Swift Package Index

Build Information

Failed to build Entwine, reference master (72a739), with Swift 6.4 for Wasm on 17 Sep 2026 00:34:16 UTC.

Build Command

bash -c docker run --pull=always --rm -v "checkouts-53886770-1":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/saguaro1/spi-images:wasm-6.4-latest swift build --swift-sdk swift-6.4.x-DEVELOPMENT-SNAPSHOT-2026-09-04-a_wasm 2>&1

Build Log

========================================
RunAll
========================================
Builder version: 5.1.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/tcldr/Entwine.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/tcldr/Entwine
 * branch            master     -> FETCH_HEAD
 * [new branch]      master     -> origin/master
HEAD is now at 72a7395 relax deployment target
Cloned https://github.com/tcldr/Entwine.git
Revision (git rev-parse @):
72a73955f03b5888199aeccc58067dc365381244
SUCCESS checkout https://github.com/tcldr/Entwine.git at master
========================================
Build
========================================
Selected platform:         wasm
Swift version:             6.4
Building package at path:  $PWD
https://github.com/tcldr/Entwine.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-53886770-1":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/saguaro1/spi-images:wasm-6.4-latest swift build --swift-sdk swift-6.4.x-DEVELOPMENT-SNAPSHOT-2026-09-04-a_wasm 2>&1
wasm-6.4-latest: Pulling from saguaro1/spi-images
Digest: sha256:4328fdb43c680d205c1d6761b1e3267aa38277eefdda9ddfb17b6a0f1a77857a
Status: Image is up to date for registry.gitlab.com/saguaro1/spi-images:wasm-6.4-latest
Building for debugging...
[Constructing description]
[Planning deferred tasks]
[24 / 40] Entwine
/host/spi-builder-workspace/Sources/Entwine/Common/DataStructures/LinkedListQueue.swift:36:12: warning: extraneous whitespace between attribute name and '('; this is an error in the Swift 6 language mode
 34 |     private var regular = Subnode.empty
 35 |     private var inverse = Subnode.empty
 36 |     private (set) var count = 0
    |            `- warning: extraneous whitespace between attribute name and '('; this is an error in the Swift 6 language mode
 37 |
 38 |     /// O(n) where n is the length of the sequence
/host/spi-builder-workspace/Sources/Entwine/Common/DataStructures/LinkedListStack.swift:32:12: warning: extraneous whitespace between attribute name and '('; this is an error in the Swift 6 language mode
 30 |     typealias Node = LinkedList<Element>
 31 |
 32 |     private (set) var node = Node.empty
    |            `- warning: extraneous whitespace between attribute name and '('; this is an error in the Swift 6 language mode
 33 |
 34 |     init<C: Collection>(_ elements: C) where C.Element == Element {
[33 / 49] Entwine
[43 / 59] EntwineTest
error: SwiftCompile normal wasm32 /host/spi-builder-workspace/Sources/EntwineTest/TestScheduler/VirtualTime.swift failed with a nonzero exit code. Command line:     cd /host
    builtin-SwiftPerFileCompile VirtualTime.swift
/host/spi-builder-workspace/Sources/EntwineTest/TestScheduler/VirtualTime.swift:80:31: error: cannot find type 'VirtualTimeInterval' in scope
 78 | extension VirtualTime: Strideable {
 79 |
 80 |     public typealias Stride = VirtualTimeInterval
    |                               `- error: cannot find type 'VirtualTimeInterval' in scope
 81 |
 82 |     public func distance(to other: VirtualTime) -> VirtualTimeInterval {
/host/spi-builder-workspace/Sources/EntwineTest/TestScheduler/VirtualTime.swift:82:52: error: cannot find type 'VirtualTimeInterval' in scope
 80 |     public typealias Stride = VirtualTimeInterval
 81 |
 82 |     public func distance(to other: VirtualTime) -> VirtualTimeInterval {
