Swift Package Index

Build Information

Failed to build Bulk, reference 1.2.3 (e19f2a), with Swift 6.4 for macOS (SPM) on 22 Sep 2026 11:24:58 UTC.

Build Command

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

Build Log

========================================
RunAll
========================================
Builder version: 5.1.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/FluidGroup/Bulk.git
Reference: 1.2.3
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/FluidGroup/Bulk
 * tag               1.2.3      -> FETCH_HEAD
HEAD is now at e19f2a5 Fix concurrency error (#22)
Cloned https://github.com/FluidGroup/Bulk.git
Revision (git rev-parse @):
e19f2a5c66058cdd080e9d8314766f25949450a3
SUCCESS checkout https://github.com/FluidGroup/Bulk.git at 1.2.3
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             6.4
Building package at path:  $PWD
https://github.com/FluidGroup/Bulk.git
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-27.0.0-Release.Candidate.app xcrun swift build --arch arm64
Building for debugging...
[Pre-planning 1 / 124]
[Planning deferred tasks]
[26 / 44]
[27 / 45] Bulk
[37 / 90]
[42 / 90]
[45 / 90]
[46 / 90]
[50 / 90]
[52 / 90]
[55 / 90]
[58 / 90]
[60 / 90]
[61 / 90]
[72 / 90] Bulk
error: SwiftCompile normal arm64 failed with a nonzero exit code. Command line:     cd /Users/admin/builder

