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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 Erik, reference 5.1.0 (109a13), with Swift 6.1 for Linux on 26 Apr 2025 21:32:33 UTC.

Build Command

bash -c docker run --pull=always --rm -v "checkouts-4606859-1":/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/phimage/Erik.git
Reference: 5.1.0
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/phimage/Erik
 * tag               5.1.0      -> FETCH_HEAD
HEAD is now at 109a130 Update package swift
Cloned https://github.com/phimage/Erik.git
Revision (git rev-parse @):
109a130e9cdb00789a43a7a625293eeb12d22989
SUCCESS checkout https://github.com/phimage/Erik.git at 5.1.0
========================================
Build
========================================
Selected platform:         linux
Swift version:             6.1
Building package at path:  $PWD
https://github.com/phimage/Erik.git
https://github.com/phimage/Erik.git
WARNING: environment variable SUPPRESS_SWIFT_6_FLAGS is not set
{
  "dependencies" : [
    {
      "identity" : "kanna",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "5.0.0",
            "upper_bound" : "6.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/tid-kijyun/Kanna.git"
    },
    {
      "identity" : "brightfutures",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "8.0.0",
            "upper_bound" : "9.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/Thomvis/BrightFutures.git"
    },
    {
      "identity" : "filekit",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "6.0.0",
            "upper_bound" : "7.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/nvzqz/FileKit.git"
    }
  ],
  "manifest_display_name" : "Erik",
  "name" : "Erik",
  "path" : "/host/spi-builder-workspace",
  "platforms" : [
  ],
  "products" : [
    {
      "name" : "Erik",
      "targets" : [
        "Erik"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "ErikTests",
      "module_type" : "SwiftTarget",
      "name" : "ErikTests",
      "path" : "ErikTests",
      "product_dependencies" : [
        "Kanna",
        "BrightFutures",
        "FileKit"
      ],
      "sources" : [
        "ErikTests.swift",
        "KannaTests.swift"
      ],
      "target_dependencies" : [
        "Erik"
      ],
      "type" : "test"
    },
    {
      "c99name" : "Erik",
      "module_type" : "SwiftTarget",
      "name" : "Erik",
      "path" : "Sources",
      "product_dependencies" : [
        "Kanna",
        "BrightFutures"
      ],
      "product_memberships" : [
        "Erik"
      ],
      "sources" : [
        "Document.swift",
        "Erik.swift",
        "Future/Future.swift",
        "LayoutEngine.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.1"
}
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4606859-1":/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/tid-kijyun/Kanna.git
Fetching https://github.com/nvzqz/FileKit.git
Fetching https://github.com/Thomvis/BrightFutures.git
[1/3123] Fetching filekit
[657/5444] Fetching filekit, kanna
[2001/9511] Fetching filekit, kanna, brightfutures
Fetched https://github.com/tid-kijyun/Kanna.git from cache (0.77s)
Fetched https://github.com/nvzqz/FileKit.git from cache (0.79s)
Fetched https://github.com/Thomvis/BrightFutures.git from cache (0.81s)
Computing version for https://github.com/nvzqz/FileKit.git
Computed https://github.com/nvzqz/FileKit.git at 6.1.0 (1.39s)
Computing version for https://github.com/Thomvis/BrightFutures.git
Computed https://github.com/Thomvis/BrightFutures.git at 8.2.0 (0.96s)
Computing version for https://github.com/tid-kijyun/Kanna.git
Computed https://github.com/tid-kijyun/Kanna.git at 5.3.0 (0.60s)
Creating working copy for https://github.com/Thomvis/BrightFutures.git
Working copy of https://github.com/Thomvis/BrightFutures.git resolved at 8.2.0
Creating working copy for https://github.com/tid-kijyun/Kanna.git
Working copy of https://github.com/tid-kijyun/Kanna.git resolved at 5.3.0
Creating working copy for https://github.com/nvzqz/FileKit.git
Working copy of https://github.com/nvzqz/FileKit.git resolved at 6.1.0
Building for debugging...
