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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

Successful build of TrailerJson, reference main (87c0f9), with Swift 6.1 for macOS (SPM) on 29 Apr 2025 17:04:23 UTC.

Swift 6 data race errors: 0

Build Command

env DEVELOPER_DIR=/Applications/Xcode-16.3.0.app xcrun swift build --arch arm64 -Xswiftc -Xfrontend -Xswiftc -stats-output-dir -Xswiftc -Xfrontend -Xswiftc .stats

Build Log

========================================
RunAll
========================================
Builder version: 4.61.1
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/ptsochantaris/trailer-json.git
Reference: main
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/ptsochantaris/trailer-json
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at 87c0f94 Correct handling of escapes while slicing strings
Cloned https://github.com/ptsochantaris/trailer-json.git
Revision (git rev-parse @):
87c0f9442759f561cbb1dbdc2abc9d095a946159
SPI manifest file found: $PWD/.spi.yml
SUCCESS checkout https://github.com/ptsochantaris/trailer-json.git at main
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             6.1
Building package at path:  $PWD
https://github.com/ptsochantaris/trailer-json.git
https://github.com/ptsochantaris/trailer-json.git
{
  "dependencies" : [
  ],
  "manifest_display_name" : "TrailerJson",
  "name" : "TrailerJson",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "macos",
      "version" : "11.0"
    },
    {
      "name" : "ios",
      "version" : "14.0"
    },
    {
      "name" : "watchos",
      "version" : "7.0"
    }
  ],
  "products" : [
    {
      "name" : "TrailerJson",
      "targets" : [
        "TrailerJson"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    },
    {
      "name" : "Benchmark",
      "targets" : [
        "Benchmark"
      ],
      "type" : {
        "executable" : null
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "TrailerJsonTests",
      "module_type" : "SwiftTarget",
      "name" : "TrailerJsonTests",
      "path" : "Tests/TrailerJsonTests",
      "resources" : [
        {
          "path" : "/Users/admin/builder/spi-builder-workspace/Tests/TrailerJsonTests/10mb.json",
          "rule" : {
            "copy" : {
            }
          }
        },
        {
          "path" : "/Users/admin/builder/spi-builder-workspace/Tests/TrailerJsonTests/issueList.json",
          "rule" : {
            "copy" : {
            }
          }
        }
      ],
      "sources" : [
        "TrailerJsonTests.swift",
        "TypedJsonTests.swift"
      ],
      "target_dependencies" : [
        "TrailerJson"
      ],
      "type" : "test"
    },
    {
      "c99name" : "TrailerJson",
      "module_type" : "SwiftTarget",
      "name" : "TrailerJson",
      "path" : "Sources/TrailerJson",
      "product_memberships" : [
        "TrailerJson",
        "Benchmark"
      ],
      "sources" : [
        "Common.swift",
        "TrailerJson.swift",
        "TypedJson.swift",
        "TypedJsonEntry.swift"
      ],
      "type" : "library"
    },
    {
      "c99name" : "Benchmark",
      "module_type" : "SwiftTarget",
      "name" : "Benchmark",
      "path" : "Sources/Benchmark",
      "product_memberships" : [
        "Benchmark"
      ],
      "resources" : [
        {
          "path" : "/Users/admin/builder/spi-builder-workspace/Sources/Benchmark/10mb.json",
          "rule" : {
            "copy" : {
            }
          }
        }
      ],
      "sources" : [
        "Benchmark.swift"
      ],
      "target_dependencies" : [
        "TrailerJson"
      ],
      "type" : "executable"
    }
  ],
  "tools_version" : "6.0"
}
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
Building for debugging...
[0/8] Copying 10mb.json
[1/8] Write sources
[2/8] Write Benchmark-entitlement.plist
[4/8] Write swift-version-2F0A5646E1D333AE.txt
[6/13] Compiling TrailerJson Common.swift
[7/13] Compiling TrailerJson TrailerJson.swift
[8/13] Compiling TrailerJson TypedJsonEntry.swift
[9/13] Emitting module TrailerJson
[10/13] Compiling TrailerJson TypedJson.swift
[11/16] Compiling Benchmark resource_bundle_accessor.swift
[12/16] Emitting module Benchmark
[13/16] Compiling Benchmark Benchmark.swift
[13/16] Write Objects.LinkFileList
[14/16] Linking Benchmark
[15/16] Applying Benchmark
Build complete! (5.79s)
Build complete.
{
  "dependencies" : [
  ],
  "manifest_display_name" : "TrailerJson",
  "name" : "TrailerJson",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "macos",
      "version" : "11.0"
    },
    {
      "name" : "ios",
      "version" : "14.0"
    },
    {
      "name" : "watchos",
      "version" : "7.0"
    }
  ],
  "products" : [
    {
      "name" : "TrailerJson",
      "targets" : [
        "TrailerJson"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    },
    {
      "name" : "Benchmark",
      "targets" : [
        "Benchmark"
      ],
      "type" : {
        "executable" : null
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "TrailerJsonTests",
      "module_type" : "SwiftTarget",
      "name" : "TrailerJsonTests",
      "path" : "Tests/TrailerJsonTests",
      "resources" : [
        {
          "path" : "/Users/admin/builder/spi-builder-workspace/Tests/TrailerJsonTests/10mb.json",
          "rule" : {
            "copy" : {
            }
          }
        },
        {
          "path" : "/Users/admin/builder/spi-builder-workspace/Tests/TrailerJsonTests/issueList.json",
          "rule" : {
            "copy" : {
            }
          }
        }
      ],
      "sources" : [
        "TrailerJsonTests.swift",
        "TypedJsonTests.swift"
      ],
      "target_dependencies" : [
        "TrailerJson"
      ],
      "type" : "test"
    },
    {
      "c99name" : "TrailerJson",
      "module_type" : "SwiftTarget",
      "name" : "TrailerJson",
      "path" : "Sources/TrailerJson",
      "product_memberships" : [
        "TrailerJson",
        "Benchmark"
      ],
      "sources" : [
        "Common.swift",
        "TrailerJson.swift",
        "TypedJson.swift",
        "TypedJsonEntry.swift"
      ],
      "type" : "library"
    },
    {
      "c99name" : "Benchmark",
      "module_type" : "SwiftTarget",
      "name" : "Benchmark",
      "path" : "Sources/Benchmark",
      "product_memberships" : [
        "Benchmark"
      ],
      "resources" : [
        {
          "path" : "/Users/admin/builder/spi-builder-workspace/Sources/Benchmark/10mb.json",
          "rule" : {
            "copy" : {
            }
          }
        }
      ],
      "sources" : [
        "Benchmark.swift"
      ],
      "target_dependencies" : [
        "TrailerJson"
      ],
      "type" : "executable"
    }
  ],
  "tools_version" : "6.0"
}
Done.