Swift Package IndexBuild Information
Failed to build MCPKit, reference main (55b2ba), with Swift 6.1 for macOS (SPM) on 16 Oct 2026 00:06:46 UTC.
Build Command
env DEVELOPER_DIR=/Applications/Xcode-16.3.0.app xcrun swift build --arch arm64Build Log
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RunAll
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Builder version: 5.1.3
Interrupt handler set up.
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Checkout
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Clone URL: https://github.com/adamtheturtle/MCPKit.git
Reference: main
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/adamtheturtle/MCPKit
* branch main -> FETCH_HEAD
* [new branch] main -> origin/main
HEAD is now at 55b2ba0 Merge pull request #118 from adamtheturtle/dependabot/github_actions/astral-sh/setup-uv-10.3.0
Cloned https://github.com/adamtheturtle/MCPKit.git
Revision (git rev-parse @):
55b2ba0a29aa03973e1d01ee3d37dfb5cc4adc92
SPI manifest file found: $PWD/.spi.yml
SUCCESS checkout https://github.com/adamtheturtle/MCPKit.git at main
========================================
Build
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Selected platform: macosSpm
Swift version: 6.1
Building package at path: $PWD
https://github.com/adamtheturtle/MCPKit.git
https://github.com/adamtheturtle/MCPKit.git
{
"dependencies" : [
{
"identity" : "swift-sdk",
"requirement" : {
"range" : [
{
"lower_bound" : "0.12.1",
"upper_bound" : "1.0.0"
}
]
},
"type" : "sourceControl",
"url" : "https://github.com/modelcontextprotocol/swift-sdk.git"
},
{
"identity" : "swift-docc-plugin",
"requirement" : {
"range" : [
{
"lower_bound" : "1.4.5",
"upper_bound" : "2.0.0"
}
]
},
"type" : "sourceControl",
"url" : "https://github.com/swiftlang/swift-docc-plugin"
}
],
"manifest_display_name" : "MCPKit",
"name" : "MCPKit",
"path" : "/Users/admin/builder/spi-builder-workspace",
"platforms" : [
{
"name" : "macos",
"version" : "13.0"
},
{
"name" : "maccatalyst",
"version" : "16.0"
},
{
"name" : "ios",
"version" : "16.0"
},
{
"name" : "watchos",
"version" : "9.0"
},
{
"name" : "tvos",
"version" : "16.0"
},
{
"name" : "visionos",
"version" : "1.0"
}
],
"products" : [
{
"name" : "MCPKit",
"targets" : [
"MCPKit"
],
"type" : {
"library" : [
"automatic"
]
}
},
{
"name" : "MCPKitStdioFailureFixture",
"targets" : [
"MCPKitStdioFailureFixture"
],
"type" : {
"executable" : null
}
},
{
"name" : "MCPKitExample",
"targets" : [
"MCPKitExample"
],
"type" : {
"executable" : null
}
},
{
"name" : "JSONLLogAppendFixture",
"targets" : [
"JSONLLogAppendFixture"
],
"type" : {
"executable" : null
}
}
],
"targets" : [
{
"c99name" : "MCPKitTests",
"module_type" : "SwiftTarget",
"name" : "MCPKitTests",
"path" : "Tests/MCPKitTests",
"sources" : [
"JSONLLogLockingTests.swift",
"JSONLLogPerformanceTests.swift",
"JSONLLogTailTests.swift",
"JSONLLogTests.swift",
"MCPKitTests.swift",
"PromptTests.swift"
],
"target_dependencies" : [
"MCPKit",
"MCPKitStdioFailureFixture",
"JSONLLogAppendFixture"
],
"type" : "test"
},
{
"c99name" : "MCPKitStdioFailureFixture",
"module_type" : "SwiftTarget",
"name" : "MCPKitStdioFailureFixture",
"path" : "Tests/StdioFailureFixture",
"product_memberships" : [
"MCPKitStdioFailureFixture"
],
"sources" : [
"main.swift"
],
"target_dependencies" : [
"MCPKit"
],
"type" : "executable"
},
{
"c99name" : "MCPKitExample",
"module_type" : "SwiftTarget",
"name" : "MCPKitExample",
"path" : "Examples/HostApp",
"product_memberships" : [
"MCPKitExample"
],
"sources" : [
"main.swift"
],
"target_dependencies" : [
"MCPKit"
],
"type" : "executable"
},
{
"c99name" : "MCPKit",
"module_type" : "SwiftTarget",
"name" : "MCPKit",
"path" : "Sources/MCPKit",
"product_dependencies" : [
"MCP"
],
"product_memberships" : [
"MCPKit",
"MCPKitStdioFailureFixture",
"MCPKitExample",
"JSONLLogAppendFixture"
],
"sources" : [
"Arguments.swift",
"JSONLLog.swift",
"MCPServer.swift",
"MCPToolProvider.swift",
"Prompts.swift",
"Results.swift",
"StdioBootstrap.swift",
"ToolSchema.swift"
],
"type" : "library"
},
{
"c99name" : "JSONLLogAppendFixture",
"module_type" : "SwiftTarget",
"name" : "JSONLLogAppendFixture",
"path" : "Tests/JSONLLogAppendFixture",
"product_memberships" : [
"JSONLLogAppendFixture"
],
"sources" : [
"main.swift"
],
"target_dependencies" : [
"MCPKit"
],
"type" : "executable"
}
],
"tools_version" : "6.1"
}
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-16.3.0.app xcrun swift build --arch arm64 -Xswiftc -Xfrontend -Xswiftc -stats-output-dir -Xswiftc -Xfrontend -Xswiftc .stats -Xswiftc -strict-concurrency=complete -Xswiftc -enable-upcoming-feature -Xswiftc StrictConcurrency -Xswiftc -enable-upcoming-feature -Xswiftc DisableOutwardActorInference -Xswiftc -enable-upcoming-feature -Xswiftc GlobalActorIsolatedTypesUsability -Xswiftc -enable-upcoming-feature -Xswiftc InferSendableFromCaptures
[1/1] Compiling plugin Swift-DocC Preview