    |                                                    `- error: cannot find type 'VirtualTimeInterval' in scope
 83 |         .init(other._time - _time)
 84 |     }
/host/spi-builder-workspace/Sources/EntwineTest/TestScheduler/VirtualTime.swift:86:32: error: cannot find type 'VirtualTimeInterval' in scope
 84 |     }
 85 |
 86 |     public func advanced(by n: VirtualTimeInterval) -> VirtualTime {
    |                                `- error: cannot find type 'VirtualTimeInterval' in scope
 87 |         .init(_time + n._duration)
 88 |     }
/host/spi-builder-workspace/Sources/EntwineTest/TestScheduler/VirtualTime.swift:78:1: error: type 'VirtualTime' does not conform to protocol 'Strideable'
 76 | // MARK: - Strideable conformance
 77 |
 78 | extension VirtualTime: Strideable {
    | |- error: type 'VirtualTime' does not conform to protocol 'Strideable'
    | `- note: add stubs for conformance
 79 |
 80 |     public typealias Stride = VirtualTimeInterval
Swift.Strideable.Stride:2:16: note: protocol requires nested type 'Stride'
1 | protocol Strideable {
2 | associatedtype Stride : Comparable, SignedNumeric}
  |                `- note: protocol requires nested type 'Stride'
3 |
Failed frontend command:
/usr/bin/swift-frontend -frontend -c /host/spi-builder-workspace/Sources/EntwineTest/Common/DataStructures/LinkedListQueue.swift /host/spi-builder-workspace/Sources/EntwineTest/Common/DataStructures/LinkedListStack.swift /host/spi-builder-workspace/Sources/EntwineTest/Common/DataStructures/PriorityQueue.swift /host/spi-builder-workspace/Sources/EntwineTest/Common/Utilities/SinkQueue.swift /host/spi-builder-workspace/Sources/EntwineTest/Deprecations.swift /host/spi-builder-workspace/Sources/EntwineTest/Signal+CustomDebugStringConvertible.swift /host/spi-builder-workspace/Sources/EntwineTest/TestEvent.swift /host/spi-builder-workspace/Sources/EntwineTest/TestScheduler/TestScheduler.swift -primary-file /host/spi-builder-workspace/Sources/EntwineTest/TestScheduler/VirtualTime.swift -primary-file /host/spi-builder-workspace/Sources/EntwineTest/TestScheduler/VirtualTimeInterval.swift /host/spi-builder-workspace/Sources/EntwineTest/TestSequence.swift /host/spi-builder-workspace/Sources/EntwineTest/TestablePublisher/TestablePublisher.swift /host/spi-builder-workspace/Sources/EntwineTest/TestableSubscriber/DemandLedger.swift /host/spi-builder-workspace/Sources/EntwineTest/TestableSubscriber/TestableSubscriber.swift -emit-dependencies-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/Entwine.build/Debug-webassembly-wasm32/EntwineTest-t.build/Objects-normal/wasm32/VirtualTime.d -emit-const-values-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/Entwine.build/Debug-webassembly-wasm32/EntwineTest-t.build/Objects-normal/wasm32/VirtualTime.swiftconstvalues -emit-reference-dependencies-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/Entwine.build/Debug-webassembly-wasm32/EntwineTest-t.build/Objects-normal/wasm32/VirtualTime.swiftdeps -serialize-diagnostics-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/Entwine.build/Debug-webassembly-wasm32/EntwineTest-t.build/Objects-normal/wasm32/VirtualTime.dia -emit-dependencies-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/Entwine.build/Debug-webassembly-wasm32/EntwineTest-t.build/Objects-normal/wasm32/VirtualTimeInterval.d -emit-const-values-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/Entwine.build/Debug-webassembly-wasm32/EntwineTest-t.build/Objects-normal/wasm32/VirtualTimeInterval.swiftconstvalues -emit-reference-dependencies-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/Entwine.build/Debug-webassembly-wasm32/EntwineTest-t.build/Objects-normal/wasm32/VirtualTimeInterval.swiftdeps -serialize-diagnostics-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/Entwine.build/Debug-webassembly-wasm32/EntwineTest-t.build/Objects-normal/wasm32/VirtualTimeInterval.dia -target wasm32-unknown-wasip1 -disable-objc-interop -sdk /root/.swiftpm/swift-sdks/swift-6.4.x-DEVELOPMENT-SNAPSHOT-2026-09-04-a_wasm.artifactbundle/swift-6.4.x-DEVELOPMENT-SNAPSHOT-2026-09-04-a_wasm/wasm32-unknown-wasip1/WASI.sdk -sysroot /root/.swiftpm/swift-sdks/swift-6.4.x-DEVELOPMENT-SNAPSHOT-2026-09-04-a_wasm.artifactbundle/swift-6.4.x-DEVELOPMENT-SNAPSHOT-2026-09-04-a_wasm/wasm32-unknown-wasip1/WASI.sdk -I /host/spi-builder-workspace/.build/out/Products/Debug-webassembly-wasm32 -module-cache-path /host/spi-builder-workspace/.build/out/ModuleCache.noindex -color-diagnostics -Xcc -fcolor-diagnostics -enable-testing -g -debug-info-format\=dwarf -dwarf-version\=4 -swift-version 5 -Onone -D SWIFT_PACKAGE -D DEBUG -D SWIFT_MODULE_RESOURCE_BUNDLE_UNAVAILABLE -D Xcode -serialize-debugging-options -enable-experimental-feature DebugDescriptionMacro -empty-abi-descriptor -external-plugin-path /usr/lib/swift/host/plugins/testing\#/usr/bin/swift-plugin-server -validate-clang-modules-once -clang-build-session-file /host/spi-builder-workspace/.build/out/ModuleCache.noindex/Session.modulevalidation -Xcc -working-directory -Xcc /host -resource-dir /root/.swiftpm/swift-sdks/swift-6.4.x-DEVELOPMENT-SNAPSHOT-2026-09-04-a_wasm.artifactbundle/swift-6.4.x-DEVELOPMENT-SNAPSHOT-2026-09-04-a_wasm/wasm32-unknown-wasip1/swift.xctoolchain/usr/lib/swift_static -use-static-resource-dir -enable-anonymous-context-mangled-names -file-compilation-dir /host -Xcc -resource-dir -Xcc /root/.swiftpm/swift-sdks/swift-6.4.x-DEVELOPMENT-SNAPSHOT-2026-09-04-a_wasm.artifactbundle/swift-6.4.x-DEVELOPMENT-SNAPSHOT-2026-09-04-a_wasm/wasm32-unknown-wasip1/swift.xctoolchain/usr/lib/swift_static/clang -Xcc -D_LIBCPP_HARDENING_MODE\=_LIBCPP_HARDENING_MODE_DEBUG -Xcc -fmodules-prune-interval\=86400 -Xcc -fmodules-prune-after\=345600 -Xcc -I/host/spi-builder-workspace/.build/out/Products/Debug-webassembly-wasm32/include -Xcc -I/host/spi-builder-workspace/.build/out/Intermediates.noindex/Entwine.build/Debug-webassembly-wasm32/EntwineTest-t.build/DerivedSources-normal/wasm32 -Xcc -I/host/spi-builder-workspace/.build/out/Intermediates.noindex/Entwine.build/Debug-webassembly-wasm32/EntwineTest-t.build/DerivedSources/wasm32 -Xcc -I/host/spi-builder-workspace/.build/out/Intermediates.noindex/Entwine.build/Debug-webassembly-wasm32/EntwineTest-t.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG\=1 -no-auto-bridging-header-chaining -module-name EntwineTest -const-gather-protocols-file /host/spi-builder-workspace/.build/out/Intermediates.noindex/Entwine.build/Debug-webassembly-wasm32/EntwineTest-t.build/Objects-normal/wasm32/EntwineTest_const_extract_protocols.json -in-process-plugin-server-path /usr/lib/swift/host/libSwiftInProcPluginServer.so -plugin-path /usr/lib/swift/host/plugins -plugin-path /usr/local/lib/swift/host/plugins -parse-as-library -o /host/spi-builder-workspace/.build/out/Intermediates.noindex/Entwine.build/Debug-webassembly-wasm32/EntwineTest-t.build/Objects-normal/wasm32/VirtualTime.o -o /host/spi-builder-workspace/.build/out/Intermediates.noindex/Entwine.build/Debug-webassembly-wasm32/EntwineTest-t.build/Objects-normal/wasm32/VirtualTimeInterval.o -index-unit-output-path /Entwine.build/Debug-webassembly-wasm32/EntwineTest-t.build/Objects-normal/wasm32/VirtualTime.o -index-unit-output-path /Entwine.build/Debug-webassembly-wasm32/EntwineTest-t.build/Objects-normal/wasm32/VirtualTimeInterval.o -index-store-path /host/spi-builder-workspace/.build/out -index-system-modules
error: Build failed
BUILD FAILURE 6.4 wasm