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Build Information

Successful build of URLEncodedForm, reference main (62b628), with Swift 6.1 for Linux on 24 Apr 2026 02:33:15 UTC.

Swift 6 data race errors: 3

Build Command

bash -c docker run --pull=always --rm -v "checkouts-4609320-3":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/swiftpackageindex/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

Build Log

========================================
RunAll
========================================
Builder version: 4.70.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/forXifLess/URLEncodedForm.git
Reference: main
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/forXifLess/URLEncodedForm
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at 62b6280 Merge pull request #1 from nathreed/patch-1
Cloned https://github.com/forXifLess/URLEncodedForm.git
Revision (git rev-parse @):
62b628013be138cc2136b0f7323f7658cdc84c10
SUCCESS checkout https://github.com/forXifLess/URLEncodedForm.git at main
========================================
Build
========================================
Selected platform:         linux
Swift version:             6.1
Building package at path:  $PWD
https://github.com/forXifLess/URLEncodedForm.git
https://github.com/forXifLess/URLEncodedForm.git
WARNING: environment variable SUPPRESS_SWIFT_6_FLAGS is not set
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4609320-3":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/swiftpackageindex/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 swiftpackageindex/spi-images
Digest: sha256:a7bfd71e9384436264431030299dc8a2d42d0664a168cfa1a5dd84c9bc592ccf
Status: Image is up to date for registry.gitlab.com/swiftpackageindex/spi-images:basic-6.1-latest
Fetching https://github.com/airbnb/swift
[1/5064] Fetching swift
Fetched https://github.com/airbnb/swift from cache (2.58s)
Computing version for https://github.com/airbnb/swift
Computed https://github.com/airbnb/swift at 1.2.0 (4.86s)
Fetching https://github.com/apple/swift-argument-parser
[1/17464] Fetching swift-argument-parser
Fetched https://github.com/apple/swift-argument-parser from cache (0.72s)
Computing version for https://github.com/apple/swift-argument-parser
Computed https://github.com/apple/swift-argument-parser at 1.7.1 (1.29s)
Creating working copy for https://github.com/apple/swift-argument-parser
Working copy of https://github.com/apple/swift-argument-parser resolved at 1.7.1
Creating working copy for https://github.com/airbnb/swift
Working copy of https://github.com/airbnb/swift resolved at 1.2.0
Downloading binary artifact https://github.com/realm/SwiftLint/releases/download/0.55.1/SwiftLintBinary-macos.artifactbundle.zip
Downloading binary artifact https://github.com/calda/SwiftFormat-nightly/releases/download/2025-12-20/SwiftFormat.artifactbundle.zip
[898/11034045] Downloading https://github.com/realm/SwiftLint/releases/download/0.55.1/SwiftLintBinary-macos.artifactbundle.zip
[32890/57305396] Downloading https://github.com/realm/SwiftLint/releases/download/0.55.1/SwiftLintBinary-macos.artifactbundle.zip, https://github.com/calda/SwiftFormat-nightly/releases/download/2025-12-20/SwiftFormat.artifactbundle.zip
Downloaded https://github.com/realm/SwiftLint/releases/download/0.55.1/SwiftLintBinary-macos.artifactbundle.zip (1.59s)
Downloaded https://github.com/calda/SwiftFormat-nightly/releases/download/2025-12-20/SwiftFormat.artifactbundle.zip (4.79s)
/host/spi-builder-workspace/.build/checkouts/swift/Plugins/FormatSwift/Plugin.swift:52:13: warning: 'launchPath' is deprecated: renamed to 'executableURL'
 50 |
 51 |     let process = Process()
 52 |     process.launchPath = launchPath
    |             |- warning: 'launchPath' is deprecated: renamed to 'executableURL'
    |             `- note: use 'executableURL' instead
 53 |     process.arguments = arguments
 54 |     try process.run()
[1/1] Compiling plugin FormatSwift
[2/2] Compiling plugin GenerateManual
[3/3] Compiling plugin GenerateDoccReference
Building for debugging...
