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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 SwiftRetrier, reference 2.0.0 (3740fa), with Swift 6.0 for macOS (SPM) on 6 Feb 2025 17:46:55 UTC.

Build Command

env DEVELOPER_DIR=/Applications/Xcode-16.2.0.app xcrun swift build --arch arm64

Build Log

========================================
RunAll
========================================
Builder version: 4.60.1
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/PittsCraft/SwiftRetrier.git
Reference: 2.0.0
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/PittsCraft/SwiftRetrier
 * tag               2.0.0      -> FETCH_HEAD
HEAD is now at 3740fa9 v2: Cooler ❄️ (#45)
Cloned https://github.com/PittsCraft/SwiftRetrier.git
Revision (git rev-parse @):
3740fa99dcb037f837ce243654eae22cf62f8d78
SUCCESS checkout https://github.com/PittsCraft/SwiftRetrier.git at 2.0.0
========================================
ResolveProductDependencies
========================================
Resolving dependencies ...
{
  "identity": ".resolve-product-dependencies",
  "name": "resolve-dependencies",
  "url": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies",
  "version": "unspecified",
  "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies",
  "dependencies": [
    {
      "identity": "swiftretrier",
      "name": "SwiftRetrier",
      "url": "https://github.com/PittsCraft/SwiftRetrier.git",
      "version": "unspecified",
      "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/SwiftRetrier",
      "dependencies": [
      ]
    }
  ]
}
Fetching https://github.com/PittsCraft/SwiftRetrier.git
[1/1008] Fetching swiftretrier
Fetched https://github.com/PittsCraft/SwiftRetrier.git from cache (0.86s)
Creating working copy for https://github.com/PittsCraft/SwiftRetrier.git
Working copy of https://github.com/PittsCraft/SwiftRetrier.git resolved at 2.0.0 (3740fa9)
warning: '.resolve-product-dependencies': dependency 'swiftretrier' is not used by any target
Found 0 product dependencies
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             6.0
Building package at path:  $PWD
https://github.com/PittsCraft/SwiftRetrier.git
https://github.com/PittsCraft/SwiftRetrier.git
{
  "dependencies" : [
  ],
  "manifest_display_name" : "SwiftRetrier",
  "name" : "SwiftRetrier",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "ios",
      "version" : "14.0"
    },
    {
      "name" : "macos",
      "version" : "12.0"
    }
  ],
  "products" : [
    {
      "name" : "SwiftRetrier",
      "targets" : [
        "SwiftRetrier"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "swift_languages_versions" : [
    "5.8"
  ],
  "targets" : [
    {
      "c99name" : "SwiftRetrierTests",
      "module_type" : "SwiftTarget",
      "name" : "SwiftRetrierTests",
      "path" : "Tests/SwiftRetrierTests",
      "sources" : [
        "JobRepeaterTest.swift",
        "JobRetrierTest.swift",
        "Util.swift"
      ],
      "target_dependencies" : [
        "SwiftRetrier"
      ],
      "type" : "test"
    },
    {
      "c99name" : "SwiftRetrier",
      "module_type" : "SwiftTarget",
      "name" : "SwiftRetrier",
      "path" : "Sources/SwiftRetrier",
      "product_memberships" : [
        "SwiftRetrier"
      ],
      "sources" : [
        "Core/ConstantDelayPolicy/ConstantDelayConstants.swift",
        "Core/ConstantDelayPolicy/ConstantDelayRetryPolicy.swift",
        "Core/ExponentialBackoffPolicy/ExponentialBackoffConstants.swift",
        "Core/ExponentialBackoffPolicy/ExponentialBackoffRetryPolicy.swift",
        "Core/JobRepeater.swift",
        "Core/JobRetrier.swift",
        "Core/Model/AttemptFailure.swift",
        "Core/Model/Job.swift",
        "Core/Model/RetrierEvent.swift",
        "Core/Model/RetryDecision.swift",
        "Core/Model/RetryPolicy.swift",
        "Core/Publishers/ConditionalTrialPublisher.swift",
        "Core/Publishers/RepeatingTrialPublisher.swift",
        "Core/Publishers/TrialPublisher.swift",
        "DSL/BuilderEntryPoints.swift",
        "DSL/GiveUpCriteria.swift",
        "DSL/GiveUpCriteriaPolicyWrapper.swift",
        "DSL/JobRepeater+DSL.swift",
        "DSL/JobRetrier+DSL.swift",
        "DSL/JobRetrierBuilder.swift",
        "DSL/Repeater.swift",
        "DSL/Retrier.swift",
        "DSL/RetrierBuilder.swift",
        "DSL/RetryPolicy+GiveUpOn.swift",
        "Util/Publisher+CancellableFirst.swift",
        "Util/Publisher+CombineWithCondition.swift",
        "Util/Publisher+RetrierEvent.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.8"
}
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-16.2.0.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...
