Swift Package IndexBuild Information
Failed to build Split, reference 3.8.0-rc1 (b4411f), with Swift 6.3 for Wasm on 18 Apr 2026 17:39:38 UTC.
Build Command
bash -c docker run --pull=always --rm -v "checkouts-4609320-1":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/swiftpackageindex/spi-images:wasm-6.3-latest swift build --swift-sdk swift-6.3-RELEASE_wasm 2>&1Build Log
========================================
RunAll
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Builder version: 4.70.0
Interrupt handler set up.
========================================
Checkout
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Clone URL: https://github.com/splitio/ios-client.git
Reference: 3.8.0-rc1
Initialized empty Git repository in /host/spi-builder-workspace/.git/
hint: Using 'master' as the name for the initial branch. This default branch name
hint: is subject to change. To configure the initial branch name to use in all
hint: of your new repositories, which will suppress this warning, call:
hint:
hint: git config --global init.defaultBranch <name>
hint:
hint: Names commonly chosen instead of 'master' are 'main', 'trunk' and
hint: 'development'. The just-created branch can be renamed via this command:
hint:
hint: git branch -m <name>
From https://github.com/splitio/ios-client
* tag 3.8.0-rc1 -> FETCH_HEAD
HEAD is now at b4411fc Merge pull request #841 from splitio/release/3.8.0-rc1
Cloned https://github.com/splitio/ios-client.git
Revision (git rev-parse @):
b4411fc79180146a9d372c40beb8f48f4440a534
SUCCESS checkout https://github.com/splitio/ios-client.git at 3.8.0-rc1
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Build
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Selected platform: wasm
Swift version: 6.3
Building package at path: $PWD
https://github.com/splitio/ios-client.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4609320-1":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/swiftpackageindex/spi-images:wasm-6.3-latest swift build --swift-sdk swift-6.3-RELEASE_wasm 2>&1
wasm-6.3-latest: Pulling from swiftpackageindex/spi-images
Digest: sha256:d69f4e7582c319245442d62a08b2d7c7fd5a0c0c69f5d2ef11d1530cd8d3329b
Status: Image is up to date for registry.gitlab.com/swiftpackageindex/spi-images:wasm-6.3-latest
Building for debugging...
[0/7] Copying split_cache.xcdatamodeld
[1/7] Write sources
[6/7] Write swift-version-24593BA9C3E375BF.txt
error: emit-module command failed with exit code 1 (use -v to see invocation)
[8/17] Emitting module PeriodicRecorderWorker
/host/spi-builder-workspace/Sources/PeriodicRecorderWorker/PeriodicRecorderWorker.swift:23:29: error: cannot find type 'DispatchQueue' in scope
21 | private let recorderWorker: RecorderWorker
22 | private var fetchTimer: PeriodicTimer
23 | private let fetchQueue: DispatchQueue
| `- error: cannot find type 'DispatchQueue' in scope
24 | private var isPaused: Bool = false
25 | private let lock = NSLock()
/host/spi-builder-workspace/Sources/PeriodicRecorderWorker/PeriodicTimer.swift:17:29: error: cannot find type 'DispatchSourceTimer' in scope
15 | private let deadLineInSecs: Int
16 | private let intervalInSecs: Int
17 | private var fetchTimer: DispatchSourceTimer
| `- error: cannot find type 'DispatchSourceTimer' in scope
18 | private var isRunning: Bool = false
19 | private let lock = NSLock()
/host/spi-builder-workspace/Sources/PeriodicRecorderWorker/PeriodicTimer.swift:20:24: error: cannot find type 'DispatchQueue' in scope
18 | private var isRunning: Bool = false
19 | private let lock = NSLock()
20 | private let queue: DispatchQueue
| `- error: cannot find type 'DispatchQueue' in scope
21 |
22 | public init(deadline deadlineInSecs: Int, interval intervalInSecs: Int) {
[9/17] Compiling PeriodicRecorderWorker PeriodicRecorderWorker.swift
/host/spi-builder-workspace/Sources/PeriodicRecorderWorker/PeriodicRecorderWorker.swift:23:29: error: cannot find type 'DispatchQueue' in scope
21 | private let recorderWorker: RecorderWorker
22 | private var fetchTimer: PeriodicTimer
23 | private let fetchQueue: DispatchQueue
| `- error: cannot find type 'DispatchQueue' in scope
24 | private var isPaused: Bool = false
25 | private let lock = NSLock()
