Swift Package IndexBuild Information
Failed to build Split, reference 3.7.2-rc3 (45edf2), with Swift 6.1 for Wasm on 3 Sep 2026 14:38:05 UTC.
Build Command
bash -c docker run --pull=always --rm -v "checkouts-54344845-1":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/saguaro1/spi-images:wasm-6.1-latest swift build --swift-sdk wasm32-unknown-wasi 2>&1Build Log
========================================
RunAll
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Builder version: 5.0.2
Interrupt handler set up.
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Checkout
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Clone URL: https://github.com/splitio/ios-client.git
Reference: 3.7.2-rc3
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 3.7.2-rc3 -> FETCH_HEAD
HEAD is now at 45edf24 chore: Update version to 3.7.2-rc3 (#11)
Cloned https://github.com/splitio/ios-client.git
Revision (git rev-parse @):
45edf24f011a529e24960c79ffd47224d94c2035
SUCCESS checkout https://github.com/splitio/ios-client.git at 3.7.2-rc3
========================================
Build
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Selected platform: wasm
Swift version: 6.1
Building package at path: $PWD
https://github.com/splitio/ios-client.git
https://github.com/splitio/ios-client.git
WARNING: environment variable SUPPRESS_SWIFT_6_FLAGS is not set
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-54344845-1":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/saguaro1/spi-images:wasm-6.1-latest swift build --swift-sdk wasm32-unknown-wasi -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 2>&1
wasm-6.1-latest: Pulling from saguaro1/spi-images
Digest: sha256:290f441d1f5b7bf0dbbe61e8b7514208804cdcb507d57b3c762463ad036298f7
Status: Image is up to date for registry.gitlab.com/saguaro1/spi-images:wasm-6.1-latest
Building for debugging...
[0/10] Write sources
[8/10] Copying split_cache.xcdatamodeld
[9/10] Write swift-version-24593BA9C3E375BF.txt
[11/30] Compiling Tracker TrackerValidation.swift
[12/30] Compiling Logging DateProvider.swift
[13/30] Compiling Concurrency Concurrency.swift
[14/30] Compiling Concurrency Atomic.swift
[15/30] Compiling Tracker TrackerModels.swift
[16/30] Compiling Concurrency SynchronizedDictionary.swift
/host/spi-builder-workspace/Sources/Concurrency/SynchronizedDictionary.swift:13:24: error: cannot find type 'DispatchQueue' in scope
11 | public class SynchronizedDictionary<K: Hashable, T>: @unchecked Sendable {
12 |
13 | private var queue: DispatchQueue = DispatchQueue(label: "split-synchronized-dictionary", target: .global())
| `- error: cannot find type 'DispatchQueue' in scope
14 | private var items = [K: T]()
15 |
error: emit-module command failed with exit code 1 (use -v to see invocation)
[17/30] Compiling Tracker Tracker.swift
[18/30] Emitting module Tracker
[19/30] Emitting module Concurrency
/host/spi-builder-workspace/Sources/Concurrency/SynchronizedDictionary.swift:13:24: error: cannot find type 'DispatchQueue' in scope
11 | public class SynchronizedDictionary<K: Hashable, T>: @unchecked Sendable {
12 |
13 | private var queue: DispatchQueue = DispatchQueue(label: "split-synchronized-dictionary", target: .global())
| `- error: cannot find type 'DispatchQueue' in scope
14 | private var items = [K: T]()
15 |
/host/spi-builder-workspace/Sources/Concurrency/SynchronizedDictionaryComposed.swift:13:24: error: cannot find type 'DispatchQueue' in scope
11 | public class SynchronizedDictionaryComposed<K: Hashable, IK: Hashable>: @unchecked Sendable {
12 |
13 | private var queue: DispatchQueue = DispatchQueue(label: "split-synchronized-dictionary-composed",
| `- error: cannot find type 'DispatchQueue' in scope
14 | target: .global())
15 | private var items = [K: [IK: Any]]()
/host/spi-builder-workspace/Sources/Concurrency/SynchronizedDictionarySet.swift:13:24: error: cannot find type 'DispatchQueue' in scope
11 | public class SynchronizedDictionarySet<K: Hashable, T: Hashable>: @unchecked Sendable {
12 |
13 | private var queue: DispatchQueue = DispatchQueue(label: "split-synchronized-dictionary-set",
| `- error: cannot find type 'DispatchQueue' in scope
14 | target: .global())
15 | private var items = [K: Set<T>]()
[20/31] Compiling Logging TimeChecker.swift
/host/spi-builder-workspace/Sources/Logging/TimeChecker.swift:13:28: warning: static property 'startTime' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
11 | nonisolated(unsafe) private static var startTime: Int64 = 0
12 | #else
13 | private static var startTime: Int64 = 0
| |- warning: static property 'startTime' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
| |- note: convert 'startTime' to a 'let' constant to make 'Sendable' shared state immutable
| |- note: add '@MainActor' to make static property 'startTime' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
14 | #endif
15 |
[21/31] Compiling Logging LogLevel.swift
[22/31] Compiling Concurrency SynchronizedDictionaryComposed.swift
/host/spi-builder-workspace/Sources/Concurrency/SynchronizedDictionaryComposed.swift:13:24: error: cannot find type 'DispatchQueue' in scope
11 | public class SynchronizedDictionaryComposed<K: Hashable, IK: Hashable>: @unchecked Sendable {
12 |
13 | private var queue: DispatchQueue = DispatchQueue(label: "split-synchronized-dictionary-composed",