/Users/admin/builder/spi-builder-workspace/Sources/Bulk/Core/BulkBufferTimer.swift:5:25: error: 'Duration' is only available in macOS 13.0 or newer
 1 | import Foundation
 2 |
 3 | public final class BulkBufferTimer {
   |                    `- note: add '@available' attribute to enclosing class
 4 |
 5 |   private var interval: Duration
   |                         `- error: 'Duration' is only available in macOS 13.0 or newer
 6 |
 7 |   private var onTimeout: (isolated (any Actor)?) async -> Void
/Users/admin/builder/spi-builder-workspace/Sources/Bulk/Core/BulkBufferTimer.swift:11:15: error: 'Duration' is only available in macOS 13.0 or newer
 1 | import Foundation
 2 |
 3 | public final class BulkBufferTimer {
   |                    `- note: add '@available' attribute to enclosing class
 4 |
 5 |   private var interval: Duration
   :
 8 |   private var item: Task<(), Never>?
 9 |
10 |   public init(
   |          `- note: add '@available' attribute to enclosing initializer
11 |     interval: Duration,
   |               `- error: 'Duration' is only available in macOS 13.0 or newer
12 |     onTimeout: @escaping @Sendable () async -> Void
13 |   ) {
/Users/admin/builder/spi-builder-workspace/Sources/Bulk/Core/BulkSink.swift:13:15: error: runtime support for parameterized protocol types is only available in macOS 13.0.0 or newer
 7 | }
 8 |
 9 | public actor BulkSink<B: Buffer>: BulkSinkType {
   |              `- note: add '@available' attribute to enclosing generic actor
10 |
11 |   public typealias Element = B.Element
12 |
13 |   private let targets: [any TargetType<Element>]
   |               `- error: runtime support for parameterized protocol types is only available in macOS 13.0.0 or newer
14 |
15 |   private let timer: BulkBufferTimer
/Users/admin/builder/spi-builder-workspace/Sources/Bulk/Core/BulkSink.swift:21:22: error: 'Duration' is only available in macOS 13.0 or newer
 7 | }
 8 |
 9 | public actor BulkSink<B: Buffer>: BulkSinkType {
   |              `- note: add '@available' attribute to enclosing generic actor
10 |
11 |   public typealias Element = B.Element
   :
17 |   private let buffer: B
18 |
19 |   public init(
   |          `- note: add '@available' attribute to enclosing initializer
20 |     buffer: B,
21 |     debounceDueTime: Duration = .seconds(1),
   |                      `- error: 'Duration' is only available in macOS 13.0 or newer
22 |     targets: sending [any TargetType<Element>]
23 |   ) {
/Users/admin/builder/spi-builder-workspace/Sources/Bulk/Core/BulkSink.swift:19:10: error: runtime support for parameterized protocol types is only available in macOS 13.0.0 or newer
 7 | }
 8 |
 9 | public actor BulkSink<B: Buffer>: BulkSinkType {
   |              `- note: add '@available' attribute to enclosing generic actor
10 |
11 |   public typealias Element = B.Element
   :
17 |   private let buffer: B
18 |
19 |   public init(
   |          |- error: runtime support for parameterized protocol types is only available in macOS 13.0.0 or newer
   |          `- note: add '@available' attribute to enclosing initializer
20 |     buffer: B,
21 |     debounceDueTime: Duration = .seconds(1),
/Users/admin/builder/spi-builder-workspace/Sources/Bulk/Core/BulkSink.swift:21:34: error: 'seconds' is only available in macOS 13.0 or newer
 7 | }
 8 |
 9 | public actor BulkSink<B: Buffer>: BulkSinkType {
   |              `- note: add '@available' attribute to enclosing generic actor
10 |
11 |   public typealias Element = B.Element
   :
17 |   private let buffer: B
18 |
19 |   public init(
   |          `- note: add '@available' attribute to enclosing initializer
20 |     buffer: B,
21 |     debounceDueTime: Duration = .seconds(1),
   |                                  `- error: 'seconds' is only available in macOS 13.0 or newer
22 |     targets: sending [any TargetType<Element>]
23 |   ) {
/Users/admin/builder/spi-builder-workspace/Sources/Bulk/Core/BulkSink.swift:32:21: warning: capture of non-Sendable type 'B.Type' in an isolated closure [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/sendable-metatypes\SendableMetatypes]8;;\]
30 |
31 |     self.timer = BulkBufferTimer(interval: debounceDueTime) {
32 |       await instance?.flush()
   |                     `- warning: capture of non-Sendable type 'B.Type' in an isolated closure [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/sendable-metatypes\SendableMetatypes]8;;\]
33 |     }
34 |
/Users/admin/builder/spi-builder-workspace/Sources/Bulk/Core/BulkSink.swift:32:23: warning: conformance of 'B' to protocol 'Buffer' may be isolated and cannot be passed to actor-isolated context [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/isolated-conformances\IsolatedConformances]8;;\]
30 |
31 |     self.timer = BulkBufferTimer(interval: debounceDueTime) {
32 |       await instance?.flush()
   |                       `- warning: conformance of 'B' to protocol 'Buffer' may be isolated and cannot be passed to actor-isolated context [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/isolated-conformances\IsolatedConformances]8;;\]
33 |     }
34 |
/Users/admin/builder/spi-builder-workspace/Sources/Bulk/Core/TargetUmbrella.swift:28:10: error: runtime support for parameterized protocol types is only available in macOS 13.0.0 or newer
22 | import Foundation
23 |
24 | public struct TargetUmbrella<Element>: TargetType {
   |               `- note: add '@available' attribute to enclosing generic struct
25 |
26 |   private let _write: ([Element]) -> Void
27 |
28 |   public init<U>(
   |          |- error: runtime support for parameterized protocol types is only available in macOS 13.0.0 or newer
   |          `- note: add '@available' attribute to enclosing initializer
29 |     filter: @escaping (Element) -> Bool = { _ in true },
