The Swift Package Index logo.Swift Package Index

Has it really been five years since Swift Package Index launched? Read our anniversary blog post!

Build Information

Failed to build ViewState, reference master (5553ba), with Swift 6.1 for Wasm on 6 Sep 2025 19:38:49 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/finestructure/spi-images:wasm-6.1-latest swift build --swift-sdk wasm32-unknown-wasi 2>&1

Build Log

========================================
RunAll
========================================
Builder version: 4.67.1
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/heroesofcode/ViewState.git
Reference: master
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
 * branch            master     -> FETCH_HEAD
 * [new branch]      master     -> origin/master
HEAD is now at 5553ba6 Merge pull request #120 from heroesofcode/renovate/migrate-config
Cloned https://github.com/heroesofcode/ViewState.git
Revision (git rev-parse @):
5553ba687a3520370d93c4f462bca753aa781bc7
SPI manifest file found: $PWD/.spi.yml
SUCCESS checkout https://github.com/heroesofcode/ViewState.git at master
========================================
Build
========================================
Selected platform:         wasm
Swift version:             6.1
Building package at path:  $PWD
https://github.com/heroesofcode/ViewState.git
https://github.com/heroesofcode/ViewState.git
WARNING: environment variable SUPPRESS_SWIFT_6_FLAGS is not set
{
  "dependencies" : [
  ],
  "manifest_display_name" : "ViewState",
  "name" : "ViewState",
  "path" : "/host/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "ios",
      "version" : "15.0"
    },
    {
      "name" : "macos",
      "version" : "12.0"
    },
    {
      "name" : "tvos",
      "version" : "15.0"
    },
    {
      "name" : "watchos",
      "version" : "7.0"
    },
    {
      "name" : "visionos",
      "version" : "1.0"
    }
  ],
  "products" : [
    {
      "name" : "ViewState",
      "targets" : [
        "ViewState"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "ViewStateTests",
      "module_type" : "SwiftTarget",
      "name" : "ViewStateTests",
      "path" : "Tests/ViewStateTests",
      "sources" : [
        "Doubles/ViewStateSpy.swift",
        "ObservableTests.swift",
        "ViewModel.swift",
        "ViewStateTests.swift"
      ],
      "target_dependencies" : [
        "ViewState"
      ],
      "type" : "test"
    },
    {
      "c99name" : "ViewState",
      "module_type" : "SwiftTarget",
      "name" : "ViewState",
      "path" : "Sources/ViewState",
      "product_memberships" : [
        "ViewState"
      ],
      "sources" : [
        "Observable.swift",
        "ObserverProtocol.swift",
        "ViewState.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.9"
}
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4609320-1":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/finestructure/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 finestructure/spi-images
Digest: sha256:eb0758f51dbd6991fb9e51dedbfbcbec142ffc0d3b9b8ad91fa19d35e5136f0a
Status: Image is up to date for registry.gitlab.com/finestructure/spi-images:wasm-6.1-latest
Building for debugging...
[0/2] Write sources
[1/2] Write swift-version-24593BA9C3E375BF.txt
[3/6] 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
[4/6] Compiling ViewState ObserverProtocol.swift
[5/6] Compiling ViewState Observable.swift
error: emit-module command failed with exit code 1 (use -v to see invocation)
[6/6] 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 |
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/finestructure/spi-images:wasm-6.1-latest swift build --swift-sdk wasm32-unknown-wasi 2>&1
wasm-6.1-latest: Pulling from finestructure/spi-images
Digest: sha256:eb0758f51dbd6991fb9e51dedbfbcbec142ffc0d3b9b8ad91fa19d35e5136f0a
Status: Image is up to date for registry.gitlab.com/finestructure/spi-images:wasm-6.1-latest
[0/1] Planning build
Building for debugging...
[0/1] Write swift-version-24593BA9C3E375BF.txt
[2/5] 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
[3/5] Compiling ViewState ObserverProtocol.swift
error: emit-module command failed with exit code 1 (use -v to see invocation)
[4/5] 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 |
[5/5] Compiling ViewState Observable.swift
BUILD FAILURE 6.1 wasm