Swift Package Index

Build Information

Successful build of macos-audio-tap, reference main (da0340), with Swift 6.1 for macOS (SPM) on 12 Oct 2026 06:57:23 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 -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: 5.1.1
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/firedanceio/macos-audio-tap.git
Reference: main
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/firedanceio/macos-audio-tap
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at da0340c Initial release: system audio level tap for macOS
Cloned https://github.com/firedanceio/macos-audio-tap.git
Revision (git rev-parse @):
da0340cc269be981130746f8458cfe63b41a80a2
SUCCESS checkout https://github.com/firedanceio/macos-audio-tap.git at main
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             6.1
Building package at path:  $PWD
https://github.com/firedanceio/macos-audio-tap.git
https://github.com/firedanceio/macos-audio-tap.git
{
  "dependencies" : [
  ],
  "manifest_display_name" : "macos-audio-tap",
  "name" : "macos-audio-tap",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "macos",
      "version" : "14.4"
    }
  ],
  "products" : [
    {
      "name" : "SystemAudioTap",
      "targets" : [
        "SystemAudioTap"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    },
    {
      "name" : "audio-tap",
      "targets" : [
        "audio-tap"
      ],
      "type" : {
        "executable" : null
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "audio_tap",
      "module_type" : "SwiftTarget",
      "name" : "audio-tap",
      "path" : "Sources/audio-tap",
      "product_memberships" : [
        "audio-tap"
      ],
      "sources" : [
        "main.swift"
      ],
      "target_dependencies" : [
        "SystemAudioTap"
      ],
      "type" : "executable"
    },
    {
      "c99name" : "SystemAudioTapTests",
      "module_type" : "SwiftTarget",
      "name" : "SystemAudioTapTests",
      "path" : "Tests/SystemAudioTapTests",
      "sources" : [
        "LevelTests.swift"
      ],
      "target_dependencies" : [
        "SystemAudioTap"
      ],
      "type" : "test"
    },
    {
      "c99name" : "SystemAudioTap",
      "module_type" : "SwiftTarget",
      "name" : "SystemAudioTap",
      "path" : "Sources/SystemAudioTap",
      "product_memberships" : [
        "SystemAudioTap",
        "audio-tap"
      ],
      "sources" : [
        "SystemAudioTap.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...
[0/7] Write sources
[0/7] Write audio-tap-entitlement.plist
[3/7] Write swift-version-2F0A5646E1D333AE.txt
[5/9] Compiling SystemAudioTap SystemAudioTap.swift
/Users/admin/builder/spi-builder-workspace/Sources/SystemAudioTap/SystemAudioTap.swift:201:46: warning: capture of 'self' with non-sendable type 'SystemAudioTap?' in a '@Sendable' closure
 40 | /// it, setup still succeeds and the tap delivers silent buffers, so a caller cannot tell denial
 41 | /// from a quiet room by API result alone.
 42 | public final class SystemAudioTap {
    |                    `- note: class 'SystemAudioTap' does not conform to the 'Sendable' protocol
 43 |     private var tapID: AudioObjectID = kAudioObjectUnknown
 44 |     private var aggregateDeviceID: AudioObjectID = kAudioObjectUnknown
    :
199 |         lastEmitTime = now
200 |         let sample = AudioLevelSample(timestampMs: Int64(Date().timeIntervalSince1970 * 1000), dbfs: dbfs)
201 |         deliveryQueue.async { [weak self] in self?.onLevel?(sample) }
    |                                              `- warning: capture of 'self' with non-sendable type 'SystemAudioTap?' in a '@Sendable' closure
202 |     }
203 |
[6/9] Emitting module SystemAudioTap
[7/11] Compiling audio_tap main.swift
[8/11] Emitting module audio_tap
[8/11] Write Objects.LinkFileList
[9/11] Linking audio-tap
[10/11] Applying audio-tap
Build complete! (6.38s)
Build complete.
{
  "dependencies" : [
  ],
  "manifest_display_name" : "macos-audio-tap",
  "name" : "macos-audio-tap",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "macos",
      "version" : "14.4"
    }
  ],
  "products" : [
    {
      "name" : "SystemAudioTap",
      "targets" : [
        "SystemAudioTap"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    },
    {
      "name" : "audio-tap",
      "targets" : [
        "audio-tap"
      ],
      "type" : {
        "executable" : null
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "audio_tap",
      "module_type" : "SwiftTarget",
      "name" : "audio-tap",
      "path" : "Sources/audio-tap",
      "product_memberships" : [
        "audio-tap"
      ],
      "sources" : [
        "main.swift"
      ],
      "target_dependencies" : [
        "SystemAudioTap"
      ],
      "type" : "executable"
    },
    {
      "c99name" : "SystemAudioTapTests",
      "module_type" : "SwiftTarget",
      "name" : "SystemAudioTapTests",
      "path" : "Tests/SystemAudioTapTests",
      "sources" : [
        "LevelTests.swift"
      ],
      "target_dependencies" : [
        "SystemAudioTap"
      ],
      "type" : "test"
    },
    {
      "c99name" : "SystemAudioTap",
      "module_type" : "SwiftTarget",
      "name" : "SystemAudioTap",
      "path" : "Sources/SystemAudioTap",
      "product_memberships" : [
        "SystemAudioTap",
        "audio-tap"
      ],
      "sources" : [
        "SystemAudioTap.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.9"
}
Done.