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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 SwiftDjot, reference main (658ab5), with Swift 6.1 for macOS (SPM) on 29 Apr 2025 03:35:05 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 -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

Build Log

========================================
RunAll
========================================
Builder version: 4.61.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/wti/SwiftDjot.git
Reference: main
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/wti/SwiftDjot
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at 658ab58 Package: declare C++ standard as 17
Cloned https://github.com/wti/SwiftDjot.git
Revision (git rev-parse @):
658ab58d292b9eb7c8a1613e6837b9ffcc092fd4
SUCCESS checkout https://github.com/wti/SwiftDjot.git at main
========================================
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": "swiftdjot",
      "name": "SwiftDjot",
      "url": "https://github.com/wti/SwiftDjot.git",
      "version": "unspecified",
      "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/SwiftDjot",
      "dependencies": [
      ]
    }
  ]
}
Fetching https://github.com/wti/SwiftDjot.git
[1/161] Fetching swiftdjot
Fetched https://github.com/wti/SwiftDjot.git from cache (0.86s)
Creating working copy for https://github.com/wti/SwiftDjot.git
Working copy of https://github.com/wti/SwiftDjot.git resolved at main (658ab58)
warning: '.resolve-product-dependencies': dependency 'swiftdjot' is not used by any target
Found 0 product dependencies
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             6.1
Building package at path:  $PWD
https://github.com/wti/SwiftDjot.git
https://github.com/wti/SwiftDjot.git
{
  "cxx_language_standard" : "c++17",
  "dependencies" : [
  ],
  "manifest_display_name" : "SwiftDjot",
  "name" : "SwiftDjot",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
  ],
  "products" : [
    {
      "name" : "Cdjot",
      "targets" : [
        "Cdjot"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    },
    {
      "name" : "SwiftDjot",
      "targets" : [
        "SwiftDjot"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "SwiftDjotTests",
      "module_type" : "SwiftTarget",
      "name" : "SwiftDjotTests",
      "path" : "Tests/SwiftDjotTests",
      "sources" : [
        "DjotTest.swift"
      ],
      "target_dependencies" : [
        "SwiftDjot"
      ],
      "type" : "test"
    },
    {
      "c99name" : "SwiftDjot",
      "module_type" : "SwiftTarget",
      "name" : "SwiftDjot",
      "path" : "Sources/SwiftDjot",
      "product_memberships" : [
        "SwiftDjot"
      ],
      "sources" : [
        "Djot.swift"
      ],
      "target_dependencies" : [
        "Cdjot"
      ],
      "type" : "library"
    },
    {
      "c99name" : "Cdjot",
      "module_type" : "ClangTarget",
      "name" : "Cdjot",
      "path" : "Sources/Cdjot",
      "product_memberships" : [
        "Cdjot",
        "SwiftDjot"
      ],
      "sources" : [
        "djot.c",
        "djot_demo.c",
        "lapi.c",
        "lauxlib.c",
        "lbaselib.c",
        "lcode.c",
        "lcorolib.c",
        "lctype.c",
        "ldblib.c",
        "ldebug.c",
        "ldo.c",
        "ldump.c",
        "lfunc.c",
        "lgc.c",
        "linit.c",
        "liolib.c",
        "llex.c",
        "lmathlib.c",
        "lmem.c",
        "loadlib.c",
        "lobject.c",
        "lopcodes.c",
        "loslib.c",
        "lparser.c",
        "lstate.c",
        "lstring.c",
        "lstrlib.c",
        "ltable.c",
        "ltablib.c",
        "ltm.c",
        "lua.c",
        "luac.c",
        "lundump.c",
        "lutf8lib.c",
        "lvm.c",
        "lzio.c"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.6"
}
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
Building for debugging...
