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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 Logger, reference 0.3.0 (b7b84b), with Swift 6.1 for macOS (SPM) on 27 Apr 2025 00:00:25 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/binaryscraping/swift-log.git
Reference: 0.3.0
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/binaryscraping/swift-log
 * tag               0.3.0      -> FETCH_HEAD
HEAD is now at b7b84bf Update README.md
Cloned https://github.com/binaryscraping/swift-log.git
Revision (git rev-parse @):
b7b84bf79ae6f1fa899819d583f66e63caaf6827
SUCCESS checkout https://github.com/binaryscraping/swift-log.git at 0.3.0
Fetching https://github.com/grsouza/swift-json
warning: 'swift-json': skipping cache due to an error: Failed to clone repository https://github.com/grsouza/swift-json:
    Cloning into bare repository '/Users/admin/Library/Caches/org.swift.swiftpm/repositories/swift-json-ffb9a2f1'...
    fatal: could not read Username for 'https://github.com': terminal prompts disabled
error: Failed to clone repository https://github.com/grsouza/swift-json:
    Cloning into bare repository '/Users/admin/builder/spi-builder-workspace/.build/repositories/swift-json-ffb9a2f1'...
    fatal: could not read Username for 'https://github.com': terminal prompts disabled
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             6.1
Building package at path:  $PWD
https://github.com/binaryscraping/swift-log.git
https://github.com/binaryscraping/swift-log.git
{
  "dependencies" : [
    {
      "identity" : "swift-json",
      "requirement" : {
        "branch" : [
          "main"
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/grsouza/swift-json"
    },
    {
      "identity" : "swift-sqlite",
      "requirement" : {
        "branch" : [
          "main"
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/grsouza/swift-sqlite"
    }
  ],
  "manifest_display_name" : "Logger",
  "name" : "Logger",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "ios",
      "version" : "10.0"
    },
    {
      "name" : "macos",
      "version" : "10.12"
    },
    {
      "name" : "watchos",
      "version" : "3.0"
    },
    {
      "name" : "tvos",
      "version" : "10.0"
    }
  ],
  "products" : [
    {
      "name" : "Logger",
      "targets" : [
        "Logger"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "swift_languages_versions" : [
    "5"
  ],
  "targets" : [
    {
      "c99name" : "LoggerTests",
      "module_type" : "SwiftTarget",
      "name" : "LoggerTests",
      "path" : "Tests/LoggerTests",
      "sources" : [
        "LoggerTests.swift"
      ],
      "target_dependencies" : [
        "Logger"
      ],
      "type" : "test"
    },
    {
      "c99name" : "Logger",
      "module_type" : "SwiftTarget",
      "name" : "Logger",
      "path" : "Sources/Logger",
      "product_dependencies" : [
        "JSON",
        "Sqlite"
      ],
      "product_memberships" : [
        "Logger"
      ],
      "sources" : [
        "Destination.swift",
        "Formatter.swift",
        "Logger.swift",
        "Message.swift",
        "SQLite/SQLiteLoggingStore.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.3"
}
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
Fetching https://github.com/grsouza/swift-json
warning: 'swift-json': skipping cache due to an error: Failed to clone repository https://github.com/grsouza/swift-json:
    Cloning into bare repository '/Users/admin/Library/Caches/org.swift.swiftpm/repositories/swift-json-ffb9a2f1'...
    fatal: could not read Username for 'https://github.com': terminal prompts disabled
error: Failed to clone repository https://github.com/grsouza/swift-json:
    Cloning into bare repository '/Users/admin/builder/spi-builder-workspace/.build/repositories/swift-json-ffb9a2f1'...
    fatal: could not read Username for 'https://github.com': terminal prompts disabled
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-16.3.0.app xcrun swift build --arch arm64
Fetching https://github.com/grsouza/swift-json
warning: 'swift-json': skipping cache due to an error: Failed to clone repository https://github.com/grsouza/swift-json:
    Cloning into bare repository '/Users/admin/Library/Caches/org.swift.swiftpm/repositories/swift-json-ffb9a2f1'...
    fatal: could not read Username for 'https://github.com': terminal prompts disabled
error: Failed to clone repository https://github.com/grsouza/swift-json:
    Cloning into bare repository '/Users/admin/builder/spi-builder-workspace/.build/repositories/swift-json-ffb9a2f1'...
    fatal: could not read Username for 'https://github.com': terminal prompts disabled
BUILD FAILURE 6.1 macosSpm