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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 DangerIBLinter, reference master (6bab7c), with Swift 6.1 for macOS (SPM) on 24 Apr 2025 23:52:17 UTC.

Build Command

env DEVELOPER_DIR=/Applications/Xcode-16.3.0.app xcrun swift build --arch arm64

Build Log

========================================
RunAll
========================================
Builder version: 4.61.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/ibdecodable/danger-iblinter.git
Reference: master
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/ibdecodable/danger-iblinter
 * branch            master     -> FETCH_HEAD
 * [new branch]      master     -> origin/master
HEAD is now at 6bab7c5 Initial commit
Cloned https://github.com/ibdecodable/danger-iblinter.git
Revision (git rev-parse @):
6bab7c5a70991c02b01089a895171dbdc4dd8079
SUCCESS checkout https://github.com/ibdecodable/danger-iblinter.git at master
Fetching https://github.com/JohnSundell/Unbox.git
Fetching https://github.com/JohnSundell/Wrap.git
Fetching https://github.com/JohnSundell/Marathon.git
Fetching https://github.com/JohnSundell/Require.git
Fetching https://github.com/danger/danger-swift.git
Fetching https://github.com/JohnSundell/Files.git
Fetching https://github.com/JohnSundell/ShellOut.git
[7/676] Fetching wrap
[22/2695] Fetching wrap, marathon
[83/4753] Fetching wrap, marathon, unbox
[233/4905] Fetching wrap, marathon, unbox, require
[279/5865] Fetching wrap, marathon, unbox, require, shellout
[507/7101] Fetching wrap, marathon, unbox, require, shellout, files
[2037/17349] Fetching wrap, marathon, unbox, require, shellout, files, danger-swift
Fetched https://github.com/JohnSundell/Wrap.git from cache (1.06s)
Fetched https://github.com/JohnSundell/Unbox.git from cache (1.06s)
Fetching https://github.com/JohnSundell/Releases.git
[6417/14615] Fetching marathon, require, shellout, files, danger-swift
Fetched https://github.com/JohnSundell/ShellOut.git from cache (1.26s)
Fetched https://github.com/JohnSundell/Files.git from cache (1.26s)
Fetched https://github.com/danger/danger-swift.git from cache (1.26s)
Fetched https://github.com/JohnSundell/Marathon.git from cache (1.26s)
Computing version for https://github.com/danger/danger-swift.git
Fetched https://github.com/JohnSundell/Require.git from cache (1.26s)
[1/174] Fetching releases
Fetched https://github.com/JohnSundell/Releases.git from cache (0.58s)
Computed https://github.com/danger/danger-swift.git at 0.4.0 (1.87s)
Computing version for https://github.com/JohnSundell/Marathon.git
Computed https://github.com/JohnSundell/Marathon.git at 3.0.0 (0.60s)
Computing version for https://github.com/JohnSundell/Releases.git
Computed https://github.com/JohnSundell/Releases.git at 3.0.0 (0.58s)
Computing version for https://github.com/JohnSundell/Require.git
Computed https://github.com/JohnSundell/Require.git at 2.0.1 (0.58s)
Computing version for https://github.com/JohnSundell/ShellOut.git
Computed https://github.com/JohnSundell/ShellOut.git at 2.1.0 (0.59s)
Computing version for https://github.com/JohnSundell/Wrap.git
Computed https://github.com/JohnSundell/Wrap.git at 3.0.1 (0.58s)
Computing version for https://github.com/JohnSundell/Unbox.git
error: package 'package.swift' is using Swift tools version 3.1.0 which is no longer supported; consider using '// swift-tools-version: 6.1' to specify the current tools version
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             6.1
Building package at path:  $PWD
https://github.com/ibdecodable/danger-iblinter.git
https://github.com/ibdecodable/danger-iblinter.git
{
  "dependencies" : [
    {
      "identity" : "danger-swift",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "0.3.0",
            "upper_bound" : "1.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/danger/danger-swift.git"
    }
  ],
  "manifest_display_name" : "DangerIBLinter",
  "name" : "DangerIBLinter",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
  ],
  "products" : [
    {
      "name" : "DangerIBLinter",
      "targets" : [
        "DangerIBLinter"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "DangerIBLinterTests",
      "module_type" : "SwiftTarget",
      "name" : "DangerIBLinterTests",
      "path" : "Tests/DangerIBLinterTests",
      "sources" : [
        "DangerIBLinterTests.swift",
        "XCTestManifests.swift"
      ],
      "target_dependencies" : [
        "DangerIBLinter"
      ],
      "type" : "test"
    },
    {
      "c99name" : "DangerIBLinter",
      "module_type" : "SwiftTarget",
      "name" : "DangerIBLinter",
      "path" : "Sources/DangerIBLinter",
      "product_dependencies" : [
        "Danger"
      ],
      "product_memberships" : [
        "DangerIBLinter"
      ],
      "sources" : [
        "DangerIBLinter.swift",
        "ShellExecutor.swift",
        "Violation.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "4.0"
}
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
Building for debugging...
