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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 CommandLine with Swift 6.0 for Linux.

Swift 6 data race errors: 2

Build Command

bash -c docker run --rm -v "checkouts-4609320-0":/host -w "$workDir" registry.gitlab.com/finestructure/spi-images:basic-6.0-latest swift build --triple x86_64-unknown-linux-gnu -Xswiftc -Xfrontend -Xswiftc -stats-output-dir -Xswiftc -Xfrontend -Xswiftc .stats -Xswiftc -strict-concurrency=complete 2>&1

Build Log

========================================
RunAll
========================================
Builder version: 4.40.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/davidskrundz/commandline.git
Reference: master
Initialized empty Git repository in /host/spi-builder-workspace/.git/
hint: Using 'master' as the name for the initial branch. This default branch name
hint: is subject to change. To configure the initial branch name to use in all
hint: of your new repositories, which will suppress this warning, call:
hint:
hint: 	git config --global init.defaultBranch <name>
hint:
hint: Names commonly chosen instead of 'master' are 'main', 'trunk' and
hint: 'development'. The just-created branch can be renamed via this command:
hint:
hint: 	git branch -m <name>
From https://github.com/davidskrundz/commandline
 * branch            master     -> FETCH_HEAD
 * [new branch]      master     -> origin/master
HEAD is now at 9b56116 Swift 5 update
Cloned https://github.com/davidskrundz/commandline.git
Revision (git rev-parse @):
9b56116871b5cbd9f81455ab639fa1705efb5ac8
SUCCESS checkout https://github.com/davidskrundz/commandline.git at master
========================================
Build
========================================
Selected platform:         linux
Swift version:             6.0
Building package at path:  $workDir
https://github.com/davidskrundz/commandline.git
Running build ...
bash -c docker run --rm -v "checkouts-4609320-0":/host -w "$workDir" registry.gitlab.com/finestructure/spi-images:basic-6.0-latest swift build --triple x86_64-unknown-linux-gnu -Xswiftc -Xfrontend -Xswiftc -stats-output-dir -Xswiftc -Xfrontend -Xswiftc .stats -Xswiftc -strict-concurrency=complete 2>&1
Fetching https://github.com/DavidSkrundz/Collections.git
[1/203] Fetching collections
Fetched https://github.com/DavidSkrundz/Collections.git from cache (0.20s)
Computing version for https://github.com/DavidSkrundz/Collections.git
Computed https://github.com/DavidSkrundz/Collections.git at 2.0.0 (0.54s)
Creating working copy for https://github.com/DavidSkrundz/Collections.git
Working copy of https://github.com/DavidSkrundz/Collections.git resolved at 2.0.0
Building for debugging...
[0/9] Write sources
[2/9] Write swift-version-24593BA9C3E375BF.txt
[4/18] Compiling Generator Character.swift
[5/18] Compiling Generator Collection+Generator.swift
[6/18] Emitting module Generator
[7/19] Compiling Generator Generator+Peek.swift
[8/19] Compiling Generator Generator+Previous.swift
[9/19] Compiling Generator Generator+Sequence.swift
[10/19] Compiling Generator Generator.swift
[11/19] Compiling Generator Generator+Iterator.swift
[12/19] Compiling Generator Generator+Move.swift
[13/19] Compiling Generator Generator+String.swift
[14/20] Wrapping AST for Generator for debugging
[16/28] Compiling CommandLine ParseError.swift
[17/28] Compiling CommandLine StandardInOut.swift
/host/spi-builder-workspace/Sources/CommandLine/StandardInOut.swift:29:12: warning: let 'standardIn' is not concurrency-safe because non-'Sendable' type 'StandardIn' may have shared mutable state; this is an error in the Swift 6 language mode
19 | }
20 |
21 | public struct StandardIn {
   |               `- note: consider making struct 'StandardIn' conform to the 'Sendable' protocol
22 | 	fileprivate init() {}
23 |
   :
27 | }
28 |
29 | public let standardIn: StandardIn = StandardIn()
   |            |- warning: let 'standardIn' is not concurrency-safe because non-'Sendable' type 'StandardIn' may have shared mutable state; this is an error in the Swift 6 language mode
   |            |- note: annotate 'standardIn' 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
30 | public let standardOut: StandardOut = StandardOut()
31 |
/host/spi-builder-workspace/Sources/CommandLine/StandardInOut.swift:30:12: warning: let 'standardOut' is not concurrency-safe because non-'Sendable' type 'StandardOut' may have shared mutable state; this is an error in the Swift 6 language mode
 6 | import Foundation
 7 |
 8 | public struct StandardOut: Output {
   |               `- note: consider making struct 'StandardOut' conform to the 'Sendable' protocol
 9 | 	fileprivate init() {}
10 |
   :
28 |
29 | public let standardIn: StandardIn = StandardIn()
30 | public let standardOut: StandardOut = StandardOut()
   |            |- warning: let 'standardOut' is not concurrency-safe because non-'Sendable' type 'StandardOut' may have shared mutable state; this is an error in the Swift 6 language mode
   |            |- note: annotate 'standardOut' 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
31 |
/host/spi-builder-workspace/Sources/CommandLine/StandardInOut.swift:12:24: warning: reference to var 'stdout' is not concurrency-safe because it involves shared mutable state; this is an error in the Swift 6 language mode
10 |
11 | 	public func isTerminal() -> Bool {
12 | 		return isatty(fileno(stdout)) == 1
   |                        `- warning: reference to var 'stdout' is not concurrency-safe because it involves shared mutable state; this is an error in the Swift 6 language mode
13 | 	}
14 |
SwiftGlibc.stdout:1:12: note: var declared here
1 | public var stdout: UnsafeMutablePointer<FILE>!
