/120] Compiling ArgumentParser Name.swift
[24/120] Compiling ArgumentParser Parsed.swift
[25/120] Compiling ArgumentParser ParsedValues.swift
[26/125] Emitting module ArgumentParser
[27/125] Compiling ArgumentParser BashCompletionsGenerator.swift
[28/125] Compiling ArgumentParser CompletionsGenerator.swift
[29/125] Compiling ArgumentParser FishCompletionsGenerator.swift
[30/125] Compiling ArgumentParser ZshCompletionsGenerator.swift
[31/125] Compiling ArgumentParser Argument.swift
[32/130] Emitting module ArgumentParser
[33/130] Compiling ArgumentParser CodingKeyValidator.swift
[34/130] Compiling ArgumentParser NonsenseFlagsValidator.swift
[35/130] Compiling ArgumentParser ParsableArgumentsValidation.swift
[36/130] Compiling ArgumentParser PositionalArgumentsValidator.swift
[37/130] Compiling ArgumentParser UniqueNamesValidator.swift
[38/130] Compiling ArgumentParser AsyncParsableCommand.swift
[39/130] Compiling ArgumentParser CommandConfiguration.swift
[40/130] Compiling ArgumentParser CommandGroup.swift
[41/130] Compiling ArgumentParser EnumerableFlag.swift
[42/130] Compiling ArgumentParser ExpressibleByArgument.swift
[48/130] Compiling ArgumentParser ArgumentDiscussion.swift
[54/130] Compiling ArgumentParser CommandParser.swift
[55/130] Compiling ArgumentParser Platform.swift
[56/130] Compiling ArgumentParser SequenceExtensions.swift
[57/130] Compiling ArgumentParser StringExtensions.swift
[58/130] Compiling ArgumentParser SwiftExtensions.swift
[59/130] Compiling ArgumentParser Tree.swift
[60/130] Compiling ArgumentParser MessageInfo.swift
[61/130] Compiling ArgumentParser UsageGenerator.swift
[62/130] Compiling ArgumentParser CollectionExtensions.swift
[63/130] Compiling ArgumentParser Foundation.swift
[64/130] Compiling ArgumentParser Mutex.swift
[66/130] Compiling ArgumentParser NameSpecification.swift
[67/130] Compiling ArgumentParser Option.swift
[68/130] Compiling ArgumentParser OptionGroup.swift
[69/130] Compiling ArgumentParser ParentCommand.swift
[75/130] Compiling ArgumentParser ParserError.swift
[76/130] Compiling ArgumentParser SplitArguments.swift
[77/130] Compiling ArgumentParser DumpHelpGenerator.swift
[78/130] Compiling ArgumentParser HelpCommand.swift
[79/130] Compiling ArgumentParser HelpGenerator.swift
[84/130] Compiling ArgumentParser ParsableArguments.swift
[90/130] Compiling ArgumentParser ArgumentHelp.swift
[91/130] Compiling ArgumentParser ArgumentVisibility.swift
[92/130] Compiling ArgumentParser CompletionKind.swift
[94/130] Compiling ArgumentParser Errors.swift
[96/130] Compiling ArgumentParser Flag.swift
[105/130] Compiling ArgumentParser ParsableCommand.swift
[106/130] Compiling ArgumentParser ArgumentDecoder.swift
[107/130] Compiling ArgumentParser ArgumentDefinition.swift
[108/130] Compiling ArgumentParser ArgumentSet.swift
[125/138] Compiling AirbnbSwiftFormatTool resource_bundle_accessor.swift
[127/138] Emitting module AirbnbSwiftFormatTool
/Users/admin/builder/spi-builder-workspace/Sources/AirbnbSwiftFormatTool/Command.swift:12:14: warning: static property 'runCommand' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
10 |
11 | /// This property can be overridden to provide a mock implementation in unit tests.
