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Build Information

Successful build of SPMArgumentParser with Swift 6.0 for macOS (SPM).

Swift 6 data race errors: 10

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/nikstar/spm-argument-parser.git
Reference: master
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/nikstar/spm-argument-parser
 * branch            master     -> FETCH_HEAD
 * [new branch]      master     -> origin/master
HEAD is now at e3c4895 Merge pull request #1 from nikstar/stripped
Cloned https://github.com/nikstar/spm-argument-parser.git
Revision (git rev-parse @):
e3c4895261730adf46ab012af05a3729871a15a1
SUCCESS checkout https://github.com/nikstar/spm-argument-parser.git at master
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             6.0
Building package at path:  $workDir
https://github.com/nikstar/spm-argument-parser.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...
[0/5] Write sources
[3/5] Compiling clibc libc.c
[4/5] Write swift-version-6F35C1178C84523A.txt
[6/7] Emitting module SPMLibc
[7/7] Compiling SPMLibc libc.swift
[8/20] Compiling Basic Path.swift
/Users/admin/builder/spi-builder-workspace/Sources/Basic/Path.swift:208:23: warning: static property 'root' is not concurrency-safe because non-'Sendable' type 'AbsolutePath' may have shared mutable state; this is an error in the Swift 6 language mode
 29 | /// not the program being invoked (e.g. when invoking `cd ~`, it is the shell
 30 | /// that evaluates the tilde; the `cd` command receives an absolute path).
 31 | public struct AbsolutePath: Hashable {
    |               `- note: consider making struct 'AbsolutePath' conform to the 'Sendable' protocol
 32 |     /// Check if the given name is a valid individual path component.
 33 |     ///
    :
206 |
207 |     /// Root directory (whose string representation is just a path separator).
208 |     public static let root = AbsolutePath("/")
    |                       |- warning: static property 'root' is not concurrency-safe because non-'Sendable' type 'AbsolutePath' may have shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: annotate 'root' 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
209 |
210 |     /// Normalized string representation (the normalization rules are described
[9/21] Compiling Basic Tuple.swift
[10/21] Compiling Basic StringConversions.swift
[11/21] Compiling Basic FileSystem.swift
/Users/admin/builder/spi-builder-workspace/Sources/Basic/FileSystem.swift:772:12: warning: var 'localFileSystem' is not concurrency-safe because it is non-isolated global shared mutable state; this is an error in the Swift 6 language mode
770 |
771 | /// Public access to the local FS proxy.
772 | public var localFileSystem: FileSystem = LocalFileSystem()
    |            |- warning: var 'localFileSystem' is not concurrency-safe because it is non-isolated global shared mutable state; this is an error in the Swift 6 language mode
    |            |- note: convert 'localFileSystem' to a 'let' constant to make 'Sendable' shared state immutable
    |            |- note: annotate 'localFileSystem' 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
773 |
774 | extension FileSystem {
/Users/admin/builder/spi-builder-workspace/Sources/Basic/Path.swift:208:23: warning: static property 'root' is not concurrency-safe because non-'Sendable' type 'AbsolutePath' may have shared mutable state; this is an error in the Swift 6 language mode
 29 | /// not the program being invoked (e.g. when invoking `cd ~`, it is the shell
 30 | /// that evaluates the tilde; the `cd` command receives an absolute path).
 31 | public struct AbsolutePath: Hashable {
    |               `- note: consider making struct 'AbsolutePath' conform to the 'Sendable' protocol
 32 |     /// Check if the given name is a valid individual path component.
 33 |     ///
    :
206 |
207 |     /// Root directory (whose string representation is just a path separator).
208 |     public static let root = AbsolutePath("/")
    |                       |- warning: static property 'root' is not concurrency-safe because non-'Sendable' type 'AbsolutePath' may have shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: annotate 'root' 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
209 |
210 |     /// Normalized string representation (the normalization rules are described
[12/21] Compiling Basic FileInfo.swift
[13/21] Compiling Basic PathShims.swift
/Users/admin/builder/spi-builder-workspace/Sources/Basic/FileSystem.swift:772:12: warning: var 'localFileSystem' is not concurrency-safe because it is non-isolated global shared mutable state; this is an error in the Swift 6 language mode
770 |
771 | /// Public access to the local FS proxy.
