Swift Package Index

Build Information

Failed to build XcodeMCPBridge, reference 1.0.0 (c8bac7), with Swift 6.4 for Wasm on 24 Sep 2026 01:42:39 UTC.

Build Command

bash -c docker run --pull=always --rm -v "checkouts-53886769-0":/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/renderplace/XcodeMCPBridge.git
Reference: 1.0.0
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/renderplace/XcodeMCPBridge
 * tag               1.0.0      -> FETCH_HEAD
HEAD is now at c8bac7d Initial commit
Cloned https://github.com/renderplace/XcodeMCPBridge.git
Revision (git rev-parse @):
c8bac7d1d76b25188c8c386534fd1386699df612
SUCCESS checkout https://github.com/renderplace/XcodeMCPBridge.git at 1.0.0
========================================
Build
========================================
Selected platform:         wasm
Swift version:             6.4
Building package at path:  $PWD
https://github.com/renderplace/XcodeMCPBridge.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-53886769-0":/host -w "$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/pointfreeco/swift-composable-architecture
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Computed https://github.com/pointfreeco/swift-composable-architecture at 1.26.2 (8.14s)
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Fetched https://github.com/swiftlang/swift-syntax (4.11s)
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Computed https://github.com/pointfreeco/swift-issue-reporting at 2.1.1 (5.21s)
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Computed https://github.com/pointfreeco/swift-sharing at 2.10.1 (0.25s)
Creating working copy for https://github.com/pointfreeco/swift-custom-dump
Working copy of https://github.com/pointfreeco/swift-custom-dump resolved at 1.7.3
Creating working copy for https://github.com/pointfreeco/swift-dependencies
Working copy of https://github.com/pointfreeco/swift-dependencies resolved at 1.17.1
Creating working copy for https://github.com/pointfreeco/swift-case-paths
Working copy of https://github.com/pointfreeco/swift-case-paths resolved at 1.10.0
Creating working copy for https://github.com/pointfreeco/combine-schedulers
Working copy of https://github.com/pointfreeco/combine-schedulers resolved at 1.2.2
Creating working copy for https://github.com/pointfreeco/swift-concurrency-extras
Working copy of https://github.com/pointfreeco/swift-concurrency-extras resolved at 1.4.1
Creating working copy for https://github.com/swiftlang/swift-syntax
Working copy of https://github.com/swiftlang/swift-syntax resolved at 604.0.0
Creating working copy for https://github.com/pointfreeco/swift-issue-reporting
Working copy of https://github.com/pointfreeco/swift-issue-reporting resolved at 2.1.1
Creating working copy for https://github.com/pointfreeco/swift-identified-collections
Working copy of https://github.com/pointfreeco/swift-identified-collections resolved at 1.1.1
Creating working copy for https://github.com/pointfreeco/swift-sharing
Working copy of https://github.com/pointfreeco/swift-sharing resolved at 2.10.1
Creating working copy for https://github.com/pointfreeco/swift-perception
Working copy of https://github.com/pointfreeco/swift-perception resolved at 2.0.12
Creating working copy for https://github.com/pointfreeco/swift-clocks
Working copy of https://github.com/pointfreeco/swift-clocks resolved at 1.1.1
Creating working copy for https://github.com/apple/swift-collections
Working copy of https://github.com/apple/swift-collections resolved at 1.7.0
Creating working copy for https://github.com/pointfreeco/swift-navigation
Working copy of https://github.com/pointfreeco/swift-navigation resolved at 2.11.2
Creating working copy for https://github.com/OpenCombine/OpenCombine.git
Working copy of https://github.com/OpenCombine/OpenCombine.git resolved at 0.14.0
Creating working copy for https://github.com/pointfreeco/swift-composable-architecture
Working copy of https://github.com/pointfreeco/swift-composable-architecture resolved at 1.26.2
Building for debugging...
[Computing dependencies]
[Constructing description]
[Pre-planning 1 / 1598]
[Planning 1059 / 1598]
[Planning deferred tasks]
[Starting]
[29 / 620] SwiftSyntaxBuilder
[289 / 644] SwiftSyntax510
[332 / 644] SwiftSyntax600
[348 / 651] Sharing2
[360 / 667] Sharing1
[371 / 678] SwiftSyntax603
[381 / 680] MCPBridgeShared
[391 / 680] InternalCollectionsUtilities
[393 / 680] InternalCollectionsUtilities
[401 / 680] IssueReporting
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[407 / 680] IssueReporting
[410 / 680] OrderedCollections
[411 / 680] CustomDump
[419 / 691] IssueReporting
[428 / 691] ConcurrencyExtras
[438 / 706] SwiftSyntax
error: SwiftCompile normal wasm32 failed with a nonzero exit code. Command line:     cd /host

