Swift Package Index

Build Information

Successful build of Observable, reference 2.0.0 (d510e7), with Swift 6.3 for macOS (SPM) on 13 Apr 2026 08:36:30 UTC.

Swift 6 data race errors: 0

Build Command

env DEVELOPER_DIR=/Applications/Xcode-26.4.0.app xcrun swift build --arch arm64

Build Log

========================================
RunAll
========================================
Builder version: 4.70.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/Flowduino/Observable.git
Reference: 2.0.0
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/Flowduino/Observable
 * tag               2.0.0      -> FETCH_HEAD
HEAD is now at d510e71 Version 2.0.0
Cloned https://github.com/Flowduino/Observable.git
Revision (git rev-parse @):
d510e710900ea52bbfd9aa037addd708cbff526c
SUCCESS checkout https://github.com/Flowduino/Observable.git at 2.0.0
Fetching https://github.com/Flowduino/ThreadSafeSwift.git
[1/53] Fetching threadsafeswift
Fetched https://github.com/Flowduino/ThreadSafeSwift.git from cache (0.59s)
Computing version for https://github.com/Flowduino/ThreadSafeSwift.git
Computed https://github.com/Flowduino/ThreadSafeSwift.git at 1.1.0 (1.26s)
Creating working copy for https://github.com/Flowduino/ThreadSafeSwift.git
Working copy of https://github.com/Flowduino/ThreadSafeSwift.git resolved at 1.1.0
========================================
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",
  "traits": [
    "default"
  ],
  "dependencies": [
    {
      "identity": "observable",
      "name": "Observable",
      "url": "https://github.com/Flowduino/Observable.git",
      "version": "unspecified",
      "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/Observable",
      "traits": [
        "default"
      ],
      "dependencies": [
        {
          "identity": "threadsafeswift",
          "name": "ThreadSafeSwift",
          "url": "https://github.com/Flowduino/ThreadSafeSwift.git",
          "version": "1.1.0",
          "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/ThreadSafeSwift",
          "traits": [
            "default"
          ],
          "dependencies": [
          ]
        }
      ]
    }
  ]
}
Fetching https://github.com/Flowduino/Observable.git
[1/116] Fetching observable
Fetched https://github.com/Flowduino/Observable.git from cache (0.66s)
Fetching https://github.com/Flowduino/ThreadSafeSwift.git from cache
Fetched https://github.com/Flowduino/ThreadSafeSwift.git from cache (0.54s)
Computing version for https://github.com/Flowduino/ThreadSafeSwift.git
Computed https://github.com/Flowduino/ThreadSafeSwift.git at 1.1.0 (0.59s)
Creating working copy for https://github.com/Flowduino/ThreadSafeSwift.git
Working copy of https://github.com/Flowduino/ThreadSafeSwift.git resolved at 1.1.0
Creating working copy for https://github.com/Flowduino/Observable.git
Working copy of https://github.com/Flowduino/Observable.git resolved at 2.0.0 (d510e71)
warning: '.resolve-product-dependencies': dependency 'observable' is not used by any target
Found 1 product dependencies
  - ThreadSafeSwift
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             6.3
Building package at path:  $PWD
https://github.com/Flowduino/Observable.git
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-26.4.0.app xcrun swift build --arch arm64
Building for debugging...
[0/3] Write sources
[2/3] Write swift-version--6988338F2F200930.txt
[4/5] Compiling ThreadSafeSwift ThreadSafeSemaphore.swift
[5/5] Emitting module ThreadSafeSwift
[6/14] Compiling Observable ObservableClass.swift
[7/14] Compiling Observable ObservableThreadSafeClass.swift
[8/14] Compiling Observable Observable.swift
[9/14] Compiling Observable KeyedObservableClass.swift
[10/14] Compiling Observable ObservableThread.swift
/Users/admin/builder/spi-builder-workspace/Sources/Observable/ObservableThread.swift:140:13: warning: capture of 'self' with non-Sendable type 'ObservableThread' in a '@Sendable' closure; this is an error in the Swift 6 language mode [#SendableClosureCaptures]
 18 |  */
 19 | @available(macOS 10.15, iOS 13.0, tvOS 13.0, watchOS 6.0, *)
 20 | open class ObservableThread: Thread, Observable, ObservableObject {
    |            `- note: class 'ObservableThread' does not conform to the 'Sendable' protocol
 21 |     /**
 22 |      Contains a Weak Reference to an Observer.
    :
138 |     open func notifyChange() async {
139 |         await MainActor.run {
140 |             objectWillChange.send()
    |             `- warning: capture of 'self' with non-Sendable type 'ObservableThread' in a '@Sendable' closure; this is an error in the Swift 6 language mode [#SendableClosureCaptures]
141 |         }
142 |     }
[#SendableClosureCaptures]: <https://docs.swift.org/compiler/documentation/diagnostics/sendable-closure-captures>
[11/14] Compiling Observable KeyedObservableThread.swift
[12/14] Emitting module Observable
[13/14] Compiling Observable KeyedObservableThreadSafeClass.swift
[14/14] Compiling Observable KeyedObservable.swift
Build complete! (6.61s)
Build complete.
{
  "dependencies" : [
    {
      "identity" : "threadsafeswift",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "1.1.0",
            "upper_bound" : "2.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/Flowduino/ThreadSafeSwift.git"
    }
  ],
  "manifest_display_name" : "Observable",
  "name" : "Observable",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "macos",
      "version" : "10.15"
    },
    {
      "name" : "ios",
      "version" : "13.0"
    },
    {
      "name" : "tvos",
      "version" : "13.0"
    },
    {
      "name" : "watchos",
      "version" : "6.0"
    }
  ],
  "products" : [
    {
      "name" : "Observable",
      "targets" : [
        "Observable"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "ObservableTests",
      "module_type" : "SwiftTarget",
      "name" : "ObservableTests",
      "path" : "Tests/ObservableTests",
      "product_dependencies" : [
        "ThreadSafeSwift"
      ],
      "sources" : [
        "KeyedObservableClassTests.swift",
        "ObservableClassTests.swift"
      ],
      "target_dependencies" : [
        "Observable"
      ],
      "type" : "test"
    },
    {
      "c99name" : "Observable",
      "module_type" : "SwiftTarget",
      "name" : "Observable",
      "path" : "Sources/Observable",
      "product_dependencies" : [
        "ThreadSafeSwift"
      ],
      "product_memberships" : [
        "Observable"
      ],
      "sources" : [
        "Keyed/KeyedObservable.swift",
        "Keyed/KeyedObservableClass.swift",
        "Keyed/KeyedObservableThread.swift",
        "Keyed/KeyedObservableThreadSafeClass.swift",
        "Observable.swift",
        "ObservableClass.swift",
        "ObservableThread.swift",
        "ObservableThreadSafeClass.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.6"
}
Done.