772 | public var localFileSystem: FileSystem = LocalFileSystem()
    |            |- warning: var 'localFileSystem' is not concurrency-safe because it is non-isolated global shared mutable state; this is an error in the Swift 6 language mode
    |            |- note: convert 'localFileSystem' to a 'let' constant to make 'Sendable' shared state immutable
    |            |- note: annotate 'localFileSystem' 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
773 |
774 | extension FileSystem {
[14/21] Compiling Basic OutputByteStream.swift
/Users/admin/builder/spi-builder-workspace/Sources/Basic/OutputByteStream.swift:740:12: warning: var 'stdoutStream' is not concurrency-safe because it is non-isolated global shared mutable state; this is an error in the Swift 6 language mode
738 |
739 | /// Public stdout stream instance.
740 | public var stdoutStream: ThreadSafeOutputByteStream = try! ThreadSafeOutputByteStream(LocalFileOutputByteStream(
    |            |- warning: var 'stdoutStream' is not concurrency-safe because it is non-isolated global shared mutable state; this is an error in the Swift 6 language mode
    |            |- note: convert 'stdoutStream' to a 'let' constant to make 'Sendable' shared state immutable
    |            |- note: annotate 'stdoutStream' 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
741 |     filePointer: SPMLibc.stdout,
742 |     closeOnDeinit: false))
/Users/admin/builder/spi-builder-workspace/Sources/Basic/OutputByteStream.swift:745:12: warning: var 'stderrStream' is not concurrency-safe because it is non-isolated global shared mutable state; this is an error in the Swift 6 language mode
743 |
744 | /// Public stderr stream instance.
745 | public var stderrStream: ThreadSafeOutputByteStream = try! ThreadSafeOutputByteStream(LocalFileOutputByteStream(
    |            |- warning: var 'stderrStream' is not concurrency-safe because it is non-isolated global shared mutable state; this is an error in the Swift 6 language mode
    |            |- note: convert 'stderrStream' to a 'let' constant to make 'Sendable' shared state immutable
    |            |- note: annotate 'stderrStream' 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
746 |     filePointer: SPMLibc.stderr,
747 |     closeOnDeinit: false))
[15/21] Emitting module Basic
/Users/admin/builder/spi-builder-workspace/Sources/Basic/FileSystem.swift:772:12: warning: var 'localFileSystem' is not concurrency-safe because it is non-isolated global shared mutable state; this is an error in the Swift 6 language mode
770 |
771 | /// Public access to the local FS proxy.
772 | public var localFileSystem: FileSystem = LocalFileSystem()
    |            |- warning: var 'localFileSystem' is not concurrency-safe because it is non-isolated global shared mutable state; this is an error in the Swift 6 language mode
    |            |- note: convert 'localFileSystem' to a 'let' constant to make 'Sendable' shared state immutable
    |            |- note: annotate 'localFileSystem' 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
773 |
774 | extension FileSystem {
/Users/admin/builder/spi-builder-workspace/Sources/Basic/Path.swift:208:23: warning: static property 'root' is not concurrency-safe because non-'Sendable' type 'AbsolutePath' may have shared mutable state; this is an error in the Swift 6 language mode
 29 | /// not the program being invoked (e.g. when invoking `cd ~`, it is the shell
 30 | /// that evaluates the tilde; the `cd` command receives an absolute path).
 31 | public struct AbsolutePath: Hashable {
    |               `- note: consider making struct 'AbsolutePath' conform to the 'Sendable' protocol
 32 |     /// Check if the given name is a valid individual path component.
 33 |     ///
    :
206 |
207 |     /// Root directory (whose string representation is just a path separator).
208 |     public static let root = AbsolutePath("/")
    |                       |- warning: static property 'root' is not concurrency-safe because non-'Sendable' type 'AbsolutePath' may have shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: annotate 'root' 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
209 |
210 |     /// Normalized string representation (the normalization rules are described
/Users/admin/builder/spi-builder-workspace/Sources/Basic/OutputByteStream.swift:740:12: warning: var 'stdoutStream' is not concurrency-safe because it is non-isolated global shared mutable state; this is an error in the Swift 6 language mode
738 |
739 | /// Public stdout stream instance.
