Build Information
Successful build of mcp-stdio-swift, reference main (1a5e0b), with Swift 6.4 for macOS (SPM) on 23 Sep 2026 19:59:55 UTC.
Swift 6 data race errors: 0
Build Command
env DEVELOPER_DIR=/Applications/Xcode-27.0.0-Release.Candidate.app xcrun swift build --arch arm64Build Log
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RunAll
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Builder version: 5.1.0
Interrupt handler set up.
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Checkout
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Clone URL: https://github.com/xbill9/mcp-stdio-swift.git
Reference: main
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/xbill9/mcp-stdio-swift
* branch main -> FETCH_HEAD
* [new branch] main -> origin/main
HEAD is now at 1a5e0bc add settings.json for gemini cli
Cloned https://github.com/xbill9/mcp-stdio-swift.git
Revision (git rev-parse @):
1a5e0bc4601b79bafc196f7e1bd4bca79d0a8227
SUCCESS checkout https://github.com/xbill9/mcp-stdio-swift.git at main
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Build
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Selected platform: macosSpm
Swift version: 6.4
Building package at path: $PWD
https://github.com/xbill9/mcp-stdio-swift.git
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-27.0.0-Release.Candidate.app xcrun swift build --arch arm64
Building for debugging...
[Computing dependencies]
[Constructing description]
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/Users/admin/builder/spi-builder-workspace/Sources/mcp-stdio-swift/JSONLogHandler.swift:4:15: [1;33mwarning: [1;39mdeprecated default implementation is used to satisfy instance method 'log(event:)' required by protocol 'LogHandler': You should implement this method instead of using the default implementation[0;0m [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/deprecated-declaration\DeprecatedDeclaration]8;;\]
[0;36m2 |[0;0m import Logging
[0;36m3 |[0;0m
[0;36m4 |[0;0m public struct JSONLogHandler: LogHandler {
[0;36m|[0;0m `- [1;33mwarning: [1;39mdeprecated default implementation is used to satisfy instance method 'log(event:)' required by protocol 'LogHandler': You should implement this method instead of using the default implementation[0;0m [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/deprecated-declaration\DeprecatedDeclaration]8;;\]
[0;36m5 |[0;0m public var logLevel: Logger.Level = .info
[0;36m6 |[0;0m public var metadata: Logger.Metadata = [:]
Logging.LogHandler.log:3:15: [1;39mnote: [1;39m'log(event:)' declared here[0;0m
[0;36m1 |[0;0m protocol LogHandler {
[0;36m2 |[0;0m @available(*, deprecated, message: "You should implement this method instead of using the default implementation")
[0;36m3 |[0;0m public func log(event: Logging.LogEvent)}
[0;36m|[0;0m `- [1;39mnote: [1;39m'log(event:)' declared here[0;0m
[0;36m4 |[0;0m
Logging.LogHandler.log:2:6: [1;39mnote: [1;39mrequirement 'log(event:)' declared here[0;0m
[0;36m1 |[0;0m protocol LogHandler {
[0;36m2 |[0;0m func log(event: Logging.LogEvent)}
[0;36m|[0;0m `- [1;39mnote: [1;39mrequirement 'log(event:)' declared here[0;0m
[0;36m3 |[0;0m
[#DeprecatedDeclaration]: <https://docs.swift.org/compiler/documentation/diagnostics/deprecated-declaration>
/Users/admin/builder/spi-builder-workspace/Sources/mcp-stdio-swift/Handlers.swift:36:31: [1;33mwarning: [1;39m'text(_:metadata:)' is deprecated: Use .text(text:annotations:_meta:) instead.[0;0m [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/deprecated-declaration\DeprecatedDeclaration]8;;\]
[0;36m34 |[0;0m func callTool(_ params: CallTool.Parameters) async throws -> CallTool.Result {
[0;36m35 |[0;0m guard let tool = ToolName(rawValue: params.name) else {