[2/2] Compiling plugin Swift-DocC
Building for debugging...
[2/24] Write sources
[5/24] Write MCPKitStdioFailureFixture-entitlement.plist
[5/24] Write MCPKitExample-entitlement.plist
[5/24] Write sources
[10/24] Write JSONLLogAppendFixture-entitlement.plist
[11/24] Write sources
[13/24] Write swift-version-2F0A5646E1D333AE.txt
[14/24] Compiling CSystem shims.c
[16/74] Emitting module SystemPackage
<unknown>:0: warning: upcoming feature 'InferSendableFromCaptures' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'GlobalActorIsolatedTypesUsability' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'DisableOutwardActorInference' is already enabled as of Swift version 6
[17/77] Compiling Logging SwiftLogNoOpLogHandler.swift
<unknown>:0: warning: upcoming feature 'InferSendableFromCaptures' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'GlobalActorIsolatedTypesUsability' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'DisableOutwardActorInference' is already enabled as of Swift version 6
[18/78] Compiling Logging LoggingSystem.swift
<unknown>:0: warning: upcoming feature 'InferSendableFromCaptures' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'GlobalActorIsolatedTypesUsability' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'DisableOutwardActorInference' is already enabled as of Swift version 6
[19/78] Compiling SystemPackage FileOperations.swift
<unknown>:0: warning: upcoming feature 'InferSendableFromCaptures' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'GlobalActorIsolatedTypesUsability' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'DisableOutwardActorInference' is already enabled as of Swift version 6
[20/78] Compiling SystemPackage FilePath.swift
<unknown>:0: warning: upcoming feature 'InferSendableFromCaptures' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'GlobalActorIsolatedTypesUsability' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'DisableOutwardActorInference' is already enabled as of Swift version 6
[21/78] Compiling SystemPackage FilePathComponentView.swift
<unknown>:0: warning: upcoming feature 'InferSendableFromCaptures' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'GlobalActorIsolatedTypesUsability' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'DisableOutwardActorInference' is already enabled as of Swift version 6
[22/78] Compiling SystemPackage FilePathComponents.swift
<unknown>:0: warning: upcoming feature 'InferSendableFromCaptures' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'GlobalActorIsolatedTypesUsability' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'DisableOutwardActorInference' is already enabled as of Swift version 6
[23/78] Compiling SystemPackage Errno.swift
<unknown>:0: warning: upcoming feature 'InferSendableFromCaptures' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'GlobalActorIsolatedTypesUsability' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'DisableOutwardActorInference' is already enabled as of Swift version 6
[24/78] Compiling SystemPackage ErrnoWindows.swift
<unknown>:0: warning: upcoming feature 'InferSendableFromCaptures' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'GlobalActorIsolatedTypesUsability' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'DisableOutwardActorInference' is already enabled as of Swift version 6
[25/78] Compiling SystemPackage FileDescriptor.swift
<unknown>:0: warning: upcoming feature 'InferSendableFromCaptures' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'GlobalActorIsolatedTypesUsability' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'DisableOutwardActorInference' is already enabled as of Swift version 6
[26/78] Compiling SystemPackage FileHelpers.swift
<unknown>:0: warning: upcoming feature 'InferSendableFromCaptures' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'GlobalActorIsolatedTypesUsability' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'DisableOutwardActorInference' is already enabled as of Swift version 6
[27/78] Compiling Logging Logger+Attributes.swift
<unknown>:0: warning: upcoming feature 'InferSendableFromCaptures' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'GlobalActorIsolatedTypesUsability' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'DisableOutwardActorInference' is already enabled as of Swift version 6
[28/78] Compiling Logging LogHandler.swift
<unknown>:0: warning: upcoming feature 'InferSendableFromCaptures' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'GlobalActorIsolatedTypesUsability' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'DisableOutwardActorInference' is already enabled as of Swift version 6
[29/78] Compiling Logging Logger+With.swift
unable to find node: pound
unable to find node: pound
<unknown>:0: warning: upcoming feature 'InferSendableFromCaptures' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'GlobalActorIsolatedTypesUsability' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'DisableOutwardActorInference' is already enabled as of Swift version 6
