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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 MeterReporter, reference main (537004), with Swift 6.1 for iOS using Xcode 16.3 on 26 Apr 2025 21:22:30 UTC.

Build Command

env DEVELOPER_DIR=/Applications/Xcode-16.3.0.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme MeterReporter -destination generic/platform=iOS

Build Log

========================================
RunAll
========================================
Builder version: 4.61.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/ChimeHQ/MeterReporter.git
Reference: main
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/ChimeHQ/MeterReporter
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at 5370040 Fix Badges
Cloned https://github.com/ChimeHQ/MeterReporter.git
Revision (git rev-parse @):
5370040cd8af14372555ed513cf89cea4aa2115b
SUCCESS checkout https://github.com/ChimeHQ/MeterReporter.git at main
========================================
Build
========================================
Selected platform:         iOS
Swift version:             6.1
Building package at path:  $PWD
https://github.com/ChimeHQ/MeterReporter.git
https://github.com/ChimeHQ/MeterReporter.git
{
  "dependencies" : [
    {
      "identity" : "meter",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "0.4.0",
            "upper_bound" : "1.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/ChimeHQ/Meter"
    },
    {
      "identity" : "wells",
      "requirement" : {
        "revision" : [
          "c31f833829083c5966adeff16832879acdcad214"
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/ChimeHQ/Wells"
    }
  ],
  "manifest_display_name" : "MeterReporter",
  "name" : "MeterReporter",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "macos",
      "version" : "11.0"
    },
    {
      "name" : "maccatalyst",
      "version" : "13.0"
    },
    {
      "name" : "ios",
      "version" : "12.0"
    },
    {
      "name" : "tvos",
      "version" : "12.0"
    },
    {
      "name" : "watchos",
      "version" : "4.0"
    }
  ],
  "products" : [
    {
      "name" : "MeterReporter",
      "targets" : [
        "MeterReporter"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "MeterReporter",
      "module_type" : "SwiftTarget",
      "name" : "MeterReporter",
      "path" : "Sources/MeterReporter",
      "product_dependencies" : [
        "Meter",
        "Wells"
      ],
      "product_memberships" : [
        "MeterReporter"
      ],
      "sources" : [
        "DiagnosticSubscriber.swift",
        "ExceptionLoggingApplication.swift",
        "MeterReporter.swift",
        "UncaughtExceptionLogger.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.8"
}
Command line invocation:
    /Applications/Xcode-16.3.0.app/Contents/Developer/usr/bin/xcodebuild -IDEClonedSourcePackagesDirPathOverride=/Users/admin/builder/spi-builder-workspace/.dependencies -resolvePackageDependencies
Resolve Package Graph
Fetching from https://github.com/ChimeHQ/Wells
Fetching from https://github.com/ChimeHQ/Background
Fetching from https://github.com/ChimeHQ/Meter
Creating working copy of package ‘Meter’
Checking out 0.6.0 of package ‘Meter’
Creating working copy of package ‘Background’
Checking out 11f1bc95a7ec88c275b522b12883ada9dbc062e6 of package ‘Background’
Creating working copy of package ‘Wells’
Checking out c31f833829083c5966adeff16832879acdcad214 of package ‘Wells’
Resolve Package Graph
Resolved source packages:
  Background: https://github.com/ChimeHQ/Background @ 11f1bc9
  Wells: https://github.com/ChimeHQ/Wells @ c31f833
  Meter: https://github.com/ChimeHQ/Meter @ 0.6.0
  MeterReporter: /Users/admin/builder/spi-builder-workspace
resolved source packages: Background, Wells, Meter, MeterReporter
{
  "dependencies" : [
    {
      "identity" : "meter",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "0.4.0",
            "upper_bound" : "1.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/ChimeHQ/Meter"
    },
    {
      "identity" : "wells",
