Swift Package IndexBuild Information
Failed to build sebbu-concurrency, reference main (d63b50), with Swift 6.2 for Wasm on 20 Feb 2026 19:00:14 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/finestructure/spi-images:wasm-6.2-latest swift build --swift-sdk wasm32-unknown-wasip1 2>&1Build Log
========================================
RunAll
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Builder version: 4.68.0
Interrupt handler set up.
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Checkout
========================================
Clone URL: https://github.com/MarSe32m/sebbu-concurrency.git
Reference: main
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/MarSe32m/sebbu-concurrency
* branch main -> FETCH_HEAD
* [new branch] main -> origin/main
HEAD is now at d63b505 Merge remote-tracking branch 'refs/remotes/origin/main'
Cloned https://github.com/MarSe32m/sebbu-concurrency.git
Revision (git rev-parse @):
d63b505378f8672b5c714fad3eccd526aa1bac14
SUCCESS checkout https://github.com/MarSe32m/sebbu-concurrency.git at main
========================================
Build
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Selected platform: wasm
Swift version: 6.2
Building package at path: $PWD
https://github.com/MarSe32m/sebbu-concurrency.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4606859-2":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/finestructure/spi-images:wasm-6.2-latest swift build --swift-sdk wasm32-unknown-wasip1 2>&1
wasm-6.2-latest: Pulling from finestructure/spi-images
Digest: sha256:c50555b47c4db0b0576f9f25702fbe2fdff28194c4a4f4c23a7dce4b3504c85e
Status: Image is up to date for registry.gitlab.com/finestructure/spi-images:wasm-6.2-latest
warning: multiple Swift SDKs match target triple `wasm32-unknown-wasip1` and host triple x86_64-unknown-linux-gnu, selected one at /root/.swiftpm/swift-sdks/swift-6.2-RELEASE_wasm.artifactbundle/swift-6.2-RELEASE_wasm/wasm32-unknown-wasip1/embedded-swift-sdk.json
Fetching https://github.com/MarSe32m/sebbu-ts-ds.git
[1/1038] Fetching sebbu-ts-ds
Fetched https://github.com/MarSe32m/sebbu-ts-ds.git from cache (0.78s)
Fetching https://github.com/apple/swift-collections.git
[1/19774] Fetching swift-collections
Fetched https://github.com/apple/swift-collections.git from cache (2.11s)
Creating working copy for https://github.com/MarSe32m/sebbu-ts-ds.git
Working copy of https://github.com/MarSe32m/sebbu-ts-ds.git resolved at main (915df95)
Creating working copy for https://github.com/apple/swift-collections.git
Working copy of https://github.com/apple/swift-collections.git resolved at main (3e505b9)
Building for debugging...
[0/18] Write sources
[7/18] Compiling src.c
[8/18] Write swift-version-24593BA9C3E375BF.txt
[10/20] Emitting module InternalCollectionsUtilities
[12/21] Compiling InternalCollectionsUtilities Debugging.swift
[12/21] Wrapping AST for InternalCollectionsUtilities for debugging
[14/25] Emitting module ContainersPreview
[16/26] Compiling ContainersPreview OutputSpan+Extras.swift
[16/26] Wrapping AST for ContainersPreview for debugging
[18/28] Compiling HeapModule Heap+Descriptions.swift
[19/28] Emitting module HeapModule
[20/29] Wrapping AST for HeapModule for debugging
[22/29] Emitting module DequeModule
[24/30] Compiling DequeModule Deque+Codable.swift
[24/30] Wrapping AST for DequeModule for debugging
error: emit-module command failed with exit code 1 (use -v to see invocation)
[26/32] Emitting module SebbuTSDS
/host/spi-builder-workspace/.build/checkouts/sebbu-ts-ds/Sources/SebbuTSDS/Utilities/Utilities.swift:18:8: error: Unsupported platform
16 | import WinSDK
17 | #else
18 | #error("Unsupported platform")
| `- error: Unsupported platform
19 | #endif
20 |
/host/spi-builder-workspace/.build/checkouts/sebbu-ts-ds/Sources/SebbuTSDS/Locked/Heaps/LockedPriorityQueue.swift:16:25: error: cannot find 'Mutex' in scope
14 |
15 | @usableFromInline
16 | internal let lock = Mutex(())
| `- error: cannot find 'Mutex' in scope
17 |
18 | /// A Boolean value indicating whether or not the priority queue is empty.
