Swift Package IndexBuild Information
Failed to build Stream, reference master (36eb90), with Swift 6.3 for Wasm on 10 Apr 2026 07:30:25 UTC.
Build Command
bash -c docker run --pull=always --rm -v "checkouts-4606859-3":/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
========================================
Clone URL: https://github.com/cgarciae/stream.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/cgarciae/stream
* branch master -> FETCH_HEAD
* [new branch] master -> origin/master
HEAD is now at 36eb909 slightly update readme
Cloned https://github.com/cgarciae/stream.git
Revision (git rev-parse @):
36eb90967408dcb96a5283cc00b78e62f04a1b11
SUCCESS checkout https://github.com/cgarciae/stream.git at master
========================================
Build
========================================
Selected platform: wasm
Swift version: 6.3
Building package at path: $PWD
https://github.com/cgarciae/stream.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4606859-3":/host -w "$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
[3/9] Compiling Stream Queue.swift
[4/9] Compiling Stream Utils.swift
/host/spi-builder-workspace/Sources/Stream/Utils.swift:3:23: error: cannot find 'DispatchQueue' in scope
1 | import Foundation
2 |
3 | public let DISPATCH = DispatchQueue(label: "Stream", attributes: .concurrent)
| `- error: cannot find 'DispatchQueue' in scope
4 | public let CPU_COUNT = ProcessInfo.processInfo.activeProcessorCount
/host/spi-builder-workspace/Sources/Stream/Utils.swift:3:67: error: cannot infer contextual base in reference to member 'concurrent'
1 | import Foundation
2 |
3 | public let DISPATCH = DispatchQueue(label: "Stream", attributes: .concurrent)
| `- error: cannot infer contextual base in reference to member 'concurrent'
4 | public let CPU_COUNT = ProcessInfo.processInfo.activeProcessorCount
[5/9] Compiling Stream Lock.swift
/host/spi-builder-workspace/Sources/Stream/Lock.swift:4:29: error: cannot find 'DispatchSemaphore' in scope
2 |
3 | public struct Lock {
4 | private var semaphore = DispatchSemaphore(value: 1)
| `- error: cannot find 'DispatchSemaphore' in scope
5 |
6 | public func aquire(_ block: () throws -> Void) rethrows {
[6/9] Compiling Stream ConcurrentQueue.swift
/host/spi-builder-workspace/Sources/Stream/Lock.swift:4:29: error: cannot find 'DispatchSemaphore' in scope
2 |
3 | public struct Lock {
4 | private var semaphore = DispatchSemaphore(value: 1)
| `- error: cannot find 'DispatchSemaphore' in scope
5 |
6 | public func aquire(_ block: () throws -> Void) rethrows {
[7/9] Compiling Stream OrderedStream.swift
/host/spi-builder-workspace/Sources/Stream/OrderedStream.swift:103:19: error: cannot find type 'DispatchQueue' in scope
101 | maxTasks: Int = CPU_COUNT,
102 | queueMax: Int? = nil,
103 | dispatch: DispatchQueue? = nil,
| `- error: cannot find type 'DispatchQueue' in scope
104 | f: @escaping (ConcurrentQueue<Index<B>?>, Int, Element) throws -> Void
105 | ) -> OrderedStream<B> {
/host/spi-builder-workspace/Sources/Stream/OrderedStream.swift:165:19: error: cannot find type 'DispatchQueue' in scope
163 | maxTasks: Int = CPU_COUNT,
164 | queueMax: Int? = nil,
165 | dispatch: DispatchQueue? = nil,
| `- error: cannot find type 'DispatchQueue' in scope
166 | f: @escaping (Element) throws -> B
167 | ) -> OrderedStream<B> {