[30/78] Compiling Logging Logger.swift
<unknown>:0: warning: upcoming feature 'InferSendableFromCaptures' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'GlobalActorIsolatedTypesUsability' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'DisableOutwardActorInference' is already enabled as of Swift version 6
[31/78] Compiling SystemPackage PlatformString.swift
<unknown>:0: warning: upcoming feature 'InferSendableFromCaptures' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'GlobalActorIsolatedTypesUsability' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'DisableOutwardActorInference' is already enabled as of Swift version 6
[32/78] Compiling SystemPackage SystemString.swift
<unknown>:0: warning: upcoming feature 'InferSendableFromCaptures' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'GlobalActorIsolatedTypesUsability' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'DisableOutwardActorInference' is already enabled as of Swift version 6
[33/78] Compiling SystemPackage Util+StringArray.swift
<unknown>:0: warning: upcoming feature 'InferSendableFromCaptures' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'GlobalActorIsolatedTypesUsability' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'DisableOutwardActorInference' is already enabled as of Swift version 6
[34/78] Compiling SystemPackage Util.swift
<unknown>:0: warning: upcoming feature 'InferSendableFromCaptures' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'GlobalActorIsolatedTypesUsability' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'DisableOutwardActorInference' is already enabled as of Swift version 6
[35/78] Compiling SystemPackage UtilConsumers.swift
<unknown>:0: warning: upcoming feature 'InferSendableFromCaptures' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'GlobalActorIsolatedTypesUsability' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'DisableOutwardActorInference' is already enabled as of Swift version 6
[36/78] Compiling SystemPackage WinSDK+Overlay.swift
<unknown>:0: warning: upcoming feature 'InferSendableFromCaptures' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'GlobalActorIsolatedTypesUsability' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'DisableOutwardActorInference' is already enabled as of Swift version 6
[37/78] Compiling Logging MetadataProvider.swift
<unknown>:0: warning: upcoming feature 'InferSendableFromCaptures' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'GlobalActorIsolatedTypesUsability' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'DisableOutwardActorInference' is already enabled as of Swift version 6
[38/78] Compiling Logging Locks.swift
<unknown>:0: warning: upcoming feature 'InferSendableFromCaptures' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'GlobalActorIsolatedTypesUsability' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'DisableOutwardActorInference' is already enabled as of Swift version 6
[39/78] Emitting module Logging
unable to find node: pound
unable to find node: pound
<unknown>:0: warning: upcoming feature 'InferSendableFromCaptures' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'GlobalActorIsolatedTypesUsability' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'DisableOutwardActorInference' is already enabled as of Swift version 6
[40/78] Compiling Logging LogEvent.swift
<unknown>:0: warning: upcoming feature 'InferSendableFromCaptures' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'GlobalActorIsolatedTypesUsability' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'DisableOutwardActorInference' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'InferSendableFromCaptures' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'GlobalActorIsolatedTypesUsability' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'DisableOutwardActorInference' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'InferSendableFromCaptures' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'GlobalActorIsolatedTypesUsability' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'DisableOutwardActorInference' is already enabled as of Swift version 6
[43/78] Compiling SystemPackage Exports.swift
<unknown>:0: warning: upcoming feature 'InferSendableFromCaptures' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'GlobalActorIsolatedTypesUsability' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'DisableOutwardActorInference' is already enabled as of Swift version 6
[44/78] Compiling SystemPackage Mocking.swift
<unknown>:0: warning: upcoming feature 'InferSendableFromCaptures' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'GlobalActorIsolatedTypesUsability' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'DisableOutwardActorInference' is already enabled as of Swift version 6