[0/38] Write sources
[1/38] Write swift-version-2F0A5646E1D333AE.txt
[2/38] Compiling Cdjot lzio.c
[3/38] Compiling Cdjot ltm.c
[4/38] Compiling Cdjot lundump.c
[5/38] Compiling Cdjot ltablib.c
[6/38] Compiling Cdjot luac.c
[7/38] Compiling Cdjot lutf8lib.c
[8/38] Compiling Cdjot lcode.c
[9/38] Compiling Cdjot lstring.c
[10/38] Compiling Cdjot ltable.c
[11/38] Compiling Cdjot lua.c
[12/38] Compiling Cdjot lstate.c
[13/38] Compiling Cdjot lbaselib.c
[14/38] Compiling Cdjot loslib.c
[15/38] Compiling Cdjot lstrlib.c
[16/38] Compiling Cdjot lvm.c
[17/38] Compiling Cdjot lopcodes.c
[18/38] Compiling Cdjot lparser.c
[19/38] Compiling Cdjot lmem.c
[20/38] Compiling Cdjot lobject.c
[21/38] Compiling Cdjot lmathlib.c
[22/38] Compiling Cdjot llex.c
[23/38] Compiling Cdjot linit.c
[24/38] Compiling Cdjot liolib.c
[25/38] Compiling Cdjot lfunc.c
[26/38] Compiling Cdjot ldump.c
[27/38] Compiling Cdjot lctype.c
[28/38] Compiling Cdjot lgc.c
[29/38] Compiling Cdjot ldblib.c
[30/38] Compiling Cdjot lcorolib.c
[31/38] Compiling Cdjot ldebug.c
[32/38] Compiling Cdjot ldo.c
[33/38] Compiling Cdjot djot_demo.c
[34/38] Compiling Cdjot lauxlib.c
[35/38] Compiling Cdjot lapi.c
[36/38] Compiling Cdjot djot.c
[37/38] Compiling Cdjot loadlib.c
[39/40] Emitting module SwiftDjot
[40/40] Compiling SwiftDjot Djot.swift
Build complete! (5.19s)
Build complete.
{
  "cxx_language_standard" : "c++17",
  "dependencies" : [
  ],
  "manifest_display_name" : "SwiftDjot",
  "name" : "SwiftDjot",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
  ],
  "products" : [
    {
      "name" : "Cdjot",
      "targets" : [
        "Cdjot"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    },
    {
      "name" : "SwiftDjot",
      "targets" : [
        "SwiftDjot"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "SwiftDjotTests",
      "module_type" : "SwiftTarget",
      "name" : "SwiftDjotTests",
      "path" : "Tests/SwiftDjotTests",
      "sources" : [
        "DjotTest.swift"
      ],
      "target_dependencies" : [
        "SwiftDjot"
      ],
      "type" : "test"
    },
    {
      "c99name" : "SwiftDjot",
      "module_type" : "SwiftTarget",
      "name" : "SwiftDjot",
      "path" : "Sources/SwiftDjot",
      "product_memberships" : [
        "SwiftDjot"
      ],
      "sources" : [
        "Djot.swift"
      ],
      "target_dependencies" : [
        "Cdjot"
      ],
      "type" : "library"
    },
    {
      "c99name" : "Cdjot",
      "module_type" : "ClangTarget",
      "name" : "Cdjot",
      "path" : "Sources/Cdjot",
      "product_memberships" : [
        "Cdjot",
        "SwiftDjot"
      ],
      "sources" : [
        "djot.c",
        "djot_demo.c",
        "lapi.c",
        "lauxlib.c",
        "lbaselib.c",
        "lcode.c",
        "lcorolib.c",
        "lctype.c",
        "ldblib.c",
        "ldebug.c",
        "ldo.c",
        "ldump.c",
        "lfunc.c",
        "lgc.c",
        "linit.c",
        "liolib.c",
        "llex.c",
        "lmathlib.c",
        "lmem.c",
        "loadlib.c",
        "lobject.c",
        "lopcodes.c",
        "loslib.c",
        "lparser.c",
        "lstate.c",
        "lstring.c",
        "lstrlib.c",
        "ltable.c",
        "ltablib.c",
        "ltm.c",
        "lua.c",
        "luac.c",
        "lundump.c",
        "lutf8lib.c",
        "lvm.c",
        "lzio.c"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.6"
}
Done.