      "requirement" : {
        "revision" : [
          "c31f833829083c5966adeff16832879acdcad214"
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/ChimeHQ/Wells"
    }
  ],
  "manifest_display_name" : "MeterReporter",
  "name" : "MeterReporter",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "macos",
      "version" : "11.0"
    },
    {
      "name" : "maccatalyst",
      "version" : "13.0"
    },
    {
      "name" : "ios",
      "version" : "12.0"
    },
    {
      "name" : "tvos",
      "version" : "12.0"
    },
    {
      "name" : "watchos",
      "version" : "4.0"
    }
  ],
  "products" : [
    {
      "name" : "MeterReporter",
      "targets" : [
        "MeterReporter"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "MeterReporter",
      "module_type" : "SwiftTarget",
      "name" : "MeterReporter",
      "path" : "Sources/MeterReporter",
      "product_dependencies" : [
        "Meter",
        "Wells"
      ],
      "product_memberships" : [
        "MeterReporter"
      ],
      "sources" : [
        "DiagnosticSubscriber.swift",
        "ExceptionLoggingApplication.swift",
        "MeterReporter.swift",
        "UncaughtExceptionLogger.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.8"
}
{
  "workspace" : {
    "name" : "spi-builder-workspace",
    "schemes" : [
      "Meter",
      "MeterReporter"
    ]
  }
}
{
  "workspace" : {
    "name" : "spi-builder-workspace",
    "schemes" : [
      "Meter",
      "MeterReporter"
    ]
  }
}
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-16.3.0.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme MeterReporter -destination generic/platform=iOS OTHER_SWIFT_FLAGS=-stats-output-dir .stats -strict-concurrency=complete -enable-upcoming-feature StrictConcurrency -enable-upcoming-feature DisableOutwardActorInference -enable-upcoming-feature GlobalActorIsolatedTypesUsability -enable-upcoming-feature InferSendableFromCaptures
Command line invocation:
    /Applications/Xcode-16.3.0.app/Contents/Developer/usr/bin/xcodebuild -IDEClonedSourcePackagesDirPathOverride=/Users/admin/builder/spi-builder-workspace/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath /Users/admin/builder/spi-builder-workspace/.derivedData build -scheme MeterReporter -destination generic/platform=iOS "OTHER_SWIFT_FLAGS=-stats-output-dir .stats -strict-concurrency=complete -enable-upcoming-feature StrictConcurrency -enable-upcoming-feature DisableOutwardActorInference -enable-upcoming-feature GlobalActorIsolatedTypesUsability -enable-upcoming-feature InferSendableFromCaptures"
Build settings from command line:
    OTHER_SWIFT_FLAGS = -stats-output-dir .stats -strict-concurrency=complete -enable-upcoming-feature StrictConcurrency -enable-upcoming-feature DisableOutwardActorInference -enable-upcoming-feature GlobalActorIsolatedTypesUsability -enable-upcoming-feature InferSendableFromCaptures
Resolve Package Graph
Resolve Package Graph
Resolved source packages:
  MeterReporter: /Users/admin/builder/spi-builder-workspace
  Background: https://github.com/ChimeHQ/Background @ 11f1bc9
  Meter: https://github.com/ChimeHQ/Meter @ 0.6.0
  Wells: https://github.com/ChimeHQ/Wells @ c31f833
ComputePackagePrebuildTargetDependencyGraph
Prepare packages
CreateBuildRequest
SendProjectDescription
CreateBuildOperation
ComputeTargetDependencyGraph
note: Building targets in dependency order
note: Target dependency graph (9 targets)
    Target 'MeterReporter' in project 'MeterReporter'
        ➜ Explicit dependency on target 'MeterReporter' in project 'MeterReporter'
        ➜ Explicit dependency on target 'Meter' in project 'Meter'
        ➜ Explicit dependency on target 'Wells' in project 'Wells'
    Target 'MeterReporter' in project 'MeterReporter'
        ➜ Explicit dependency on target 'Meter' in project 'Meter'
        ➜ Explicit dependency on target 'Wells' in project 'Wells'
    Target 'Wells' in project 'Wells'
        ➜ Explicit dependency on target 'Wells' in project 'Wells'
