Swift Package IndexBuild Information
Failed to build swift-argument-parser-mcp, reference 1.1.0 (c2262f), with Swift 6.0 for macOS (SPM) on 28 Apr 2026 11:19:01 UTC.
Build Command
env DEVELOPER_DIR=/Applications/Xcode-16.2.0.app xcrun swift build --arch arm64Build Log
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RunAll
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Builder version: 4.70.0
Interrupt handler set up.
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Checkout
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Clone URL: https://github.com/ilia3546/swift-argument-parser-mcp.git
Reference: 1.1.0
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/ilia3546/swift-argument-parser-mcp
* tag 1.1.0 -> FETCH_HEAD
HEAD is now at c2262f6 Terminate spawned subprocess on Task cancellation
Cloned https://github.com/ilia3546/swift-argument-parser-mcp.git
Revision (git rev-parse @):
c2262f628a48839429b96a8403d6b3c6e4bc1449
SPI manifest file found: $PWD/.spi.yml
SUCCESS checkout https://github.com/ilia3546/swift-argument-parser-mcp.git at 1.1.0
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Build
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Selected platform: macosSpm
Swift version: 6.0
Building package at path: $PWD
https://github.com/ilia3546/swift-argument-parser-mcp.git
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-16.2.0.app xcrun swift build --arch arm64
[1/1] Compiling plugin GenerateDoccReference
[2/2] Compiling plugin GenerateManual
Building for debugging...
[2/16] Write sources
[7/16] Write demo-cli-entitlement.plist
[7/16] Write sources
[11/16] Compiling CSystem shims.c
[12/16] Write swift-version-5BDAB9E9C0126B9D.txt
[14/57] Emitting module ArgumentParserToolInfo
[15/57] Compiling ArgumentParserToolInfo ToolInfo.swift
[16/104] Compiling ArgumentParser InputKey.swift
[17/104] Compiling ArgumentParser InputOrigin.swift
[18/104] Compiling ArgumentParser Name.swift
[19/107] Emitting module SystemPackage
[20/107] Compiling ArgumentParser Mutex.swift
[21/107] Compiling ArgumentParser BashCompletionsGenerator.swift
[22/107] Compiling ArgumentParser CompletionsGenerator.swift
[23/107] Compiling ArgumentParser FishCompletionsGenerator.swift
[24/107] Compiling ArgumentParser ZshCompletionsGenerator.swift
[25/107] Compiling ArgumentParser Argument.swift
[26/107] Compiling ArgumentParser ArgumentDiscussion.swift
[27/107] Compiling ArgumentParser ParserError.swift
[28/107] Compiling ArgumentParser SplitArguments.swift
[29/107] Compiling ArgumentParser DumpHelpGenerator.swift
[30/107] Compiling ArgumentParser HelpCommand.swift
[31/107] Compiling ArgumentParser HelpGenerator.swift
[32/107] Compiling Logging MetadataProvider.swift
[33/107] Compiling ArgumentParser UsageGenerator.swift
[34/107] Compiling ArgumentParser CollectionExtensions.swift
[35/107] Compiling ArgumentParser Foundation.swift
[36/107] Compiling ArgumentParser Parsed.swift
[37/107] Compiling ArgumentParser ParsedValues.swift
[38/107] Compiling ArgumentParser MessageInfo.swift
[39/107] Compiling ArgumentParser ArgumentSet.swift
[40/107] Compiling ArgumentParser CommandParser.swift
[41/107] Compiling ArgumentParser NameSpecification.swift
[42/107] Compiling ArgumentParser ParsableCommand.swift
[43/107] Compiling ArgumentParser ArgumentDecoder.swift
[44/107] Compiling ArgumentParser ArgumentDefinition.swift
[45/107] Compiling SystemPackage Util+StringArray.swift
[46/107] Compiling SystemPackage Util.swift
[47/107] Compiling SystemPackage UtilConsumers.swift
[48/107] Compiling Logging LogHandler.swift
[49/107] Compiling Logging LogEvent.swift
[50/107] Compiling Logging Locks.swift
[51/107] Emitting module Logging
[52/107] Compiling Logging Logging.swift
[53/107] Emitting module ArgumentParser
[54/112] Compiling ArgumentParser Platform.swift
[55/112] Compiling ArgumentParser SequenceExtensions.swift