30 |     transform: @escaping (Element) -> U,
[#IsolatedConformances]: <https://docs.swift.org/compiler/documentation/diagnostics/isolated-conformances>
[#SendableMetatypes]: <https://docs.swift.org/compiler/documentation/diagnostics/sendable-metatypes>
Failed frontend command:
/Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swift-frontend -frontend -emit-module -experimental-skip-non-inlinable-function-bodies-without-types /Users/admin/builder/spi-builder-workspace/Sources/Bulk/Buffers/Buffer.swift /Users/admin/builder/spi-builder-workspace/Sources/Bulk/Buffers/FileBuffer.swift /Users/admin/builder/spi-builder-workspace/Sources/Bulk/Buffers/MemoryBuffer.swift /Users/admin/builder/spi-builder-workspace/Sources/Bulk/Buffers/PassthroughBuffer.swift /Users/admin/builder/spi-builder-workspace/Sources/Bulk/Buffers/SerializerType.swift /Users/admin/builder/spi-builder-workspace/Sources/Bulk/Core/BulkBufferTimer.swift /Users/admin/builder/spi-builder-workspace/Sources/Bulk/Core/BulkSink.swift /Users/admin/builder/spi-builder-workspace/Sources/Bulk/Core/CombineBulkSink.swift /Users/admin/builder/spi-builder-workspace/Sources/Bulk/Core/Target.swift /Users/admin/builder/spi-builder-workspace/Sources/Bulk/Core/TargetUmbrella.swift /Users/admin/builder/spi-builder-workspace/Sources/Bulk/Serializer/CodableSerializer.swift -target arm64-apple-macos12.0 -disable-cross-import-overlay-search -load-resolved-plugin /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/lib/swift/host/plugins/libFoundationMacros.dylib\#/Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/bin/swift-plugin-server\#FoundationMacros -load-resolved-plugin /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/lib/swift/host/plugins/libObservationMacros.dylib\#/Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/bin/swift-plugin-server\#ObservationMacros -load-resolved-plugin /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/lib/swift/host/plugins/libSwiftMacros.dylib\#/Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/bin/swift-plugin-server\#SwiftMacros -disable-implicit-swift-modules -Xcc -fno-implicit-modules -Xcc -fno-implicit-module-maps -explicit-swift-module-map-file /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/Bulk.build/Debug/Bulk-t.build/Objects-normal/arm64/Bulk-dependencies-1.json -Xllvm -aarch64-use-tbi -enable-objc-interop -stack-check -sdk /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX27.0.sdk -I /Users/admin/builder/spi-builder-workspace/.build/out/Products/Debug -Isystem /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/lib -F /Users/admin/builder/spi-builder-workspace/.build/out/Products/Debug -F /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/Library/Frameworks -module-cache-path /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/SwiftExplicitPrecompiledModules -color-diagnostics -Xcc -fcolor-diagnostics -enable-testing -g -debug-info-format\=dwarf -dwarf-version\=4 -swift-version 6 -Onone -D SWIFT_PACKAGE -D DEBUG -D SWIFT_MODULE_RESOURCE_BUNDLE_UNAVAILABLE -D Xcode -serialize-debugging-options -enable-experimental-feature DebugDescriptionMacro -empty-abi-descriptor -validate-clang-modules-once -clang-build-session-file /Users/admin/builder/spi-builder-workspace/.build/out/ModuleCache.noindex/Session.modulevalidation -Xcc -working-directory -Xcc /Users/admin/builder -enable-anonymous-context-mangled-names -file-compilation-dir /Users/admin/builder -Xcc -D_LIBCPP_HARDENING_MODE\=_LIBCPP_HARDENING_MODE_DEBUG -Xcc -ivfsstatcache -Xcc /Users/admin/builder/spi-builder-workspace/.build/out/SDKStatCaches.noindex/macosx27.0-26A425-80c5bbf1d171475443272936d42f90a36a22442a12e9d48fe1a705f55a1adfc4.sdkstatcache -Xcc -fmodules-prune-interval\=86400 -Xcc -fmodules-prune-after\=345600 -Xcc -I/Users/admin/builder/spi-builder-workspace/.build/out/Products/Debug/include -Xcc -I/Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/Bulk.build/Debug/Bulk-t.build/DerivedSources-normal/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/Bulk.build/Debug/Bulk-t.build/DerivedSources/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/Bulk.build/Debug/Bulk-t.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG\=1 -no-auto-bridging-header-chaining -module-name Bulk -package-name spi_builder_workspace -const-gather-protocols-file /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/Bulk.build/Debug/Bulk-t.build/Objects-normal/arm64/Bulk_const_extract_protocols.json -disable-clang-spi -clang-target arm64-apple-macos27.0 -target-sdk-version 27.0 -target-sdk-name macosx27.0 -in-process-plugin-server-path /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/libSwiftInProcPluginServer.dylib -emit-module-doc-path /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/Bulk.build/Debug/Bulk-t.build/Objects-normal/arm64/Bulk.swiftdoc -emit-module-source-info-path /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/Bulk.build/Debug/Bulk-t.build/Objects-normal/arm64/Bulk.swiftsourceinfo -emit-objc-header-path /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/Bulk.build/Debug/Bulk-t.build/Objects-normal/arm64/Bulk-Swift.h -serialize-diagnostics-path /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/Bulk.build/Debug/Bulk-t.build/Objects-normal/arm64/Bulk-primary-emit-module.dia -emit-dependencies-path /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/Bulk.build/Debug/Bulk-t.build/Objects-normal/arm64/Bulk-primary-emit-module.d -parse-as-library -o /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/Bulk.build/Debug/Bulk-t.build/Objects-normal/arm64/Bulk.swiftmodule -emit-abi-descriptor-path /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/Bulk.build/Debug/Bulk-t.build/Objects-normal/arm64/Bulk.abi.json
error: Build failed
BUILD FAILURE 6.4 macosSpm