740 | public var stdoutStream: ThreadSafeOutputByteStream = try! ThreadSafeOutputByteStream(LocalFileOutputByteStream(
    |            |- warning: var 'stdoutStream' is not concurrency-safe because it is non-isolated global shared mutable state; this is an error in the Swift 6 language mode
    |            |- note: convert 'stdoutStream' to a 'let' constant to make 'Sendable' shared state immutable
    |            |- note: annotate 'stdoutStream' 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
741 |     filePointer: SPMLibc.stdout,
742 |     closeOnDeinit: false))
/Users/admin/builder/spi-builder-workspace/Sources/Basic/OutputByteStream.swift:745:12: warning: var 'stderrStream' is not concurrency-safe because it is non-isolated global shared mutable state; this is an error in the Swift 6 language mode
743 |
744 | /// Public stderr stream instance.
745 | public var stderrStream: ThreadSafeOutputByteStream = try! ThreadSafeOutputByteStream(LocalFileOutputByteStream(
    |            |- warning: var 'stderrStream' is not concurrency-safe because it is non-isolated global shared mutable state; this is an error in the Swift 6 language mode
    |            |- note: convert 'stderrStream' to a 'let' constant to make 'Sendable' shared state immutable
    |            |- note: annotate 'stderrStream' 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
746 |     filePointer: SPMLibc.stderr,
747 |     closeOnDeinit: false))
[16/21] Compiling Basic ByteString.swift
[17/21] Compiling Basic CollectionAlgorithms.swift
[18/21] Compiling Basic DictionaryLiteralExtensions.swift
[19/21] Compiling Basic EditDistance.swift
[20/21] Compiling Basic CollectionExtensions.swift
[21/21] Compiling Basic DictionaryExtensions.swift
[22/26] Compiling SPMArgumentParser CollectionExtensions.swift
[23/26] Compiling SPMArgumentParser StringExtensions.swift
[24/26] Compiling SPMArgumentParser ArgumentParserShellCompletion.swift
[25/26] Emitting module SPMArgumentParser
/Users/admin/builder/spi-builder-workspace/Sources/SPMArgumentParser/ArgumentParser.swift:31:10: warning: associated value 'expectedArguments' of 'Sendable'-conforming enum 'ArgumentParserError' has non-sendable type 'ArgumentParser'; this is an error in the Swift 6 language mode
  29 |
  30 |     /// Expected these positional arguments but not found.
  31 |     case expectedArguments(ArgumentParser, [String])
     |          `- warning: associated value 'expectedArguments' of 'Sendable'-conforming enum 'ArgumentParserError' has non-sendable type 'ArgumentParser'; this is an error in the Swift 6 language mode
  32 |
  33 |     /// Expected a single argument but got multiple ones.
     :
 524 | /// Argument parser struct responsible to parse the provided array of arguments
 525 | /// and return the parsed result.
 526 | public final class ArgumentParser {
     |                    `- note: class 'ArgumentParser' does not conform to the 'Sendable' protocol
 527 |
 528 |     /// A class representing result of the parsed arguments.
/Users/admin/builder/spi-builder-workspace/Sources/SPMArgumentParser/ArgumentParser.swift:123:23: warning: static property 'completion' is not concurrency-safe because it is non-isolated global shared mutable state; this is an error in the Swift 6 language mode
 121 |     case zsh
 122 |
 123 |     public static var completion: ShellCompletion = .values([
     |                       |- warning: static property 'completion' is not concurrency-safe because it is non-isolated global shared mutable state; this is an error in the Swift 6 language mode
     |                       |- note: convert 'completion' to a 'let' constant to make 'Sendable' shared state immutable
     |                       |- note: annotate 'completion' 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
 124 |         (bash.rawValue, "generate completion script for Bourne-again shell"),
 125 |         (zsh.rawValue, "generate completion script for Z shell"),
/Users/admin/builder/spi-builder-workspace/Sources/SPMArgumentParser/ArgumentParser.swift:166:23: warning: static property 'completion' is not concurrency-safe because non-'Sendable' type 'ShellCompletion' may have shared mutable state; this is an error in the Swift 6 language mode
 128 |
 129 | /// Various shell completions modes supplied by ArgumentKind.
 130 | public enum ShellCompletion {
     |             `- note: consider making enum 'ShellCompletion' conform to the 'Sendable' protocol
 131 |     /// Offers no completions at all; e.g. for a string identifier.
 132 |     case none
     :
 164 |     }
 165 |
 166 |     public static let completion: ShellCompletion = .none
     |                       |- warning: static property 'completion' is not concurrency-safe because non-'Sendable' type 'ShellCompletion' may have shared mutable state; this is an error in the Swift 6 language mode
     |                       |- note: annotate 'completion' 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
 167 | }
 168 |
/Users/admin/builder/spi-builder-workspace/Sources/SPMArgumentParser/ArgumentParser.swift:178:23: warning: static property 'completion' is not concurrency-safe because non-'Sendable' type 'ShellCompletion' may have shared mutable state; this is an error in the Swift 6 language mode
 128 |
 129 | /// Various shell completions modes supplied by ArgumentKind.