[0/5] Write sources
[3/5] Copying PrivacyInfo.xcprivacy
[4/5] Write swift-version-24593BA9C3E375BF.txt
[6/29] Emitting module BrightFutures
[7/31] Compiling BrightFutures SequenceType+BrightFutures.swift
[8/31] Compiling BrightFutures SwiftConcurrency+BrightFutures.swift
[9/31] Compiling BrightFutures Result+BrightFutures.swift
[10/31] Compiling BrightFutures ResultProtocol.swift
[11/31] Compiling BrightFutures NSOperationQueue+BrightFutures.swift
[12/31] Compiling BrightFutures Promise.swift
[13/31] Compiling Kanna resource_bundle_accessor.swift
[14/31] Compiling Kanna libxmlParserOption.swift
[15/31] Compiling Kanna Deprecated.swift
[16/31] Compiling Kanna CSS.swift
[17/31] Emitting module Kanna
[18/31] Compiling Kanna Kanna.swift
[19/31] Compiling BrightFutures Future.swift
[20/31] Compiling BrightFutures InvalidationToken.swift
[21/31] Compiling BrightFutures MutableAsyncType+ResultType.swift
[22/31] Compiling BrightFutures MutableAsyncType.swift
[23/31] Compiling BrightFutures AsyncType.swift
[24/31] Compiling BrightFutures Dispatch+BrightFutures.swift
[25/31] Compiling BrightFutures Async.swift
[26/31] Compiling BrightFutures AsyncType+Debug.swift
[27/31] Compiling BrightFutures AsyncType+ResultType.swift
[28/31] Compiling BrightFutures Errors.swift
[29/31] Compiling BrightFutures ExecutionContext.swift
[31/32] Compiling Kanna libxmlHTMLNode.swift
[32/32] Compiling Kanna libxmlHTMLDocument.swift
error: emit-module command failed with exit code 1 (use -v to see invocation)
[34/38] Emitting module Erik
/host/spi-builder-workspace/Sources/Erik.swift:25:8: error: no such module 'WebKit'
 23 |
 24 | import Foundation
 25 | import WebKit
    |        `- error: no such module 'WebKit'
 26 |
 27 | public typealias DocumentCompletionHandler = ((Document?, Error?) -> Void)
[35/38] Compiling Erik LayoutEngine.swift
/host/spi-builder-workspace/Sources/Erik.swift:25:8: error: no such module 'WebKit'
 23 |
 24 | import Foundation
 25 | import WebKit
    |        `- error: no such module 'WebKit'
 26 |
 27 | public typealias DocumentCompletionHandler = ((Document?, Error?) -> Void)
[36/38] Compiling Erik Future.swift
/host/spi-builder-workspace/Sources/Erik.swift:25:8: error: no such module 'WebKit'
 23 |
 24 | import Foundation
 25 | import WebKit
    |        `- error: no such module 'WebKit'
 26 |
 27 | public typealias DocumentCompletionHandler = ((Document?, Error?) -> Void)
[37/38] Compiling Erik Erik.swift
/host/spi-builder-workspace/Sources/Erik.swift:25:8: error: no such module 'WebKit'
 23 |
 24 | import Foundation
 25 | import WebKit
    |        `- error: no such module 'WebKit'
 26 |
 27 | public typealias DocumentCompletionHandler = ((Document?, Error?) -> Void)
[38/38] Compiling Erik Document.swift
/host/spi-builder-workspace/Sources/Erik.swift:25:8: error: no such module 'WebKit'
 23 |
 24 | import Foundation
 25 | import WebKit
    |        `- error: no such module 'WebKit'
 26 |
 27 | public typealias DocumentCompletionHandler = ((Document?, Error?) -> Void)
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4606859-1":/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...
[0/1] Write swift-version-24593BA9C3E375BF.txt
[2/25] Emitting module BrightFutures
[3/27] Compiling BrightFutures AsyncType.swift
[4/27] Compiling BrightFutures Dispatch+BrightFutures.swift
[5/27] Compiling BrightFutures MutableAsyncType+ResultType.swift
[6/27] Compiling BrightFutures MutableAsyncType.swift
[7/27] Compiling BrightFutures Future.swift
[8/27] Compiling BrightFutures InvalidationToken.swift
[9/27] Compiling BrightFutures Errors.swift
[10/27] Compiling BrightFutures ExecutionContext.swift
[11/27] Compiling BrightFutures NSOperationQueue+BrightFutures.swift
[12/27] Compiling BrightFutures Promise.swift
[13/27] Compiling BrightFutures Result+BrightFutures.swift
[14/27] Compiling BrightFutures ResultProtocol.swift
[15/27] Compiling BrightFutures SequenceType+BrightFutures.swift
[16/27] Compiling BrightFutures SwiftConcurrency+BrightFutures.swift
[17/27] Compiling BrightFutures Async.swift
[18/27] Compiling BrightFutures AsyncType+Debug.swift
[19/27] Compiling BrightFutures AsyncType+ResultType.swift
[20/28] Emitting module Kanna
[21/28] Compiling Kanna resource_bundle_accessor.swift
[22/28] Compiling Kanna libxmlParserOption.swift
[23/28] Compiling Kanna libxmlHTMLNode.swift
[24/28] Compiling Kanna Kanna.swift
[25/28] Compiling Kanna Deprecated.swift
[26/28] Compiling Kanna CSS.swift
[27/28] Compiling Kanna libxmlHTMLDocument.swift
error: emit-module command failed with exit code 1 (use -v to see invocation)
[30/34] Emitting module Erik
/host/spi-builder-workspace/Sources/Erik.swift:25:8: error: no such module 'WebKit'
 23 |
 24 | import Foundation
 25 | import WebKit
    |        `- error: no such module 'WebKit'
 26 |
 27 | public typealias DocumentCompletionHandler = ((Document?, Error?) -> Void)
[31/34] Compiling Erik Document.swift
/host/spi-builder-workspace/Sources/Erik.swift:25:8: error: no such module 'WebKit'
 23 |
 24 | import Foundation
 25 | import WebKit
    |        `- error: no such module 'WebKit'
 26 |
 27 | public typealias DocumentCompletionHandler = ((Document?, Error?) -> Void)
[32/34] Compiling Erik LayoutEngine.swift
/host/spi-builder-workspace/Sources/Erik.swift:25:8: error: no such module 'WebKit'
 23 |
 24 | import Foundation
 25 | import WebKit
    |        `- error: no such module 'WebKit'
 26 |
 27 | public typealias DocumentCompletionHandler = ((Document?, Error?) -> Void)
[33/34] Compiling Erik Future.swift
/host/spi-builder-workspace/Sources/Erik.swift:25:8: error: no such module 'WebKit'
 23 |
 24 | import Foundation
 25 | import WebKit
    |        `- error: no such module 'WebKit'
 26 |
 27 | public typealias DocumentCompletionHandler = ((Document?, Error?) -> Void)
[34/34] Compiling Erik Erik.swift
/host/spi-builder-workspace/Sources/Erik.swift:25:8: error: no such module 'WebKit'
 23 |
 24 | import Foundation
 25 | import WebKit
    |        `- error: no such module 'WebKit'
 26 |
 27 | public typealias DocumentCompletionHandler = ((Document?, Error?) -> Void)
BUILD FAILURE 6.1 linux