[0/9] Write sources
[6/9] Write swift-version-2F0A5646E1D333AE.txt
[8/17] Emitting module Logger
[9/17] Compiling Logger Logger.swift
[10/17] Compiling RequestKit Router.swift
[11/17] Compiling RequestKit RequestKitSession.swift
[12/17] Compiling RequestKit JSONPostRouter.swift
[13/17] Emitting module RequestKit
[14/17] Emitting module ShellOut
[15/17] Compiling ShellOut ShellOut.swift
[16/44] Compiling OctoKit Plan.swift
[17/44] Compiling OctoKit PreviewHeader.swift
[18/44] Compiling OctoKit PublicKey.swift
[19/46] Emitting module OctoKit
[20/46] Compiling OctoKit Configuration.swift
[21/46] Compiling OctoKit File.swift
[22/46] Compiling OctoKit Follow.swift
[23/46] Compiling OctoKit Stars.swift
[24/46] Compiling OctoKit Statuses.swift
[25/46] Compiling OctoKit String+PercentEncoding.swift
[26/46] Compiling OctoKit Octokit.swift
[27/46] Compiling OctoKit Organization.swift
[28/46] Compiling OctoKit Parameters.swift
[29/46] Compiling OctoKit URL+URLParameters.swift
[30/46] Compiling OctoKit User.swift
[31/46] Compiling OctoKit Gist.swift
[32/46] Compiling OctoKit Git.swift
[33/46] Compiling OctoKit Issue.swift
[34/46] Compiling OctoKit PullRequest.swift
[35/46] Compiling OctoKit Reactions.swift
[36/46] Compiling OctoKit Releases.swift
[37/46] Compiling OctoKit Team.swift
[38/46] Compiling OctoKit Time.swift
[39/46] Compiling OctoKit Label.swift
[40/46] Compiling OctoKit Milestone.swift
[41/46] Compiling OctoKit NotificationThread.swift
[42/46] Compiling OctoKit Repositories.swift
[43/46] Compiling OctoKit Review.swift
[44/46] Compiling OctoKit Search.swift
[45/62] Compiling Danger SwiftLintViolation.swift
[46/62] Compiling Danger Report.swift
[47/62] Compiling Danger CurrentPathProvider.swift
[48/62] Compiling Danger ShellExecutor.swift
[49/63] Compiling Danger Settings.swift
[50/63] Compiling Danger SwiftLint.swift
[51/63] Emitting module Danger
[52/63] Compiling Danger DangerUtils.swift
[53/63] Compiling Danger DateFormatterExtensions.swift
[54/63] Compiling Danger NSRegularExpressionExtensions.swift
[55/63] Compiling Danger File.swift
[56/63] Compiling Danger GitDSL.swift
[57/63] Compiling Danger GitHubDSL.swift
[58/63] Compiling Danger BitBucketServerDSL.swift
[59/63] Compiling Danger Danger.swift
[60/63] Compiling Danger DangerDSL.swift
/Users/admin/builder/spi-builder-workspace/.build/checkouts/danger-swift/Sources/Danger/DangerDSL.swift:61:24: error: immutable value 'self.github' may only be initialized once
14 |     public let git: Git
15 |
16 |     public let github: GitHub!
   |            `- note: change 'let' to 'var' to make it mutable
17 |
18 |     public let bitbucketServer: BitBucketServer!
   :
59 |             }
60 |
61 |             github.api = Octokit(config)
   |                        `- error: immutable value 'self.github' may only be initialized once
62 |         }
63 |     }
[61/63] Compiling Danger DangerResults.swift
/Users/admin/builder/spi-builder-workspace/.build/checkouts/danger-swift/Sources/Danger/DangerDSL.swift:61:24: error: immutable value 'self.github' may only be initialized once
14 |     public let git: Git
15 |
16 |     public let github: GitHub!
   |            `- note: change 'let' to 'var' to make it mutable
17 |
18 |     public let bitbucketServer: BitBucketServer!
