Swift Package IndexBuild Information
Failed to build Asynchrone, reference v0.22.0 (1ddfcd), with Swift 6.3 for Wasm on 21 Apr 2026 09:34:06 UTC.
Build Command
bash -c docker run --pull=always --rm -v "checkouts-4606859-2":/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
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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/reddavis/Asynchrone.git
Reference: v0.22.0
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/reddavis/Asynchrone
* tag v0.22.0 -> FETCH_HEAD
HEAD is now at 1ddfcd3 feat: remove Jazzy documentation (#52)
Cloned https://github.com/reddavis/Asynchrone.git
Revision (git rev-parse @):
1ddfcd3bc93277f68dffb793fc60001902f2517b
SPI manifest file found: $PWD/.spi.yml
SUCCESS checkout https://github.com/reddavis/Asynchrone.git at v0.22.0
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Build
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Selected platform: wasm
Swift version: 6.3
Building package at path: $PWD
https://github.com/reddavis/Asynchrone.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4606859-2":/host -w "$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...
[0/2] Write sources
[1/2] Write swift-version-24593BA9C3E375BF.txt
[3/32] Emitting module Asynchrone
[4/36] Compiling Asynchrone Empty.swift
[5/36] Compiling Asynchrone Fail.swift
[6/36] Compiling Asynchrone Just.swift
[7/36] Compiling Asynchrone Merge3AsyncSequence.swift
[8/36] Compiling Asynchrone AsyncSequenceCompletion.swift
[9/36] Compiling Asynchrone CatchErrorAsyncSequence.swift
[10/36] Compiling Asynchrone ChainAsyncSequenceable.swift
[11/36] Compiling Asynchrone CombineLatest3AsyncSequence.swift
[12/36] Compiling Asynchrone ErrorMechanism.swift
[13/36] Compiling Asynchrone RethrowingAccessor.swift
[14/36] Compiling Asynchrone AsyncSequence+Extension.swift
[15/36] Compiling Asynchrone AsyncStream+Extension.swift
[16/36] Compiling Asynchrone AsyncThrowingStream+Extension.swift
[17/36] Compiling Asynchrone Task+Extension.swift
[18/36] Compiling Asynchrone TimeInterval+Extension.swift
[19/36] Compiling Asynchrone AnyAsyncSequenceable.swift
[20/36] Compiling Asynchrone AnyThrowingAsyncSequenceable.swift
[21/36] Compiling Asynchrone ThrowingPassthroughAsyncSequence.swift
[22/36] Compiling Asynchrone TimerAsyncSequence.swift
[23/36] Compiling Asynchrone Zip3AsyncSequence.swift
[24/36] Compiling Asynchrone ZipAsyncSequence.swift
[25/36] Compiling Asynchrone CombineLatestAsyncSequence.swift
[26/36] Compiling Asynchrone CurrentElementAsyncSequence.swift
[27/36] Compiling Asynchrone DebounceAsyncSequence.swift
[28/36] Compiling Asynchrone DelayAsyncSequence.swift
[29/36] Compiling Asynchrone MergeAsyncSequence.swift
/host/spi-builder-workspace/Sources/Asynchrone/Sequences/NotificationCenterAsyncSequence.swift:70:53: error: no exact matches in call to instance method 'addObserver'
68 | self.iterator = self.passthroughAsyncSequence.makeAsyncIterator()
69 |
70 | self.observer = self.notificationCenter.addObserver(
| |- error: no exact matches in call to instance method 'addObserver'
| |- note: found candidate with type '(Message.Subject?, Message.Type, @escaping @Sendable (Message) async -> Void) -> NotificationCenter.ObservationToken'
| `- note: found candidate with type '(Message.Subject?, Message.Type, @escaping @MainActor (Message) -> Void) -> NotificationCenter.ObservationToken'
71 | forName: notificationName,
72 | object: object,
/host/spi-builder-workspace/Sources/Asynchrone/Sequences/NotificationCenterAsyncSequence.swift:73:24: error: 'nil' requires a contextual type
71 | forName: notificationName,
72 | object: object,
73 | queue: nil
| `- error: 'nil' requires a contextual type
74 | ) { [passthroughAsyncSequence] notification in
75 | passthroughAsyncSequence.yield(notification)
/host/spi-builder-workspace/Sources/Asynchrone/Sequences/NotificationCenterAsyncSequence.swift:84:60: error: cannot convert value of type 'Any' to expected argument type 'NotificationCenter.ObservationToken'
82 | guard let value = await self.iterator.next() else {
83 | if let observer = observer {
84 | self.notificationCenter.removeObserver(observer)
| `- error: cannot convert value of type 'Any' to expected argument type 'NotificationCenter.ObservationToken'
85 | }
86 | return nil
[30/36] Compiling Asynchrone NotificationCenterAsyncSequence.swift
/host/spi-builder-workspace/Sources/Asynchrone/Sequences/NotificationCenterAsyncSequence.swift:70:53: error: no exact matches in call to instance method 'addObserver'
68 | self.iterator = self.passthroughAsyncSequence.makeAsyncIterator()
69 |
70 | self.observer = self.notificationCenter.addObserver(
| |- error: no exact matches in call to instance method 'addObserver'
