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Build Information

Successful build of AsyncChannels, reference main (0fed3c), with Swift 6.1 for macOS (SPM) on 27 Mar 2026 20:11:29 UTC.

Swift 6 data race errors: 0

Build Command

env DEVELOPER_DIR=/Applications/Xcode-16.3.0.app xcrun swift build --arch arm64 -Xswiftc -Xfrontend -Xswiftc -stats-output-dir -Xswiftc -Xfrontend -Xswiftc .stats

Build Log

========================================
RunAll
========================================
Builder version: 4.69.2
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/gh123man/Async-Channels.git
Reference: main
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/gh123man/Async-Channels
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at 0fed3c0 Improve benchmark harness and compare Swift 6.3 performance (#24)
Cloned https://github.com/gh123man/Async-Channels.git
Revision (git rev-parse @):
0fed3c0a90214bfd8cf129d091e648b1b516b6da
SUCCESS checkout https://github.com/gh123man/Async-Channels.git at main
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             6.1
Building package at path:  $PWD
https://github.com/gh123man/Async-Channels.git
https://github.com/gh123man/Async-Channels.git
{
  "dependencies" : [
    {
      "identity" : "swift-collections",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "1.1.0",
            "upper_bound" : "2.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/apple/swift-collections"
    }
  ],
  "manifest_display_name" : "AsyncChannels",
  "name" : "AsyncChannels",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "ios",
      "version" : "14.0"
    },
    {
      "name" : "macos",
      "version" : "10.15"
    }
  ],
  "products" : [
    {
      "name" : "AsyncChannels",
      "targets" : [
        "AsyncChannels"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "AsyncChannelsTests",
      "module_type" : "SwiftTarget",
      "name" : "AsyncChannelsTests",
      "path" : "Tests/AsyncChannelsTests",
      "sources" : [
        "BehaviorTests.swift",
        "ReadmeTests.swift",
        "TypeTests.swift"
      ],
      "target_dependencies" : [
        "AsyncChannels"
      ],
      "type" : "test"
    },
    {
      "c99name" : "AsyncChannels",
      "module_type" : "SwiftTarget",
      "name" : "AsyncChannels",
      "path" : "Sources/AsyncChannels",
      "product_dependencies" : [
        "Collections"
      ],
      "product_memberships" : [
        "AsyncChannels"
      ],
      "sources" : [
        "Channel+Extensions.swift",
        "Channel.swift",
        "ChannelInternal.swift",
        "FastLock.swift",
        "Select.swift",
        "Synchronization.swift",
        "ThrowingChannel+Extensions.swift",
        "ThrowingChannel.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "6.0"
}
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-16.3.0.app xcrun swift build --arch arm64 -Xswiftc -Xfrontend -Xswiftc -stats-output-dir -Xswiftc -Xfrontend -Xswiftc .stats
Building for debugging...
[0/11] Write sources
[10/11] Write swift-version-2F0A5646E1D333AE.txt
[12/30] Compiling InternalCollectionsUtilities UnsafeRawBufferPointer+Extras.swift
[13/30] Compiling InternalCollectionsUtilities _SortedCollection.swift
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[20/31] Compiling InternalCollectionsUtilities String+Padding.swift
[21/31] Compiling InternalCollectionsUtilities LifetimeOverride.swift
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[23/31] Compiling InternalCollectionsUtilities UInt+first and last set bit.swift
[24/31] Compiling InternalCollectionsUtilities UInt+reversed.swift
[25/31] Compiling InternalCollectionsUtilities _UnsafeBitSet+Index.swift
[26/31] Compiling InternalCollectionsUtilities _UnsafeBitSet+_Word.swift
[27/31] Compiling InternalCollectionsUtilities _UnsafeBitSet.swift
[28/31] Compiling InternalCollectionsUtilities UnsafeBufferPointer+Extras.swift
[29/31] Emitting module InternalCollectionsUtilities
[30/31] Compiling InternalCollectionsUtilities FixedWidthInteger+roundUpToPowerOfTwo.swift
[31/31] Compiling InternalCollectionsUtilities Integer rank.swift
[32/333] Compiling HashTreeCollections _AncestorHashSlots.swift
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[46/336] Emitting module ContainersPreview
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[70/343] Compiling HashTreeCollections _HashNode+Primitive Replacement.swift
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[163/404] Compiling DequeModule Deque+Testing.swift
[164/404] Compiling DequeModule RigidDeque+Equatable.swift
[165/404] Compiling DequeModule RigidDeque+Experimental.swift
[177/404] Compiling BitCollections BitSet._UnsafeHandle.swift
[184/404] Compiling _RopeModule BigString+Split.swift
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[187/404] Compiling _RopeModule Rope+Invariants.swift
