Build Information
Failed to build MetalSprockets, reference main (43f62a), with Swift 6.2 for macOS (SPM) on 24 Apr 2026 19:54:11 UTC.
Build Command
env DEVELOPER_DIR=/Applications/Xcode-26.3.0.app xcrun swift build --arch arm64Build Log
========================================
RunAll
========================================
Builder version: 4.70.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/schwa/metalsprockets.git
Reference: main
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/schwa/metalsprockets
* branch main -> FETCH_HEAD
* [new branch] main -> origin/main
HEAD is now at 43f62ac Bind shader uniforms by name via reflection instead of hardcoded indices
Cloned https://github.com/schwa/metalsprockets.git
Revision (git rev-parse @):
43f62ac291fc3d1017a1b8f5af0ae926973e7de5
SPI manifest file found: $PWD/.spi.yml
SUCCESS checkout https://github.com/schwa/metalsprockets.git at main
========================================
Build
========================================
Selected platform: macosSpm
Swift version: 6.2
Building package at path: $PWD
https://github.com/schwa/metalsprockets.git
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-26.3.0.app xcrun swift build --arch arm64
[1/1] Compiling plugin Swift-DocC Preview
[2/2] Compiling plugin Swift-DocC
[3/3] Compiling plugin GenerateManual
[4/4] Compiling plugin GenerateDoccReference
[5/5] Compiling plugin MetalCompilerPlugin
Building for debugging...
[5/20] Write sources
[12/20] Compiling MetalSprocketsShaders MetalSprocketsShaders.m
[13/20] Write swift-version--3CB7CFEC50E0D141.txt
[15/42] Compiling InternalCollectionsUtilities UnsafeRawBufferPointer+Extras.swift
[16/42] Compiling InternalCollectionsUtilities _SortedCollection.swift
[17/43] Compiling InternalCollectionsUtilities _UniqueCollection.swift
[18/43] Emitting module InternalCollectionsUtilities
[19/43] Compiling InternalCollectionsUtilities Debugging.swift
[20/43] Compiling InternalCollectionsUtilities Descriptions.swift
[21/43] Compiling InternalCollectionsUtilities UnsafeMutableBufferPointer+Extras.swift
[22/43] Compiling InternalCollectionsUtilities UnsafeMutableRawBufferPointer+Extras.swift
[23/43] Compiling InternalCollectionsUtilities Span+Extras.swift
[24/43] Compiling InternalCollectionsUtilities String+Padding.swift
[25/43] Compiling InternalCollectionsUtilities LifetimeOverride.swift
[26/43] Compiling InternalCollectionsUtilities RandomAccessCollection+Offsets.swift
[27/43] Compiling InternalCollectionsUtilities _UnsafeBitSet+Index.swift
[28/43] Compiling InternalCollectionsUtilities _UnsafeBitSet+_Word.swift
[29/43] Compiling InternalCollectionsUtilities UInt+first and last set bit.swift
[30/43] Compiling InternalCollectionsUtilities UInt+reversed.swift
[31/43] Compiling InternalCollectionsUtilities _UnsafeBitSet.swift
[32/43] Compiling InternalCollectionsUtilities UnsafeBufferPointer+Extras.swift
[33/43] Compiling InternalCollectionsUtilities FixedWidthInteger+roundUpToPowerOfTwo.swift
[34/43] Compiling InternalCollectionsUtilities Integer rank.swift
error: error: cannot execute tool 'metal' due to missing Metal Toolchain; use: xcodebuild -downloadComponent MetalToolchain
[34/43] metal
Fetching https://github.com/schwa/GoldenImage
[1/194] Fetching goldenimage
Fetched https://github.com/schwa/GoldenImage from cache (0.79s)
Fetching https://github.com/schwa/MetalSupport
Fetching https://github.com/schwa/MetalCompilerPlugin
Fetching https://github.com/nalexn/ViewInspector
Fetching https://github.com/swiftlang/swift-syntax.git
Fetching https://github.com/swiftlang/swift-docc-plugin
Fetching https://github.com/apple/swift-argument-parser
Fetching https://github.com/schwa/GeometryLite3D
[1/326] Fetching metalcompilerplugin
[135/2603] Fetching metalcompilerplugin, swift-docc-plugin
[227/2875] Fetching metalcompilerplugin, swift-docc-plugin, geometrylite3d
[377/3355] Fetching metalcompilerplugin, swift-docc-plugin, geometrylite3d, metalsupport
[1307/20819] Fetching metalcompilerplugin, swift-docc-plugin, geometrylite3d, metalsupport, swift-argument-parser
[1308/33569] Fetching metalcompilerplugin, swift-docc-plugin, geometrylite3d, metalsupport, swift-argument-parser, viewinspector
