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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 BetterXC, reference 0.9.3 (3a87c1), with Swift 6.1 for Linux on 25 Apr 2025 18:05:20 UTC.

Build Command

bash -c docker run --pull=always --rm -v "checkouts-4609320-3":/host -w "$PWD" registry.gitlab.com/finestructure/spi-images:basic-6.1-latest swift build --triple x86_64-unknown-linux-gnu 2>&1

Build Log

========================================
RunAll
========================================
Builder version: 4.61.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/monstar-lab/betterxc.git
Reference: 0.9.3
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/monstar-lab/betterxc
 * tag               0.9.3      -> FETCH_HEAD
HEAD is now at 3a87c18 Merge branch 'release/0.9.3'
Cloned https://github.com/monstar-lab/betterxc.git
Revision (git rev-parse @):
3a87c187cdc9a6e5b16ade2d71518bc6175b2720
SUCCESS checkout https://github.com/monstar-lab/betterxc.git at 0.9.3
========================================
Build
========================================
Selected platform:         linux
Swift version:             6.1
Building package at path:  $PWD
https://github.com/monstar-lab/betterxc.git
https://github.com/monstar-lab/betterxc.git
WARNING: environment variable SUPPRESS_SWIFT_6_FLAGS is not set
{
  "dependencies" : [
    {
      "identity" : "xcproj",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "4.3.0",
            "upper_bound" : "5.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/xcodeswift/xcproj.git"
    },
    {
      "identity" : "swiftshell",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "4.1.0",
            "upper_bound" : "5.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/kareman/SwiftShell.git"
    },
    {
      "identity" : "moderator",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "0.4.3",
            "upper_bound" : "1.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/kareman/Moderator.git"
    },
    {
      "identity" : "rainbow",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "3.1.4",
            "upper_bound" : "4.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/onevcat/Rainbow.git"
    }
  ],
  "manifest_display_name" : "BetterXC",
  "name" : "BetterXC",
  "path" : "/host/spi-builder-workspace",
  "platforms" : [
  ],
  "products" : [
    {
      "name" : "xc",
      "targets" : [
        "BetterXC"
      ],
      "type" : {
        "executable" : null
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "BetterXC",
      "module_type" : "SwiftTarget",
      "name" : "BetterXC",
      "path" : "Sources/BetterXC",
      "product_dependencies" : [
        "xcproj",
        "SwiftShell",
        "Moderator",
        "Rainbow"
      ],
      "product_memberships" : [
        "xc"
      ],
      "sources" : [
        "main.swift"
      ],
      "type" : "executable"
    }
  ],
  "tools_version" : "4.0"
}
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4609320-3":/host -w "$PWD" registry.gitlab.com/finestructure/spi-images:basic-6.1-latest swift build --triple x86_64-unknown-linux-gnu -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 2>&1
basic-6.1-latest: Pulling from finestructure/spi-images
Digest: sha256:3bdcac04179f4ed3e5b8e9dbd6e74bbf5ebc0f4fde48bbaad7d1e5c757e65bcb
Status: Image is up to date for registry.gitlab.com/finestructure/spi-images:basic-6.1-latest
Fetching https://github.com/kareman/SwiftShell.git
Fetching https://github.com/onevcat/Rainbow.git
Fetching https://github.com/xcodeswift/xcproj.git
Fetching https://github.com/kareman/Moderator.git
[1/1196] Fetching rainbow
[2/6059] Fetching rainbow, swiftshell
[1473/6717] Fetching rainbow, swiftshell, moderator
[6521/29865] Fetching rainbow, swiftshell, moderator, xcproj
Fetched https://github.com/kareman/Moderator.git from cache (2.17s)
[22495/29207] Fetching rainbow, swiftshell, xcproj
Fetched https://github.com/onevcat/Rainbow.git from cache (3.72s)
Fetched https://github.com/kareman/SwiftShell.git from cache (3.73s)
Fetched https://github.com/xcodeswift/xcproj.git from cache (3.75s)
Computing version for https://github.com/xcodeswift/xcproj.git
Computed https://github.com/xcodeswift/xcproj.git at 4.3.1 (5.18s)
Fetching https://github.com/tadija/AEXML.git
Fetching https://github.com/JohnSundell/ShellOut.git
Fetching https://github.com/kylef/PathKit.git
