swift-profile-recorder – Build Information

Build Information

Successful build of swift-profile-recorder, reference 0.3.18 (e110ba), with Swift 6.4 for macOS (SPM) on 26 Sep 2026 01:05:10 UTC.

Swift 6 data race errors: 0

Build Command

env DEVELOPER_DIR=/Applications/Xcode-27.0.0-Release.Candidate.app xcrun swift build --arch arm64

Build Log

========================================
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: 0.3.18
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/apple/swift-profile-recorder
 * tag               0.3.18     -> FETCH_HEAD
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 0.3.18
========================================
Build
========================================
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...
[Computing dependencies]
[Constructing description]
[Pre-planning 1 / 1486]
[Planning deferred tasks]
[Starting]
[266 / 581] SwiftProtobuf_SwiftProtobuf
[282 / 581]
[297 / 590] _AtomicsShims
[301 / 614] CProfileRecorderSampler
[309 / 658] InternalCollectionsUtilities
[320 / 695]
[348 / 707]
[363 / 707]
[368 / 708] SwiftProtobuf
[375 / 736]
[389 / 736]
[399 / 736] CProfileRecorderSampler
[412 / 736] CNIOLinux
[426 / 755] CNIOLLHTTP
[445 / 758]
[458 / 771]
[465 / 771]
[470 / 771]
[489 / 771]
[498 / 771] NIOConcurrencyHelpers
[517 / 771] CNIOAtomics
[523 / 771]
[528 / 771] SystemPackage
[530 / 771]
[532 / 771] SystemPackage
[540 / 771] _NIODataStructures
[544 / 771] SystemPackage
[548 / 771] NIOConcurrencyHelpers
[549 / 771]
[553 / 771] NIOConcurrencyHelpers
[555 / 771] Logging
[558 / 771] Logging-product
[563 / 771] NIOConcurrencyHelpers
[567 / 771] Atomics-product
[574 / 772]
[584 / 777] SpanPreview
[594 / 777] Atomics
[597 / 777] SystemPackage
[600 / 790] SwiftProtobuf
[601 / 790]
[604 / 790] SwiftProtobuf
[615 / 790] SwiftProtobuf-product
[624 / 790] SpanPreview
[626 / 790] ArgumentParser
[627 / 790] ArgumentParser-product
[629 / 790] ArgumentParser-product
[632 / 791]
[636 / 802] DequeModule
[638 / 802] DequeModule
[640 / 802] DequeModule
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[643 / 802] ArgumentParser
[645 / 802] DequeModule
[647 / 802] DequeModule
[657 / 804] NIOCore
[668 / 827] Configuration
[672 / 827] SwiftProtobuf
[673 / 827] SwiftProtobuf
[678 / 827] Configuration
[685 / 827] Configuration-product
[688 / 827] Configuration
[688 / 827]
[688 / 827] Configuration
[688 / 827] NIOCore
[688 / 827] Configuration
[690 / 827] NIOCore
[701 / 830] NIOEmbedded
[705 / 834] NIOFoundationEssentialsCompat
[712 / 853]
[733 / 853] NIOPosix
[734 / 853] NIOPosix
[736 / 853] NIOPosix
[740 / 853] NIOPosix
[748 / 855] NIOPosix
[748 / 855] NIO
[759 / 868] NIO
[760 / 868] NIO
[766 / 868] _NIOFileSystem
[767 / 868] _NIOFileSystem
[776 / 870]
[777 / 871]
[778 / 883]
[785 / 887] NIOFoundationCompat
[786 / 889] NIOFileSystem
[792 / 889] NIOHTTP1
[806 / 889] NIOFileSystem
[811 / 889] NIOHTTP1-product
[817 / 893] NIOFileSystem
[828 / 895] _NIOFileSystem
[834 / 906] NIOExtras
[836 / 906] NIOHTTP1
[842 / 941]
[854 / 941] NIOExtras
[858 / 941] NIOExtras
[865 / 941] NIOFoundationCompat
[865 / 941] NIOExtras
[866 / 941] _NIOFileSystem
[871 / 941] ProfileRecorderHelpers
[876 / 941]
[878 / 941]
[880 / 941]
[882 / 941]
[885 / 941]
[887 / 941]
[888 / 941]
[892 / 941] ProfileRecorder
[905 / 942] ProfileRecorder
[910 / 942] ProfileRecorderPprofFormat
[910 / 942] _ProfileRecorderSampleConversion
[924 / 956] _ProfileRecorderSampleConversion
[934 / 958] ProfileRecorderServer
[938 / 968]
[953 / 969]
[954 / 969] swipr-sample-conv-product
[957 / 971] swipr-mini-demo-product
[960 / 971] _ProfileRecorderSampleConversion
[963 / 971] ProfileRecorderServer
[967 / 971] ProfileRecorderServer-product
[967 / 971] swipr-sample-conv-product
[969 / 971] swipr-mini-demo-product
Build complete! (28.27 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.