[56/112] Compiling ArgumentParser StringExtensions.swift
[57/112] Compiling ArgumentParser SwiftExtensions.swift
[58/112] Compiling ArgumentParser Tree.swift
[59/112] Compiling ArgumentParser ArgumentHelp.swift
[60/112] Compiling ArgumentParser ArgumentVisibility.swift
[61/112] Compiling ArgumentParser CompletionKind.swift
[62/112] Compiling ArgumentParser Errors.swift
[63/112] Compiling ArgumentParser Flag.swift
[64/112] Compiling ArgumentParser CommandConfiguration.swift
[65/112] Compiling ArgumentParser CommandGroup.swift
[66/112] Compiling ArgumentParser EnumerableFlag.swift
[67/112] Compiling ArgumentParser ExpressibleByArgument.swift
[68/112] Compiling ArgumentParser ParsableArguments.swift
[69/112] Compiling ArgumentParser CodingKeyValidator.swift
[70/112] Compiling ArgumentParser NonsenseFlagsValidator.swift
[71/112] Compiling ArgumentParser ParsableArgumentsValidation.swift
[72/112] Compiling ArgumentParser PositionalArgumentsValidator.swift
[73/112] Compiling ArgumentParser UniqueNamesValidator.swift
[84/112] Compiling ArgumentParser AsyncParsableCommand.swift
[105/112] Compiling EventSource AsyncEventsSequence.swift
[106/112] Compiling EventSource AsyncSequence+Events.swift
[107/112] Compiling EventSource EventSource.swift
[108/112] Emitting module EventSource
[109/112] Compiling EventSource EventSource+AsyncHTTPClient.swift
[110/156] Emitting module MCP
[111/160] Compiling MCP ID.swift
[112/160] Compiling MCP Icon.swift
[113/160] Compiling MCP Lifecycle.swift
[114/160] Compiling MCP Messages.swift
[115/160] Compiling MCP PendingRequest.swift
[116/160] Compiling MCP OAuthURLValidator.swift
[117/160] Compiling MCP OAuthWWWAuthenticateParser.swift
[118/160] Compiling MCP PKCE.swift
[119/160] Compiling MCP TokenStorage.swift
[120/160] Compiling MCP Error.swift
[121/160] Compiling MCP Transport.swift
/Users/admin/builder/spi-builder-workspace/.build/checkouts/swift-sdk/Sources/MCP/Base/Transports/HTTPClientTransport.swift:485:31: error: missing argument for parameter 'of' in call
483 | let timeout = self.sseInitializationTimeout
484 | do {
485 | try await withThrowingTaskGroup { group in
| `- error: missing argument for parameter 'of' in call
486 | group.addTask {
487 | try await Task.sleep(for: .seconds(timeout))
_Concurrency.withThrowingTaskGroup:3:24: note: 'withThrowingTaskGroup(of:returning:isolation:body:)' declared here
1 | @available(macOS 10.15, iOS 13.0, watchOS 6.0, tvOS 13.0, *)
2 | @backDeployed(before: macOS 15.0, iOS 18.0, watchOS 11.0, tvOS 18.0, visionOS 2.0)
3 | @inlinable public func withThrowingTaskGroup<ChildTaskResult, GroupResult>(of childTaskResultType: ChildTaskResult.Type, returning returnType: GroupResult.Type = GroupResult.self, isolation: isolated (any Actor)? = #isolation, body: (inout ThrowingTaskGroup<ChildTaskResult, any Error>) async throws -> GroupResult) async rethrows -> GroupResult where ChildTaskResult : Sendable
| `- note: 'withThrowingTaskGroup(of:returning:isolation:body:)' declared here
[122/160] Compiling MCP HTTPClientTransport.swift
/Users/admin/builder/spi-builder-workspace/.build/checkouts/swift-sdk/Sources/MCP/Base/Transports/HTTPClientTransport.swift:485:31: error: missing argument for parameter 'of' in call
483 | let timeout = self.sseInitializationTimeout
484 | do {
485 | try await withThrowingTaskGroup { group in
| `- error: missing argument for parameter 'of' in call
486 | group.addTask {
487 | try await Task.sleep(for: .seconds(timeout))
_Concurrency.withThrowingTaskGroup:3:24: note: 'withThrowingTaskGroup(of:returning:isolation:body:)' declared here
1 | @available(macOS 10.15, iOS 13.0, watchOS 6.0, tvOS 13.0, *)
2 | @backDeployed(before: macOS 15.0, iOS 18.0, watchOS 11.0, tvOS 18.0, visionOS 2.0)
