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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

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

Swift 6 data race errors: 7

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/dastrobu/argtree.git
Reference: main
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/dastrobu/argtree
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at 4052f12 update README for 1.5.5
Cloned https://github.com/dastrobu/argtree.git
Revision (git rev-parse @):
4052f12f1d94c9f484ca7d2a32a837e2ae30c445
SUCCESS checkout https://github.com/dastrobu/argtree.git at main
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             6.0
Building package at path:  $workDir
https://github.com/dastrobu/argtree.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...
[0/3] Write sources
[2/3] Write swift-version-6F35C1178C84523A.txt
[4/7] Compiling Logging LogHandler.swift
[5/7] Compiling Logging Logging.swift
[6/7] Emitting module Logging
[7/7] Compiling Logging Locks.swift
[8/16] Compiling argtree VarArgs.swift
[9/16] Compiling argtree MultiFlag.swift
/Users/admin/builder/spi-builder-workspace/Sources/parsers/ValueParser.swift:28:12: warning: extraneous whitespace between attribute name and '('; this is an error in the Swift 6 language mode
26 |     public var stopToken: String?
27 |
28 |     public internal (set) var values: [T] = []
   |            `- warning: extraneous whitespace between attribute name and '('; this is an error in the Swift 6 language mode
29 |
30 |     public let aliases: [String]
[10/16] Compiling argtree Help.swift
/Users/admin/builder/spi-builder-workspace/Sources/parsers/ValueParser.swift:28:12: warning: extraneous whitespace between attribute name and '('; this is an error in the Swift 6 language mode
26 |     public var stopToken: String?
27 |
28 |     public internal (set) var values: [T] = []
   |            `- warning: extraneous whitespace between attribute name and '('; this is an error in the Swift 6 language mode
29 |
30 |     public let aliases: [String]
[11/16] Compiling argtree ValueParser.swift
/Users/admin/builder/spi-builder-workspace/Sources/parsers/ValueParser.swift:28:12: warning: extraneous whitespace between attribute name and '('; this is an error in the Swift 6 language mode
26 |     public var stopToken: String?
27 |
28 |     public internal (set) var values: [T] = []
   |            `- warning: extraneous whitespace between attribute name and '('; this is an error in the Swift 6 language mode
29 |
30 |     public let aliases: [String]
[12/16] Compiling argtree Flag.swift
/Users/admin/builder/spi-builder-workspace/Sources/parsers/ValueParser.swift:28:12: warning: extraneous whitespace between attribute name and '('; this is an error in the Swift 6 language mode
26 |     public var stopToken: String?
27 |
28 |     public internal (set) var values: [T] = []
   |            `- warning: extraneous whitespace between attribute name and '('; this is an error in the Swift 6 language mode
29 |
30 |     public let aliases: [String]
/Users/admin/builder/spi-builder-workspace/Sources/parsers/Flag.swift:2:10: warning: associated value 'flagAllowedOnlyOnce(flag:atIndex:)' of 'Sendable'-conforming enum 'FlagParseError' has non-sendable type 'Flag'; this is an error in the Swift 6 language mode
 1 | public enum FlagParseError: Error {
 2 |     case flagAllowedOnlyOnce(flag: Flag, atIndex: Int)
   |          `- warning: associated value 'flagAllowedOnlyOnce(flag:atIndex:)' of 'Sendable'-conforming enum 'FlagParseError' has non-sendable type 'Flag'; this is an error in the Swift 6 language mode
 3 |     case unexpectedFlag(flag: String, atIndex: Int)
 4 | }
   :
 7 |  * Flags such as e.g. -v or --verbose
 8 |  */
 9 | public class Flag: ValueParser<Bool> {
   |              `- note: class 'Flag' does not conform to the 'Sendable' protocol
10 |
11 |     /** flag to indicate if passing a flag more that once is an error */
[13/16] Emitting module argtree
/Users/admin/builder/spi-builder-workspace/Sources/parsers/ValueParser.swift:28:12: warning: extraneous whitespace between attribute name and '('; this is an error in the Swift 6 language mode
26 |     public var stopToken: String?