   :
59 |             }
60 |
61 |             github.api = Octokit(config)
   |                        `- error: immutable value 'self.github' may only be initialized once
62 |         }
63 |     }
Updating https://github.com/danger/danger-swift.git
Updated https://github.com/danger/danger-swift.git (0.54s)
Computing version for https://github.com/danger/danger-swift.git
Computed https://github.com/danger/danger-swift.git at 0.8.1 (3.54s)
Fetching https://github.com/nerdishbynature/octokit.swift
Fetching https://github.com/f-meloni/Logger
[1/4995] Fetching octokit.swift
[51/5111] Fetching octokit.swift, logger
Updating https://github.com/JohnSundell/ShellOut
Updating https://github.com/JohnSundell/Marathon
Fetched https://github.com/f-meloni/Logger from cache (0.93s)
Fetched https://github.com/nerdishbynature/octokit.swift from cache (0.93s)
Updated https://github.com/JohnSundell/ShellOut (0.45s)
Updated https://github.com/JohnSundell/Marathon (0.45s)
Computing version for https://github.com/JohnSundell/Marathon
Computed https://github.com/JohnSundell/Marathon at 3.3.0 (2.00s)
Updating https://github.com/JohnSundell/Files.git
Updating https://github.com/JohnSundell/Require.git
Updating https://github.com/JohnSundell/Releases.git
Updated https://github.com/JohnSundell/Releases.git (0.47s)
Updated https://github.com/JohnSundell/Files.git (0.47s)
Updated https://github.com/JohnSundell/Require.git (0.47s)
Computing version for https://github.com/JohnSundell/Releases.git
Computed https://github.com/JohnSundell/Releases.git at 4.0.0 (1.10s)
Computing version for https://github.com/JohnSundell/Require.git
Computed https://github.com/JohnSundell/Require.git at 2.0.1 (0.54s)
Computing version for https://github.com/JohnSundell/ShellOut
Computed https://github.com/JohnSundell/ShellOut at 2.3.0 (0.57s)
Computing version for https://github.com/f-meloni/Logger
Computed https://github.com/f-meloni/Logger at 0.2.3 (0.59s)
Computing version for https://github.com/JohnSundell/Files.git
Computed https://github.com/JohnSundell/Files.git at 2.3.0 (0.58s)
Computing version for https://github.com/nerdishbynature/octokit.swift
Computed https://github.com/nerdishbynature/octokit.swift at 0.14.0 (0.47s)
Fetching https://github.com/nerdishbynature/RequestKit.git
[1/1554] Fetching requestkit
Fetched https://github.com/nerdishbynature/RequestKit.git from cache (0.83s)
Computing version for https://github.com/nerdishbynature/RequestKit.git
Computed https://github.com/nerdishbynature/RequestKit.git at 3.3.0 (1.53s)
Creating working copy for https://github.com/nerdishbynature/octokit.swift
Working copy of https://github.com/nerdishbynature/octokit.swift resolved at 0.14.0
Creating working copy for https://github.com/nerdishbynature/RequestKit.git
Working copy of https://github.com/nerdishbynature/RequestKit.git resolved at 3.3.0
Creating working copy for https://github.com/JohnSundell/Marathon
Working copy of https://github.com/JohnSundell/Marathon resolved at 3.3.0
Creating working copy for https://github.com/JohnSundell/ShellOut
Working copy of https://github.com/JohnSundell/ShellOut resolved at 2.3.0
Creating working copy for https://github.com/JohnSundell/Require.git
Working copy of https://github.com/JohnSundell/Require.git resolved at 2.0.1
Creating working copy for https://github.com/JohnSundell/Files.git
Working copy of https://github.com/JohnSundell/Files.git resolved at 2.3.0
Creating working copy for https://github.com/JohnSundell/Releases.git
Working copy of https://github.com/JohnSundell/Releases.git resolved at 4.0.0
Creating working copy for https://github.com/danger/danger-swift.git
Working copy of https://github.com/danger/danger-swift.git resolved at 0.8.1
Creating working copy for https://github.com/f-meloni/Logger
Working copy of https://github.com/f-meloni/Logger resolved at 0.2.3
warning: 'octokit.swift': found 1 file(s) which are unhandled; explicitly declare them as resources or exclude from the target
    /Users/admin/builder/spi-builder-workspace/.build/checkouts/octokit.swift/OctoKit/Info.plist
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-16.3.0.app xcrun swift build --arch arm64
[0/1] Planning build
Building for debugging...