[45/78] Compiling SystemPackage RawBuffer.swift
<unknown>:0: warning: upcoming feature 'InferSendableFromCaptures' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'GlobalActorIsolatedTypesUsability' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'DisableOutwardActorInference' is already enabled as of Swift version 6
[46/78] Compiling SystemPackage FileFlags.swift
<unknown>:0: warning: upcoming feature 'InferSendableFromCaptures' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'GlobalActorIsolatedTypesUsability' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'DisableOutwardActorInference' is already enabled as of Swift version 6
[47/78] Compiling SystemPackage FileMode.swift
<unknown>:0: warning: upcoming feature 'InferSendableFromCaptures' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'GlobalActorIsolatedTypesUsability' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'DisableOutwardActorInference' is already enabled as of Swift version 6
[48/78] Compiling SystemPackage FileType.swift
<unknown>:0: warning: upcoming feature 'InferSendableFromCaptures' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'GlobalActorIsolatedTypesUsability' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'DisableOutwardActorInference' is already enabled as of Swift version 6
[49/78] Compiling SystemPackage Identifiers.swift
<unknown>:0: warning: upcoming feature 'InferSendableFromCaptures' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'GlobalActorIsolatedTypesUsability' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'DisableOutwardActorInference' is already enabled as of Swift version 6
[50/78] Compiling SystemPackage Syscalls.swift
<unknown>:0: warning: upcoming feature 'InferSendableFromCaptures' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'GlobalActorIsolatedTypesUsability' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'DisableOutwardActorInference' is already enabled as of Swift version 6
[51/78] Compiling SystemPackage WindowsSyscallAdapters.swift
<unknown>:0: warning: upcoming feature 'InferSendableFromCaptures' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'GlobalActorIsolatedTypesUsability' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'DisableOutwardActorInference' is already enabled as of Swift version 6
[52/78] Compiling SystemPackage MachPort.swift
<unknown>:0: warning: upcoming feature 'InferSendableFromCaptures' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'GlobalActorIsolatedTypesUsability' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'DisableOutwardActorInference' is already enabled as of Swift version 6
[53/78] Compiling SystemPackage Stat.swift
<unknown>:0: warning: upcoming feature 'InferSendableFromCaptures' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'GlobalActorIsolatedTypesUsability' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'DisableOutwardActorInference' is already enabled as of Swift version 6
[54/78] Compiling SystemPackage Backcompat.swift
<unknown>:0: warning: upcoming feature 'InferSendableFromCaptures' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'GlobalActorIsolatedTypesUsability' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'DisableOutwardActorInference' is already enabled as of Swift version 6
[55/78] Compiling SystemPackage CInterop.swift
<unknown>:0: warning: upcoming feature 'InferSendableFromCaptures' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'GlobalActorIsolatedTypesUsability' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'DisableOutwardActorInference' is already enabled as of Swift version 6
[56/78] Compiling SystemPackage Constants.swift
<unknown>:0: warning: upcoming feature 'InferSendableFromCaptures' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'GlobalActorIsolatedTypesUsability' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'DisableOutwardActorInference' is already enabled as of Swift version 6
[57/78] Compiling SystemPackage FilePathParsing.swift
<unknown>:0: warning: upcoming feature 'InferSendableFromCaptures' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'GlobalActorIsolatedTypesUsability' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'DisableOutwardActorInference' is already enabled as of Swift version 6
[58/78] Compiling SystemPackage FilePathString.swift
<unknown>:0: warning: upcoming feature 'InferSendableFromCaptures' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'GlobalActorIsolatedTypesUsability' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'DisableOutwardActorInference' is already enabled as of Swift version 6
[59/78] Compiling SystemPackage FilePathSyntax.swift
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<unknown>:0: warning: upcoming feature 'GlobalActorIsolatedTypesUsability' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'DisableOutwardActorInference' is already enabled as of Swift version 6