27 |
28 |     public internal (set) var values: [T] = []
   |            `- warning: extraneous whitespace between attribute name and '('; this is an error in the Swift 6 language mode
29 |
30 |     public let aliases: [String]
/Users/admin/builder/spi-builder-workspace/Sources/parsers/Command.swift:8:10: warning: associated value 'commandAllowedOnlyOnce(command:atIndex:)' of 'Sendable'-conforming enum 'CommandParseError' has non-sendable type 'Command'; this is an error in the Swift 6 language mode
  6 |
  7 | public enum CommandParseError: Error {
  8 |     case commandAllowedOnlyOnce(command: Command, atIndex: Int)
    |          `- warning: associated value 'commandAllowedOnlyOnce(command:atIndex:)' of 'Sendable'-conforming enum 'CommandParseError' has non-sendable type 'Command'; this is an error in the Swift 6 language mode
  9 | }
 10 |
    :
 12 |  * command parser for sub-commands in the command tree
 13 |  */
 14 | open class Command: ValueParser<Bool>, ParserNode {
    |            `- note: class 'Command' does not conform to the 'Sendable' protocol
 15 |
 16 |     fileprivate var parsers: [Parser] = []
/Users/admin/builder/spi-builder-workspace/Sources/parsers/Flag.swift:2:10: warning: associated value 'flagAllowedOnlyOnce(flag:atIndex:)' of 'Sendable'-conforming enum 'FlagParseError' has non-sendable type 'Flag'; this is an error in the Swift 6 language mode
 1 | public enum FlagParseError: Error {
 2 |     case flagAllowedOnlyOnce(flag: Flag, atIndex: Int)
   |          `- warning: associated value 'flagAllowedOnlyOnce(flag:atIndex:)' of 'Sendable'-conforming enum 'FlagParseError' has non-sendable type 'Flag'; this is an error in the Swift 6 language mode
 3 |     case unexpectedFlag(flag: String, atIndex: Int)
 4 | }
   :
 7 |  * Flags such as e.g. -v or --verbose
 8 |  */
 9 | public class Flag: ValueParser<Bool> {
   |              `- note: class 'Flag' does not conform to the 'Sendable' protocol
10 |
11 |     /** flag to indicate if passing a flag more that once is an error */
/Users/admin/builder/spi-builder-workspace/Sources/parsers/Option.swift:2:10: warning: associated value 'optionAllowedOnlyOnce(option:atIndex:)' of 'Sendable'-conforming generic enum 'OptionParseError' has non-sendable type 'OptionParser<T>'; this is an error in the Swift 6 language mode
  1 | public enum OptionParseError<T>: Error {
  2 |     case optionAllowedOnlyOnce(option: OptionParser<T>, atIndex: Int)
    |          `- warning: associated value 'optionAllowedOnlyOnce(option:atIndex:)' of 'Sendable'-conforming generic enum 'OptionParseError' has non-sendable type 'OptionParser<T>'; this is an error in the Swift 6 language mode
  3 |     case missingValueForOption(option: OptionParser<T>, atIndex: Int, key: String)
  4 |     case valueNotIntConvertible(option: OptionParser<T>, atIndex: Int, value: String)
    :
  7 | }
  8 |
  9 | open class OptionParser<T>: ValueParser<T> {
    |            `- note: generic class 'OptionParser' does not conform to the 'Sendable' protocol
 10 |     /** flag to indicate if passing an option more that once is an error */
 11 |     public var multiAllowed = false
/Users/admin/builder/spi-builder-workspace/Sources/parsers/Option.swift:3:10: warning: associated value 'missingValueForOption(option:atIndex:key:)' of 'Sendable'-conforming generic enum 'OptionParseError' has non-sendable type 'OptionParser<T>'; this is an error in the Swift 6 language mode
  1 | public enum OptionParseError<T>: Error {
  2 |     case optionAllowedOnlyOnce(option: OptionParser<T>, atIndex: Int)
  3 |     case missingValueForOption(option: OptionParser<T>, atIndex: Int, key: String)