        ➜ Explicit dependency on target 'Background' in project 'Background'
    Target 'Wells' in project 'Wells'
        ➜ Explicit dependency on target 'Background' in project 'Background'
    Target 'Background' in project 'Background'
        ➜ Explicit dependency on target 'Background' in project 'Background'
    Target 'Background' in project 'Background' (no dependencies)
    Target 'Meter' in project 'Meter'
        ➜ Explicit dependency on target 'Meter' in project 'Meter'
        ➜ Explicit dependency on target 'BinaryImage' in project 'Meter'
    Target 'Meter' in project 'Meter'
        ➜ Explicit dependency on target 'BinaryImage' in project 'Meter'
    Target 'BinaryImage' in project 'Meter' (no dependencies)
GatherProvisioningInputs
CreateBuildDescription
ExecuteExternalTool /Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -v -E -dM -arch arm64 -isysroot /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS18.4.sdk -x objective-c -c /dev/null
ExecuteExternalTool /Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swiftc --version
ExecuteExternalTool /Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -v -E -dM -isysroot /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS18.4.sdk -x c -c /dev/null
ExecuteExternalTool /Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/ld -version_details
ExecuteExternalTool /Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -v -E -dM -arch arm64 -isysroot /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS18.4.sdk -x c -c /dev/null
Build description signature: aa308d3be36f882f061a665dd903572c
Build description path: /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/XCBuildData/aa308d3be36f882f061a665dd903572c.xcbuilddata
error: The package product 'Wells' requires minimum platform version 14.0 for the iOS platform, but this target supports 12.0 (in target 'MeterReporter' from project 'MeterReporter')
** BUILD FAILED **
The following build commands failed:
	Building workspace spi-builder-workspace with scheme MeterReporter
(1 failure)
Command line invocation:
    /Applications/Xcode-16.3.0.app/Contents/Developer/usr/bin/xcodebuild -IDEClonedSourcePackagesDirPathOverride=/Users/admin/builder/spi-builder-workspace/.dependencies -resolvePackageDependencies
Resolve Package Graph
Resolved source packages:
  Wells: https://github.com/ChimeHQ/Wells @ c31f833
  Background: https://github.com/ChimeHQ/Background @ 11f1bc9
  MeterReporter: /Users/admin/builder/spi-builder-workspace
  Meter: https://github.com/ChimeHQ/Meter @ 0.6.0
resolved source packages: Wells, Background, MeterReporter, Meter
{
  "dependencies" : [
    {
      "identity" : "meter",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "0.4.0",
            "upper_bound" : "1.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/ChimeHQ/Meter"
    },
    {
      "identity" : "wells",
      "requirement" : {
        "revision" : [
          "c31f833829083c5966adeff16832879acdcad214"
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/ChimeHQ/Wells"
    }
  ],
  "manifest_display_name" : "MeterReporter",
  "name" : "MeterReporter",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "macos",
      "version" : "11.0"
    },
    {
      "name" : "maccatalyst",
      "version" : "13.0"
    },
    {
      "name" : "ios",
      "version" : "12.0"
    },
    {
      "name" : "tvos",
      "version" : "12.0"
    },
    {
      "name" : "watchos",
      "version" : "4.0"
    }
  ],
  "products" : [
    {
      "name" : "MeterReporter",
      "targets" : [
        "MeterReporter"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "MeterReporter",
      "module_type" : "SwiftTarget",
      "name" : "MeterReporter",
      "path" : "Sources/MeterReporter",
      "product_dependencies" : [
        "Meter",
        "Wells"
      ],
      "product_memberships" : [
        "MeterReporter"
      ],
      "sources" : [
        "DiagnosticSubscriber.swift",
        "ExceptionLoggingApplication.swift",
        "MeterReporter.swift",