[3/5] Write sources
[4/5] Write swift-version-24593BA9C3E375BF.txt
[6/20] Compiling URLEncodedForm URLEncodedFormData.swift
[7/20] Compiling URLEncodedForm URLEncodedFormDataContext.swift
[8/22] Compiling URLEncodedForm NestedData.swift
[9/22] Compiling URLEncodedForm URLEncodedFormError.swift
[10/22] Compiling URLEncodedForm Byte+Control.swift
[11/22] Compiling URLEncodedForm Bytes.swift
[12/22] Compiling URLEncodedForm URLEncodedFormDecoder.swift
[13/22] Compiling URLEncodedForm URLEncodedFormEncoder.swift
[14/22] Compiling URLEncodedForm DataDecoder.swift
[15/22] Compiling URLEncodedForm DataEncoder.swift
[16/22] Emitting module URLEncodedForm
/host/spi-builder-workspace/Sources/URLEncodedForm/Data/URLEncodedFormParser.swift:16:14: warning: static property 'default' is not concurrency-safe because non-'Sendable' type 'URLEncodedFormParser' may have shared mutable state; this is an error in the Swift 6 language mode
  4 |
  5 | /// Converts `Data` to `[String: URLEncodedFormData]`.
  6 | final class URLEncodedFormParser {
    |             `- note: class 'URLEncodedFormParser' does not conform to the 'Sendable' protocol
  7 |
  8 |   // MARK: Lifecycle
    :
 14 |
 15 |   /// Default form url encoded parser.
 16 |   static let `default` = URLEncodedFormParser()
    |              |- warning: static property 'default' is not concurrency-safe because non-'Sendable' type 'URLEncodedFormParser' may have shared mutable state; this is an error in the Swift 6 language mode
    |              |- note: add '@MainActor' to make static property 'default' part of global actor 'MainActor'
    |              `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 17 |
 18 |   /// Parses the data.
/host/spi-builder-workspace/Sources/URLEncodedForm/Data/URLEncodedFormSerializer.swift:16:14: warning: static property 'default' is not concurrency-safe because non-'Sendable' type 'URLEncodedFormSerializer' may have shared mutable state; this is an error in the Swift 6 language mode
 4 |
 5 | /// Converts `[String: URLEncodedFormData]` structs to `Data`.
 6 | final class URLEncodedFormSerializer {
   |             `- note: class 'URLEncodedFormSerializer' does not conform to the 'Sendable' protocol
 7 |
 8 |   // MARK: Lifecycle
   :
14 |
15 |   /// Default form url encoded serializer.
16 |   static let `default` = URLEncodedFormSerializer()
   |              |- warning: static property 'default' is not concurrency-safe because non-'Sendable' type 'URLEncodedFormSerializer' may have shared mutable state; this is an error in the Swift 6 language mode
   |              |- note: add '@MainActor' to make static property 'default' part of global actor 'MainActor'
   |              `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
17 |
18 |   /// Serializes the data.
/host/spi-builder-workspace/Sources/URLEncodedForm/Data/URLEncodedFormSerializer.swift:87:13: warning: var '_allowedCharacters' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
85 |
86 | /// Characters allowed in form-urlencoded data.
87 | private var _allowedCharacters: CharacterSet = {
   |             |- warning: var '_allowedCharacters' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
   |             |- note: convert '_allowedCharacters' to a 'let' constant to make 'Sendable' shared state immutable
   |             |- note: add '@MainActor' to make var '_allowedCharacters' part of global actor 'MainActor'
   |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
88 |   var allowed = CharacterSet.urlQueryAllowed
89 |   allowed.remove(charactersIn: "?&=[];+")
[17/22] Compiling URLEncodedForm URLEncodedFormDataConvertible.swift
/host/spi-builder-workspace/Sources/URLEncodedForm/Data/URLEncodedFormParser.swift:16:14: warning: static property 'default' is not concurrency-safe because non-'Sendable' type 'URLEncodedFormParser' may have shared mutable state; this is an error in the Swift 6 language mode
  4 |
  5 | /// Converts `Data` to `[String: URLEncodedFormData]`.
