Build Information
Successful build of Reactive, reference 4.0.2 (1b2878), with Swift 6.3 for macOS (SPM) on 11 Apr 2026 09:13:47 UTC.
Swift 6 data race errors: 0
Build Command
env DEVELOPER_DIR=/Applications/Xcode-26.4.0.app xcrun swift build --arch arm64Build Log
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RunAll
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Builder version: 4.70.0
Interrupt handler set up.
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Checkout
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Clone URL: https://github.com/amine2233/Reactive.git
Reference: 4.0.2
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/amine2233/Reactive
* tag 4.0.2 -> FETCH_HEAD
HEAD is now at 1b28785 FEAT: Add DispatchQueue when exec future
Cloned https://github.com/amine2233/Reactive.git
Revision (git rev-parse @):
1b28785898877e2123835a0fd82844262cf951c2
SUCCESS checkout https://github.com/amine2233/Reactive.git at 4.0.2
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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": "reactive",
"name": "Reactive",
"url": "https://github.com/amine2233/Reactive.git",
"version": "unspecified",
"path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/Reactive",
"traits": [
"default"
],
"dependencies": [
]
}
]
}
Fetching https://github.com/amine2233/Reactive.git
[1/438] Fetching reactive
Fetched https://github.com/amine2233/Reactive.git from cache (0.76s)
Creating working copy for https://github.com/amine2233/Reactive.git
Working copy of https://github.com/amine2233/Reactive.git resolved at 4.0.2 (1b28785)
warning: '.resolve-product-dependencies': dependency 'reactive' is not used by any target
Found 0 product dependencies
========================================
Build
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Selected platform: macosSpm
Swift version: 6.3
Building package at path: $PWD
https://github.com/amine2233/Reactive.git
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-26.4.0.app xcrun swift build --arch arm64
Building for debugging...
[0/2] Write sources
[1/2] Write swift-version--6988338F2F200930.txt
[3/14] Compiling Reactive ResultExtension.swift
[4/14] Compiling Reactive Threading.swift
[5/15] Compiling Reactive ObservableToken.swift
[6/15] Compiling Reactive FutureExtension.swift
[7/15] Compiling Reactive Precondition.swift
[8/15] Compiling Reactive ObservableExtension.swift
[9/15] Compiling Reactive ExecutionContext.swift
[10/15] Compiling Reactive Lock.swift
[11/15] Compiling Reactive Observable.swift
/Users/admin/builder/spi-builder-workspace/Sources/Reactive/Observable.swift:29:33: warning: using 'class' keyword to define a class-constrained protocol is deprecated; use 'AnyObject' instead [#deprecation]
27 | A type-erased Observable in order to avoid generic specification when unnecessary.
28 | */
29 | public protocol Unsubscribable: class {
| `- warning: using 'class' keyword to define a class-constrained protocol is deprecated; use 'AnyObject' instead [#deprecation]
30 | func unsubscribe(_ token: ObservableToken)
31 | }
/Users/admin/builder/spi-builder-workspace/Sources/Reactive/Observable.swift:159:27: warning: generic parameter 'T' shadows generic parameter from outer scope with the same name; this is an error in the Swift 6 language mode
57 | Observables are thread safe.
58 | */
59 | public final class Observable<T>: ObservableProtocol, Unsubscribable {
| `- note: 'T' previously declared here
60 |
61 | fileprivate var observers = [ObservableToken: Observer<T>]()
:
157 | */
158 | @discardableResult
159 | public func subscribe<T: ObservableProtocol>(_ observable: T) -> ObservableToken where Element == T.Element {
| `- warning: generic parameter 'T' shadows generic parameter from outer scope with the same name; this is an error in the Swift 6 language mode
160 | subscribe { value in
161 | observable.update(value)
[12/15] Compiling Reactive ObservableCombining.swift
/Users/admin/builder/spi-builder-workspace/Sources/Reactive/Observable.swift:29:33: warning: using 'class' keyword to define a class-constrained protocol is deprecated; use 'AnyObject' instead [#deprecation]
27 | A type-erased Observable in order to avoid generic specification when unnecessary.