        "UncaughtExceptionLogger.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.8"
}
{
  "workspace" : {
    "name" : "spi-builder-workspace",
    "schemes" : [
      "Meter",
      "MeterReporter"
    ]
  }
}
{
  "workspace" : {
    "name" : "spi-builder-workspace",
    "schemes" : [
      "Meter",
      "MeterReporter"
    ]
  }
}
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-16.3.0.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme MeterReporter -destination generic/platform=iOS
Command line invocation:
    /Applications/Xcode-16.3.0.app/Contents/Developer/usr/bin/xcodebuild -IDEClonedSourcePackagesDirPathOverride=/Users/admin/builder/spi-builder-workspace/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath /Users/admin/builder/spi-builder-workspace/.derivedData build -scheme MeterReporter -destination generic/platform=iOS
Resolve Package Graph
Resolved source packages:
  Meter: https://github.com/ChimeHQ/Meter @ 0.6.0
  Background: https://github.com/ChimeHQ/Background @ 11f1bc9
  Wells: https://github.com/ChimeHQ/Wells @ c31f833
  MeterReporter: /Users/admin/builder/spi-builder-workspace
ComputePackagePrebuildTargetDependencyGraph
Prepare packages
CreateBuildRequest
SendProjectDescription
CreateBuildOperation
ComputeTargetDependencyGraph
note: Building targets in dependency order
note: Target dependency graph (9 targets)
    Target 'MeterReporter' in project 'MeterReporter'
        ➜ Explicit dependency on target 'MeterReporter' in project 'MeterReporter'
        ➜ Explicit dependency on target 'Meter' in project 'Meter'
        ➜ Explicit dependency on target 'Wells' in project 'Wells'
    Target 'MeterReporter' in project 'MeterReporter'
        ➜ Explicit dependency on target 'Meter' in project 'Meter'
        ➜ Explicit dependency on target 'Wells' in project 'Wells'
    Target 'Wells' in project 'Wells'
        ➜ Explicit dependency on target 'Wells' in project 'Wells'
        ➜ Explicit dependency on target 'Background' in project 'Background'
    Target 'Wells' in project 'Wells'
        ➜ Explicit dependency on target 'Background' in project 'Background'
    Target 'Background' in project 'Background'
        ➜ Explicit dependency on target 'Background' in project 'Background'
    Target 'Background' in project 'Background' (no dependencies)
    Target 'Meter' in project 'Meter'
        ➜ Explicit dependency on target 'Meter' in project 'Meter'
        ➜ Explicit dependency on target 'BinaryImage' in project 'Meter'
    Target 'Meter' in project 'Meter'
        ➜ Explicit dependency on target 'BinaryImage' in project 'Meter'
    Target 'BinaryImage' in project 'Meter' (no dependencies)
GatherProvisioningInputs
CreateBuildDescription
ExecuteExternalTool /Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -v -E -dM -arch arm64 -isysroot /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS18.4.sdk -x objective-c -c /dev/null
ExecuteExternalTool /Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swiftc --version
ExecuteExternalTool /Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -v -E -dM -isysroot /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS18.4.sdk -x c -c /dev/null
ExecuteExternalTool /Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/ld -version_details
ExecuteExternalTool /Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -v -E -dM -arch arm64 -isysroot /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS18.4.sdk -x c -c /dev/null
Build description signature: 1edf0fb40fc9b0052c0788459d3b712d
Build description path: /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/XCBuildData/1edf0fb40fc9b0052c0788459d3b712d.xcbuilddata
error: The package product 'Wells' requires minimum platform version 14.0 for the iOS platform, but this target supports 12.0 (in target 'MeterReporter' from project 'MeterReporter')
** BUILD FAILED **
The following build commands failed:
	Building workspace spi-builder-workspace with scheme MeterReporter
(1 failure)
BUILD FAILURE 6.1 iOS