Swift Package Index

Build Information

Successful build of Emit, reference 2.2.0 (d08120), with Swift 6.1 for macOS (SPM) on 27 Apr 2026 23:03:11 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: 4.70.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/hootsuite/emit.git
Reference: 2.2.0
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/hootsuite/emit
 * tag               2.2.0      -> FETCH_HEAD
HEAD is now at d08120e Update Signal.swift (#17)
Cloned https://github.com/hootsuite/emit.git
Revision (git rev-parse @):
d08120ebb672f394b6d1e5bccc680925ef11a776
SUCCESS checkout https://github.com/hootsuite/emit.git at 2.2.0
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             6.1
Building package at path:  $PWD
https://github.com/hootsuite/emit.git
https://github.com/hootsuite/emit.git
{
  "dependencies" : [
  ],
  "manifest_display_name" : "Emit",
  "name" : "Emit",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
  ],
  "products" : [
    {
      "name" : "Emit",
      "targets" : [
        "Emit"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "EmitTests",
      "module_type" : "SwiftTarget",
      "name" : "EmitTests",
      "path" : "Tests",
      "sources" : [
        "ObservableVariableTests.swift",
        "SignalTests.swift"
      ],
      "target_dependencies" : [
        "Emit"
      ],
      "type" : "test"
    },
    {
      "c99name" : "Emit",
      "module_type" : "SwiftTarget",
      "name" : "Emit",
      "path" : "Sources",
      "product_memberships" : [
        "Emit"
      ],
      "sources" : [
        "ObservableVariable.swift",
        "RWLock.swift",
        "Signal.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "4.2"
}
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
[3/6] Compiling Emit RWLock.swift
[4/6] Emitting module Emit
[5/6] Compiling Emit Signal.swift
/Users/admin/builder/spi-builder-workspace/Sources/Signal.swift:36:21: warning: capture of 'subscription' with non-sendable type 'OwnedSubscription<Event>' in a '@Sendable' closure
 34 |                 }
 35 |                 subscription.queue.async {
 36 |                     subscription.action(event)
    |                     `- warning: capture of 'subscription' with non-sendable type 'OwnedSubscription<Event>' in a '@Sendable' closure
 37 |                 }
 38 |             }
    :
137 | /// The subscription only holds a weak reference to its owner. When the owner is released the subscription becomes
138 | /// stale. Stale subscriptions don't get invoked and they are cleaned up periodically.
139 | private final class OwnedSubscription<T>: Subscription {
    |                     `- note: generic class 'OwnedSubscription' does not conform to the 'Sendable' protocol
140 |     typealias Event = T
141 |
/Users/admin/builder/spi-builder-workspace/Sources/Signal.swift:36:41: warning: capture of 'event' with non-sendable type 'Event' in a '@Sendable' closure
 16 |
 17 | /// `Signal` provides a mechanism for publishing events to subscribers.
 18 | public final class Signal<Event> {
    |                           `- note: consider making generic parameter 'Event' conform to the 'Sendable' protocol
 19 |     private var subscriptions = [OwnedSubscription<Event>]()
 20 |     private var lock = RWLock()
    :
 34 |                 }
 35 |                 subscription.queue.async {
 36 |                     subscription.action(event)
    |                                         `- warning: capture of 'event' with non-sendable type 'Event' in a '@Sendable' closure
 37 |                 }
 38 |             }
[6/6] Compiling Emit ObservableVariable.swift
Build complete! (4.00s)
Build complete.
{
  "dependencies" : [
  ],
  "manifest_display_name" : "Emit",
  "name" : "Emit",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
  ],
  "products" : [
    {
      "name" : "Emit",
      "targets" : [
        "Emit"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "EmitTests",
      "module_type" : "SwiftTarget",
      "name" : "EmitTests",
      "path" : "Tests",
      "sources" : [
        "ObservableVariableTests.swift",
        "SignalTests.swift"
      ],
      "target_dependencies" : [
        "Emit"
      ],
      "type" : "test"
    },
    {
      "c99name" : "Emit",
      "module_type" : "SwiftTarget",
      "name" : "Emit",
      "path" : "Sources",
      "product_memberships" : [
        "Emit"
      ],
      "sources" : [
        "ObservableVariable.swift",
        "RWLock.swift",
        "Signal.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "4.2"
}
Done.