| `- error: cannot find type 'DispatchQueue' in scope
14 | target: .global())
15 | private var items = [K: [IK: Any]]()
[23/31] Emitting module Logging
/host/spi-builder-workspace/Sources/Logging/TimeChecker.swift:13:28: warning: static property 'startTime' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
11 | nonisolated(unsafe) private static var startTime: Int64 = 0
12 | #else
13 | private static var startTime: Int64 = 0
| |- warning: static property 'startTime' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
| |- note: convert 'startTime' to a 'let' constant to make 'Sendable' shared state immutable
| |- note: add '@MainActor' to make static property 'startTime' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
14 | #endif
15 |
[24/31] Compiling Concurrency SynchronizedDictionarySet.swift
/host/spi-builder-workspace/Sources/Concurrency/SynchronizedDictionarySet.swift:13:24: error: cannot find type 'DispatchQueue' in scope
11 | public class SynchronizedDictionarySet<K: Hashable, T: Hashable>: @unchecked Sendable {
12 |
13 | private var queue: DispatchQueue = DispatchQueue(label: "split-synchronized-dictionary-set",
| `- error: cannot find type 'DispatchQueue' in scope
14 | target: .global())
15 | private var items = [K: Set<T>]()
[25/31] Compiling Logging Logger.swift
[26/31] Compiling Logging Logging.swift
[27/31] Compiling Logging LogPrinter.swift
error: emit-module command failed with exit code 1 (use -v to see invocation)
[28/31] 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) {
/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 }
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-54344845-1":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/saguaro1/spi-images:wasm-6.1-latest swift build --swift-sdk wasm32-unknown-wasi 2>&1
wasm-6.1-latest: Pulling from saguaro1/spi-images
Digest: sha256:290f441d1f5b7bf0dbbe61e8b7514208804cdcb507d57b3c762463ad036298f7
Status: Image is up to date for registry.gitlab.com/saguaro1/spi-images:wasm-6.1-latest
[0/1] Planning build
Building for debugging...
[0/1] Write swift-version-24593BA9C3E375BF.txt
[2/21] Compiling Tracker TrackerValidation.swift
[3/21] Compiling Tracker Tracker.swift
[4/21] Compiling Tracker TrackerModels.swift
[5/21] Emitting module Tracker
[6/21] Compiling Concurrency Concurrency.swift
error: emit-module command failed with exit code 1 (use -v to see invocation)
[7/22] 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) {
[8/22] Compiling Concurrency SynchronizedDictionaryComposed.swift
/host/spi-builder-workspace/Sources/Concurrency/SynchronizedDictionaryComposed.swift:13:24: error: cannot find type 'DispatchQueue' in scope
11 | public class SynchronizedDictionaryComposed<K: Hashable, IK: Hashable>: @unchecked Sendable {
12 |
13 | private var queue: DispatchQueue = DispatchQueue(label: "split-synchronized-dictionary-composed",
| `- error: cannot find type 'DispatchQueue' in scope
14 | target: .global())
15 | private var items = [K: [IK: Any]]()
[9/22] Compiling Concurrency SynchronizedDictionary.swift
/host/spi-builder-workspace/Sources/Concurrency/SynchronizedDictionary.swift:13:24: error: cannot find type 'DispatchQueue' in scope
11 | public class SynchronizedDictionary<K: Hashable, T>: @unchecked Sendable {
12 |
13 | private var queue: DispatchQueue = DispatchQueue(label: "split-synchronized-dictionary", target: .global())
| `- error: cannot find type 'DispatchQueue' in scope
14 | private var items = [K: T]()
15 |
[10/22] 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 | }
[11/22] 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 }
[12/22] Compiling Logging DateProvider.swift
error: emit-module command failed with exit code 1 (use -v to see invocation)
[13/22] Emitting module Concurrency
/host/spi-builder-workspace/Sources/Concurrency/SynchronizedDictionary.swift:13:24: error: cannot find type 'DispatchQueue' in scope
11 | public class SynchronizedDictionary<K: Hashable, T>: @unchecked Sendable {
12 |
13 | private var queue: DispatchQueue = DispatchQueue(label: "split-synchronized-dictionary", target: .global())
| `- error: cannot find type 'DispatchQueue' in scope
14 | private var items = [K: T]()
15 |
/host/spi-builder-workspace/Sources/Concurrency/SynchronizedDictionaryComposed.swift:13:24: error: cannot find type 'DispatchQueue' in scope
11 | public class SynchronizedDictionaryComposed<K: Hashable, IK: Hashable>: @unchecked Sendable {
12 |
13 | private var queue: DispatchQueue = DispatchQueue(label: "split-synchronized-dictionary-composed",
| `- error: cannot find type 'DispatchQueue' in scope
14 | target: .global())
15 | private var items = [K: [IK: Any]]()
/host/spi-builder-workspace/Sources/Concurrency/SynchronizedDictionarySet.swift:13:24: error: cannot find type 'DispatchQueue' in scope
11 | public class SynchronizedDictionarySet<K: Hashable, T: Hashable>: @unchecked Sendable {
12 |
13 | private var queue: DispatchQueue = DispatchQueue(label: "split-synchronized-dictionary-set",
| `- error: cannot find type 'DispatchQueue' in scope
14 | target: .global())
15 | private var items = [K: Set<T>]()
[14/22] Compiling Logging Logging.swift
[15/22] Compiling Logging LogPrinter.swift
[16/22] Compiling Logging LogLevel.swift
[17/22] Emitting module Logging
[18/22] Compiling Logging Logger.swift
BUILD FAILURE 6.1 wasm