[60/78] Compiling SystemPackage FilePathTemp.swift
<unknown>:0: warning: upcoming feature 'InferSendableFromCaptures' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'GlobalActorIsolatedTypesUsability' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'DisableOutwardActorInference' is already enabled as of Swift version 6
[61/78] Compiling SystemPackage FilePathTempPosix.swift
<unknown>:0: warning: upcoming feature 'InferSendableFromCaptures' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'GlobalActorIsolatedTypesUsability' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'DisableOutwardActorInference' is already enabled as of Swift version 6
[62/78] Compiling SystemPackage FilePathTempWindows.swift
<unknown>:0: warning: upcoming feature 'InferSendableFromCaptures' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'GlobalActorIsolatedTypesUsability' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'DisableOutwardActorInference' is already enabled as of Swift version 6
[63/78] Compiling SystemPackage FilePathWindows.swift
<unknown>:0: warning: upcoming feature 'InferSendableFromCaptures' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'GlobalActorIsolatedTypesUsability' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'DisableOutwardActorInference' is already enabled as of Swift version 6
[64/78] Compiling SystemPackage FilePermissions.swift
<unknown>:0: warning: upcoming feature 'InferSendableFromCaptures' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'GlobalActorIsolatedTypesUsability' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'DisableOutwardActorInference' is already enabled as of Swift version 6
[65/78] Compiling EventSource EventSource.swift
<unknown>:0: warning: upcoming feature 'InferSendableFromCaptures' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'GlobalActorIsolatedTypesUsability' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'DisableOutwardActorInference' is already enabled as of Swift version 6
[66/78] Compiling EventSource AsyncSequence+Events.swift
<unknown>:0: warning: upcoming feature 'InferSendableFromCaptures' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'GlobalActorIsolatedTypesUsability' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'DisableOutwardActorInference' is already enabled as of Swift version 6
[67/78] Compiling EventSource AsyncEventsSequence.swift
<unknown>:0: warning: upcoming feature 'InferSendableFromCaptures' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'GlobalActorIsolatedTypesUsability' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'DisableOutwardActorInference' is already enabled as of Swift version 6
[68/78] Emitting module EventSource
<unknown>:0: warning: upcoming feature 'InferSendableFromCaptures' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'GlobalActorIsolatedTypesUsability' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'DisableOutwardActorInference' is already enabled as of Swift version 6
[69/78] Compiling EventSource EventSource+AsyncHTTPClient.swift
<unknown>:0: warning: upcoming feature 'InferSendableFromCaptures' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'GlobalActorIsolatedTypesUsability' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'DisableOutwardActorInference' is already enabled as of Swift version 6
[70/122] Emitting module MCP
<unknown>:0: warning: upcoming feature 'InferSendableFromCaptures' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'GlobalActorIsolatedTypesUsability' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'DisableOutwardActorInference' is already enabled as of Swift version 6
[71/126] Compiling MCP OAuthURLValidator.swift
<unknown>:0: warning: upcoming feature 'InferSendableFromCaptures' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'GlobalActorIsolatedTypesUsability' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'DisableOutwardActorInference' is already enabled as of Swift version 6
[72/126] Compiling MCP OAuthWWWAuthenticateParser.swift
<unknown>:0: warning: upcoming feature 'InferSendableFromCaptures' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'GlobalActorIsolatedTypesUsability' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'DisableOutwardActorInference' is already enabled as of Swift version 6
[73/126] Compiling MCP PKCE.swift
<unknown>:0: warning: upcoming feature 'InferSendableFromCaptures' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'GlobalActorIsolatedTypesUsability' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'DisableOutwardActorInference' is already enabled as of Swift version 6
[74/126] Compiling MCP TokenStorage.swift
<unknown>:0: warning: upcoming feature 'InferSendableFromCaptures' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'GlobalActorIsolatedTypesUsability' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'DisableOutwardActorInference' is already enabled as of Swift version 6