    |          `- warning: associated value 'missingValueForOption(option:atIndex:key:)' of 'Sendable'-conforming generic enum 'OptionParseError' has non-sendable type 'OptionParser<T>'; this is an error in the Swift 6 language mode
  4 |     case valueNotIntConvertible(option: OptionParser<T>, atIndex: Int, value: String)
  5 |     case valueNotDoubleConvertible(option: OptionParser<T>, atIndex: Int, value: String)
    :
  7 | }
  8 |
  9 | open class OptionParser<T>: ValueParser<T> {
    |            `- note: generic class 'OptionParser' does not conform to the 'Sendable' protocol
 10 |     /** flag to indicate if passing an option more that once is an error */
 11 |     public var multiAllowed = false
/Users/admin/builder/spi-builder-workspace/Sources/parsers/Option.swift:4:10: warning: associated value 'valueNotIntConvertible(option:atIndex:value:)' of 'Sendable'-conforming generic enum 'OptionParseError' has non-sendable type 'OptionParser<T>'; this is an error in the Swift 6 language mode
  2 |     case optionAllowedOnlyOnce(option: OptionParser<T>, atIndex: Int)
  3 |     case missingValueForOption(option: OptionParser<T>, atIndex: Int, key: String)
  4 |     case valueNotIntConvertible(option: OptionParser<T>, atIndex: Int, value: String)
    |          `- warning: associated value 'valueNotIntConvertible(option:atIndex:value:)' of 'Sendable'-conforming generic enum 'OptionParseError' has non-sendable type 'OptionParser<T>'; this is an error in the Swift 6 language mode
  5 |     case valueNotDoubleConvertible(option: OptionParser<T>, atIndex: Int, value: String)
  6 |     case unexpectedOption(option: String, atIndex: Int)
  7 | }
  8 |
  9 | open class OptionParser<T>: ValueParser<T> {
    |            `- note: generic class 'OptionParser' does not conform to the 'Sendable' protocol
 10 |     /** flag to indicate if passing an option more that once is an error */
 11 |     public var multiAllowed = false
/Users/admin/builder/spi-builder-workspace/Sources/parsers/Option.swift:5:10: warning: associated value 'valueNotDoubleConvertible(option:atIndex:value:)' of 'Sendable'-conforming generic enum 'OptionParseError' has non-sendable type 'OptionParser<T>'; this is an error in the Swift 6 language mode
  3 |     case missingValueForOption(option: OptionParser<T>, atIndex: Int, key: String)
  4 |     case valueNotIntConvertible(option: OptionParser<T>, atIndex: Int, value: String)
  5 |     case valueNotDoubleConvertible(option: OptionParser<T>, atIndex: Int, value: String)
    |          `- warning: associated value 'valueNotDoubleConvertible(option:atIndex:value:)' of 'Sendable'-conforming generic enum 'OptionParseError' has non-sendable type 'OptionParser<T>'; this is an error in the Swift 6 language mode
  6 |     case unexpectedOption(option: String, atIndex: Int)
  7 | }
  8 |
  9 | open class OptionParser<T>: ValueParser<T> {
    |            `- note: generic class 'OptionParser' does not conform to the 'Sendable' protocol
 10 |     /** flag to indicate if passing an option more that once is an error */
 11 |     public var multiAllowed = false
[14/16] Compiling argtree ArgTree.swift
/Users/admin/builder/spi-builder-workspace/Sources/parsers/ValueParser.swift:28:12: warning: extraneous whitespace between attribute name and '('; this is an error in the Swift 6 language mode
26 |     public var stopToken: String?
27 |
28 |     public internal (set) var values: [T] = []
   |            `- warning: extraneous whitespace between attribute name and '('; this is an error in the Swift 6 language mode
29 |
30 |     public let aliases: [String]
[15/16] Compiling argtree Command.swift
/Users/admin/builder/spi-builder-workspace/Sources/parsers/ValueParser.swift:28:12: warning: extraneous whitespace between attribute name and '('; this is an error in the Swift 6 language mode
26 |     public var stopToken: String?
