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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 nanopb, reference maintenance_0.3 (c87a41), with Swift 6.1 for macOS (SPM) on 28 Apr 2025 10:10:21 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/firebase/nanopb.git
Reference: maintenance_0.3
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/firebase/nanopb
 * branch            maintenance_0.3 -> FETCH_HEAD
 * [new branch]      maintenance_0.3 -> origin/maintenance_0.3
HEAD is now at c87a41d Update Python2 CI workflow to Ubuntu 20.04
Cloned https://github.com/firebase/nanopb.git
Revision (git rev-parse @):
c87a41d5bda5108f93efea5142db67b2e5d2af42
SUCCESS checkout https://github.com/firebase/nanopb.git at maintenance_0.3
========================================
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": "nanopb",
      "name": "nanopb",
      "url": "https://github.com/firebase/nanopb.git",
      "version": "unspecified",
      "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/nanopb",
      "dependencies": [
      ]
    }
  ]
}
Fetching https://github.com/firebase/nanopb.git from cache
Fetched https://github.com/firebase/nanopb.git from cache (0.47s)
Creating working copy for https://github.com/firebase/nanopb.git
Working copy of https://github.com/firebase/nanopb.git resolved at maintenance_0.3 (c87a41d)
warning: '.resolve-product-dependencies': dependency 'nanopb' 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/firebase/nanopb.git
https://github.com/firebase/nanopb.git
{
  "dependencies" : [
  ],
  "manifest_display_name" : "nanopb",
  "name" : "nanopb",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
  ],
  "products" : [
    {
      "name" : "nanopb",
      "targets" : [
        "nanopb"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "swift_test",
      "module_type" : "SwiftTarget",
      "name" : "swift-test",
      "path" : "spm-test/swift",
      "sources" : [
        "main.swift"
      ],
      "target_dependencies" : [
        "nanopb"
      ],
      "type" : "test"
    },
    {
      "c99name" : "objc_test",
      "module_type" : "ClangTarget",
      "name" : "objc-test",
      "path" : "spm-test/objc",
      "sources" : [
        "c-header.c",
        "objc-header.m",
        "objc-module.m",
        "objc-qualified.m"
      ],
      "target_dependencies" : [
        "nanopb"
      ],
      "type" : "test"
    },
    {
      "c99name" : "nanopb",
      "module_type" : "ClangTarget",
      "name" : "nanopb",
      "path" : ".",
      "product_memberships" : [
        "nanopb"
      ],
      "resources" : [
        {
          "path" : "/Users/admin/builder/spi-builder-workspace/spm_resources/PrivacyInfo.xcprivacy",
          "rule" : {
            "process" : {
            }
          }
        }
      ],
      "sources" : [
        "pb_common.c",
        "pb_decode.c",
        "pb_encode.c"
      ],
      "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
Building for debugging...
[0/4] Copying PrivacyInfo.xcprivacy
[1/4] Compiling nanopb pb_common.c
[2/4] Compiling nanopb pb_decode.c
[3/4] Compiling nanopb pb_encode.c
Build complete! (0.49s)
Build complete.
{
  "dependencies" : [
  ],
  "manifest_display_name" : "nanopb",
  "name" : "nanopb",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
  ],
  "products" : [
    {
      "name" : "nanopb",
      "targets" : [
        "nanopb"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "swift_test",
      "module_type" : "SwiftTarget",
      "name" : "swift-test",
      "path" : "spm-test/swift",
      "sources" : [
        "main.swift"
      ],
      "target_dependencies" : [
        "nanopb"
      ],
      "type" : "test"
    },
    {
      "c99name" : "objc_test",
      "module_type" : "ClangTarget",
      "name" : "objc-test",
      "path" : "spm-test/objc",
      "sources" : [
        "c-header.c",
        "objc-header.m",
        "objc-module.m",
        "objc-qualified.m"
      ],
      "target_dependencies" : [
        "nanopb"
      ],
      "type" : "test"
    },
    {
      "c99name" : "nanopb",
      "module_type" : "ClangTarget",
      "name" : "nanopb",
      "path" : ".",
      "product_memberships" : [
        "nanopb"
      ],
      "resources" : [
        {
          "path" : "/Users/admin/builder/spi-builder-workspace/spm_resources/PrivacyInfo.xcprivacy",
          "rule" : {
            "process" : {
            }
          }
        }
      ],
      "sources" : [
        "pb_common.c",
        "pb_decode.c",
        "pb_encode.c"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.3"
}
Done.