  |            `- note: var declared here
/host/spi-builder-workspace/Sources/CommandLine/StandardInOut.swift:25:24: warning: reference to var 'stdin' is not concurrency-safe because it involves shared mutable state; this is an error in the Swift 6 language mode
23 |
24 | 	public func isTerminal() -> Bool {
25 | 		return isatty(fileno(stdin)) == 1
   |                        `- warning: reference to var 'stdin' is not concurrency-safe because it involves shared mutable state; this is an error in the Swift 6 language mode
26 | 	}
27 | }
SwiftGlibc.stdin:1:12: note: var declared here
1 | public var stdin: UnsafeMutablePointer<FILE>!
  |            `- note: var declared here
[18/28] Compiling CommandLine ArgumentParser.swift
[19/28] Compiling CommandLine ANSI.swift
[20/28] Emitting module CommandLine
/host/spi-builder-workspace/Sources/CommandLine/StandardInOut.swift:29:12: warning: let 'standardIn' is not concurrency-safe because non-'Sendable' type 'StandardIn' may have shared mutable state; this is an error in the Swift 6 language mode
19 | }
20 |
21 | public struct StandardIn {
   |               `- note: consider making struct 'StandardIn' conform to the 'Sendable' protocol
22 | 	fileprivate init() {}
23 |
   :
27 | }
28 |
29 | public let standardIn: StandardIn = StandardIn()
   |            |- warning: let 'standardIn' is not concurrency-safe because non-'Sendable' type 'StandardIn' may have shared mutable state; this is an error in the Swift 6 language mode
   |            |- note: annotate 'standardIn' 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
30 | public let standardOut: StandardOut = StandardOut()
31 |
/host/spi-builder-workspace/Sources/CommandLine/StandardInOut.swift:30:12: warning: let 'standardOut' is not concurrency-safe because non-'Sendable' type 'StandardOut' may have shared mutable state; this is an error in the Swift 6 language mode
 6 | import Foundation
 7 |
 8 | public struct StandardOut: Output {
   |               `- note: consider making struct 'StandardOut' conform to the 'Sendable' protocol
 9 | 	fileprivate init() {}
10 |
   :
28 |
29 | public let standardIn: StandardIn = StandardIn()
30 | public let standardOut: StandardOut = StandardOut()
   |            |- warning: let 'standardOut' is not concurrency-safe because non-'Sendable' type 'StandardOut' may have shared mutable state; this is an error in the Swift 6 language mode
   |            |- note: annotate 'standardOut' 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
31 |
[21/28] Compiling CommandLine AutoTask.swift
/host/spi-builder-workspace/Sources/CommandLine/AutoTask.swift:62:11: warning: 'launchPath' is deprecated: renamed to 'executableURL'
 60 | 	private static func createProcess(_ arguments: [String]) -> Process {
 61 | 		let process = Process()
 62 | 		process.launchPath = "/usr/bin/env"
    |           |- warning: 'launchPath' is deprecated: renamed to 'executableURL'
    |           `- note: use 'executableURL' instead
 63 | 		process.arguments = arguments
 64 | 		return process
/host/spi-builder-workspace/Sources/CommandLine/AutoTask.swift:89:25: warning: 'launch()' is deprecated: renamed to 'run'
 87 | 	let pipe = Pipe()
 88 | 	lhs.tasks.last!.standardOutput = pipe
 89 | 	lhs.tasks.forEach { $0.launch() }
    |                         |- warning: 'launch()' is deprecated: renamed to 'run'
    |                         `- note: use 'run' instead
 90 |
 91 | 	while true {
[22/28] Compiling CommandLine Option.swift
[23/28] Compiling CommandLine Output.swift
[24/29] Wrapping AST for CommandLine for debugging
[25/29] Write Objects.LinkFileList
[27/29] Archiving libsCommandLine.a
[28/29] Linking libdCommandLine.so
Build complete! (13.44s)
Build complete.
{
  "dependencies" : [
    {
      "identity" : "collections",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "2.0.0",
            "upper_bound" : "2.1.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/DavidSkrundz/Collections.git"
    }
  ],
  "manifest_display_name" : "CommandLine",
  "name" : "CommandLine",
  "path" : "/host/spi-builder-workspace",
  "platforms" : [
  ],
  "products" : [
    {
      "name" : "CommandLine",
      "targets" : [
        "CommandLine"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    },
    {
      "name" : "sCommandLine",
      "targets" : [
        "CommandLine"
      ],
      "type" : {
        "library" : [
          "static"
        ]
      }
    },
    {
      "name" : "dCommandLine",
      "targets" : [
        "CommandLine"
      ],
      "type" : {
        "library" : [
          "dynamic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "CommandLineTests",
      "module_type" : "SwiftTarget",
      "name" : "CommandLineTests",
      "path" : "Tests/CommandLineTests",
      "sources" : [
        "ArgumentParserTests.swift",
        "AutoTaskTests.swift"
      ],
      "target_dependencies" : [
        "CommandLine"
      ],
      "type" : "test"
    },
    {
      "c99name" : "CommandLine",
      "module_type" : "SwiftTarget",
      "name" : "CommandLine",
      "path" : "Sources/CommandLine",
      "product_dependencies" : [
        "Generator"
      ],
      "product_memberships" : [
        "CommandLine",
        "sCommandLine",
        "dCommandLine"
      ],
      "sources" : [
        "ANSI.swift",
        "ArgumentParser.swift",
        "AutoTask.swift",
        "Option.swift",
        "Output.swift",
        "ParseError.swift",
        "StandardInOut.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.0"
}
Done.
This is a staging environment. For live and up-to-date package information, visit swiftpackageindex.com.