[0;36m36 |[0;0m return .init(content: [.text("Unknown tool: \(params.name)")], isError: true)
[0;36m|[0;0m `- [1;33mwarning: [1;39m'text(_:metadata:)' is deprecated: Use .text(text:annotations:_meta:) instead.[0;0m [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/deprecated-declaration\DeprecatedDeclaration]8;;\]
[0;36m37 |[0;0m }
[0;36m38 |[0;0m
/Users/admin/builder/spi-builder-workspace/Sources/mcp-stdio-swift/Handlers.swift:44:33: [1;33mwarning: [1;39m'text(_:metadata:)' is deprecated: Use .text(text:annotations:_meta:) instead.[0;0m [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/deprecated-declaration\DeprecatedDeclaration]8;;\]
[0;36m42 |[0;0m
[0;36m43 |[0;0m guard let param = params.arguments?["param"]?.stringValue else {
[0;36m44 |[0;0m return .init(content: [.text("Missing required parameter: param")], isError: true)
[0;36m|[0;0m `- [1;33mwarning: [1;39m'text(_:metadata:)' is deprecated: Use .text(text:annotations:_meta:) instead.[0;0m [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/deprecated-declaration\DeprecatedDeclaration]8;;\]
[0;36m45 |[0;0m }
[0;36m46 |[0;0m
/Users/admin/builder/spi-builder-workspace/Sources/mcp-stdio-swift/Handlers.swift:48:20: [1;33mwarning: [1;39m'text(_:metadata:)' is deprecated: Use .text(text:annotations:_meta:) instead.[0;0m [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/deprecated-declaration\DeprecatedDeclaration]8;;\]
[0;36m46 |[0;0m
[0;36m47 |[0;0m return .init(
[0;36m48 |[0;0m content: [.text(param)],
[0;36m|[0;0m `- [1;33mwarning: [1;39m'text(_:metadata:)' is deprecated: Use .text(text:annotations:_meta:) instead.[0;0m [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/deprecated-declaration\DeprecatedDeclaration]8;;\]
[0;36m49 |[0;0m isError: false
[0;36m50 |[0;0m )
[#DeprecatedDeclaration]: <https://docs.swift.org/compiler/documentation/diagnostics/deprecated-declaration>
/Users/admin/builder/spi-builder-workspace/Sources/mcp-stdio-swift/JSONLogHandler.swift:4:15: [1;33mwarning: [1;39mdeprecated default implementation is used to satisfy instance method 'log(event:)' required by protocol 'LogHandler': You should implement this method instead of using the default implementation[0;0m [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/deprecated-declaration\DeprecatedDeclaration]8;;\]
[0;36m2 |[0;0m import Logging
[0;36m3 |[0;0m
[0;36m4 |[0;0m public struct JSONLogHandler: LogHandler {
[0;36m|[0;0m `- [1;33mwarning: [1;39mdeprecated default implementation is used to satisfy instance method 'log(event:)' required by protocol 'LogHandler': You should implement this method instead of using the default implementation[0;0m [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/deprecated-declaration\DeprecatedDeclaration]8;;\]
[0;36m5 |[0;0m public var logLevel: Logger.Level = .info
[0;36m6 |[0;0m public var metadata: Logger.Metadata = [:]
Logging.LogHandler.log:3:15: [1;39mnote: [1;39m'log(event:)' declared here[0;0m
[0;36m1 |[0;0m protocol LogHandler {
[0;36m2 |[0;0m @available(*, deprecated, message: "You should implement this method instead of using the default implementation")
[0;36m3 |[0;0m public func log(event: Logging.LogEvent)}
[0;36m|[0;0m `- [1;39mnote: [1;39m'log(event:)' declared here[0;0m
[0;36m4 |[0;0m
Logging.LogHandler.log:2:6: [1;39mnote: [1;39mrequirement 'log(event:)' declared here[0;0m
[0;36m1 |[0;0m protocol LogHandler {
[0;36m2 |[0;0m func log(event: Logging.LogEvent)}
[0;36m|[0;0m `- [1;39mnote: [1;39mrequirement 'log(event:)' declared here[0;0m
[0;36m3 |[0;0m
[#DeprecatedDeclaration]: <https://docs.swift.org/compiler/documentation/diagnostics/deprecated-declaration>
Build complete.
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{
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Done.