28 | */
29 | public protocol Unsubscribable: class {
| `- warning: using 'class' keyword to define a class-constrained protocol is deprecated; use 'AnyObject' instead [#deprecation]
30 | func unsubscribe(_ token: ObservableToken)
31 | }
/Users/admin/builder/spi-builder-workspace/Sources/Reactive/Observable.swift:159:27: warning: generic parameter 'T' shadows generic parameter from outer scope with the same name; this is an error in the Swift 6 language mode
57 | Observables are thread safe.
58 | */
59 | public final class Observable<T>: ObservableProtocol, Unsubscribable {
| `- note: 'T' previously declared here
60 |
61 | fileprivate var observers = [ObservableToken: Observer<T>]()
:
157 | */
158 | @discardableResult
159 | public func subscribe<T: ObservableProtocol>(_ observable: T) -> ObservableToken where Element == T.Element {
| `- warning: generic parameter 'T' shadows generic parameter from outer scope with the same name; this is an error in the Swift 6 language mode
160 | subscribe { value in
161 | observable.update(value)
[13/15] Emitting module Reactive
/Users/admin/builder/spi-builder-workspace/Sources/Reactive/Observable.swift:29:33: warning: using 'class' keyword to define a class-constrained protocol is deprecated; use 'AnyObject' instead [#deprecation]
27 | A type-erased Observable in order to avoid generic specification when unnecessary.
28 | */
29 | public protocol Unsubscribable: class {
| `- warning: using 'class' keyword to define a class-constrained protocol is deprecated; use 'AnyObject' instead [#deprecation]
30 | func unsubscribe(_ token: ObservableToken)
31 | }
/Users/admin/builder/spi-builder-workspace/Sources/Reactive/Observable.swift:159:27: warning: generic parameter 'T' shadows generic parameter from outer scope with the same name; this is an error in the Swift 6 language mode
57 | Observables are thread safe.
58 | */
59 | public final class Observable<T>: ObservableProtocol, Unsubscribable {
| `- note: 'T' previously declared here
60 |
61 | fileprivate var observers = [ObservableToken: Observer<T>]()
:
157 | */
158 | @discardableResult
159 | public func subscribe<T: ObservableProtocol>(_ observable: T) -> ObservableToken where Element == T.Element {
| `- warning: generic parameter 'T' shadows generic parameter from outer scope with the same name; this is an error in the Swift 6 language mode
160 | subscribe { value in
161 | observable.update(value)
[14/15] Compiling Reactive Future.swift
[15/15] Compiling Reactive Timer.swift
Build complete! (5.21s)
Build complete.
{
"dependencies" : [
],
"manifest_display_name" : "Reactive",
"name" : "Reactive",
"path" : "/Users/admin/builder/spi-builder-workspace",
"platforms" : [
],
"products" : [
{
"name" : "Reactive",
"targets" : [
"Reactive"
],
"type" : {
"library" : [
"automatic"
]
}
}
],
"targets" : [
{
"c99name" : "ReactiveTests",
"module_type" : "SwiftTarget",
"name" : "ReactiveTests",
"path" : "Tests/ReactiveTests",
"sources" : [
"ExecutionContextTest.swift",
"FutureExtensionTests.swift",
"FutureTest.swift",
"ObservableCombiningTest.swift",
"ObservableExtensionTest.swift",
"ObservableTests.swift",
"ResultExtensionsTests.swift",
"ThreadingTest.swift",
"ThreadingTests.swift",
"TimerTest.swift",
"XCTest+Precondition.swift"
],
"target_dependencies" : [
"Reactive"
],
"type" : "test"
},
{
"c99name" : "Reactive",
"module_type" : "SwiftTarget",
"name" : "Reactive",
"path" : "Sources/Reactive",
"product_memberships" : [
"Reactive"
],
"sources" : [
"ExecutionContext.swift",
"Lock.swift",
"Observable.swift",
"ObservableCombining.swift",
"ObservableExtension.swift",
"ObservableToken.swift",
"Precondition.swift",
"Promise/Future.swift",
"Promise/FutureExtension.swift",
"Promise/ResultExtension.swift",
"Threading.swift",
"Timer.swift"
],
"type" : "library"
}
],
"tools_version" : "5.0"
}
Done.