/host/spi-builder-workspace/Sources/Stream/OrderedStream.swift:184:19: error: cannot find type 'DispatchQueue' in scope
182 | maxTasks: Int = CPU_COUNT,
183 | queueMax: Int? = nil,
184 | dispatch: DispatchQueue? = nil,
| `- error: cannot find type 'DispatchQueue' in scope
185 | f: @escaping (Element) throws -> S
186 | ) -> OrderedStream<B> where S.Element == B {
/host/spi-builder-workspace/Sources/Stream/OrderedStream.swift:210:19: error: cannot find type 'DispatchQueue' in scope
208 | maxTasks: Int = CPU_COUNT,
209 | queueMax: Int? = nil,
210 | dispatch: DispatchQueue? = nil,
| `- error: cannot find type 'DispatchQueue' in scope
211 | f: @escaping (Element) throws -> Bool
212 | ) -> OrderedStream<Element> {
/host/spi-builder-workspace/Sources/Stream/OrderedStream.swift:234:19: error: cannot find type 'DispatchQueue' in scope
232 | maxTasks: Int = CPU_COUNT,
233 | queueMax: Int? = nil,
234 | dispatch: DispatchQueue? = nil,
| `- error: cannot find type 'DispatchQueue' in scope
235 | f: @escaping (Element) throws -> Void
236 | ) {
/host/spi-builder-workspace/Sources/Stream/OrderedStream.swift:118:37: error: cannot find 'DispatchSemaphore' in scope
116 | let dispatch = dispatch ?? DISPATCH
117 | // let dispatch = dispatch ?? DispatchQueue(label: UUID().uuidString, attributes: .concurrent)
118 | let semaphore = DispatchSemaphore(value: maxTasks)
| `- error: cannot find 'DispatchSemaphore' in scope
119 |
120 | dispatch.async {
/host/spi-builder-workspace/Sources/Stream/OrderedStream.swift:121:37: error: cannot find 'DispatchGroup' in scope
119 |
120 | dispatch.async {
121 | let group = DispatchGroup()
| `- error: cannot find 'DispatchGroup' in scope
122 |
123 | for (i, elem) in self.enumerated() {
/host/spi-builder-workspace/Sources/Stream/Utils.swift:3:23: error: cannot find 'DispatchQueue' in scope
1 | import Foundation
2 |
3 | public let DISPATCH = DispatchQueue(label: "Stream", attributes: .concurrent)
| `- error: cannot find 'DispatchQueue' in scope
4 | public let CPU_COUNT = ProcessInfo.processInfo.activeProcessorCount
/host/spi-builder-workspace/Sources/Stream/Utils.swift:3:67: error: cannot infer contextual base in reference to member 'concurrent'
1 | import Foundation
2 |
3 | public let DISPATCH = DispatchQueue(label: "Stream", attributes: .concurrent)
| `- error: cannot infer contextual base in reference to member 'concurrent'
4 | public let CPU_COUNT = ProcessInfo.processInfo.activeProcessorCount
[8/9] Compiling Stream Stream.swift
/host/spi-builder-workspace/Sources/Stream/Stream.swift:33:19: error: cannot find type 'DispatchQueue' in scope
31 | maxTasks: Int = CPU_COUNT,
32 | queueMax: Int? = nil,
33 | dispatch: DispatchQueue? = nil,
| `- error: cannot find type 'DispatchQueue' in scope
34 | f: @escaping (ConcurrentQueue<B?>, Element) throws -> Void
35 | ) -> Stream<B> {
/host/spi-builder-workspace/Sources/Stream/Stream.swift:77:19: error: cannot find type 'DispatchQueue' in scope
75 | maxTasks: Int = CPU_COUNT,
76 | queueMax: Int? = nil,
77 | dispatch: DispatchQueue? = nil,
| `- error: cannot find type 'DispatchQueue' in scope
78 | f: @escaping (Element) throws -> B
79 | ) -> Stream<B> {
/host/spi-builder-workspace/Sources/Stream/Stream.swift:92:19: error: cannot find type 'DispatchQueue' in scope
90 | maxTasks: Int = CPU_COUNT,
91 | queueMax: Int? = nil,
92 | dispatch: DispatchQueue? = nil,
| `- error: cannot find type 'DispatchQueue' in scope
