Swift Package IndexBuild Information
Successful build of swift-profile-recorder, reference main (e110ba), with Swift 6.4 for macOS (SPM) on 26 Sep 2026 01:04:26 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/apple/swift-profile-recorder.git
Reference: main
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/apple/swift-profile-recorder
* branch main -> FETCH_HEAD
* [new branch] main -> origin/main
HEAD is now at e110ba8 Fixed Static Linux SDK build by importing Musl instead of Glibc when applicable (#65)
Cloned https://github.com/apple/swift-profile-recorder.git
Revision (git rev-parse @):
e110ba85da7d43a47b0e964726e84fddcf720192
SPI manifest file found: $PWD/.spi.yml
SUCCESS checkout https://github.com/apple/swift-profile-recorder.git at main
========================================
Build
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Selected platform: macosSpm
Swift version: 6.4
Building package at path: $PWD
https://github.com/apple/swift-profile-recorder.git
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-27.0.0-Release.Candidate.app xcrun swift build --arch arm64
Building for debugging...
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Build complete! (25.40 sec)
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/Users/admin/builder/spi-builder-workspace/Sources/ProfileRecorder/ProfileRecorderSampler.swift:25:22: [1;33mwarning: [1;39msafely use '@_implementationOnly' without library evolution by setting '-enable-experimental-feature CheckImplementationOnly' for 'ProfileRecorder'[0;0m [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/implementation-only-deprecated\ImplementationOnlyDeprecated]8;;\]
[0;36m23 |[0;0m import Dispatch
[0;36m24 |[0;0m #if canImport(CProfileRecorderSampler) // only on macOS & Linux
[0;36m25 |[0;0m @_implementationOnly import CProfileRecorderSampler
[0;36m|[0;0m `- [1;33mwarning: [1;39msafely use '@_implementationOnly' without library evolution by setting '-enable-experimental-feature CheckImplementationOnly' for 'ProfileRecorder'[0;0m [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/implementation-only-deprecated\ImplementationOnlyDeprecated]8;;\]
[0;36m26 |[0;0m #endif
[0;36m27 |[0;0m
[#ImplementationOnlyDeprecated]: <https://docs.swift.org/compiler/documentation/diagnostics/implementation-only-deprecated>
/Users/admin/builder/spi-builder-workspace/Sources/ProfileRecorder/ProfileRecorderSampler.swift:25:22: [1;33mwarning: [1;39msafely use '@_implementationOnly' without library evolution by setting '-enable-experimental-feature CheckImplementationOnly' for 'ProfileRecorder'[0;0m [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/implementation-only-deprecated\ImplementationOnlyDeprecated]8;;\]
[0;36m23 |[0;0m import Dispatch
[0;36m24 |[0;0m #if canImport(CProfileRecorderSampler) // only on macOS & Linux
[0;36m25 |[0;0m @_implementationOnly import CProfileRecorderSampler
[0;36m|[0;0m `- [1;33mwarning: [1;39msafely use '@_implementationOnly' without library evolution by setting '-enable-experimental-feature CheckImplementationOnly' for 'ProfileRecorder'[0;0m [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/implementation-only-deprecated\ImplementationOnlyDeprecated]8;;\]
[0;36m26 |[0;0m #endif
[0;36m27 |[0;0m
[#ImplementationOnlyDeprecated]: <https://docs.swift.org/compiler/documentation/diagnostics/implementation-only-deprecated>
/Users/admin/builder/spi-builder-workspace/Sources/ProfileRecorderSampleConversion/NativeELFSymboliser/Elf.swift:247:5: [1;33mwarning: [1;39mlet 'SWIPR_elf_hash' is not concurrency-safe because non-'Sendable' type '(UnsafePointer<UInt8>?) -> UInt' may have shared mutable state; this is an error in the Swift 6 language mode[0;0m [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/mutable-global-variable\MutableGlobalVariable]8;;\]
[0;36m245 |[0;0m typealias SWIPR_Elf64_Hash = CProfileRecorderSwiftELF.SWIPR_Elf64_Hash
[0;36m246 |[0;0m
[0;36m247 |[0;0m let SWIPR_elf_hash = CProfileRecorderSwiftELF.SWIPR_elf_hash
[0;36m|[0;0m `- [1;33mwarning: [1;39mlet 'SWIPR_elf_hash' is not concurrency-safe because non-'Sendable' type '(UnsafePointer<UInt8>?) -> UInt' may have shared mutable state; this is an error in the Swift 6 language mode[0;0m [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/mutable-global-variable\MutableGlobalVariable]8;;\]
[0;36m248 |[0;0m
[0;36m249 |[0;0m // .. Utilities ................................................................
<unknown>:0: [1;39mnote: [1;39ma function type must be marked '@Sendable' to conform to 'Sendable'[0;0m
/Users/admin/builder/spi-builder-workspace/Sources/ProfileRecorderSampleConversion/NativeELFSymboliser/Elf.swift:247:5: [1;39mnote: [1;39madd '@MainActor' to make let 'SWIPR_elf_hash' part of global actor 'MainActor'[0;0m
[0;36m245 |[0;0m typealias SWIPR_Elf64_Hash = CProfileRecorderSwiftELF.SWIPR_Elf64_Hash
[0;36m246 |[0;0m
[0;36m247 |[0;0m let SWIPR_elf_hash = CProfileRecorderSwiftELF.SWIPR_elf_hash
[0;36m|[0;0m |- [1;39mnote: [1;39madd '@MainActor' to make let 'SWIPR_elf_hash' part of global actor 'MainActor'[0;0m
[0;36m|[0;0m `- [1;39mnote: [1;39mdisable concurrency-safety checks if accesses are protected by an external synchronization mechanism[0;0m
[0;36m248 |[0;0m
[0;36m249 |[0;0m // .. Utilities ................................................................