/host/spi-builder-workspace/.build/checkouts/sebbu-ts-ds/Sources/SebbuTSDS/Locked/Queues/LockedBoundedQueue.swift:11:25: error: cannot find 'Mutex' in scope
9 | public final class LockedBoundedQueue<Element: ~Copyable>: @unchecked Sendable {
10 | @usableFromInline
11 | internal let lock = Mutex(())
| `- error: cannot find 'Mutex' in scope
12 |
13 | @usableFromInline
/host/spi-builder-workspace/.build/checkouts/sebbu-ts-ds/Sources/SebbuTSDS/Locked/Queues/LockedDeque.swift:16:25: error: cannot find 'Mutex' in scope
14 |
15 | @usableFromInline
16 | internal let lock = Mutex(())
| `- error: cannot find 'Mutex' in scope
17 |
18 | public var isEmpty: Bool {
/host/spi-builder-workspace/.build/checkouts/sebbu-ts-ds/Sources/SebbuTSDS/Locked/Queues/LockedQueue.swift:14:25: error: cannot find 'Mutex' in scope
12 | public final class LockedQueue<Element: ~Copyable>: @unchecked Sendable {
13 | @usableFromInline
14 | internal let lock = Mutex(())
| `- error: cannot find 'Mutex' in scope
15 |
16 | @usableFromInline
/host/spi-builder-workspace/.build/checkouts/sebbu-ts-ds/Sources/SebbuTSDS/Locked/Stacks/LockedBoundedStack.swift:13:25: error: cannot find 'Mutex' in scope
11 | public final class LockedBoundedStack<Element: ~Copyable>: @unchecked Sendable {
12 | @usableFromInline
13 | internal let lock = Mutex(())
| `- error: cannot find 'Mutex' in scope
14 |
15 | @usableFromInline
/host/spi-builder-workspace/.build/checkouts/sebbu-ts-ds/Sources/SebbuTSDS/Locked/Stacks/LockedStack.swift:13:25: error: cannot find 'Mutex' in scope
11 | public final class LockedStack<Element: ~Copyable>: @unchecked Sendable {
12 | @usableFromInline
13 | internal let lock = Mutex(())
| `- error: cannot find 'Mutex' in scope
14 |
15 | @usableFromInline
/host/spi-builder-workspace/.build/checkouts/sebbu-ts-ds/Sources/SebbuTSDS/Utilities/Lock.swift:13:25: error: cannot find type 'Mutex' in scope
11 | public final class Lock: Sendable {
12 | @usableFromInline
13 | internal let _lock: Mutex<Void> = Mutex(())
| `- error: cannot find type 'Mutex' in scope
14 |
15 | /// Create a new lock.
[27/32] Compiling SebbuTSDS MPMCBoundedQueue.swift
/host/spi-builder-workspace/.build/checkouts/sebbu-ts-ds/Sources/SebbuTSDS/Utilities/Utilities.swift:18:8: error: Unsupported platform
16 | import WinSDK
17 | #else
18 | #error("Unsupported platform")
| `- error: Unsupported platform
19 | #endif
20 |
/host/spi-builder-workspace/.build/checkouts/sebbu-ts-ds/Sources/SebbuTSDS/Locked/Heaps/LockedPriorityQueue.swift:16:25: error: cannot find 'Mutex' in scope
14 |
15 | @usableFromInline
16 | internal let lock = Mutex(())
| `- error: cannot find 'Mutex' in scope
17 |
18 | /// A Boolean value indicating whether or not the priority queue is empty.
/host/spi-builder-workspace/.build/checkouts/sebbu-ts-ds/Sources/SebbuTSDS/Locked/Queues/LockedBoundedQueue.swift:11:25: error: cannot find 'Mutex' in scope
9 | public final class LockedBoundedQueue<Element: ~Copyable>: @unchecked Sendable {
10 | @usableFromInline
11 | internal let lock = Mutex(())
| `- error: cannot find 'Mutex' in scope
12 |
13 | @usableFromInline
/host/spi-builder-workspace/.build/checkouts/sebbu-ts-ds/Sources/SebbuTSDS/Locked/Queues/LockedDeque.swift:16:25: error: cannot find 'Mutex' in scope
14 |
15 | @usableFromInline
16 | internal let lock = Mutex(())
| `- error: cannot find 'Mutex' in scope
17 |
18 | public var isEmpty: Bool {
/host/spi-builder-workspace/.build/checkouts/sebbu-ts-ds/Sources/SebbuTSDS/Locked/Queues/LockedQueue.swift:14:25: error: cannot find 'Mutex' in scope
12 | public final class LockedQueue<Element: ~Copyable>: @unchecked Sendable {
13 | @usableFromInline
14 | internal let lock = Mutex(())
| `- error: cannot find 'Mutex' in scope
15 |
16 | @usableFromInline
/host/spi-builder-workspace/.build/checkouts/sebbu-ts-ds/Sources/SebbuTSDS/Locked/Stacks/LockedBoundedStack.swift:13:25: error: cannot find 'Mutex' in scope
11 | public final class LockedBoundedStack<Element: ~Copyable>: @unchecked Sendable {
12 | @usableFromInline
13 | internal let lock = Mutex(())
| `- error: cannot find 'Mutex' in scope
14 |
15 | @usableFromInline
/host/spi-builder-workspace/.build/checkouts/sebbu-ts-ds/Sources/SebbuTSDS/Locked/Stacks/LockedStack.swift:13:25: error: cannot find 'Mutex' in scope
11 | public final class LockedStack<Element: ~Copyable>: @unchecked Sendable {
12 | @usableFromInline
13 | internal let lock = Mutex(())
| `- error: cannot find 'Mutex' in scope
14 |
15 | @usableFromInline
/host/spi-builder-workspace/.build/checkouts/sebbu-ts-ds/Sources/SebbuTSDS/Utilities/Lock.swift:13:25: error: cannot find type 'Mutex' in scope
11 | public final class Lock: Sendable {
12 | @usableFromInline
13 | internal let _lock: Mutex<Void> = Mutex(())
| `- error: cannot find type 'Mutex' in scope
14 |
15 | /// Create a new lock.
BUILD FAILURE 6.2 wasm