/host/spi-builder-workspace/Sources/MCPBridgeCLI/main.swift:133:17: error: cannot find 'DispatchSemaphore' in scope
131 |
132 | // Use a semaphore to keep the process alive while async tasks run
133 | let semaphore = DispatchSemaphore(value: 0)
    |                 `- error: cannot find 'DispatchSemaphore' in scope
134 |
135 | Task {
/host/spi-builder-workspace/Sources/MCPBridgeCLI/MCPClient.swift:35:26: error: cannot find type 'Process' in scope
 33 | /// MCP client that communicates with `xcrun mcpbridge` via stdio JSON-RPC 2.0.
 34 | actor MCPClient {
 35 |     private var process: Process?
    |                          `- error: cannot find type 'Process' in scope
 36 |     private var stdinPipe: Pipe?
 37 |     private var stdoutPipe: Pipe?
Failed frontend command:
/usr/bin/swift-frontend -frontend -emit-module -experimental-skip-non-inlinable-function-bodies-without-types /host/spi-builder-workspace/Sources/MCPBridgeCLI/MCPClient.swift /host/spi-builder-workspace/Sources/MCPBridgeCLI/main.swift -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 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/XcodeMCPBridge.build/Debug-webassembly-wasm32/mcpbridge-cli-p.build/DerivedSources-normal/wasm32 -Xcc -I/host/spi-builder-workspace/.build/out/Intermediates.noindex/XcodeMCPBridge.build/Debug-webassembly-wasm32/mcpbridge-cli-p.build/DerivedSources/wasm32 -Xcc -I/host/spi-builder-workspace/.build/out/Intermediates.noindex/XcodeMCPBridge.build/Debug-webassembly-wasm32/mcpbridge-cli-p.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG\=1 -no-auto-bridging-header-chaining -module-name MCPBridgeCLI -package-name spi_builder_workspace -const-gather-protocols-file /host/spi-builder-workspace/.build/out/Intermediates.noindex/XcodeMCPBridge.build/Debug-webassembly-wasm32/mcpbridge-cli-p.build/Objects-normal/wasm32/mcpbridge-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 -emit-module-doc-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/XcodeMCPBridge.build/Debug-webassembly-wasm32/mcpbridge-cli-p.build/Objects-normal/wasm32/Modules/MCPBridgeCLI.swiftdoc -emit-module-source-info-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/XcodeMCPBridge.build/Debug-webassembly-wasm32/mcpbridge-cli-p.build/Objects-normal/wasm32/Modules/MCPBridgeCLI.swiftsourceinfo -serialize-diagnostics-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/XcodeMCPBridge.build/Debug-webassembly-wasm32/mcpbridge-cli-p.build/Objects-normal/wasm32/mcpbridge-cli-primary-emit-module.dia -emit-dependencies-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/XcodeMCPBridge.build/Debug-webassembly-wasm32/mcpbridge-cli-p.build/Objects-normal/wasm32/mcpbridge-cli-primary-emit-module.d -o /host/spi-builder-workspace/.build/out/Intermediates.noindex/XcodeMCPBridge.build/Debug-webassembly-wasm32/mcpbridge-cli-p.build/Objects-normal/wasm32/Modules/MCPBridgeCLI.swiftmodule
error: Build failed
BUILD FAILURE 6.4 wasm