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Build Information

Successful build of Footprint, reference main (61f8d5), with Swift 6.1 for macOS (SPM) on 31 May 2025 07:23:08 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: 4.63.1
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/naftaly/Footprint.git
Reference: main
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/naftaly/Footprint
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at 61f8d57 Updated readme
Cloned https://github.com/naftaly/Footprint.git
Revision (git rev-parse @):
61f8d57d2022c474e1eda17e2f80b651a3b2229a
SUCCESS checkout https://github.com/naftaly/Footprint.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": "footprint",
      "name": "Footprint",
      "url": "https://github.com/naftaly/Footprint.git",
      "version": "unspecified",
      "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/Footprint",
      "dependencies": [
      ]
    }
  ]
}
Fetching https://github.com/naftaly/Footprint.git
[1/155] Fetching footprint
Fetched https://github.com/naftaly/Footprint.git from cache (0.65s)
Creating working copy for https://github.com/naftaly/Footprint.git
Working copy of https://github.com/naftaly/Footprint.git resolved at main (61f8d57)
warning: '.resolve-product-dependencies': dependency 'footprint' 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/naftaly/Footprint.git
https://github.com/naftaly/Footprint.git
{
  "dependencies" : [
  ],
  "manifest_display_name" : "Footprint",
  "name" : "Footprint",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
  ],
  "products" : [
    {
      "name" : "Footprint",
      "targets" : [
        "Footprint"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "FootprintTests",
      "module_type" : "SwiftTarget",
      "name" : "FootprintTests",
      "path" : "Tests/FootprintTests",
      "sources" : [
        "FootprintTests.swift"
      ],
      "target_dependencies" : [
        "Footprint"
      ],
      "type" : "test"
    },
    {
      "c99name" : "Footprint",
      "module_type" : "SwiftTarget",
      "name" : "Footprint",
      "path" : "Sources/Footprint",
      "product_memberships" : [
        "Footprint"
      ],
      "sources" : [
        "DefaultMemoryProvider.swift",
        "Footprint.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.9"
}
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...
[0/2] Write sources
[1/2] Write swift-version-2F0A5646E1D333AE.txt
[3/5] Compiling Footprint DefaultMemoryProvider.swift
[4/5] Compiling Footprint Footprint.swift
/Users/admin/builder/spi-builder-workspace/Sources/Footprint/Footprint.swift:256:13: warning: capture of 'action' with non-sendable type '(Footprint.Memory) -> Void' in a '@Sendable' closure
254 |         }
255 |         DispatchQueue.global().async {
256 |             action(mem)
    |             |- warning: capture of 'action' with non-sendable type '(Footprint.Memory) -> Void' in a '@Sendable' closure
    |             `- note: a function type must be marked '@Sendable' to conform to 'Sendable'
257 |         }
258 |     }
/Users/admin/builder/spi-builder-workspace/Sources/Footprint/Footprint.swift:256:20: warning: capture of 'mem' with non-sendable type 'Footprint.Memory' in a '@Sendable' closure
 38 |     /// A structure that represents the different values required for easier memory
 39 |     /// handling throughout your apps lifetime.
 40 |     public struct Memory {
    |                   `- note: consider making struct 'Memory' conform to the 'Sendable' protocol
 41 |
 42 |         /// State describes how close to app termination your app is based on memory.
    :
254 |         }
255 |         DispatchQueue.global().async {
256 |             action(mem)
    |                    `- warning: capture of 'mem' with non-sendable type 'Footprint.Memory' in a '@Sendable' closure
257 |         }
258 |     }
/Users/admin/builder/spi-builder-workspace/Sources/Footprint/Footprint.swift:310:45: warning: sending 'memory' risks causing data races; this is an error in the Swift 6 language mode
308 |             DispatchQueue.main.async {
309 |                 NotificationCenter.default.post(name: Footprint.memoryDidChangeNotification, object: nil, userInfo: [
310 |                     Footprint.newMemoryKey: memory,
    |                                             |- warning: sending 'memory' risks causing data races; this is an error in the Swift 6 language mode
    |                                             `- note: task-isolated 'memory' is captured by a main actor-isolated closure. main actor-isolated uses in closure may race against later nonisolated uses
311 |                     Footprint.oldMemoryKey: oldMemory,
312 |                     Footprint.changesKey: changeSet,
/Users/admin/builder/spi-builder-workspace/Sources/Footprint/Footprint.swift:311:45: warning: sending 'oldMemory' risks causing data races; this is an error in the Swift 6 language mode
309 |                 NotificationCenter.default.post(name: Footprint.memoryDidChangeNotification, object: nil, userInfo: [
310 |                     Footprint.newMemoryKey: memory,
311 |                     Footprint.oldMemoryKey: oldMemory,
    |                                             |- warning: sending 'oldMemory' risks causing data races; this is an error in the Swift 6 language mode
    |                                             `- note: task-isolated 'oldMemory' is captured by a main actor-isolated closure. main actor-isolated uses in closure may race against later nonisolated uses
312 |                     Footprint.changesKey: changeSet,
313 |                 ])
/Users/admin/builder/spi-builder-workspace/Sources/Footprint/Footprint.swift:312:43: warning: sending 'changeSet' risks causing data races; this is an error in the Swift 6 language mode
310 |                     Footprint.newMemoryKey: memory,
311 |                     Footprint.oldMemoryKey: oldMemory,
312 |                     Footprint.changesKey: changeSet,
    |                                           |- warning: sending 'changeSet' risks causing data races; this is an error in the Swift 6 language mode
    |                                           `- note: task-isolated 'changeSet' is captured by a main actor-isolated closure. main actor-isolated uses in closure may race against later nonisolated uses
313 |                 ])
314 |             }
/Users/admin/builder/spi-builder-workspace/Sources/Footprint/Footprint.swift:325:40: warning: sending 'memory' risks causing data races; this is an error in the Swift 6 language mode
323 |             }
324 |             observers.forEach { $0(memory) }
325 |             continuations.forEach { $0.yield(memory) }
    |                                        |- warning: sending 'memory' risks causing data races; this is an error in the Swift 6 language mode
    |                                        `- note: task-isolated 'memory' is passed as a 'sending' parameter; Uses in callee may race with later task-isolated uses
326 |         }
327 |     }
[5/5] Emitting module Footprint
Build complete! (8.56s)
Build complete.
{
  "dependencies" : [
  ],
  "manifest_display_name" : "Footprint",
  "name" : "Footprint",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
  ],
  "products" : [
    {
      "name" : "Footprint",
      "targets" : [
        "Footprint"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "FootprintTests",
      "module_type" : "SwiftTarget",
      "name" : "FootprintTests",
      "path" : "Tests/FootprintTests",
      "sources" : [
        "FootprintTests.swift"
      ],
      "target_dependencies" : [
        "Footprint"
      ],
      "type" : "test"
    },
    {
      "c99name" : "Footprint",
      "module_type" : "SwiftTarget",
      "name" : "Footprint",
      "path" : "Sources/Footprint",
      "product_memberships" : [
        "Footprint"
      ],
      "sources" : [
        "DefaultMemoryProvider.swift",
        "Footprint.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.9"
}
Done.