 130 | public enum ShellCompletion {
     |             `- note: consider making enum 'ShellCompletion' conform to the 'Sendable' protocol
 131 |     /// Offers no completions at all; e.g. for a string identifier.
 132 |     case none
     :
 176 |     }
 177 |
 178 |     public static let completion: ShellCompletion = .none
     |                       |- warning: static property 'completion' is not concurrency-safe because non-'Sendable' type 'ShellCompletion' may have shared mutable state; this is an error in the Swift 6 language mode
     |                       |- note: annotate 'completion' 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
 179 | }
 180 |
/Users/admin/builder/spi-builder-workspace/Sources/SPMArgumentParser/ArgumentParser.swift:193:23: warning: static property 'completion' is not concurrency-safe because it is non-isolated global shared mutable state; this is an error in the Swift 6 language mode
 191 |     }
 192 |
 193 |     public static var completion: ShellCompletion = .unspecified
     |                       |- warning: static property 'completion' is not concurrency-safe because it is non-isolated global shared mutable state; this is an error in the Swift 6 language mode
     |                       |- note: convert 'completion' to a 'let' constant to make 'Sendable' shared state immutable
     |                       |- note: annotate 'completion' 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
 194 | }
 195 |
/Users/admin/builder/spi-builder-workspace/Sources/SPMArgumentParser/ArgumentParser.swift:229:23: warning: static property 'completion' is not concurrency-safe because it is non-isolated global shared mutable state; this is an error in the Swift 6 language mode
 227 |     }
 228 |
 229 |     public static var completion: ShellCompletion = .filename
     |                       |- warning: static property 'completion' is not concurrency-safe because it is non-isolated global shared mutable state; this is an error in the Swift 6 language mode
     |                       |- note: convert 'completion' to a 'let' constant to make 'Sendable' shared state immutable
     |                       |- note: annotate 'completion' 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
 230 | }
 231 |
[26/26] Compiling SPMArgumentParser ArgumentParser.swift
/Users/admin/builder/spi-builder-workspace/Sources/SPMArgumentParser/ArgumentParser.swift:31:10: warning: associated value 'expectedArguments' of 'Sendable'-conforming enum 'ArgumentParserError' has non-sendable type 'ArgumentParser'; this is an error in the Swift 6 language mode
  29 |
  30 |     /// Expected these positional arguments but not found.
  31 |     case expectedArguments(ArgumentParser, [String])
     |          `- warning: associated value 'expectedArguments' of 'Sendable'-conforming enum 'ArgumentParserError' has non-sendable type 'ArgumentParser'; this is an error in the Swift 6 language mode
  32 |
  33 |     /// Expected a single argument but got multiple ones.
     :
 524 | /// Argument parser struct responsible to parse the provided array of arguments
 525 | /// and return the parsed result.
 526 | public final class ArgumentParser {
     |                    `- note: class 'ArgumentParser' does not conform to the 'Sendable' protocol
 527 |
 528 |     /// A class representing result of the parsed arguments.
/Users/admin/builder/spi-builder-workspace/Sources/SPMArgumentParser/ArgumentParser.swift:123:23: warning: static property 'completion' is not concurrency-safe because it is non-isolated global shared mutable state; this is an error in the Swift 6 language mode
 121 |     case zsh
 122 |
 123 |     public static var completion: ShellCompletion = .values([
     |                       |- warning: static property 'completion' is not concurrency-safe because it is non-isolated global shared mutable state; this is an error in the Swift 6 language mode
     |                       |- note: convert 'completion' to a 'let' constant to make 'Sendable' shared state immutable
     |                       |- note: annotate 'completion' 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
 124 |         (bash.rawValue, "generate completion script for Bourne-again shell"),
 125 |         (zsh.rawValue, "generate completion script for Z shell"),
/Users/admin/builder/spi-builder-workspace/Sources/SPMArgumentParser/ArgumentParser.swift:166:23: warning: static property 'completion' is not concurrency-safe because non-'Sendable' type 'ShellCompletion' may have shared mutable state; this is an error in the Swift 6 language mode
 128 |
 129 | /// Various shell completions modes supplied by ArgumentKind.