3 | @inlinable public func withThrowingTaskGroup<ChildTaskResult, GroupResult>(of childTaskResultType: ChildTaskResult.Type, returning returnType: GroupResult.Type = GroupResult.self, isolation: isolated (any Actor)? = #isolation, body: (inout ThrowingTaskGroup<ChildTaskResult, any Error>) async throws -> GroupResult) async rethrows -> GroupResult where ChildTaskResult : Sendable
| `- note: 'withThrowingTaskGroup(of:returning:isolation:body:)' declared here
[123/160] Compiling MCP HTTPRequestValidation.swift
/Users/admin/builder/spi-builder-workspace/.build/checkouts/swift-sdk/Sources/MCP/Base/Transports/HTTPClientTransport.swift:485:31: error: missing argument for parameter 'of' in call
483 | let timeout = self.sseInitializationTimeout
484 | do {
485 | try await withThrowingTaskGroup { group in
| `- error: missing argument for parameter 'of' in call
486 | group.addTask {
487 | try await Task.sleep(for: .seconds(timeout))
_Concurrency.withThrowingTaskGroup:3:24: note: 'withThrowingTaskGroup(of:returning:isolation:body:)' declared here
1 | @available(macOS 10.15, iOS 13.0, watchOS 6.0, tvOS 13.0, *)
2 | @backDeployed(before: macOS 15.0, iOS 18.0, watchOS 11.0, tvOS 18.0, visionOS 2.0)
3 | @inlinable public func withThrowingTaskGroup<ChildTaskResult, GroupResult>(of childTaskResultType: ChildTaskResult.Type, returning returnType: GroupResult.Type = GroupResult.self, isolation: isolated (any Actor)? = #isolation, body: (inout ThrowingTaskGroup<ChildTaskResult, any Error>) async throws -> GroupResult) async rethrows -> GroupResult where ChildTaskResult : Sendable
| `- note: 'withThrowingTaskGroup(of:returning:isolation:body:)' declared here
[124/160] Compiling MCP HTTPServerTypes.swift
/Users/admin/builder/spi-builder-workspace/.build/checkouts/swift-sdk/Sources/MCP/Base/Transports/HTTPClientTransport.swift:485:31: error: missing argument for parameter 'of' in call
483 | let timeout = self.sseInitializationTimeout
484 | do {
485 | try await withThrowingTaskGroup { group in
| `- error: missing argument for parameter 'of' in call
486 | group.addTask {
487 | try await Task.sleep(for: .seconds(timeout))
_Concurrency.withThrowingTaskGroup:3:24: note: 'withThrowingTaskGroup(of:returning:isolation:body:)' declared here
1 | @available(macOS 10.15, iOS 13.0, watchOS 6.0, tvOS 13.0, *)
2 | @backDeployed(before: macOS 15.0, iOS 18.0, watchOS 11.0, tvOS 18.0, visionOS 2.0)
3 | @inlinable public func withThrowingTaskGroup<ChildTaskResult, GroupResult>(of childTaskResultType: ChildTaskResult.Type, returning returnType: GroupResult.Type = GroupResult.self, isolation: isolated (any Actor)? = #isolation, body: (inout ThrowingTaskGroup<ChildTaskResult, any Error>) async throws -> GroupResult) async rethrows -> GroupResult where ChildTaskResult : Sendable
| `- note: 'withThrowingTaskGroup(of:returning:isolation:body:)' declared here
[125/160] Compiling MCP StatefulHTTPServerTransport.swift
/Users/admin/builder/spi-builder-workspace/.build/checkouts/swift-sdk/Sources/MCP/Base/Transports/HTTPClientTransport.swift:485:31: error: missing argument for parameter 'of' in call
483 | let timeout = self.sseInitializationTimeout
484 | do {
485 | try await withThrowingTaskGroup { group in
| `- error: missing argument for parameter 'of' in call
486 | group.addTask {
487 | try await Task.sleep(for: .seconds(timeout))
_Concurrency.withThrowingTaskGroup:3:24: note: 'withThrowingTaskGroup(of:returning:isolation:body:)' declared here
1 | @available(macOS 10.15, iOS 13.0, watchOS 6.0, tvOS 13.0, *)
2 | @backDeployed(before: macOS 15.0, iOS 18.0, watchOS 11.0, tvOS 18.0, visionOS 2.0)
3 | @inlinable public func withThrowingTaskGroup<ChildTaskResult, GroupResult>(of childTaskResultType: ChildTaskResult.Type, returning returnType: GroupResult.Type = GroupResult.self, isolation: isolated (any Actor)? = #isolation, body: (inout ThrowingTaskGroup<ChildTaskResult, any Error>) async throws -> GroupResult) async rethrows -> GroupResult where ChildTaskResult : Sendable