[188/404] Compiling _RopeModule Rope+_Node.swift
[189/404] Compiling _RopeModule Rope+_Storage.swift
[190/404] Compiling _RopeModule Rope+_UnmanagedLeaf.swift
[191/404] Compiling _RopeModule Rope+_UnsafeHandle.swift
[194/404] Compiling BitCollections BitSet.swift
[195/404] Compiling BitCollections Range+Utilities.swift
[196/404] Compiling BitCollections Slice+Utilities.swift
[197/404] Compiling BitCollections UInt+Tricks.swift
[198/404] Compiling BitCollections _Word.swift
[199/404] Compiling OrderedCollections _UnsafeBitset.swift
[200/404] Compiling _RopeModule Rope.swift
[201/404] Compiling _RopeModule RopeElement.swift
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[203/404] Compiling _RopeModule Rope+RemoveSubrange.swift
[204/404] Compiling _RopeModule Rope+Split.swift
[205/404] Compiling _RopeModule Optional Utilities.swift
[206/404] Compiling _RopeModule String Utilities.swift
[207/404] Compiling _RopeModule String.Index+ABI.swift
[213/404] Compiling DequeModule UniqueDeque+Hashable.swift
[235/408] Emitting module BitCollections
[236/408] Compiling HashTreeCollections TreeSet+SetAlgebra isStrictSuperset.swift
[237/408] Compiling HashTreeCollections TreeSet+SetAlgebra isSubset.swift
[238/408] Compiling HashTreeCollections TreeSet+SetAlgebra isSuperset.swift
[239/408] Compiling HashTreeCollections TreeSet+SetAlgebra subtract.swift
[240/408] Compiling HashTreeCollections TreeSet+SetAlgebra subtracting.swift
[241/408] Compiling HashTreeCollections TreeSet+SetAlgebra symmetricDifference.swift
[242/408] Compiling HashTreeCollections TreeSet+SetAlgebra union.swift
[243/408] Compiling HashTreeCollections TreeSet.swift
[325/408] Compiling DequeModule UniqueDeque.swift
[326/408] Compiling DequeModule _DequeSlot.swift
[327/408] Compiling DequeModule _UnsafeDequeHandle.swift
[328/408] Compiling DequeModule _UnsafeDequeSegments.swift
[383/408] Emitting module _RopeModule
[384/408] Emitting module OrderedCollections
[403/408] Emitting module DequeModule
[408/408] Emitting module HashTreeCollections
[409/414] Compiling Collections HeapModule reexports.swift
[410/414] Compiling Collections OrderedCollections reexports.swift
[411/414] Compiling Collections HashTreeCollections reexports.swift
[412/414] Compiling Collections BitCollections reexports.swift
[413/414] Emitting module Collections
[414/414] Compiling Collections DequeModule reexports.swift
[415/423] Compiling AsyncChannels ThrowingChannel+Extensions.swift
[416/423] Compiling AsyncChannels ThrowingChannel.swift
[417/423] Compiling AsyncChannels Synchronization.swift
[418/423] Compiling AsyncChannels Channel.swift
[419/423] Compiling AsyncChannels Select.swift
[420/423] Compiling AsyncChannels ChannelInternal.swift
[421/423] Emitting module AsyncChannels
[422/423] Compiling AsyncChannels FastLock.swift
[423/423] Compiling AsyncChannels Channel+Extensions.swift
Build complete! (12.36s)
Fetching https://github.com/apple/swift-collections from cache
Fetched https://github.com/apple/swift-collections from cache (1.40s)
Computing version for https://github.com/apple/swift-collections
Computed https://github.com/apple/swift-collections at 1.4.1 (2.05s)
Creating working copy for https://github.com/apple/swift-collections
Working copy of https://github.com/apple/swift-collections resolved at 1.4.1
Build complete.
{
  "dependencies" : [
    {
      "identity" : "swift-collections",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "1.1.0",
            "upper_bound" : "2.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/apple/swift-collections"
    }
  ],
  "manifest_display_name" : "AsyncChannels",
  "name" : "AsyncChannels",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "ios",
      "version" : "14.0"
    },
    {
      "name" : "macos",
      "version" : "10.15"
    }
  ],
  "products" : [
    {
      "name" : "AsyncChannels",
      "targets" : [
        "AsyncChannels"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "AsyncChannelsTests",
      "module_type" : "SwiftTarget",
      "name" : "AsyncChannelsTests",
      "path" : "Tests/AsyncChannelsTests",
      "sources" : [
        "BehaviorTests.swift",
        "ReadmeTests.swift",
        "TypeTests.swift"
      ],
      "target_dependencies" : [
        "AsyncChannels"
      ],
      "type" : "test"
    },
    {
      "c99name" : "AsyncChannels",
      "module_type" : "SwiftTarget",
      "name" : "AsyncChannels",
      "path" : "Sources/AsyncChannels",
      "product_dependencies" : [
        "Collections"
      ],
      "product_memberships" : [
        "AsyncChannels"
      ],
      "sources" : [
        "Channel+Extensions.swift",
        "Channel.swift",
        "ChannelInternal.swift",
        "FastLock.swift",
        "Select.swift",
        "Synchronization.swift",
        "ThrowingChannel+Extensions.swift",
        "ThrowingChannel.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "6.0"
}
Done.