[75/126] Compiling MCP Error.swift
<unknown>:0: warning: upcoming feature 'InferSendableFromCaptures' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'GlobalActorIsolatedTypesUsability' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'DisableOutwardActorInference' is already enabled as of Swift version 6
[76/126] Compiling MCP Transport.swift
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[77/126] Compiling MCP HTTPClientTransport.swift
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[78/126] Compiling MCP HTTPRequestValidation.swift
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[79/126] Compiling MCP HTTPServerTypes.swift
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[80/126] Compiling MCP StatefulHTTPServerTransport.swift
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[81/126] Compiling MCP ID.swift
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[82/126] Compiling MCP Icon.swift
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[83/126] Compiling MCP Lifecycle.swift
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[84/126] Compiling MCP Messages.swift
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[85/126] Compiling MCP PendingRequest.swift
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[86/126] Compiling MCP OAuthDiscovery.swift
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[87/126] Compiling MCP OAuthDiscoveryClient.swift
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[88/126] Compiling MCP OAuthErrors.swift
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[89/126] Compiling MCP OAuthModels.swift
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[90/126] Compiling MCP OAuthTokenEndpointClient.swift
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[91/126] Compiling MCP Cancellation.swift
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[92/126] Compiling MCP Ping.swift
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[93/126] Compiling MCP Progress.swift
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[94/126] Compiling MCP RequestContext.swift
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[95/126] Compiling MCP Value.swift
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[96/126] Compiling MCP StatelessHTTPServerTransport.swift
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[97/126] Compiling MCP InMemoryTransport.swift
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[98/126] Compiling MCP NetworkTransport.swift
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[99/126] Compiling MCP StdioTransport.swift
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[100/126] Compiling MCP UnitInterval.swift
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[101/126] Compiling MCP OAuthAuthorizationCodeFlow.swift
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[102/126] Compiling MCP OAuthAuthorizer.swift
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[103/126] Compiling MCP OAuthClientRegistrar.swift
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[104/126] Compiling MCP OAuthConfiguration.swift
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[105/126] Compiling MCP OAuthConstants.swift
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[106/126] Compiling MCP Versioning.swift
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[107/126] Compiling MCP Client.swift
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[108/126] Compiling MCP Elicitation.swift
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[109/126] Compiling MCP Roots.swift
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[110/126] Compiling MCP Sampling.swift
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[111/126] Compiling MCP Data+Extensions.swift
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[112/126] Compiling MCP Completion.swift
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[113/126] Compiling MCP Logging.swift
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[114/126] Compiling MCP Prompts.swift
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[115/126] Compiling MCP Resources.swift
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[116/126] Compiling MCP Server.swift
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[117/126] Compiling MCP Tools.swift
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[118/135] Compiling MCPKit StdioBootstrap.swift
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/Users/admin/builder/spi-builder-workspace/Sources/MCPKit/StdioBootstrap.swift:30:5: warning: 'public' modifier is redundant for static property declared in a public extension
28 | /// ``runOverStdioUntilExit(name:version:capabilities:isEnabled:disabledMessage:onLaunch:provider:)``:
29 | /// tools only, without prompt or resource advertisements.