12 | static var runCommand: (Command) throws -> Int32 = { try $0.executeShellCommand() }
| |- warning: static property 'runCommand' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
| |- note: convert 'runCommand' to a 'let' constant to make 'Sendable' shared state immutable
| |- note: add '@MainActor' to make static property 'runCommand' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
13 |
14 | let log: Bool
[128/138] Compiling AirbnbSwiftFormatTool Command.swift
/Users/admin/builder/spi-builder-workspace/Sources/AirbnbSwiftFormatTool/Command.swift:12:14: warning: static property 'runCommand' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
10 |
11 | /// This property can be overridden to provide a mock implementation in unit tests.
12 | static var runCommand: (Command) throws -> Int32 = { try $0.executeShellCommand() }
| |- warning: static property 'runCommand' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
| |- note: convert 'runCommand' to a 'let' constant to make 'Sendable' shared state immutable
| |- note: add '@MainActor' to make static property 'runCommand' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
13 |
14 | let log: Bool
[129/138] Emitting module AirbnbSwiftFormatTool
/Users/admin/builder/spi-builder-workspace/Sources/AirbnbSwiftFormatTool/Command.swift:12:14: warning: static property 'runCommand' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
10 |
11 | /// This property can be overridden to provide a mock implementation in unit tests.
12 | static var runCommand: (Command) throws -> Int32 = { try $0.executeShellCommand() }
| |- warning: static property 'runCommand' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
| |- note: convert 'runCommand' to a 'let' constant to make 'Sendable' shared state immutable
| |- note: add '@MainActor' to make static property 'runCommand' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
13 |
14 | let log: Bool
[130/138] Compiling AirbnbSwiftFormatTool Command.swift
/Users/admin/builder/spi-builder-workspace/Sources/AirbnbSwiftFormatTool/Command.swift:12:14: warning: static property 'runCommand' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
10 |
11 | /// This property can be overridden to provide a mock implementation in unit tests.
12 | static var runCommand: (Command) throws -> Int32 = { try $0.executeShellCommand() }
| |- warning: static property 'runCommand' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
| |- note: convert 'runCommand' to a 'let' constant to make 'Sendable' shared state immutable
| |- note: add '@MainActor' to make static property 'runCommand' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
13 |
14 | let log: Bool
[131/138] Compiling AirbnbSwiftFormatTool AirbnbSwiftFormatTool.swift
[131/138] Write Objects.LinkFileList
[133/138] Compiling AirbnbSwiftFormatTool AirbnbSwiftFormatTool.swift
[133/138] Write Objects.LinkFileList
[134/138] Linking AirbnbSwiftFormatTool
[135/138] Linking AirbnbSwiftFormatTool-tool
[136/138] Applying AirbnbSwiftFormatTool
[137/138] Applying AirbnbSwiftFormatTool-tool
Build complete! (16.24s)
Fetching https://github.com/apple/swift-argument-parser from cache
Fetched https://github.com/apple/swift-argument-parser from cache (1.44s)
Computing version for https://github.com/apple/swift-argument-parser
Computed https://github.com/apple/swift-argument-parser at 1.7.1 (2.01s)
Creating working copy for https://github.com/apple/swift-argument-parser
Working copy of https://github.com/apple/swift-argument-parser resolved at 1.7.1
Downloading binary artifact https://github.com/calda/SwiftFormat-nightly/releases/download/2026-04-27/SwiftFormat.artifactbundle.zip
Downloading binary artifact https://github.com/realm/SwiftLint/releases/download/0.62.2/SwiftLintBinary.artifactbundle.zip
[16375/46530670] Downloading https://github.com/calda/SwiftFormat-nightly/releases/download/2026-04-27/SwiftFormat.artifactbundle.zip
[12798606/118522130] Downloading https://github.com/calda/SwiftFormat-nightly/releases/download/2026-04-27/SwiftFormat.artifactbundle.zip, https://github.com/realm/SwiftLint/releases/download/0.62.2/SwiftLintBinary.artifactbundle.zip
Downloaded https://github.com/calda/SwiftFormat-nightly/releases/download/2026-04-27/SwiftFormat.artifactbundle.zip (2.82s)
Downloaded https://github.com/realm/SwiftLint/releases/download/0.62.2/SwiftLintBinary.artifactbundle.zip (3.73s)
Build complete.
{
"dependencies" : [
{
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"requirement" : {
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Done.