[0/2] Write sources
[1/2] Write swift-version-5BDAB9E9C0126B9D.txt
error: emit-module command failed with exit code 1 (use -v to see invocation)
[3/28] Emitting module SwiftRetrier
<unknown>:0: error: invalid value '5.8' in '-swift-version 5.8'
<unknown>:0: note: valid arguments to '-swift-version' are '4', '4.2', '5', '6'
[4/30] Compiling SwiftRetrier AttemptFailure.swift
<unknown>:0: error: invalid value '5.8' in '-swift-version 5.8'
<unknown>:0: note: valid arguments to '-swift-version' are '4', '4.2', '5', '6'
[5/30] Compiling SwiftRetrier Job.swift
<unknown>:0: error: invalid value '5.8' in '-swift-version 5.8'
<unknown>:0: note: valid arguments to '-swift-version' are '4', '4.2', '5', '6'
[6/30] Compiling SwiftRetrier RetrierEvent.swift
<unknown>:0: error: invalid value '5.8' in '-swift-version 5.8'
<unknown>:0: note: valid arguments to '-swift-version' are '4', '4.2', '5', '6'
[7/30] Compiling SwiftRetrier RetryDecision.swift
<unknown>:0: error: invalid value '5.8' in '-swift-version 5.8'
<unknown>:0: note: valid arguments to '-swift-version' are '4', '4.2', '5', '6'
[8/30] Compiling SwiftRetrier RetryPolicy.swift
<unknown>:0: error: invalid value '5.8' in '-swift-version 5.8'
<unknown>:0: note: valid arguments to '-swift-version' are '4', '4.2', '5', '6'
[9/30] Compiling SwiftRetrier ConditionalTrialPublisher.swift
<unknown>:0: error: invalid value '5.8' in '-swift-version 5.8'
<unknown>:0: note: valid arguments to '-swift-version' are '4', '4.2', '5', '6'
[10/30] Compiling SwiftRetrier Publisher+CombineWithCondition.swift
<unknown>:0: error: invalid value '5.8' in '-swift-version 5.8'
<unknown>:0: note: valid arguments to '-swift-version' are '4', '4.2', '5', '6'
[11/30] Compiling SwiftRetrier Publisher+RetrierEvent.swift
<unknown>:0: error: invalid value '5.8' in '-swift-version 5.8'
<unknown>:0: note: valid arguments to '-swift-version' are '4', '4.2', '5', '6'
[12/30] Compiling SwiftRetrier RetryPolicy+GiveUpOn.swift
<unknown>:0: error: invalid value '5.8' in '-swift-version 5.8'
<unknown>:0: note: valid arguments to '-swift-version' are '4', '4.2', '5', '6'
[13/30] Compiling SwiftRetrier Publisher+CancellableFirst.swift
<unknown>:0: error: invalid value '5.8' in '-swift-version 5.8'
<unknown>:0: note: valid arguments to '-swift-version' are '4', '4.2', '5', '6'
[14/30] Compiling SwiftRetrier Retrier.swift
<unknown>:0: error: invalid value '5.8' in '-swift-version 5.8'
<unknown>:0: note: valid arguments to '-swift-version' are '4', '4.2', '5', '6'
[15/30] Compiling SwiftRetrier RetrierBuilder.swift
<unknown>:0: error: invalid value '5.8' in '-swift-version 5.8'
<unknown>:0: note: valid arguments to '-swift-version' are '4', '4.2', '5', '6'
[16/30] Compiling SwiftRetrier JobRetrier+DSL.swift
<unknown>:0: error: invalid value '5.8' in '-swift-version 5.8'
<unknown>:0: note: valid arguments to '-swift-version' are '4', '4.2', '5', '6'