93 | f: @escaping (Element) throws -> S
94 | ) -> Stream<B> where S.Element == B {
/host/spi-builder-workspace/Sources/Stream/Stream.swift:109:19: error: cannot find type 'DispatchQueue' in scope
107 | maxTasks: Int = CPU_COUNT,
108 | queueMax: Int? = nil,
109 | dispatch: DispatchQueue? = nil,
| `- error: cannot find type 'DispatchQueue' in scope
110 | f: @escaping (Element) throws -> Bool
111 | ) -> Stream<Element> {
/host/spi-builder-workspace/Sources/Stream/Stream.swift:122:19: error: cannot find type 'DispatchQueue' in scope
120 | maxTasks: Int = CPU_COUNT,
121 | queueMax: Int? = nil,
122 | dispatch: DispatchQueue? = nil,
| `- error: cannot find type 'DispatchQueue' in scope
123 | f: @escaping (Element) throws -> Void
124 | ) {
/host/spi-builder-workspace/Sources/Stream/Stream.swift:46:37: error: cannot find 'DispatchSemaphore' in scope
44 | let dispatch = dispatch ?? DISPATCH
45 | // let dispatch = dispatch ?? DispatchQueue(label: UUID().uuidString, attributes: .concurrent)
46 | let semaphore = DispatchSemaphore(value: maxTasks)
| `- error: cannot find 'DispatchSemaphore' in scope
47 |
48 | dispatch.async {
/host/spi-builder-workspace/Sources/Stream/Stream.swift:49:37: error: cannot find 'DispatchGroup' in scope
47 |
48 | dispatch.async {
49 | let group = DispatchGroup()
| `- error: cannot find 'DispatchGroup' in scope
50 |
51 | for elem in self {
/host/spi-builder-workspace/Sources/Stream/Utils.swift:3:23: error: cannot find 'DispatchQueue' in scope
1 | import Foundation
2 |
3 | public let DISPATCH = DispatchQueue(label: "Stream", attributes: .concurrent)
| `- error: cannot find 'DispatchQueue' in scope
4 | public let CPU_COUNT = ProcessInfo.processInfo.activeProcessorCount
/host/spi-builder-workspace/Sources/Stream/Utils.swift:3:67: error: cannot infer contextual base in reference to member 'concurrent'
1 | import Foundation
2 |
3 | public let DISPATCH = DispatchQueue(label: "Stream", attributes: .concurrent)
| `- error: cannot infer contextual base in reference to member 'concurrent'
4 | public let CPU_COUNT = ProcessInfo.processInfo.activeProcessorCount
error: emit-module command failed with exit code 1 (use -v to see invocation)
[9/9] Emitting module Stream
/host/spi-builder-workspace/Sources/Stream/Lock.swift:4:29: error: cannot find 'DispatchSemaphore' in scope
2 |
3 | public struct Lock {
4 | private var semaphore = DispatchSemaphore(value: 1)
| `- error: cannot find 'DispatchSemaphore' in scope
5 |
6 | public func aquire(_ block: () throws -> Void) rethrows {
/host/spi-builder-workspace/Sources/Stream/OrderedStream.swift:103:19: error: cannot find type 'DispatchQueue' in scope
101 | maxTasks: Int = CPU_COUNT,
102 | queueMax: Int? = nil,
103 | dispatch: DispatchQueue? = nil,
| `- error: cannot find type 'DispatchQueue' in scope
104 | f: @escaping (ConcurrentQueue<Index<B>?>, Int, Element) throws -> Void
105 | ) -> OrderedStream<B> {
/host/spi-builder-workspace/Sources/Stream/OrderedStream.swift:165:19: error: cannot find type 'DispatchQueue' in scope
163 | maxTasks: Int = CPU_COUNT,
164 | queueMax: Int? = nil,
165 | dispatch: DispatchQueue? = nil,
| `- error: cannot find type 'DispatchQueue' in scope
166 | f: @escaping (Element) throws -> B
167 | ) -> OrderedStream<B> {
/host/spi-builder-workspace/Sources/Stream/OrderedStream.swift:184:19: error: cannot find type 'DispatchQueue' in scope