27 |
28 |     public internal (set) var values: [T] = []
   |            `- warning: extraneous whitespace between attribute name and '('; this is an error in the Swift 6 language mode
29 |
30 |     public let aliases: [String]
/Users/admin/builder/spi-builder-workspace/Sources/parsers/Command.swift:8:10: warning: associated value 'commandAllowedOnlyOnce(command:atIndex:)' of 'Sendable'-conforming enum 'CommandParseError' has non-sendable type 'Command'; this is an error in the Swift 6 language mode
  6 |
  7 | public enum CommandParseError: Error {
  8 |     case commandAllowedOnlyOnce(command: Command, atIndex: Int)
    |          `- warning: associated value 'commandAllowedOnlyOnce(command:atIndex:)' of 'Sendable'-conforming enum 'CommandParseError' has non-sendable type 'Command'; this is an error in the Swift 6 language mode
  9 | }
 10 |
    :
 12 |  * command parser for sub-commands in the command tree
 13 |  */
 14 | open class Command: ValueParser<Bool>, ParserNode {
    |            `- note: class 'Command' does not conform to the 'Sendable' protocol
 15 |
 16 |     fileprivate var parsers: [Parser] = []
[16/16] Compiling argtree Option.swift
/Users/admin/builder/spi-builder-workspace/Sources/parsers/ValueParser.swift:28:12: warning: extraneous whitespace between attribute name and '('; this is an error in the Swift 6 language mode
26 |     public var stopToken: String?
27 |
28 |     public internal (set) var values: [T] = []
   |            `- warning: extraneous whitespace between attribute name and '('; this is an error in the Swift 6 language mode
29 |
30 |     public let aliases: [String]
/Users/admin/builder/spi-builder-workspace/Sources/parsers/Option.swift:2:10: warning: associated value 'optionAllowedOnlyOnce(option:atIndex:)' of 'Sendable'-conforming generic enum 'OptionParseError' has non-sendable type 'OptionParser<T>'; this is an error in the Swift 6 language mode
  1 | public enum OptionParseError<T>: Error {
  2 |     case optionAllowedOnlyOnce(option: OptionParser<T>, atIndex: Int)
    |          `- warning: associated value 'optionAllowedOnlyOnce(option:atIndex:)' of 'Sendable'-conforming generic enum 'OptionParseError' has non-sendable type 'OptionParser<T>'; this is an error in the Swift 6 language mode
  3 |     case missingValueForOption(option: OptionParser<T>, atIndex: Int, key: String)
  4 |     case valueNotIntConvertible(option: OptionParser<T>, atIndex: Int, value: String)
    :
  7 | }
  8 |
  9 | open class OptionParser<T>: ValueParser<T> {
    |            `- note: generic class 'OptionParser' does not conform to the 'Sendable' protocol
 10 |     /** flag to indicate if passing an option more that once is an error */
 11 |     public var multiAllowed = false
/Users/admin/builder/spi-builder-workspace/Sources/parsers/Option.swift:3:10: warning: associated value 'missingValueForOption(option:atIndex:key:)' of 'Sendable'-conforming generic enum 'OptionParseError' has non-sendable type 'OptionParser<T>'; this is an error in the Swift 6 language mode
  1 | public enum OptionParseError<T>: Error {
  2 |     case optionAllowedOnlyOnce(option: OptionParser<T>, atIndex: Int)
  3 |     case missingValueForOption(option: OptionParser<T>, atIndex: Int, key: String)
    |          `- warning: associated value 'missingValueForOption(option:atIndex:key:)' of 'Sendable'-conforming generic enum 'OptionParseError' has non-sendable type 'OptionParser<T>'; this is an error in the Swift 6 language mode
  4 |     case valueNotIntConvertible(option: OptionParser<T>, atIndex: Int, value: String)
  5 |     case valueNotDoubleConvertible(option: OptionParser<T>, atIndex: Int, value: String)
    :
  7 | }
  8 |
  9 | open class OptionParser<T>: ValueParser<T> {
    |            `- note: generic class 'OptionParser' does not conform to the 'Sendable' protocol
 10 |     /** flag to indicate if passing an option more that once is an error */
 11 |     public var multiAllowed = false
/Users/admin/builder/spi-builder-workspace/Sources/parsers/Option.swift:4:10: warning: associated value 'valueNotIntConvertible(option:atIndex:value:)' of 'Sendable'-conforming generic enum 'OptionParseError' has non-sendable type 'OptionParser<T>'; this is an error in the Swift 6 language mode