[17/30] Compiling SwiftRetrier JobRetrierBuilder.swift
<unknown>:0: error: invalid value '5.8' in '-swift-version 5.8'
<unknown>:0: note: valid arguments to '-swift-version' are '4', '4.2', '5', '6'
[18/30] Compiling SwiftRetrier Repeater.swift
<unknown>:0: error: invalid value '5.8' in '-swift-version 5.8'
<unknown>:0: note: valid arguments to '-swift-version' are '4', '4.2', '5', '6'
[19/30] Compiling SwiftRetrier ExponentialBackoffRetryPolicy.swift
<unknown>:0: error: invalid value '5.8' in '-swift-version 5.8'
<unknown>:0: note: valid arguments to '-swift-version' are '4', '4.2', '5', '6'
[20/30] Compiling SwiftRetrier JobRepeater.swift
<unknown>:0: error: invalid value '5.8' in '-swift-version 5.8'
<unknown>:0: note: valid arguments to '-swift-version' are '4', '4.2', '5', '6'
[21/30] Compiling SwiftRetrier JobRetrier.swift
<unknown>:0: error: invalid value '5.8' in '-swift-version 5.8'
<unknown>:0: note: valid arguments to '-swift-version' are '4', '4.2', '5', '6'
[22/30] Compiling SwiftRetrier GiveUpCriteria.swift
<unknown>:0: error: invalid value '5.8' in '-swift-version 5.8'
<unknown>:0: note: valid arguments to '-swift-version' are '4', '4.2', '5', '6'
[23/30] Compiling SwiftRetrier GiveUpCriteriaPolicyWrapper.swift
<unknown>:0: error: invalid value '5.8' in '-swift-version 5.8'
<unknown>:0: note: valid arguments to '-swift-version' are '4', '4.2', '5', '6'
[24/30] Compiling SwiftRetrier JobRepeater+DSL.swift
<unknown>:0: error: invalid value '5.8' in '-swift-version 5.8'
<unknown>:0: note: valid arguments to '-swift-version' are '4', '4.2', '5', '6'
[25/30] Compiling SwiftRetrier RepeatingTrialPublisher.swift
<unknown>:0: error: invalid value '5.8' in '-swift-version 5.8'
<unknown>:0: note: valid arguments to '-swift-version' are '4', '4.2', '5', '6'
[26/30] Compiling SwiftRetrier TrialPublisher.swift
<unknown>:0: error: invalid value '5.8' in '-swift-version 5.8'
<unknown>:0: note: valid arguments to '-swift-version' are '4', '4.2', '5', '6'
[27/30] Compiling SwiftRetrier BuilderEntryPoints.swift
<unknown>:0: error: invalid value '5.8' in '-swift-version 5.8'
<unknown>:0: note: valid arguments to '-swift-version' are '4', '4.2', '5', '6'
[28/30] Compiling SwiftRetrier ConstantDelayConstants.swift
<unknown>:0: error: invalid value '5.8' in '-swift-version 5.8'
<unknown>:0: note: valid arguments to '-swift-version' are '4', '4.2', '5', '6'
[29/30] Compiling SwiftRetrier ConstantDelayRetryPolicy.swift
<unknown>:0: error: invalid value '5.8' in '-swift-version 5.8'
<unknown>:0: note: valid arguments to '-swift-version' are '4', '4.2', '5', '6'
[30/30] Compiling SwiftRetrier ExponentialBackoffConstants.swift
<unknown>:0: error: invalid value '5.8' in '-swift-version 5.8'
<unknown>:0: note: valid arguments to '-swift-version' are '4', '4.2', '5', '6'
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-16.2.0.app xcrun swift build --arch arm64
[0/1] Planning build
Building for debugging...