/host/spi-builder-workspace/Sources/PeriodicRecorderWorker/PeriodicRecorderWorker.swift:30:27: error: cannot find 'DispatchQueue' in scope
28 | self.recorderWorker = recorderWorker
29 | self.fetchTimer = timer
30 | self.fetchQueue = DispatchQueue(label: "split-periodic-recorder", attributes: .concurrent)
| `- error: cannot find 'DispatchQueue' in scope
31 | self.fetchTimer.handler { [weak self] in
32 | guard let self = self else { return }
/host/spi-builder-workspace/Sources/PeriodicRecorderWorker/PeriodicRecorderWorker.swift:30:88: error: cannot infer contextual base in reference to member 'concurrent'
28 | self.recorderWorker = recorderWorker
29 | self.fetchTimer = timer
30 | self.fetchQueue = DispatchQueue(label: "split-periodic-recorder", attributes: .concurrent)
| `- error: cannot infer contextual base in reference to member 'concurrent'
31 | self.fetchTimer.handler { [weak self] in
32 | guard let self = self else { return }
[10/17] Compiling PeriodicRecorderWorker PeriodicTimer.swift
/host/spi-builder-workspace/Sources/PeriodicRecorderWorker/PeriodicTimer.swift:17:29: error: cannot find type 'DispatchSourceTimer' in scope
15 | private let deadLineInSecs: Int
16 | private let intervalInSecs: Int
17 | private var fetchTimer: DispatchSourceTimer
| `- error: cannot find type 'DispatchSourceTimer' in scope
18 | private var isRunning: Bool = false
19 | private let lock = NSLock()
/host/spi-builder-workspace/Sources/PeriodicRecorderWorker/PeriodicTimer.swift:20:24: error: cannot find type 'DispatchQueue' in scope
18 | private var isRunning: Bool = false
19 | private let lock = NSLock()
20 | private let queue: DispatchQueue
| `- error: cannot find type 'DispatchQueue' in scope
21 |
22 | public init(deadline deadlineInSecs: Int, interval intervalInSecs: Int) {
/host/spi-builder-workspace/Sources/PeriodicRecorderWorker/PeriodicTimer.swift:25:22: error: cannot find 'DispatchQueue' in scope
23 | self.deadLineInSecs = deadlineInSecs
24 | self.intervalInSecs = intervalInSecs
25 | self.queue = DispatchQueue(label: "split-periodic-timer", attributes: .concurrent)
| `- error: cannot find 'DispatchQueue' in scope
26 | fetchTimer = DispatchSource.makeTimerSource(queue: queue)
27 | self.fetchTimer.resume()
/host/spi-builder-workspace/Sources/PeriodicRecorderWorker/PeriodicTimer.swift:25:80: error: cannot infer contextual base in reference to member 'concurrent'
23 | self.deadLineInSecs = deadlineInSecs
24 | self.intervalInSecs = intervalInSecs
25 | self.queue = DispatchQueue(label: "split-periodic-timer", attributes: .concurrent)
| `- error: cannot infer contextual base in reference to member 'concurrent'
26 | fetchTimer = DispatchSource.makeTimerSource(queue: queue)
27 | self.fetchTimer.resume()
/host/spi-builder-workspace/Sources/PeriodicRecorderWorker/PeriodicTimer.swift:26:22: error: cannot find 'DispatchSource' in scope
24 | self.intervalInSecs = intervalInSecs
25 | self.queue = DispatchQueue(label: "split-periodic-timer", attributes: .concurrent)
26 | fetchTimer = DispatchSource.makeTimerSource(queue: queue)
| `- error: cannot find 'DispatchSource' in scope
27 | self.fetchTimer.resume()
28 | }
/host/spi-builder-workspace/Sources/PeriodicRecorderWorker/PeriodicTimer.swift:42:45: error: cannot infer contextual base in reference to member 'seconds'
40 | if !wasRunning {
41 | fetchTimer.schedule(deadline: .now() + .seconds(deadLineInSecs),
42 | repeating: .seconds(intervalInSecs))
| `- error: cannot infer contextual base in reference to member 'seconds'
43 | }
44 | }
/host/spi-builder-workspace/Sources/PeriodicRecorderWorker/PeriodicTimer.swift:41:44: error: cannot call value of non-function type 'ContinuousClock.Instant'
39 |
40 | if !wasRunning {
41 | fetchTimer.schedule(deadline: .now() + .seconds(deadLineInSecs),
| `- error: cannot call value of non-function type 'ContinuousClock.Instant'
42 | repeating: .seconds(intervalInSecs))
43 | }
[11/17] Compiling Logging LogPrinter.swift
[12/17] Compiling Logging DateProvider.swift
[13/17] Emitting module Logging
[14/17] Compiling Logging LogLevel.swift
[15/17] Compiling Logging Logger.swift
[16/17] Compiling Logging Logging.swift
BUILD FAILURE 6.3 wasm