Swift Package IndexBuild Information
Failed to build MCPKit, reference 0.6.0 (c038b0), with Swift 6.2 for macOS (SPM) on 11 Sep 2026 23:59:21 UTC.
Build Command
env DEVELOPER_DIR=/Applications/Xcode-26.3.0.app xcrun swift build --arch arm64Build Log
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RunAll
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Builder version: 5.0.2
Interrupt handler set up.
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Checkout
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Clone URL: https://github.com/adamtheturtle/MCPKit.git
Reference: 0.6.0
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/adamtheturtle/MCPKit
* tag 0.6.0 -> FETCH_HEAD
HEAD is now at c038b06 Prepare 0.6.0 release (#110)
Cloned https://github.com/adamtheturtle/MCPKit.git
Revision (git rev-parse @):
c038b066c9dbf9132e4433984e02b4912291f5c1
SPI manifest file found: $PWD/.spi.yml
SUCCESS checkout https://github.com/adamtheturtle/MCPKit.git at 0.6.0
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Build
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Selected platform: macosSpm
Swift version: 6.2
Building package at path: $PWD
https://github.com/adamtheturtle/MCPKit.git
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-26.3.0.app xcrun swift build --arch arm64
[1/1] Compiling plugin Swift-DocC Preview
[2/2] Compiling plugin Swift-DocC
Building for debugging...
[2/24] Write sources
[8/24] Write MCPKitExample-entitlement.plist
[9/24] Write JSONLLogAppendFixture-entitlement.plist
[10/24] Write sources
[10/24] Write MCPKitStdioFailureFixture-entitlement.plist
[13/24] Compiling CSystem shims.c
[14/24] Write swift-version--3CB7CFEC50E0D141.txt
[16/74] Compiling Logging Logger.swift
[17/74] Compiling Logging LoggingSystem.swift
[18/75] Compiling Logging LogEvent.swift
[19/75] Compiling Logging Logger+Attributes.swift
[20/75] Compiling Logging LogHandler.swift
[21/75] Compiling Logging Logger+With.swift
[22/75] Emitting module SystemPackage
[23/75] Compiling SystemPackage Errno.swift
[24/75] Compiling SystemPackage ErrnoWindows.swift
[25/75] Compiling SystemPackage FileDescriptor.swift
[26/75] Compiling SystemPackage FileHelpers.swift
[27/78] Compiling SystemPackage FileFlags.swift
[28/78] Compiling SystemPackage FileMode.swift
[29/78] Compiling SystemPackage FileType.swift
[30/78] Compiling SystemPackage Identifiers.swift
[31/78] Compiling Logging MetadataProvider.swift
[32/78] Compiling SystemPackage Syscalls.swift
[33/78] Compiling SystemPackage WindowsSyscallAdapters.swift
[34/78] Compiling SystemPackage MachPort.swift
[35/78] Compiling SystemPackage Exports.swift
[36/78] Compiling SystemPackage Mocking.swift
[37/78] Compiling SystemPackage RawBuffer.swift
[38/78] Compiling SystemPackage Stat.swift
[39/78] Compiling SystemPackage Backcompat.swift
[40/78] Compiling SystemPackage CInterop.swift
[41/78] Compiling SystemPackage Constants.swift
[42/78] Compiling SystemPackage PlatformString.swift
[43/78] Compiling SystemPackage SystemString.swift
[44/78] Compiling SystemPackage Util+StringArray.swift
[47/78] Compiling Logging SwiftLogNoOpLogHandler.swift
[48/78] Emitting module Logging
[49/78] Compiling Logging Locks.swift
[50/78] Compiling SystemPackage Util.swift
[51/78] Compiling SystemPackage UtilConsumers.swift
[52/78] Compiling SystemPackage WinSDK+Overlay.swift
[53/78] Compiling EventSource EventSource+AsyncHTTPClient.swift