[1/960] Fetching shellout
[779/2371] Fetching shellout, pathkit
[2372/4498] Fetching shellout, pathkit, aexml
Fetched https://github.com/JohnSundell/ShellOut.git from cache (0.43s)
Fetched https://github.com/kylef/PathKit.git from cache (0.43s)
Fetched https://github.com/tadija/AEXML.git from cache (0.44s)
Computing version for https://github.com/kylef/PathKit.git
Computed https://github.com/kylef/PathKit.git at 0.9.2 (2.32s)
Fetching https://github.com/kylef/Spectre.git
[1/1021] Fetching spectre
Fetched https://github.com/kylef/Spectre.git from cache (0.26s)
Computing version for https://github.com/onevcat/Rainbow.git
Computed https://github.com/onevcat/Rainbow.git at 3.2.0 (0.76s)
Computing version for https://github.com/kareman/Moderator.git
Computed https://github.com/kareman/Moderator.git at 0.5.1 (0.48s)
Computing version for https://github.com/kareman/SwiftShell.git
Computed https://github.com/kareman/SwiftShell.git at 4.1.2 (0.51s)
Computing version for https://github.com/kylef/Spectre.git
Computed https://github.com/kylef/Spectre.git at 0.9.2 (2.25s)
Computing version for https://github.com/JohnSundell/ShellOut.git
Computed https://github.com/JohnSundell/ShellOut.git at 2.3.0 (0.62s)
Computing version for https://github.com/tadija/AEXML.git
Computed https://github.com/tadija/AEXML.git at 4.7.0 (0.86s)
Creating working copy for https://github.com/JohnSundell/ShellOut.git
Working copy of https://github.com/JohnSundell/ShellOut.git resolved at 2.3.0
Creating working copy for https://github.com/xcodeswift/xcproj.git
Working copy of https://github.com/xcodeswift/xcproj.git resolved at 4.3.1
Creating working copy for https://github.com/kareman/Moderator.git
Working copy of https://github.com/kareman/Moderator.git resolved at 0.5.1
Creating working copy for https://github.com/onevcat/Rainbow.git
Working copy of https://github.com/onevcat/Rainbow.git resolved at 3.2.0
Creating working copy for https://github.com/tadija/AEXML.git
Working copy of https://github.com/tadija/AEXML.git resolved at 4.7.0
Creating working copy for https://github.com/kylef/Spectre.git
Working copy of https://github.com/kylef/Spectre.git resolved at 0.9.2
Creating working copy for https://github.com/kylef/PathKit.git
Working copy of https://github.com/kylef/PathKit.git resolved at 0.9.2
Creating working copy for https://github.com/kareman/SwiftShell.git
Working copy of https://github.com/kareman/SwiftShell.git resolved at 4.1.2
Building for debugging...
[0/17] Write sources
[7/17] Write swift-version-24593BA9C3E375BF.txt
[9/51] Emitting module Moderator
[10/51] Emitting module Rainbow
[11/52] Compiling SwiftShell Lazy-split.swift
[12/53] Compiling Moderator SwiftCompat.swift
[13/53] Compiling SwiftShell Array.swift
[14/53] Compiling Rainbow StringGenerator.swift
[15/53] Compiling Rainbow Style.swift
[16/53] Compiling Rainbow BackgroundColor.swift
[17/53] Compiling Rainbow CodesParser.swift
[18/53] Compiling Rainbow Color.swift
[19/53] Compiling Rainbow ControlCode.swift
[20/53] Compiling Rainbow XcodeColorsSupport.swift
[21/53] Compiling Moderator Parsers.swift
[22/53] Compiling Rainbow String+Rainbow.swift
[23/53] Compiling SwiftShell Stream.swift
[26/53] Compiling SwiftShell String.swift
[27/53] Compiling SwiftShell Process.swift
/host/spi-builder-workspace/.build/checkouts/SwiftShell/Sources/SwiftShell/Process.swift:61:19: error: use of 'run' refers to instance method rather than global function 'run(bash:combineOutput:)' in module 'SwiftShell'
 59 | 	/// or nil if there is no stdout output
 60 | 	fileprivate func getProcessInfo(_ attr: ProcessAttribute) -> String? {
 61 | 		let attribute = run(bash: "ps --no-headers -q \(self.processIdentifier) -o \(attr.rawValue)").stdout
    |                   |- error: use of 'run' refers to instance method rather than global function 'run(bash:combineOutput:)' in module 'SwiftShell'
    |                   `- note: use 'SwiftShell.' to reference the global function in module 'SwiftShell'
 62 | 		return attribute.isEmpty ? nil : attribute
 63 | 	}
/host/spi-builder-workspace/.build/checkouts/SwiftShell/Sources/SwiftShell/Bash.swift:68:32: note: 'run(bash:combineOutput:)' declared here
 66 | /// - parameter bashcommand: the bash shell command.
 67 | /// - parameter combineOutput: if true then stdout and stderror go to the same stream. Default is false.