[0/3] Write swift-version-2F0A5646E1D333AE.txt
[2/11] Emitting module Logger
[3/11] Compiling Logger Logger.swift
[4/11] Compiling ShellOut ShellOut.swift
[5/11] Emitting module ShellOut
[6/11] Compiling RequestKit RequestKitSession.swift
[7/11] Compiling RequestKit JSONPostRouter.swift
[8/11] Emitting module RequestKit
[9/11] Compiling RequestKit Router.swift
[10/38] Compiling OctoKit Team.swift
[11/38] Compiling OctoKit Time.swift
[12/40] Compiling OctoKit Stars.swift
[13/40] Compiling OctoKit Statuses.swift
[14/40] Compiling OctoKit String+PercentEncoding.swift
[15/40] Compiling OctoKit Plan.swift
[16/40] Compiling OctoKit PreviewHeader.swift
[17/40] Compiling OctoKit PublicKey.swift
[18/40] Emitting module OctoKit
[19/40] Compiling OctoKit Configuration.swift
[20/40] Compiling OctoKit File.swift
[21/40] Compiling OctoKit Follow.swift
[22/40] Compiling OctoKit Gist.swift
[23/40] Compiling OctoKit Git.swift
[24/40] Compiling OctoKit Issue.swift
[25/40] Compiling OctoKit URL+URLParameters.swift
[26/40] Compiling OctoKit User.swift
[27/40] Compiling OctoKit Label.swift
[28/40] Compiling OctoKit Milestone.swift
[29/40] Compiling OctoKit NotificationThread.swift
[30/40] Compiling OctoKit Octokit.swift
[31/40] Compiling OctoKit Organization.swift
[32/40] Compiling OctoKit Parameters.swift
[33/40] Compiling OctoKit PullRequest.swift
[34/40] Compiling OctoKit Reactions.swift
[35/40] Compiling OctoKit Releases.swift
[36/40] Compiling OctoKit Repositories.swift
[37/40] Compiling OctoKit Review.swift
[38/40] Compiling OctoKit Search.swift
[39/56] Compiling Danger DangerUtils.swift
[40/56] Compiling Danger DateFormatterExtensions.swift
[41/56] Compiling Danger CurrentPathProvider.swift
[42/56] Compiling Danger ShellExecutor.swift
[43/56] Compiling Danger SwiftLint.swift
[44/57] Compiling Danger Report.swift
[45/57] Compiling Danger SwiftLintViolation.swift
[46/57] Compiling Danger NSRegularExpressionExtensions.swift
[47/57] Compiling Danger File.swift
[48/57] Compiling Danger Settings.swift
[49/57] Compiling Danger BitBucketServerDSL.swift
[50/57] Compiling Danger Danger.swift
[51/57] Emitting module Danger
[52/57] Compiling Danger GitDSL.swift
[53/57] Compiling Danger GitHubDSL.swift
[54/57] Compiling Danger DangerDSL.swift
/Users/admin/builder/spi-builder-workspace/.build/checkouts/danger-swift/Sources/Danger/DangerDSL.swift:61:24: error: immutable value 'self.github' may only be initialized once
14 |     public let git: Git
15 |
16 |     public let github: GitHub!
   |            `- note: change 'let' to 'var' to make it mutable
17 |
18 |     public let bitbucketServer: BitBucketServer!
   :
59 |             }
60 |
61 |             github.api = Octokit(config)
   |                        `- error: immutable value 'self.github' may only be initialized once
62 |         }
63 |     }
[55/57] Compiling Danger DangerResults.swift
/Users/admin/builder/spi-builder-workspace/.build/checkouts/danger-swift/Sources/Danger/DangerDSL.swift:61:24: error: immutable value 'self.github' may only be initialized once
14 |     public let git: Git
15 |
16 |     public let github: GitHub!
   |            `- note: change 'let' to 'var' to make it mutable
17 |
18 |     public let bitbucketServer: BitBucketServer!
   :
59 |             }
60 |
61 |             github.api = Octokit(config)
   |                        `- error: immutable value 'self.github' may only be initialized once
62 |         }
63 |     }
warning: 'octokit.swift': found 1 file(s) which are unhandled; explicitly declare them as resources or exclude from the target
    /Users/admin/builder/spi-builder-workspace/.build/checkouts/octokit.swift/OctoKit/Info.plist
BUILD FAILURE 6.1 macosSpm