182 | maxTasks: Int = CPU_COUNT,
183 | queueMax: Int? = nil,
184 | dispatch: DispatchQueue? = nil,
| `- error: cannot find type 'DispatchQueue' in scope
185 | f: @escaping (Element) throws -> S
186 | ) -> OrderedStream<B> where S.Element == B {
/host/spi-builder-workspace/Sources/Stream/OrderedStream.swift:210:19: error: cannot find type 'DispatchQueue' in scope
208 | maxTasks: Int = CPU_COUNT,
209 | queueMax: Int? = nil,
210 | dispatch: DispatchQueue? = nil,
| `- error: cannot find type 'DispatchQueue' in scope
211 | f: @escaping (Element) throws -> Bool
212 | ) -> OrderedStream<Element> {
/host/spi-builder-workspace/Sources/Stream/OrderedStream.swift:234:19: error: cannot find type 'DispatchQueue' in scope
232 | maxTasks: Int = CPU_COUNT,
233 | queueMax: Int? = nil,
234 | dispatch: DispatchQueue? = nil,
| `- error: cannot find type 'DispatchQueue' in scope
235 | f: @escaping (Element) throws -> Void
236 | ) {
/host/spi-builder-workspace/Sources/Stream/Stream.swift:33:19: error: cannot find type 'DispatchQueue' in scope
31 | maxTasks: Int = CPU_COUNT,
32 | queueMax: Int? = nil,
33 | dispatch: DispatchQueue? = nil,
| `- error: cannot find type 'DispatchQueue' in scope
34 | f: @escaping (ConcurrentQueue<B?>, Element) throws -> Void
35 | ) -> Stream<B> {
/host/spi-builder-workspace/Sources/Stream/Stream.swift:77:19: error: cannot find type 'DispatchQueue' in scope
75 | maxTasks: Int = CPU_COUNT,
76 | queueMax: Int? = nil,
77 | dispatch: DispatchQueue? = nil,
| `- error: cannot find type 'DispatchQueue' in scope
78 | f: @escaping (Element) throws -> B
79 | ) -> Stream<B> {
/host/spi-builder-workspace/Sources/Stream/Stream.swift:92:19: error: cannot find type 'DispatchQueue' in scope
90 | maxTasks: Int = CPU_COUNT,
91 | queueMax: Int? = nil,
92 | dispatch: DispatchQueue? = nil,
| `- error: cannot find type 'DispatchQueue' in scope
93 | f: @escaping (Element) throws -> S
94 | ) -> Stream<B> where S.Element == B {
/host/spi-builder-workspace/Sources/Stream/Stream.swift:109:19: error: cannot find type 'DispatchQueue' in scope
107 | maxTasks: Int = CPU_COUNT,
108 | queueMax: Int? = nil,
109 | dispatch: DispatchQueue? = nil,
| `- error: cannot find type 'DispatchQueue' in scope
110 | f: @escaping (Element) throws -> Bool
111 | ) -> Stream<Element> {
/host/spi-builder-workspace/Sources/Stream/Stream.swift:122:19: error: cannot find type 'DispatchQueue' in scope
120 | maxTasks: Int = CPU_COUNT,
121 | queueMax: Int? = nil,
122 | dispatch: DispatchQueue? = nil,
| `- error: cannot find type 'DispatchQueue' in scope
123 | f: @escaping (Element) throws -> Void
124 | ) {
/host/spi-builder-workspace/Sources/Stream/Utils.swift:3:23: error: cannot find 'DispatchQueue' in scope
1 | import Foundation
2 |
3 | public let DISPATCH = DispatchQueue(label: "Stream", attributes: .concurrent)
| `- error: cannot find 'DispatchQueue' in scope
4 | public let CPU_COUNT = ProcessInfo.processInfo.activeProcessorCount
/host/spi-builder-workspace/Sources/Stream/Utils.swift:3:67: error: cannot infer contextual base in reference to member 'concurrent'
1 | import Foundation
2 |
3 | public let DISPATCH = DispatchQueue(label: "Stream", attributes: .concurrent)
| `- error: cannot infer contextual base in reference to member 'concurrent'
4 | public let CPU_COUNT = ProcessInfo.processInfo.activeProcessorCount
BUILD FAILURE 6.3 wasm