Swift Package Index

Build Information

Failed to build CLI, reference master (30b84c), with Swift 6.4 for Wasm on 17 Sep 2026 03:46:56 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/Ponyboy47/CLI.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/Ponyboy47/CLI
 * branch            master     -> FETCH_HEAD
 * [new branch]      master     -> origin/master
HEAD is now at 30b84cd Updated README for MultiOption
Cloned https://github.com/Ponyboy47/CLI.git
Revision (git rev-parse @):
30b84cd3b751789e8a53f1ca428731ae6ec4e011
SUCCESS checkout https://github.com/Ponyboy47/CLI.git at master
========================================
Build
========================================
Selected platform:         wasm
Swift version:             6.4
Building package at path:  $PWD
https://github.com/Ponyboy47/CLI.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-53886770-1":/host -w "$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
Fetching https://github.com/Ponyboy47/Strings.git
[1/104] Fetching strings
Fetched https://github.com/Ponyboy47/Strings.git (0.80s)
Computing version for https://github.com/Ponyboy47/Strings.git
Computed https://github.com/Ponyboy47/Strings.git at 2.2.1 (0.99s)
Creating working copy for https://github.com/Ponyboy47/Strings.git
Working copy of https://github.com/Ponyboy47/Strings.git resolved at 2.2.1
Building for debugging...
[Pre-planning 1 / 96]
[22 / 38] Strings
[28 / 43] Strings
/host/spi-builder-workspace/Sources/CLI/MultiOption.swift:73:5: warning: 'public' modifier is redundant for instance method declared in a public extension
71 |
72 | public extension MultiOption where A: Equatable {
73 |     public func index(of element: A) -> Int? {
   |     `- warning: 'public' modifier is redundant for instance method declared in a public extension
74 |         return values.index(of: element)
75 |     }
[39 / 51] CLI
[46 / 51] CLI
error: SwiftCompile normal wasm32 /host/spi-builder-workspace/Sources/CLI/MultiOption.swift failed with a nonzero exit code. Command line:     cd /host
    builtin-SwiftPerFileCompile MultiOption.swift
/host/spi-builder-workspace/Sources/CLI/MultiOption.swift:73:5: warning: 'public' modifier is redundant for instance method declared in a public extension
71 |
72 | public extension MultiOption where A: Equatable {
73 |     public func index(of element: A) -> Int? {
   |     `- warning: 'public' modifier is redundant for instance method declared in a public extension
74 |         return values.index(of: element)
75 |     }
/host/spi-builder-workspace/Sources/CLI/MultiOption.swift:52:16: error: 'subscript(_:)' is unavailable
50 |
51 |     public subscript(bounds: Range<Int>) -> Slice<[A]> {
52 |         return values[bounds]
   |                `- error: 'subscript(_:)' is unavailable
53 |     }
54 |
Swift.MutableCollection.subscript:3:21: note: 'subscript(_:)' has been explicitly marked unavailable here
1 | protocol MutableCollection {
2 | @available(*, unavailable)
3 |   @inlinable public subscript(bounds: Range<Self.Index>) -> Slice<Self> { get set }}
  |                     `- note: 'subscript(_:)' has been explicitly marked unavailable here
4 |
Failed frontend command:
/usr/bin/swift-frontend -frontend -c /host/spi-builder-workspace/Sources/CLI/ArgumentErrors.swift /host/spi-builder-workspace/Sources/CLI/ArgumentParser.swift /host/spi-builder-workspace/Sources/CLI/ArgumentProtocols.swift /host/spi-builder-workspace/Sources/CLI/ArgumentTypes.swift -primary-file /host/spi-builder-workspace/Sources/CLI/MultiOption.swift /host/spi-builder-workspace/Sources/CLI/Option+Flag.swift -emit-dependencies-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/CLI.build/Debug-webassembly-wasm32/CLI-t.build/Objects-normal/wasm32/MultiOption.d -emit-const-values-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/CLI.build/Debug-webassembly-wasm32/CLI-t.build/Objects-normal/wasm32/MultiOption.swiftconstvalues -emit-reference-dependencies-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/CLI.build/Debug-webassembly-wasm32/CLI-t.build/Objects-normal/wasm32/MultiOption.swiftdeps -serialize-diagnostics-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/CLI.build/Debug-webassembly-wasm32/CLI-t.build/Objects-normal/wasm32/MultiOption.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 4 -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/CLI.build/Debug-webassembly-wasm32/CLI-t.build/DerivedSources-normal/wasm32 -Xcc -I/host/spi-builder-workspace/.build/out/Intermediates.noindex/CLI.build/Debug-webassembly-wasm32/CLI-t.build/DerivedSources/wasm32 -Xcc -I/host/spi-builder-workspace/.build/out/Intermediates.noindex/CLI.build/Debug-webassembly-wasm32/CLI-t.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG\=1 -no-auto-bridging-header-chaining -module-name CLI -const-gather-protocols-file /host/spi-builder-workspace/.build/out/Intermediates.noindex/CLI.build/Debug-webassembly-wasm32/CLI-t.build/Objects-normal/wasm32/CLI_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/CLI.build/Debug-webassembly-wasm32/CLI-t.build/Objects-normal/wasm32/MultiOption.o -index-unit-output-path /CLI.build/Debug-webassembly-wasm32/CLI-t.build/Objects-normal/wasm32/MultiOption.o -index-store-path /host/spi-builder-workspace/.build/out -index-system-modules
error: Build failed
BUILD FAILURE 6.4 wasm