Swift Package IndexBuild Information
Failed to build FuturaAsync, reference master (52a7f9), with Swift 6.3 for macOS (SPM) on 20 Apr 2026 16:33:58 UTC.
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/kaqu/futuraasync.git
Reference: master
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/kaqu/futuraasync
* branch master -> FETCH_HEAD
* [new branch] master -> origin/master
HEAD is now at 52a7f9c Result -> Either change
Cloned https://github.com/kaqu/futuraasync.git
Revision (git rev-parse @):
52a7f9c39634d26b53bacc4099786e4001df42cc
SUCCESS checkout https://github.com/kaqu/futuraasync.git at master
Fetching https://github.com/kaqu/FuturaFunc.git
[1/90] Fetching futurafunc
Fetched https://github.com/kaqu/FuturaFunc.git from cache (0.66s)
Creating working copy for https://github.com/kaqu/FuturaFunc.git
Working copy of https://github.com/kaqu/FuturaFunc.git resolved at master (aae2984)
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ResolveProductDependencies
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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": "futuraasync",
"name": "FuturaAsync",
"url": "https://github.com/kaqu/futuraasync.git",
"version": "unspecified",
"path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/futuraasync",
"traits": [
"default"
],
"dependencies": [
{
"identity": "futurafunc",
"name": "FuturaFunc",
"url": "https://github.com/kaqu/FuturaFunc.git",
"version": "unspecified",
"path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/FuturaFunc",
"traits": [
"default"
],
"dependencies": [
]
}
]
}
]
}
Fetching https://github.com/kaqu/futuraasync.git
[1/460] Fetching futuraasync
Fetched https://github.com/kaqu/futuraasync.git from cache (0.79s)
Fetching https://github.com/kaqu/FuturaFunc.git from cache
Fetched https://github.com/kaqu/FuturaFunc.git from cache (0.47s)
Creating working copy for https://github.com/kaqu/futuraasync.git
Working copy of https://github.com/kaqu/futuraasync.git resolved at master (52a7f9c)
Creating working copy for https://github.com/kaqu/FuturaFunc.git
Working copy of https://github.com/kaqu/FuturaFunc.git resolved at master (aae2984)
warning: '.resolve-product-dependencies': dependency 'futuraasync' is not used by any target
Found 1 product dependencies
- FuturaFunc
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Build
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Selected platform: macosSpm
Swift version: 6.3
Building package at path: $PWD
https://github.com/kaqu/futuraasync.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
[4/14] Compiling FuturaFunc Lens.swift
[5/14] Compiling FuturaFunc Operators.swift
[6/14] Compiling FuturaFunc Application.swift
[7/14] Compiling FuturaFunc Composition.swift
[8/15] Compiling FuturaFunc PrecedenceGroups.swift
[9/15] Compiling FuturaFunc Map.swift
[10/15] Emitting module FuturaFunc
[11/15] Compiling FuturaFunc Filter.swift
[12/15] Compiling FuturaFunc Flip.swift
[13/15] Compiling FuturaFunc Curry.swift
[14/15] Compiling FuturaFunc Either.swift
[15/15] Compiling FuturaFunc xxx.swift
[16/27] Compiling FuturaAsync Schedule.swift
[17/27] Compiling FuturaAsync Worker.swift
[18/27] Compiling FuturaAsync ExecutionContext.swift
[19/28] Compiling FuturaAsync Lock.swift
[20/28] Compiling FuturaAsync Promise.swift
/Users/admin/builder/spi-builder-workspace/Sources/FuturaAsync/Future/Promise.swift:7:5: warning: 'public' modifier is redundant for initializer declared in a public extension
5 | public extension Promise {
6 |
7 | public convenience init<T>(using worker: Worker = asyncWorker, withRetriesCount retryCount: UInt = 0, performing task: @escaping () throws -> (T)) where Value == Either<T, Error> {
| `- warning: 'public' modifier is redundant for initializer declared in a public extension
8 | self.init()
9 | var lastError: Error?
/Users/admin/builder/spi-builder-workspace/Sources/FuturaAsync/Future/Promise.swift:19:5: warning: 'public' modifier is redundant for instance method declared in a public extension
17 | }
18 |
19 | public func fulfill<T>(with value: T) where Value == Either<T, Error> {
| `- warning: 'public' modifier is redundant for instance method declared in a public extension
20 | future.becomeLeft(with: value)
21 | }
/Users/admin/builder/spi-builder-workspace/Sources/FuturaAsync/Future/Promise.swift:23:5: warning: 'public' modifier is redundant for instance method declared in a public extension
21 | }
22 |
23 | public func `break`<T>(with error: Error = PromiseError.cancelled) where Value == Either<T, Error> {
| `- warning: 'public' modifier is redundant for instance method declared in a public extension
24 | future.becomeRight(with: error)
25 | }
[21/28] Compiling FuturaAsync EitherFuture.swift
[22/28] Compiling FuturaAsync FailableFuture.swift
[23/28] Compiling FuturaAsync Future+Join.swift
[24/28] Emitting module FuturaAsync
/Users/admin/builder/spi-builder-workspace/Sources/FuturaAsync/Future/Promise.swift:7:5: warning: 'public' modifier is redundant for initializer declared in a public extension
5 | public extension Promise {
6 |
7 | public convenience init<T>(using worker: Worker = asyncWorker, withRetriesCount retryCount: UInt = 0, performing task: @escaping () throws -> (T)) where Value == Either<T, Error> {
| `- warning: 'public' modifier is redundant for initializer declared in a public extension
8 | self.init()
9 | var lastError: Error?
/Users/admin/builder/spi-builder-workspace/Sources/FuturaAsync/Future/Promise.swift:19:5: warning: 'public' modifier is redundant for instance method declared in a public extension
17 | }
18 |
19 | public func fulfill<T>(with value: T) where Value == Either<T, Error> {
| `- warning: 'public' modifier is redundant for instance method declared in a public extension
20 | future.becomeLeft(with: value)
21 | }
/Users/admin/builder/spi-builder-workspace/Sources/FuturaAsync/Future/Promise.swift:23:5: warning: 'public' modifier is redundant for instance method declared in a public extension
21 | }
22 |
23 | public func `break`<T>(with error: Error = PromiseError.cancelled) where Value == Either<T, Error> {
| `- warning: 'public' modifier is redundant for instance method declared in a public extension
24 | future.becomeRight(with: error)
25 | }
[25/28] Compiling FuturaAsync Catchable.swift
[26/28] Compiling FuturaAsync Delayed.swift
[27/28] Compiling FuturaAsync DispatchQueueWorker.swift
[28/28] Compiling FuturaAsync Future.swift
/Users/admin/builder/spi-builder-workspace/Sources/FuturaAsync/Future/Future.swift:16:28: error: cannot find 'expectation' in scope
14 | deinit {
15 | #if DEBUG
16 | guard case .none = expectation else { return }
| `- error: cannot find 'expectation' in scope
17 | print("WARNING - dealocating not completed future! - \(self)")
18 | #endif
BUILD FAILURE 6.3 macosSpm