 130 | public enum ShellCompletion {
     |             `- note: consider making enum 'ShellCompletion' conform to the 'Sendable' protocol
 131 |     /// Offers no completions at all; e.g. for a string identifier.
 132 |     case none
     :
 164 |     }
 165 |
 166 |     public static let completion: ShellCompletion = .none
     |                       |- warning: static property 'completion' is not concurrency-safe because non-'Sendable' type 'ShellCompletion' may have shared mutable state; this is an error in the Swift 6 language mode
     |                       |- note: annotate 'completion' 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
 167 | }
 168 |
/Users/admin/builder/spi-builder-workspace/Sources/SPMArgumentParser/ArgumentParser.swift:178:23: warning: static property 'completion' is not concurrency-safe because non-'Sendable' type 'ShellCompletion' may have shared mutable state; this is an error in the Swift 6 language mode
 128 |
 129 | /// Various shell completions modes supplied by ArgumentKind.
 130 | public enum ShellCompletion {
     |             `- note: consider making enum 'ShellCompletion' conform to the 'Sendable' protocol
 131 |     /// Offers no completions at all; e.g. for a string identifier.
 132 |     case none
     :
 176 |     }
 177 |
 178 |     public static let completion: ShellCompletion = .none
     |                       |- warning: static property 'completion' is not concurrency-safe because non-'Sendable' type 'ShellCompletion' may have shared mutable state; this is an error in the Swift 6 language mode
     |                       |- note: annotate 'completion' 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
 179 | }
 180 |
/Users/admin/builder/spi-builder-workspace/Sources/SPMArgumentParser/ArgumentParser.swift:193:23: warning: static property 'completion' is not concurrency-safe because it is non-isolated global shared mutable state; this is an error in the Swift 6 language mode
 191 |     }
 192 |
 193 |     public static var completion: ShellCompletion = .unspecified
     |                       |- warning: static property 'completion' is not concurrency-safe because it is non-isolated global shared mutable state; this is an error in the Swift 6 language mode
     |                       |- note: convert 'completion' to a 'let' constant to make 'Sendable' shared state immutable
     |                       |- note: annotate 'completion' 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
 194 | }
 195 |
/Users/admin/builder/spi-builder-workspace/Sources/SPMArgumentParser/ArgumentParser.swift:229:23: warning: static property 'completion' is not concurrency-safe because it is non-isolated global shared mutable state; this is an error in the Swift 6 language mode
 227 |     }
 228 |
 229 |     public static var completion: ShellCompletion = .filename
     |                       |- warning: static property 'completion' is not concurrency-safe because it is non-isolated global shared mutable state; this is an error in the Swift 6 language mode
     |                       |- note: convert 'completion' to a 'let' constant to make 'Sendable' shared state immutable
     |                       |- note: annotate 'completion' 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
 230 | }
 231 |
/Users/admin/builder/spi-builder-workspace/Sources/Basic/FileSystem.swift:772:12: warning: var 'localFileSystem' is not concurrency-safe because it is non-isolated global shared mutable state; this is an error in the Swift 6 language mode
770 |
771 | /// Public access to the local FS proxy.
772 | public var localFileSystem: FileSystem = LocalFileSystem()
    |            |- warning: var 'localFileSystem' is not concurrency-safe because it is non-isolated global shared mutable state; this is an error in the Swift 6 language mode
    |            |- note: convert 'localFileSystem' to a 'let' constant to make 'Sendable' shared state immutable
    |            |- note: annotate 'localFileSystem' 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
773 |
774 | extension FileSystem {
/Users/admin/builder/spi-builder-workspace/Sources/SPMArgumentParser/ArgumentParser.swift:222:22: warning: reference to var 'localFileSystem' is not concurrency-safe because it involves shared mutable state; this is an error in the Swift 6 language mode
 220 |     public init(argument: String) throws {
 221 |         // FIXME: This should check for invalid paths.
 222 |         if let cwd = localFileSystem.currentWorkingDirectory {
     |                      `- warning: reference to var 'localFileSystem' is not concurrency-safe because it involves shared mutable state; this is an error in the Swift 6 language mode
 223 |             path = AbsolutePath(argument, relativeTo: cwd)
 224 |         } else {
/Users/admin/builder/spi-builder-workspace/Sources/Basic/FileSystem.swift:772:12: note: var declared here
770 |
771 | /// Public access to the local FS proxy.