  6 | final class URLEncodedFormParser {
    |             `- note: class 'URLEncodedFormParser' does not conform to the 'Sendable' protocol
  7 |
  8 |   // MARK: Lifecycle
    :
 14 |
 15 |   /// Default form url encoded parser.
 16 |   static let `default` = URLEncodedFormParser()
    |              |- warning: static property 'default' is not concurrency-safe because non-'Sendable' type 'URLEncodedFormParser' may have shared mutable state; this is an error in the Swift 6 language mode
    |              |- note: add '@MainActor' to make static property 'default' part of global actor 'MainActor'
    |              `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 17 |
 18 |   /// Parses the data.
[18/22] Compiling URLEncodedForm URLEncodedFormParser.swift
/host/spi-builder-workspace/Sources/URLEncodedForm/Data/URLEncodedFormParser.swift:16:14: warning: static property 'default' is not concurrency-safe because non-'Sendable' type 'URLEncodedFormParser' may have shared mutable state; this is an error in the Swift 6 language mode
  4 |
  5 | /// Converts `Data` to `[String: URLEncodedFormData]`.
  6 | final class URLEncodedFormParser {
    |             `- note: class 'URLEncodedFormParser' does not conform to the 'Sendable' protocol
  7 |
  8 |   // MARK: Lifecycle
    :
 14 |
 15 |   /// Default form url encoded parser.
 16 |   static let `default` = URLEncodedFormParser()
    |              |- warning: static property 'default' is not concurrency-safe because non-'Sendable' type 'URLEncodedFormParser' may have shared mutable state; this is an error in the Swift 6 language mode
    |              |- note: add '@MainActor' to make static property 'default' part of global actor 'MainActor'
    |              `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 17 |
 18 |   /// Parses the data.
[19/22] Compiling URLEncodedForm URLEncodedFormSerializer.swift
/host/spi-builder-workspace/Sources/URLEncodedForm/Data/URLEncodedFormSerializer.swift:16:14: warning: static property 'default' is not concurrency-safe because non-'Sendable' type 'URLEncodedFormSerializer' may have shared mutable state; this is an error in the Swift 6 language mode
 4 |
 5 | /// Converts `[String: URLEncodedFormData]` structs to `Data`.
 6 | final class URLEncodedFormSerializer {
   |             `- note: class 'URLEncodedFormSerializer' does not conform to the 'Sendable' protocol
 7 |
 8 |   // MARK: Lifecycle
   :
14 |
15 |   /// Default form url encoded serializer.
16 |   static let `default` = URLEncodedFormSerializer()
   |              |- warning: static property 'default' is not concurrency-safe because non-'Sendable' type 'URLEncodedFormSerializer' may have shared mutable state; this is an error in the Swift 6 language mode
   |              |- note: add '@MainActor' to make static property 'default' part of global actor 'MainActor'
   |              `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
17 |
18 |   /// Serializes the data.
/host/spi-builder-workspace/Sources/URLEncodedForm/Data/URLEncodedFormSerializer.swift:87:13: warning: var '_allowedCharacters' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
85 |
86 | /// Characters allowed in form-urlencoded data.
87 | private var _allowedCharacters: CharacterSet = {
   |             |- warning: var '_allowedCharacters' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
   |             |- note: convert '_allowedCharacters' to a 'let' constant to make 'Sendable' shared state immutable
   |             |- note: add '@MainActor' to make var '_allowedCharacters' part of global actor 'MainActor'
   |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
88 |   var allowed = CharacterSet.urlQueryAllowed
89 |   allowed.remove(charactersIn: "?&=[];+")
[20/22] Compiling URLEncodedForm URLEncodedForm.swift
/host/spi-builder-workspace/Sources/URLEncodedForm/Data/URLEncodedFormSerializer.swift:16:14: warning: static property 'default' is not concurrency-safe because non-'Sendable' type 'URLEncodedFormSerializer' may have shared mutable state; this is an error in the Swift 6 language mode
 4 |
 5 | /// Converts `[String: URLEncodedFormData]` structs to `Data`.