| |- note: found candidate with type '(Message.Subject?, Message.Type, @escaping @Sendable (Message) async -> Void) -> NotificationCenter.ObservationToken'
| `- note: found candidate with type '(Message.Subject?, Message.Type, @escaping @MainActor (Message) -> Void) -> NotificationCenter.ObservationToken'
71 | forName: notificationName,
72 | object: object,
/host/spi-builder-workspace/Sources/Asynchrone/Sequences/NotificationCenterAsyncSequence.swift:73:24: error: 'nil' requires a contextual type
71 | forName: notificationName,
72 | object: object,
73 | queue: nil
| `- error: 'nil' requires a contextual type
74 | ) { [passthroughAsyncSequence] notification in
75 | passthroughAsyncSequence.yield(notification)
/host/spi-builder-workspace/Sources/Asynchrone/Sequences/NotificationCenterAsyncSequence.swift:84:60: error: cannot convert value of type 'Any' to expected argument type 'NotificationCenter.ObservationToken'
82 | guard let value = await self.iterator.next() else {
83 | if let observer = observer {
84 | self.notificationCenter.removeObserver(observer)
| `- error: cannot convert value of type 'Any' to expected argument type 'NotificationCenter.ObservationToken'
85 | }
86 | return nil
[31/36] Compiling Asynchrone PassthroughAsyncSequence.swift
/host/spi-builder-workspace/Sources/Asynchrone/Sequences/NotificationCenterAsyncSequence.swift:70:53: error: no exact matches in call to instance method 'addObserver'
68 | self.iterator = self.passthroughAsyncSequence.makeAsyncIterator()
69 |
70 | self.observer = self.notificationCenter.addObserver(
| |- error: no exact matches in call to instance method 'addObserver'
| |- note: found candidate with type '(Message.Subject?, Message.Type, @escaping @Sendable (Message) async -> Void) -> NotificationCenter.ObservationToken'
| `- note: found candidate with type '(Message.Subject?, Message.Type, @escaping @MainActor (Message) -> Void) -> NotificationCenter.ObservationToken'
71 | forName: notificationName,
72 | object: object,
/host/spi-builder-workspace/Sources/Asynchrone/Sequences/NotificationCenterAsyncSequence.swift:73:24: error: 'nil' requires a contextual type
71 | forName: notificationName,
72 | object: object,
73 | queue: nil
| `- error: 'nil' requires a contextual type
74 | ) { [passthroughAsyncSequence] notification in
75 | passthroughAsyncSequence.yield(notification)
/host/spi-builder-workspace/Sources/Asynchrone/Sequences/NotificationCenterAsyncSequence.swift:84:60: error: cannot convert value of type 'Any' to expected argument type 'NotificationCenter.ObservationToken'
82 | guard let value = await self.iterator.next() else {
83 | if let observer = observer {
84 | self.notificationCenter.removeObserver(observer)
| `- error: cannot convert value of type 'Any' to expected argument type 'NotificationCenter.ObservationToken'
85 | }
86 | return nil
[32/36] Compiling Asynchrone RemoveDuplicatesAsyncSequence.swift
/host/spi-builder-workspace/Sources/Asynchrone/Sequences/NotificationCenterAsyncSequence.swift:70:53: error: no exact matches in call to instance method 'addObserver'
68 | self.iterator = self.passthroughAsyncSequence.makeAsyncIterator()
69 |
70 | self.observer = self.notificationCenter.addObserver(
| |- error: no exact matches in call to instance method 'addObserver'
| |- note: found candidate with type '(Message.Subject?, Message.Type, @escaping @Sendable (Message) async -> Void) -> NotificationCenter.ObservationToken'
| `- note: found candidate with type '(Message.Subject?, Message.Type, @escaping @MainActor (Message) -> Void) -> NotificationCenter.ObservationToken'
71 | forName: notificationName,
72 | object: object,
/host/spi-builder-workspace/Sources/Asynchrone/Sequences/NotificationCenterAsyncSequence.swift:73:24: error: 'nil' requires a contextual type
71 | forName: notificationName,
72 | object: object,
73 | queue: nil
| `- error: 'nil' requires a contextual type
74 | ) { [passthroughAsyncSequence] notification in
75 | passthroughAsyncSequence.yield(notification)
/host/spi-builder-workspace/Sources/Asynchrone/Sequences/NotificationCenterAsyncSequence.swift:84:60: error: cannot convert value of type 'Any' to expected argument type 'NotificationCenter.ObservationToken'
82 | guard let value = await self.iterator.next() else {
83 | if let observer = observer {
84 | self.notificationCenter.removeObserver(observer)
| `- error: cannot convert value of type 'Any' to expected argument type 'NotificationCenter.ObservationToken'
85 | }
86 | return nil
[33/36] Compiling Asynchrone ReplaceErrorAsyncSequence.swift
[34/36] Compiling Asynchrone SequenceAsyncSequence.swift
[35/36] Compiling Asynchrone SharedAsyncSequence.swift
[36/36] Compiling Asynchrone ThrottleAsyncSequence.swift
BUILD FAILURE 6.3 wasm