772 | public var localFileSystem: FileSystem = LocalFileSystem()
    |            `- note: var declared here
773 |
774 | extension FileSystem {
/Users/admin/builder/spi-builder-workspace/Sources/Basic/OutputByteStream.swift:740:12: warning: var 'stdoutStream' is not concurrency-safe because it is non-isolated global shared mutable state; this is an error in the Swift 6 language mode
738 |
739 | /// Public stdout stream instance.
740 | public var stdoutStream: ThreadSafeOutputByteStream = try! ThreadSafeOutputByteStream(LocalFileOutputByteStream(
    |            |- warning: var 'stdoutStream' is not concurrency-safe because it is non-isolated global shared mutable state; this is an error in the Swift 6 language mode
    |            |- note: convert 'stdoutStream' to a 'let' constant to make 'Sendable' shared state immutable
    |            |- note: annotate 'stdoutStream' 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
741 |     filePointer: SPMLibc.stdout,
742 |     closeOnDeinit: false))
/Users/admin/builder/spi-builder-workspace/Sources/SPMArgumentParser/ArgumentParser.swift:830:32: warning: reference to var 'stdoutStream' is not concurrency-safe because it involves shared mutable state; this is an error in the Swift 6 language mode
 828 |             // If argument is help then just print usage and exit.
 829 |             if argumentString == "-h" || argumentString == "-help" || argumentString == "--help" {
 830 |                 printUsage(on: stdoutStream)
     |                                `- warning: reference to var 'stdoutStream' is not concurrency-safe because it involves shared mutable state; this is an error in the Swift 6 language mode
 831 |                 exit(0)
 832 |             } else if isPositional(argument: argumentString) {
/Users/admin/builder/spi-builder-workspace/Sources/Basic/OutputByteStream.swift:740:12: note: var declared here
738 |
739 | /// Public stdout stream instance.
740 | public var stdoutStream: ThreadSafeOutputByteStream = try! ThreadSafeOutputByteStream(LocalFileOutputByteStream(
    |            `- note: var declared here
741 |     filePointer: SPMLibc.stdout,
742 |     closeOnDeinit: false))
Build complete! (18.14s)
Build complete.
{
  "dependencies" : [
  ],
  "manifest_display_name" : "SPMArgumentParser",
  "name" : "SPMArgumentParser",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
  ],
  "products" : [
    {
      "name" : "SPMArgumentParser",
      "targets" : [
        "SPMArgumentParser"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "clibc",
      "module_type" : "ClangTarget",
      "name" : "clibc",
      "path" : "Sources/clibc",
      "product_memberships" : [
        "SPMArgumentParser"
      ],
      "sources" : [
        "libc.c"
      ],
      "type" : "library"
    },
    {
      "c99name" : "SPMLibc",
      "module_type" : "SwiftTarget",
      "name" : "SPMLibc",
      "path" : "Sources/SPMLibc",
      "product_memberships" : [
        "SPMArgumentParser"
      ],
      "sources" : [
        "libc.swift"
      ],
      "target_dependencies" : [
        "clibc"
      ],
      "type" : "library"
    },
    {
      "c99name" : "SPMArgumentParser",
      "module_type" : "SwiftTarget",
      "name" : "SPMArgumentParser",
      "path" : "Sources/SPMArgumentParser",
      "product_memberships" : [
        "SPMArgumentParser"
      ],
      "sources" : [
        "ArgumentParser.swift",
        "ArgumentParserShellCompletion.swift",
        "CollectionExtensions.swift",
        "StringExtensions.swift"
      ],
      "target_dependencies" : [
        "Basic"
      ],
      "type" : "library"
    },
    {
      "c99name" : "Basic",
      "module_type" : "SwiftTarget",
      "name" : "Basic",
      "path" : "Sources/Basic",
      "product_memberships" : [
        "SPMArgumentParser"
      ],
      "sources" : [
        "ByteString.swift",
        "CollectionAlgorithms.swift",
        "CollectionExtensions.swift",
        "DictionaryExtensions.swift",
        "DictionaryLiteralExtensions.swift",
        "EditDistance.swift",
        "FileInfo.swift",
        "FileSystem.swift",
        "OutputByteStream.swift",
        "Path.swift",
        "PathShims.swift",
        "StringConversions.swift",
        "Tuple.swift"
      ],
      "target_dependencies" : [
        "SPMLibc"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "4.2"
}
Done.
This is a staging environment. For live and up-to-date package information, visit swiftpackageindex.com.