  2 |     case optionAllowedOnlyOnce(option: OptionParser<T>, atIndex: Int)
  3 |     case missingValueForOption(option: OptionParser<T>, atIndex: Int, key: String)
  4 |     case valueNotIntConvertible(option: OptionParser<T>, atIndex: Int, value: String)
    |          `- warning: associated value 'valueNotIntConvertible(option:atIndex:value:)' of 'Sendable'-conforming generic enum 'OptionParseError' has non-sendable type 'OptionParser<T>'; this is an error in the Swift 6 language mode
  5 |     case valueNotDoubleConvertible(option: OptionParser<T>, atIndex: Int, value: String)
  6 |     case unexpectedOption(option: String, atIndex: Int)
  7 | }
  8 |
  9 | open class OptionParser<T>: ValueParser<T> {
    |            `- note: generic class 'OptionParser' does not conform to the 'Sendable' protocol
 10 |     /** flag to indicate if passing an option more that once is an error */
 11 |     public var multiAllowed = false
/Users/admin/builder/spi-builder-workspace/Sources/parsers/Option.swift:5:10: warning: associated value 'valueNotDoubleConvertible(option:atIndex:value:)' of 'Sendable'-conforming generic enum 'OptionParseError' has non-sendable type 'OptionParser<T>'; this is an error in the Swift 6 language mode
  3 |     case missingValueForOption(option: OptionParser<T>, atIndex: Int, key: String)
  4 |     case valueNotIntConvertible(option: OptionParser<T>, atIndex: Int, value: String)
  5 |     case valueNotDoubleConvertible(option: OptionParser<T>, atIndex: Int, value: String)
    |          `- warning: associated value 'valueNotDoubleConvertible(option:atIndex:value:)' of 'Sendable'-conforming generic enum 'OptionParseError' has non-sendable type 'OptionParser<T>'; this is an error in the Swift 6 language mode
  6 |     case unexpectedOption(option: String, atIndex: Int)
  7 | }
  8 |
  9 | open class OptionParser<T>: ValueParser<T> {
    |            `- note: generic class 'OptionParser' does not conform to the 'Sendable' protocol
 10 |     /** flag to indicate if passing an option more that once is an error */
 11 |     public var multiAllowed = false
Build complete! (8.33s)
Fetching https://github.com/apple/swift-log.git
[1/3353] Fetching swift-log
Fetched https://github.com/apple/swift-log.git from cache (1.22s)
Computing version for https://github.com/apple/swift-log.git
Computed https://github.com/apple/swift-log.git at 1.4.4 (0.70s)
Creating working copy for https://github.com/apple/swift-log.git
Working copy of https://github.com/apple/swift-log.git resolved at 1.4.4
Build complete.
{
  "dependencies" : [
    {
      "identity" : "swift-log",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "1.4.4",
            "upper_bound" : "2.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/apple/swift-log.git"
    }
  ],
  "manifest_display_name" : "argtree",
  "name" : "argtree",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
  ],
  "products" : [
    {
      "name" : "argtree",
      "targets" : [
        "argtree"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "argtreeTests",
      "module_type" : "SwiftTarget",
      "name" : "argtreeTests",
      "path" : "Tests/argtreeTests",
      "sources" : [
        "ArgTreeTests.swift",
        "XCTestManifests.swift",
        "assert.swift",
        "parsers/CommandTests.swift",
        "parsers/FlagTests.swift",
        "parsers/MultiFlagTests.swift",
        "parsers/OptionTests.swift",
        "parsers/VarArgsTests.swift"
      ],
      "target_dependencies" : [
        "argtree"
      ],
      "type" : "test"
    },
    {
      "c99name" : "argtree",
      "module_type" : "SwiftTarget",
      "name" : "argtree",
      "path" : "Sources",
      "product_dependencies" : [
        "Logging"
      ],
      "product_memberships" : [
        "argtree"
      ],
      "sources" : [
        "ArgTree.swift",
        "parsers/Command.swift",
        "parsers/Flag.swift",
        "parsers/Help.swift",
        "parsers/MultiFlag.swift",
        "parsers/Option.swift",
        "parsers/ValueParser.swift",
        "parsers/VarArgs.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.0"
}
Done.
This is a staging environment. For live and up-to-date package information, visit swiftpackageindex.com.