30 | public static let stdioDefaultCapabilities = Server.Capabilities(
| `- warning: 'public' modifier is redundant for static property declared in a public extension
31 | tools: .init(listChanged: false)
32 | )
[119/135] Compiling MCPKit MCPToolProvider.swift
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[120/135] Compiling MCPKit Prompts.swift
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[121/135] Compiling MCPKit ToolSchema.swift
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[122/135] Compiling MCPKit Results.swift
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[123/135] Compiling MCPKit Arguments.swift
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[124/135] Compiling MCPKit JSONLLog.swift
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[125/135] Emitting module MCPKit
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/Users/admin/builder/spi-builder-workspace/Sources/MCPKit/StdioBootstrap.swift:30:5: warning: 'public' modifier is redundant for static property declared in a public extension
28 | /// ``runOverStdioUntilExit(name:version:capabilities:isEnabled:disabledMessage:onLaunch:provider:)``:
29 | /// tools only, without prompt or resource advertisements.
30 | public static let stdioDefaultCapabilities = Server.Capabilities(
| `- warning: 'public' modifier is redundant for static property declared in a public extension
31 | tools: .init(listChanged: false)
32 | )
[126/135] Compiling MCPKit MCPServer.swift
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/Users/admin/builder/spi-builder-workspace/Sources/MCPKit/MCPServer.swift:91:28: error: value of type 'Logger' has no member 'isEnabled'
89 | // Only fetch the tools list when debug logging will emit; `tools()` can be
90 | // config-gated / non-trivial and must not run on every tools/call otherwise.
91 | if callToolLog.isEnabled(type: .debug) {
| `- error: value of type 'Logger' has no member 'isEnabled'
92 | let advertised = await provider.tools().map(\.name)
93 | if !advertised.contains(params.name) {
/Users/admin/builder/spi-builder-workspace/Sources/MCPKit/MCPServer.swift:91:45: error: cannot infer contextual base in reference to member 'debug'
89 | // Only fetch the tools list when debug logging will emit; `tools()` can be
90 | // config-gated / non-trivial and must not run on every tools/call otherwise.
91 | if callToolLog.isEnabled(type: .debug) {
| `- error: cannot infer contextual base in reference to member 'debug'
92 | let advertised = await provider.tools().map(\.name)
93 | if !advertised.contains(params.name) {
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Fetching https://github.com/apple/swift-crypto.git from cache
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Computing version for https://github.com/apple/swift-crypto.git
Computed https://github.com/apple/swift-crypto.git at 4.5.2 (1.08s)
Creating working copy for https://github.com/modelcontextprotocol/swift-sdk.git
Working copy of https://github.com/modelcontextprotocol/swift-sdk.git resolved at 0.12.1
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Working copy of https://github.com/apple/swift-nio.git resolved at 2.104.0
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Working copy of https://github.com/apple/swift-nio-http2.git resolved at 1.46.0
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Creating working copy for https://github.com/swiftlang/swift-docc-plugin
Working copy of https://github.com/swiftlang/swift-docc-plugin resolved at 1.5.0
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Working copy of https://github.com/apple/swift-async-algorithms.git resolved at 1.1.7
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Working copy of https://github.com/apple/swift-system.git resolved at 1.8.1
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Working copy of https://github.com/apple/swift-collections.git resolved at 1.6.0
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Working copy of https://github.com/apple/swift-numerics.git resolved at 1.1.1
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Working copy of https://github.com/apple/swift-asn1.git resolved at 1.7.3
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Working copy of https://github.com/apple/swift-algorithms.git resolved at 1.2.1
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Running build ...