 68 | @discardableResult public func run(bash bashcommand: String, combineOutput: Bool = false) -> RunOutput {
    |                                `- note: 'run(bash:combineOutput:)' declared here
 69 | 	return main.run(bash: bashcommand, combineOutput: combineOutput)
 70 | }
[28/53] Emitting module SwiftShell
[29/53] Compiling Moderator Moderator.swift
[30/54] Compiling SwiftShell Files.swift
[33/54] Compiling Rainbow Rainbow.swift
[34/54] Compiling Rainbow ModesExtractor.swift
[35/54] Compiling Rainbow OutputTarget.swift
[36/55] Compiling AEXML Error.swift
[37/55] Compiling AEXML Options.swift
[38/55] Compiling AEXML Parser.swift
[40/55] Emitting module AEXML
[41/55] Compiling AEXML Document.swift
[43/55] Emitting module PathKit
[44/55] Compiling PathKit PathKit.swift
[45/55] Compiling AEXML Element.swift
[46/55] Compiling AEXML Builders.swift
[48/57] Wrapping AST for Rainbow for debugging
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4609320-3":/host -w "$PWD" registry.gitlab.com/finestructure/spi-images:basic-6.1-latest swift build --triple x86_64-unknown-linux-gnu 2>&1
basic-6.1-latest: Pulling from finestructure/spi-images
Digest: sha256:3bdcac04179f4ed3e5b8e9dbd6e74bbf5ebc0f4fde48bbaad7d1e5c757e65bcb
Status: Image is up to date for registry.gitlab.com/finestructure/spi-images:basic-6.1-latest
[0/1] Planning build
Building for debugging...
[0/10] Write swift-version-24593BA9C3E375BF.txt
[2/44] Emitting module Moderator
[3/44] Compiling Moderator SwiftCompat.swift
[4/44] Compiling Rainbow Style.swift
[5/45] Compiling AEXML Error.swift
[6/45] Emitting module AEXML
[7/45] Compiling SwiftShell Array.swift
[8/45] Compiling Rainbow Color.swift
[9/45] Compiling Rainbow ControlCode.swift
[10/45] Compiling SwiftShell Files.swift
[11/46] Compiling AEXML Options.swift
[12/46] Compiling AEXML Parser.swift
[13/46] Emitting module Rainbow
[14/46] Emitting module SwiftShell
[15/46] Compiling Rainbow StringGenerator.swift
[16/46] Compiling Moderator Moderator.swift
[17/46] Compiling Rainbow Rainbow.swift
[18/46] Compiling Rainbow String+Rainbow.swift
[19/46] Compiling SwiftShell Lazy-split.swift
[20/46] Compiling SwiftShell Process.swift
/host/spi-builder-workspace/.build/checkouts/SwiftShell/Sources/SwiftShell/Process.swift:61:19: error: use of 'run' refers to instance method rather than global function 'run(bash:combineOutput:)' in module 'SwiftShell'
 59 | 	/// or nil if there is no stdout output
 60 | 	fileprivate func getProcessInfo(_ attr: ProcessAttribute) -> String? {
 61 | 		let attribute = run(bash: "ps --no-headers -q \(self.processIdentifier) -o \(attr.rawValue)").stdout
    |                   |- error: use of 'run' refers to instance method rather than global function 'run(bash:combineOutput:)' in module 'SwiftShell'
    |                   `- note: use 'SwiftShell.' to reference the global function in module 'SwiftShell'
 62 | 		return attribute.isEmpty ? nil : attribute
 63 | 	}
/host/spi-builder-workspace/.build/checkouts/SwiftShell/Sources/SwiftShell/Bash.swift:68:32: note: 'run(bash:combineOutput:)' declared here
 66 | /// - parameter bashcommand: the bash shell command.
 67 | /// - parameter combineOutput: if true then stdout and stderror go to the same stream. Default is false.
 68 | @discardableResult public func run(bash bashcommand: String, combineOutput: Bool = false) -> RunOutput {
    |                                `- note: 'run(bash:combineOutput:)' declared here
 69 | 	return main.run(bash: bashcommand, combineOutput: combineOutput)
 70 | }
[21/46] Compiling Rainbow XcodeColorsSupport.swift
[22/46] Compiling SwiftShell String.swift
[25/46] Compiling Rainbow BackgroundColor.swift
[26/46] Compiling Rainbow CodesParser.swift
[27/46] Compiling Rainbow ModesExtractor.swift
[28/46] Compiling Rainbow OutputTarget.swift
[29/46] Compiling SwiftShell Stream.swift
[30/47] Compiling AEXML Builders.swift
[31/47] Compiling AEXML Element.swift
[32/47] Compiling AEXML Document.swift
[34/48] Compiling Moderator Parsers.swift
[36/49] Wrapping AST for Rainbow for debugging
[37/49] Emitting module PathKit
BUILD FAILURE 6.1 linux