| `- note: 'withThrowingTaskGroup(of:returning:isolation:body:)' declared here
[126/160] Compiling MCP OAuthAuthorizationCodeFlow.swift
[127/160] Compiling MCP OAuthAuthorizer.swift
[128/160] Compiling MCP OAuthClientRegistrar.swift
[129/160] Compiling MCP OAuthConfiguration.swift
[130/160] Compiling MCP OAuthConstants.swift
[131/160] Compiling MCP OAuthDiscovery.swift
[132/160] Compiling MCP OAuthDiscoveryClient.swift
[133/160] Compiling MCP OAuthErrors.swift
[134/160] Compiling MCP OAuthModels.swift
[135/160] Compiling MCP OAuthTokenEndpointClient.swift
[136/160] Compiling MCP StatelessHTTPServerTransport.swift
[137/160] Compiling MCP InMemoryTransport.swift
[138/160] Compiling MCP NetworkTransport.swift
[139/160] Compiling MCP StdioTransport.swift
[140/160] Compiling MCP UnitInterval.swift
[141/160] Compiling MCP Versioning.swift
[142/160] Compiling MCP Client.swift
[143/160] Compiling MCP Elicitation.swift
[144/160] Compiling MCP Roots.swift
[145/160] Compiling MCP Sampling.swift
[146/160] Compiling MCP Data+Extensions.swift
[147/160] Compiling MCP Completion.swift
[148/160] Compiling MCP Logging.swift
[149/160] Compiling MCP Cancellation.swift
[150/160] Compiling MCP Ping.swift
[151/160] Compiling MCP Progress.swift
[152/160] Compiling MCP RequestContext.swift
[153/160] Compiling MCP Value.swift
[154/160] Compiling MCP Prompts.swift
[155/160] Compiling MCP Resources.swift
[156/160] Compiling MCP Server.swift
[157/160] Compiling MCP Tools.swift
Fetching https://github.com/apple/swift-argument-parser
Fetching https://github.com/modelcontextprotocol/swift-sdk
[1/3480] Fetching swift-sdk
[71/20944] Fetching swift-sdk, swift-argument-parser
Fetched https://github.com/modelcontextprotocol/swift-sdk from cache (1.11s)
[1048/17464] Fetching swift-argument-parser
Fetched https://github.com/apple/swift-argument-parser from cache (1.58s)
Computing version for https://github.com/modelcontextprotocol/swift-sdk
Computed https://github.com/modelcontextprotocol/swift-sdk at 0.12.0 (0.44s)
Fetching https://github.com/apple/swift-log.git
Fetching https://github.com/mattt/eventsource.git
Fetching https://github.com/apple/swift-system.git
[1/271] Fetching eventsource
[267/5872] Fetching eventsource, swift-system
[268/12543] Fetching eventsource, swift-system, swift-log
Fetched https://github.com/apple/swift-log.git from cache (1.19s)
Fetched https://github.com/mattt/eventsource.git from cache (1.19s)
Fetched https://github.com/apple/swift-system.git from cache (1.19s)
Computing version for https://github.com/mattt/eventsource.git
Computed https://github.com/mattt/eventsource.git at 1.4.1 (0.42s)
Computing version for https://github.com/apple/swift-system.git
Computed https://github.com/apple/swift-system.git at 1.6.4 (0.49s)
Computing version for https://github.com/apple/swift-log.git
Computed https://github.com/apple/swift-log.git at 1.11.0 (0.41s)
Computing version for https://github.com/apple/swift-argument-parser
Computed https://github.com/apple/swift-argument-parser at 1.7.1 (0.46s)
Creating working copy for https://github.com/apple/swift-system.git
Working copy of https://github.com/apple/swift-system.git resolved at 1.6.4
Creating working copy for https://github.com/mattt/eventsource.git
Working copy of https://github.com/mattt/eventsource.git resolved at 1.4.1
Creating working copy for https://github.com/apple/swift-log.git
Working copy of https://github.com/apple/swift-log.git resolved at 1.11.0
Creating working copy for https://github.com/apple/swift-argument-parser
Working copy of https://github.com/apple/swift-argument-parser resolved at 1.7.1
Creating working copy for https://github.com/modelcontextprotocol/swift-sdk
Working copy of https://github.com/modelcontextprotocol/swift-sdk resolved at 0.12.0
BUILD FAILURE 6.0 macosSpm