[0/1] Write swift-version-5BDAB9E9C0126B9D.txt
[2/27] Compiling SwiftRetrier ConstantDelayConstants.swift
<unknown>:0: error: invalid value '5.8' in '-swift-version 5.8'
<unknown>:0: note: valid arguments to '-swift-version' are '4', '4.2', '5', '6'
[3/27] Compiling SwiftRetrier ConstantDelayRetryPolicy.swift
<unknown>:0: error: invalid value '5.8' in '-swift-version 5.8'
<unknown>:0: note: valid arguments to '-swift-version' are '4', '4.2', '5', '6'
[4/27] Compiling SwiftRetrier ExponentialBackoffConstants.swift
<unknown>:0: error: invalid value '5.8' in '-swift-version 5.8'
<unknown>:0: note: valid arguments to '-swift-version' are '4', '4.2', '5', '6'
error: emit-module command failed with exit code 1 (use -v to see invocation)
[5/29] Emitting module SwiftRetrier
<unknown>:0: error: invalid value '5.8' in '-swift-version 5.8'
<unknown>:0: note: valid arguments to '-swift-version' are '4', '4.2', '5', '6'
[6/29] Compiling SwiftRetrier AttemptFailure.swift
<unknown>:0: error: invalid value '5.8' in '-swift-version 5.8'
<unknown>:0: note: valid arguments to '-swift-version' are '4', '4.2', '5', '6'
[7/29] Compiling SwiftRetrier Job.swift
<unknown>:0: error: invalid value '5.8' in '-swift-version 5.8'
<unknown>:0: note: valid arguments to '-swift-version' are '4', '4.2', '5', '6'
[8/29] Compiling SwiftRetrier RetrierEvent.swift
<unknown>:0: error: invalid value '5.8' in '-swift-version 5.8'
<unknown>:0: note: valid arguments to '-swift-version' are '4', '4.2', '5', '6'
[9/29] Compiling SwiftRetrier GiveUpCriteria.swift
<unknown>:0: error: invalid value '5.8' in '-swift-version 5.8'
<unknown>:0: note: valid arguments to '-swift-version' are '4', '4.2', '5', '6'
[10/29] Compiling SwiftRetrier GiveUpCriteriaPolicyWrapper.swift
<unknown>:0: error: invalid value '5.8' in '-swift-version 5.8'
<unknown>:0: note: valid arguments to '-swift-version' are '4', '4.2', '5', '6'
[11/29] Compiling SwiftRetrier JobRepeater+DSL.swift
<unknown>:0: error: invalid value '5.8' in '-swift-version 5.8'
<unknown>:0: note: valid arguments to '-swift-version' are '4', '4.2', '5', '6'
[12/29] Compiling SwiftRetrier RetryPolicy+GiveUpOn.swift
<unknown>:0: error: invalid value '5.8' in '-swift-version 5.8'
<unknown>:0: note: valid arguments to '-swift-version' are '4', '4.2', '5', '6'
[13/29] Compiling SwiftRetrier Publisher+CancellableFirst.swift
<unknown>:0: error: invalid value '5.8' in '-swift-version 5.8'
<unknown>:0: note: valid arguments to '-swift-version' are '4', '4.2', '5', '6'
[14/29] Compiling SwiftRetrier JobRetrier+DSL.swift
<unknown>:0: error: invalid value '5.8' in '-swift-version 5.8'
<unknown>:0: note: valid arguments to '-swift-version' are '4', '4.2', '5', '6'
[15/29] Compiling SwiftRetrier JobRetrierBuilder.swift
<unknown>:0: error: invalid value '5.8' in '-swift-version 5.8'