 6 | final class URLEncodedFormSerializer {
   |             `- note: class 'URLEncodedFormSerializer' does not conform to the 'Sendable' protocol
 7 |
 8 |   // MARK: Lifecycle
   :
14 |
15 |   /// Default form url encoded serializer.
16 |   static let `default` = URLEncodedFormSerializer()
   |              |- warning: static property 'default' is not concurrency-safe because non-'Sendable' type 'URLEncodedFormSerializer' may have shared mutable state; this is an error in the Swift 6 language mode
   |              |- note: add '@MainActor' to make static property 'default' part of global actor 'MainActor'
   |              `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
17 |
18 |   /// Serializes the data.
/host/spi-builder-workspace/Sources/URLEncodedForm/Data/URLEncodedFormSerializer.swift:87:13: warning: var '_allowedCharacters' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
85 |
86 | /// Characters allowed in form-urlencoded data.
87 | private var _allowedCharacters: CharacterSet = {
   |             |- warning: var '_allowedCharacters' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
   |             |- note: convert '_allowedCharacters' to a 'let' constant to make 'Sendable' shared state immutable
   |             |- note: add '@MainActor' to make var '_allowedCharacters' part of global actor 'MainActor'
   |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
88 |   var allowed = CharacterSet.urlQueryAllowed
89 |   allowed.remove(charactersIn: "?&=[];+")
[21/22] Compiling URLEncodedForm BasicKey.swift
[22/22] Compiling URLEncodedForm LosslessDataConvertible.swift
Build complete! (30.24s)
Build complete.
{
  "dependencies" : [
    {
      "identity" : "swift",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "1.0.5",
            "upper_bound" : "2.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/airbnb/swift"
    }
  ],
  "manifest_display_name" : "URLEncodedForm",
  "name" : "URLEncodedForm",
  "path" : "/host/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "ios",
      "version" : "13.0"
    }
  ],
  "products" : [
    {
      "name" : "URLEncodedForm",
      "targets" : [
        "URLEncodedForm"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "URLEncodedFormTests",
      "module_type" : "SwiftTarget",
      "name" : "URLEncodedFormTests",
      "path" : "Tests/URLEncodedFormTests",
      "sources" : [
        "URLEncodedFormTests.swift"
      ],
      "target_dependencies" : [
        "URLEncodedForm"
      ],
      "type" : "test"
    },
    {
      "c99name" : "URLEncodedForm",
      "module_type" : "SwiftTarget",
      "name" : "URLEncodedForm",
      "path" : "Sources/URLEncodedForm",
      "product_memberships" : [
        "URLEncodedForm"
      ],
      "sources" : [
        "Codable/URLEncodedFormDecoder.swift",
        "Codable/URLEncodedFormEncoder.swift",
        "Core/DataDecoder.swift",
        "Core/DataEncoder.swift",
        "Core/NestedData.swift",
        "Core/URLEncodedFormError.swift",
        "Data/URLEncodedFormData.swift",
        "Data/URLEncodedFormDataContext.swift",
        "Data/URLEncodedFormDataConvertible.swift",
        "Data/URLEncodedFormParser.swift",
        "Data/URLEncodedFormSerializer.swift",
        "URLEncodedForm.swift",
        "Util/Bytes/Byte+Control.swift",
        "Util/Bytes/Bytes.swift",
        "Util/CodingKey/BasicKey.swift",
        "Util/LosslessDataConvertible.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.8"
}
basic-6.1-latest: Pulling from swiftpackageindex/spi-images
Digest: sha256:a7bfd71e9384436264431030299dc8a2d42d0664a168cfa1a5dd84c9bc592ccf
Status: Image is up to date for registry.gitlab.com/swiftpackageindex/spi-images:basic-6.1-latest
Done.