env DEVELOPER_DIR=/Applications/Xcode-16.3.0.app xcrun swift build --arch arm64
[0/1] Planning build
[1/1] Compiling plugin Swift-DocC Preview
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Building for debugging...
[2/12] Write swift-version-2F0A5646E1D333AE.txt
[4/62] Compiling Logging LoggingSystem.swift
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[6/63] Compiling Logging Logger+With.swift
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[27/66] Compiling EventSource EventSource+AsyncHTTPClient.swift
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[56/66] Compiling SystemPackage WinSDK+Overlay.swift
[57/66] Emitting module SystemPackage
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[67/114] Compiling MCP PendingRequest.swift
[68/114] Emitting module MCP
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[109/123] Compiling MCPKit MCPToolProvider.swift
[110/123] Compiling MCPKit StdioBootstrap.swift
/Users/admin/builder/spi-builder-workspace/Sources/MCPKit/StdioBootstrap.swift:30:5: warning: 'public' modifier is redundant for static property declared in a public extension
28 | /// ``runOverStdioUntilExit(name:version:capabilities:isEnabled:disabledMessage:onLaunch:provider:)``:
29 | /// tools only, without prompt or resource advertisements.
30 | public static let stdioDefaultCapabilities = Server.Capabilities(
| `- warning: 'public' modifier is redundant for static property declared in a public extension
31 | tools: .init(listChanged: false)
32 | )
[111/123] Compiling MCPKit MCPServer.swift
/Users/admin/builder/spi-builder-workspace/Sources/MCPKit/MCPServer.swift:91:28: error: value of type 'Logger' has no member 'isEnabled'
89 | // Only fetch the tools list when debug logging will emit; `tools()` can be
90 | // config-gated / non-trivial and must not run on every tools/call otherwise.
91 | if callToolLog.isEnabled(type: .debug) {
| `- error: value of type 'Logger' has no member 'isEnabled'
92 | let advertised = await provider.tools().map(\.name)
93 | if !advertised.contains(params.name) {
/Users/admin/builder/spi-builder-workspace/Sources/MCPKit/MCPServer.swift:91:45: error: cannot infer contextual base in reference to member 'debug'
89 | // Only fetch the tools list when debug logging will emit; `tools()` can be
90 | // config-gated / non-trivial and must not run on every tools/call otherwise.
91 | if callToolLog.isEnabled(type: .debug) {
| `- error: cannot infer contextual base in reference to member 'debug'
92 | let advertised = await provider.tools().map(\.name)
93 | if !advertised.contains(params.name) {
[112/123] Compiling MCPKit Arguments.swift
[113/123] Emitting module MCPKit
/Users/admin/builder/spi-builder-workspace/Sources/MCPKit/StdioBootstrap.swift:30:5: warning: 'public' modifier is redundant for static property declared in a public extension
28 | /// ``runOverStdioUntilExit(name:version:capabilities:isEnabled:disabledMessage:onLaunch:provider:)``:
29 | /// tools only, without prompt or resource advertisements.
30 | public static let stdioDefaultCapabilities = Server.Capabilities(
| `- warning: 'public' modifier is redundant for static property declared in a public extension
31 | tools: .init(listChanged: false)
32 | )
[114/123] Compiling MCPKit JSONLLog.swift
BUILD FAILURE 6.1 macosSpm