Swift Package IndexBuild Information
Failed to build ViewState, reference 2.1.0 (4e0926), with Swift 6.3 for Wasm on 13 Apr 2026 21:59:45 UTC.
Build Command
bash -c docker run --pull=always --rm -v "checkouts-4609320-0":/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/heroesofcode/ViewState.git
Reference: 2.1.0
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/heroesofcode/ViewState
* tag 2.1.0 -> FETCH_HEAD
HEAD is now at 4e0926c Bump version to 2.1.0
Cloned https://github.com/heroesofcode/ViewState.git
Revision (git rev-parse @):
4e0926c6c05082f809088c9f8df30276a3cc00bd
SPI manifest file found: $PWD/.spi.yml
SUCCESS checkout https://github.com/heroesofcode/ViewState.git at 2.1.0
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Build
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Selected platform: wasm
Swift version: 6.3
Building package at path: $PWD
https://github.com/heroesofcode/ViewState.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4609320-0":/host -w "$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
error: emit-module command failed with exit code 1 (use -v to see invocation)
[3/6] Compiling ViewState Observable.swift
[4/6] Compiling ViewState ObserverProtocol.swift
[5/6] Emitting module ViewState
/host/spi-builder-workspace/Sources/ViewState/ViewState.swift:19:30: error: cannot find 'DispatchQueue' in scope
17 | private var fetchSourceBehavior: () -> Void = {}
18 |
19 | private let stateQueue = DispatchQueue(
| `- error: cannot find 'DispatchQueue' in scope
20 | label: "viewState.queue",
21 | attributes: .concurrent
/host/spi-builder-workspace/Sources/ViewState/ViewState.swift:21:22: error: cannot infer contextual base in reference to member 'concurrent'
19 | private let stateQueue = DispatchQueue(
20 | label: "viewState.queue",
21 | attributes: .concurrent
| `- error: cannot infer contextual base in reference to member 'concurrent'
22 | )
23 |
[6/6] Compiling ViewState ViewState.swift
/host/spi-builder-workspace/Sources/ViewState/ViewState.swift:19:30: error: cannot find 'DispatchQueue' in scope
17 | private var fetchSourceBehavior: () -> Void = {}
18 |
19 | private let stateQueue = DispatchQueue(
| `- error: cannot find 'DispatchQueue' in scope
20 | label: "viewState.queue",
21 | attributes: .concurrent
/host/spi-builder-workspace/Sources/ViewState/ViewState.swift:21:22: error: cannot infer contextual base in reference to member 'concurrent'
19 | private let stateQueue = DispatchQueue(
20 | label: "viewState.queue",
21 | attributes: .concurrent
| `- error: cannot infer contextual base in reference to member 'concurrent'
22 | )
23 |
/host/spi-builder-workspace/Sources/ViewState/ViewState.swift:32:13: error: cannot find 'DispatchQueue' in scope
30 | successBehavior.addObserver(self) { data in
31 | guard let data else { return }
32 | DispatchQueue.main.async {
| `- error: cannot find 'DispatchQueue' in scope
33 | success(data)
34 | }
/host/spi-builder-workspace/Sources/ViewState/ViewState.swift:44:13: error: cannot find 'DispatchQueue' in scope
42 | public func loadingObserver(_ loading: @escaping () -> Void) -> ViewState {
43 | loadingBehavior.addObserver(self) { _ in
44 | DispatchQueue.main.async {
| `- error: cannot find 'DispatchQueue' in scope
45 | loading()
46 | }
/host/spi-builder-workspace/Sources/ViewState/ViewState.swift:57:13: error: cannot find 'DispatchQueue' in scope
55 | errorBehavior.addObserver(self) { errorMessage in
56 | guard let errorMessage else { return }
57 | DispatchQueue.main.async {
| `- error: cannot find 'DispatchQueue' in scope
58 | error(errorMessage)
59 | }
/host/spi-builder-workspace/Sources/ViewState/ViewState.swift:71:34: error: cannot infer contextual base in reference to member 'barrier'
69 |
70 | private func postRequest() {
71 | stateQueue.async(flags: .barrier) {
| `- error: cannot infer contextual base in reference to member 'barrier'
72 | self.verifyCanMakeRequest.value = Any.self
73 | }
/host/spi-builder-workspace/Sources/ViewState/ViewState.swift:86:34: error: cannot infer contextual base in reference to member 'barrier'
84 |
85 | private func loading() {
86 | stateQueue.async(flags: .barrier) {
| `- error: cannot infer contextual base in reference to member 'barrier'
87 | self.loadingBehavior.value = {}
88 | }
/host/spi-builder-workspace/Sources/ViewState/ViewState.swift:92:34: error: cannot infer contextual base in reference to member 'barrier'
90 |
91 | public func success(data: T) {
92 | stateQueue.async(flags: .barrier) {
| `- error: cannot infer contextual base in reference to member 'barrier'
93 | self.clearErrors()
94 | self.successBehavior.value = data
/host/spi-builder-workspace/Sources/ViewState/ViewState.swift:99:34: error: cannot infer contextual base in reference to member 'barrier'
97 |
98 | public func error(error: E) {
99 | stateQueue.async(flags: .barrier) {
| `- error: cannot infer contextual base in reference to member 'barrier'
100 | self.clearSuccess()
101 | self.errorBehavior.value = error
BUILD FAILURE 6.3 wasm