[#MutableGlobalVariable]: <https://docs.swift.org/compiler/documentation/diagnostics/mutable-global-variable>
/Users/admin/builder/spi-builder-workspace/Sources/ProfileRecorderSampleConversion/NativeELFSymboliser/Elf.swift:247:5: [1;33mwarning: [1;39mlet 'SWIPR_elf_hash' is not concurrency-safe because non-'Sendable' type '(UnsafePointer<UInt8>?) -> UInt' may have shared mutable state; this is an error in the Swift 6 language mode[0;0m [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/mutable-global-variable\MutableGlobalVariable]8;;\]
[0;36m245 |[0;0m typealias SWIPR_Elf64_Hash = CProfileRecorderSwiftELF.SWIPR_Elf64_Hash
[0;36m246 |[0;0m
[0;36m247 |[0;0m let SWIPR_elf_hash = CProfileRecorderSwiftELF.SWIPR_elf_hash
[0;36m|[0;0m `- [1;33mwarning: [1;39mlet 'SWIPR_elf_hash' is not concurrency-safe because non-'Sendable' type '(UnsafePointer<UInt8>?) -> UInt' may have shared mutable state; this is an error in the Swift 6 language mode[0;0m [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/mutable-global-variable\MutableGlobalVariable]8;;\]
[0;36m248 |[0;0m
[0;36m249 |[0;0m // .. Utilities ................................................................
<unknown>:0: [1;39mnote: [1;39ma function type must be marked '@Sendable' to conform to 'Sendable'[0;0m
/Users/admin/builder/spi-builder-workspace/Sources/ProfileRecorderSampleConversion/NativeELFSymboliser/Elf.swift:247:5: [1;39mnote: [1;39madd '@MainActor' to make let 'SWIPR_elf_hash' part of global actor 'MainActor'[0;0m
[0;36m245 |[0;0m typealias SWIPR_Elf64_Hash = CProfileRecorderSwiftELF.SWIPR_Elf64_Hash
[0;36m246 |[0;0m
[0;36m247 |[0;0m let SWIPR_elf_hash = CProfileRecorderSwiftELF.SWIPR_elf_hash
[0;36m|[0;0m |- [1;39mnote: [1;39madd '@MainActor' to make let 'SWIPR_elf_hash' part of global actor 'MainActor'[0;0m
[0;36m|[0;0m `- [1;39mnote: [1;39mdisable concurrency-safety checks if accesses are protected by an external synchronization mechanism[0;0m
[0;36m248 |[0;0m
[0;36m249 |[0;0m // .. Utilities ................................................................
/Users/admin/builder/spi-builder-workspace/Sources/ProfileRecorderSampleConversion/NativeELFSymboliser/Elf.swift:1672:11: [1;33mwarning: [1;39minitialization of immutable value 'zname' was never used; consider replacing with assignment to '_' or removing it[0;0m [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/no-usage\NoUsage]8;;\]
[0;36m1670 |[0;0m func getSection(_ name: String, debug: Bool = false) -> ImageSource? {
[0;36m1671 |[0;0m if let sectionHeaders = sectionHeaders {
[0;36m1672 |[0;0m let zname = ".z" + name.dropFirst()
[0;36m|[0;0m `- [1;33mwarning: [1;39minitialization of immutable value 'zname' was never used; consider replacing with assignment to '_' or removing it[0;0m [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/no-usage\NoUsage]8;;\]
[0;36m1673 |[0;0m let stringShdr = sectionHeaders[Int(header.e_shstrndx)]
[0;36m1674 |[0;0m do {
[#MutableGlobalVariable]: <https://docs.swift.org/compiler/documentation/diagnostics/mutable-global-variable>
[#NoUsage]: <https://docs.swift.org/compiler/documentation/diagnostics/no-usage>
/Users/admin/builder/spi-builder-workspace/Sources/ProfileRecorderServer/Server.swift:411:48: [1;33mwarning: [1;39mvalue 'remoteAddress' was defined but never used; consider replacing with boolean test[0;0m [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/no-usage\NoUsage]8;;\]
[0;36m409 |[0;0m childGroup.addTask {
[0;36m410 |[0;0m var logger = logger
[0;36m411 |[0;0m if let remoteAddress = child.channel.remoteAddress {
[0;36m|[0;0m `- [1;33mwarning: [1;39mvalue 'remoteAddress' was defined but never used; consider replacing with boolean test[0;0m [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/no-usage\NoUsage]8;;\]
[0;36m412 |[0;0m logger[metadataKey: "peer"] = "\(child.channel.remoteAddress!)"
[0;36m413 |[0;0m }
[#NoUsage]: <https://docs.swift.org/compiler/documentation/diagnostics/no-usage>
Build complete.
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Done.