[54/78] Compiling SystemPackage FileOperations.swift
[55/78] Compiling SystemPackage FilePath.swift
[56/78] Compiling SystemPackage FilePathComponentView.swift
[57/78] Compiling SystemPackage FilePathComponents.swift
[58/78] Compiling SystemPackage FilePathParsing.swift
[59/78] Compiling SystemPackage FilePathString.swift
[60/78] Compiling SystemPackage FilePathSyntax.swift
[61/78] Compiling SystemPackage FilePathTemp.swift
[62/78] Compiling SystemPackage FilePathTempPosix.swift
[63/78] Compiling SystemPackage FilePathTempWindows.swift
[64/78] Compiling SystemPackage FilePathWindows.swift
[65/78] Compiling SystemPackage FilePermissions.swift
[66/78] Compiling EventSource AsyncSequence+Events.swift
[67/78] Compiling EventSource AsyncEventsSequence.swift
[68/78] Emitting module EventSource
[69/78] Compiling EventSource EventSource.swift
[70/122] Compiling MCP Cancellation.swift
[71/122] Compiling MCP Ping.swift
[72/122] Compiling MCP Progress.swift
[73/122] Compiling MCP RequestContext.swift
[74/122] Compiling MCP Value.swift
[75/126] Compiling MCP OAuthDiscovery.swift
[76/126] Compiling MCP OAuthDiscoveryClient.swift
[77/126] Compiling MCP OAuthErrors.swift
[78/126] Compiling MCP OAuthModels.swift
[79/126] Compiling MCP OAuthTokenEndpointClient.swift
[80/126] Compiling MCP Transport.swift
[81/126] Compiling MCP HTTPClientTransport.swift
[82/126] Compiling MCP HTTPRequestValidation.swift
[83/126] Compiling MCP HTTPServerTypes.swift
[84/126] Compiling MCP StatefulHTTPServerTransport.swift
[85/126] Compiling MCP OAuthURLValidator.swift
[86/126] Compiling MCP OAuthWWWAuthenticateParser.swift
[87/126] Compiling MCP PKCE.swift
[88/126] Compiling MCP TokenStorage.swift
[89/126] Compiling MCP Error.swift
[90/126] Compiling MCP StatelessHTTPServerTransport.swift
[91/126] Compiling MCP InMemoryTransport.swift
[92/126] Compiling MCP NetworkTransport.swift
[93/126] Compiling MCP StdioTransport.swift
[94/126] Compiling MCP UnitInterval.swift
[95/126] Compiling MCP ID.swift
[96/126] Compiling MCP Icon.swift
[97/126] Compiling MCP Lifecycle.swift
[98/126] Compiling MCP Messages.swift
[99/126] Compiling MCP PendingRequest.swift
[100/126] Compiling MCP OAuthAuthorizationCodeFlow.swift
[101/126] Compiling MCP OAuthAuthorizer.swift
[102/126] Compiling MCP OAuthClientRegistrar.swift
[103/126] Compiling MCP OAuthConfiguration.swift
[104/126] Compiling MCP OAuthConstants.swift
[105/126] Compiling MCP Versioning.swift
[106/126] Compiling MCP Client.swift
[107/126] Compiling MCP Elicitation.swift
[108/126] Compiling MCP Roots.swift
[109/126] Emitting module MCP
[110/126] Compiling MCP Sampling.swift
[111/126] Compiling MCP Data+Extensions.swift
[112/126] Compiling MCP Completion.swift
[113/126] Compiling MCP Logging.swift
[114/126] Compiling MCP Prompts.swift
[115/126] Compiling MCP Resources.swift
[116/126] Compiling MCP Server.swift
[117/126] Compiling MCP Tools.swift
[118/135] Compiling MCPKit ToolSchema.swift
[119/135] 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 | )
[120/135] Compiling MCPKit Results.swift
[121/135] Compiling MCPKit MCPToolProvider.swift
[122/135] Compiling MCPKit Prompts.swift
[123/135] Compiling MCPKit Arguments.swift
[124/135] 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 | )
[125/135] Compiling MCPKit JSONLLog.swift
[126/135] 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) {
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BUILD FAILURE 6.2 macosSpm