<unknown>:0: note: valid arguments to '-swift-version' are '4', '4.2', '5', '6'
[16/29] Compiling SwiftRetrier Repeater.swift
<unknown>:0: error: invalid value '5.8' in '-swift-version 5.8'
<unknown>:0: note: valid arguments to '-swift-version' are '4', '4.2', '5', '6'
[17/29] Compiling SwiftRetrier RetryDecision.swift
<unknown>:0: error: invalid value '5.8' in '-swift-version 5.8'
<unknown>:0: note: valid arguments to '-swift-version' are '4', '4.2', '5', '6'
[18/29] Compiling SwiftRetrier RetryPolicy.swift
<unknown>:0: error: invalid value '5.8' in '-swift-version 5.8'
<unknown>:0: note: valid arguments to '-swift-version' are '4', '4.2', '5', '6'
[19/29] Compiling SwiftRetrier ConditionalTrialPublisher.swift
<unknown>:0: error: invalid value '5.8' in '-swift-version 5.8'
<unknown>:0: note: valid arguments to '-swift-version' are '4', '4.2', '5', '6'
[20/29] Compiling SwiftRetrier RepeatingTrialPublisher.swift
<unknown>:0: error: invalid value '5.8' in '-swift-version 5.8'
<unknown>:0: note: valid arguments to '-swift-version' are '4', '4.2', '5', '6'
[21/29] Compiling SwiftRetrier TrialPublisher.swift
<unknown>:0: error: invalid value '5.8' in '-swift-version 5.8'
<unknown>:0: note: valid arguments to '-swift-version' are '4', '4.2', '5', '6'
[22/29] Compiling SwiftRetrier BuilderEntryPoints.swift
<unknown>:0: error: invalid value '5.8' in '-swift-version 5.8'
<unknown>:0: note: valid arguments to '-swift-version' are '4', '4.2', '5', '6'
[23/29] Compiling SwiftRetrier Retrier.swift
<unknown>:0: error: invalid value '5.8' in '-swift-version 5.8'
<unknown>:0: note: valid arguments to '-swift-version' are '4', '4.2', '5', '6'
[24/29] Compiling SwiftRetrier RetrierBuilder.swift
<unknown>:0: error: invalid value '5.8' in '-swift-version 5.8'
<unknown>:0: note: valid arguments to '-swift-version' are '4', '4.2', '5', '6'
[25/29] Compiling SwiftRetrier ExponentialBackoffRetryPolicy.swift
<unknown>:0: error: invalid value '5.8' in '-swift-version 5.8'
<unknown>:0: note: valid arguments to '-swift-version' are '4', '4.2', '5', '6'
[26/29] Compiling SwiftRetrier JobRepeater.swift
<unknown>:0: error: invalid value '5.8' in '-swift-version 5.8'
<unknown>:0: note: valid arguments to '-swift-version' are '4', '4.2', '5', '6'
[27/29] Compiling SwiftRetrier JobRetrier.swift
<unknown>:0: error: invalid value '5.8' in '-swift-version 5.8'
<unknown>:0: note: valid arguments to '-swift-version' are '4', '4.2', '5', '6'
[28/29] Compiling SwiftRetrier Publisher+CombineWithCondition.swift
<unknown>:0: error: invalid value '5.8' in '-swift-version 5.8'
<unknown>:0: note: valid arguments to '-swift-version' are '4', '4.2', '5', '6'
[29/29] Compiling SwiftRetrier Publisher+RetrierEvent.swift
<unknown>:0: error: invalid value '5.8' in '-swift-version 5.8'
<unknown>:0: note: valid arguments to '-swift-version' are '4', '4.2', '5', '6'
BUILD FAILURE 6.0 macosSpm