Swift Package IndexBuild Information
Failed to build XcodeMCPBridge, reference 1.0.0 (c8bac7), with Swift 6.3 for Wasm on 18 Apr 2026 12:30:48 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/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: 6.3
Building package at path: $PWD
https://github.com/renderplace/XcodeMCPBridge.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4606859-3":/host -w "$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
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Building for debugging...
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[46/134] Compiling DependenciesMacrosPlugin Plugins.swift
[47/134] Compiling PerceptionMacros Plugins.swift
[48/134] Compiling InternalCollectionsUtilities _SortedCollection.swift
[49/134] Compiling InternalCollectionsUtilities _UniqueCollection.swift
[50/134] Emitting module InternalCollectionsUtilities
[51/134] Compiling CasePathsMacros Plugin.swift
[52/134] Emitting module CasePathsMacros
[53/134] Compiling CasePathsMacros CasePathableMacro.swift
[54/134] Compiling DependenciesMacrosPlugin Support.swift
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[105/196] Emitting module ConcurrencyExtras
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[107/196] Emitting module MCPBridgeShared
[111/196] Linking CasePathsMacros-tool
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[149/204] Compiling MCPBridgeShared MCPModels.swift
[150/205] Emitting module IssueReporting
[155/205] Compiling IssueReporting WithExpectedIssue.swift
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[157/205] Compiling OrderedCollections OrderedDictionary+Sendable.swift
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[167/205] Wrapping AST for MCPBridgeShared for debugging
[169/205] Compiling OrderedCollections OrderedDictionary+Codable.swift
[179/208] Compiling MCPBridgeCLI main.swift
/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 {
error: emit-module command failed with exit code 1 (use -v to see invocation)
[180/208] Emitting module MCPBridgeCLI
/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?
[181/208] Compiling MCPBridgeCLI MCPClient.swift
/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?
/host/spi-builder-workspace/Sources/MCPBridgeCLI/MCPClient.swift:53:20: error: cannot find 'Process' in scope
51 | }
52 |
53 | let proc = Process()
| `- error: cannot find 'Process' in scope
54 | proc.executableURL = URL(fileURLWithPath: "/usr/bin/xcrun")
55 | proc.arguments = ["mcpbridge"]
BUILD FAILURE 6.3 wasm