[21911/108606] Fetching metalcompilerplugin, swift-docc-plugin, geometrylite3d, metalsupport, swift-argument-parser, viewinspector, swift-syntax
Fetched https://github.com/nalexn/ViewInspector from cache (1.62s)
[26072/95856] Fetching metalcompilerplugin, swift-docc-plugin, geometrylite3d, metalsupport, swift-argument-parser, swift-syntax
Fetched https://github.com/schwa/MetalCompilerPlugin from cache (1.62s)
Fetched https://github.com/schwa/MetalSupport from cache (1.62s)
[26016/95050] Fetching swift-docc-plugin, geometrylite3d, swift-argument-parser, swift-syntax
Fetched https://github.com/schwa/GeometryLite3D from cache (1.67s)
[26495/94778] Fetching swift-docc-plugin, swift-argument-parser, swift-syntax
Fetched https://github.com/swiftlang/swift-syntax.git from cache (5.14s)
Fetched https://github.com/swiftlang/swift-docc-plugin from cache (5.14s)
Fetched https://github.com/apple/swift-argument-parser from cache (5.14s)
Computing version for https://github.com/schwa/GeometryLite3D
Computed https://github.com/schwa/GeometryLite3D at 0.1.1 (5.69s)
Fetching https://github.com/apple/swift-numerics.git
[1/6416] Fetching swift-numerics
Fetched https://github.com/apple/swift-numerics.git from cache (1.21s)
Computing version for https://github.com/schwa/MetalSupport
Computed https://github.com/schwa/MetalSupport at 1.0.1 (1.82s)
Fetching https://github.com/apple/swift-collections.git
[1/23680] Fetching swift-collections
Fetched https://github.com/apple/swift-collections.git from cache (1.86s)
Computing version for https://github.com/apple/swift-numerics.git
Computed https://github.com/apple/swift-numerics.git at 1.1.1 (2.43s)
Computing version for https://github.com/schwa/MetalCompilerPlugin
Computed https://github.com/schwa/MetalCompilerPlugin at 0.1.6 (2.82s)
Computing version for https://github.com/apple/swift-collections.git
Computed https://github.com/apple/swift-collections.git at 1.4.1 (0.62s)
Computing version for https://github.com/nalexn/ViewInspector
Computed https://github.com/nalexn/ViewInspector at 0.10.3 (0.51s)
Computing version for https://github.com/apple/swift-argument-parser
Computed https://github.com/apple/swift-argument-parser at 1.7.1 (0.55s)
Computing version for https://github.com/swiftlang/swift-docc-plugin
Computed https://github.com/swiftlang/swift-docc-plugin at 1.4.6 (0.62s)
Fetching https://github.com/swiftlang/swift-docc-symbolkit
[1/3675] Fetching swift-docc-symbolkit
Fetched https://github.com/swiftlang/swift-docc-symbolkit from cache (1.23s)
Computing version for https://github.com/swiftlang/swift-docc-symbolkit
Computed https://github.com/swiftlang/swift-docc-symbolkit at 1.0.0 (1.92s)
Computing version for https://github.com/swiftlang/swift-syntax.git
Computed https://github.com/swiftlang/swift-syntax.git at 600.0.1 (0.72s)
Creating working copy for https://github.com/schwa/GoldenImage
Working copy of https://github.com/schwa/GoldenImage resolved at main (a0392a1)
Creating working copy for https://github.com/schwa/MetalSupport
Working copy of https://github.com/schwa/MetalSupport resolved at 1.0.1
Creating working copy for https://github.com/swiftlang/swift-syntax.git
Working copy of https://github.com/swiftlang/swift-syntax.git resolved at 600.0.1
Creating working copy for https://github.com/schwa/MetalCompilerPlugin
Working copy of https://github.com/schwa/MetalCompilerPlugin resolved at 0.1.6
Creating working copy for https://github.com/nalexn/ViewInspector
Working copy of https://github.com/nalexn/ViewInspector resolved at 0.10.3
Creating working copy for https://github.com/swiftlang/swift-docc-symbolkit
Working copy of https://github.com/swiftlang/swift-docc-symbolkit resolved at 1.0.0
Creating working copy for https://github.com/swiftlang/swift-docc-plugin
Working copy of https://github.com/swiftlang/swift-docc-plugin resolved at 1.4.6
Creating working copy for https://github.com/apple/swift-argument-parser
Working copy of https://github.com/apple/swift-argument-parser resolved at 1.7.1
Creating working copy for https://github.com/apple/swift-numerics.git
Working copy of https://github.com/apple/swift-numerics.git resolved at 1.1.1
Creating working copy for https://github.com/schwa/GeometryLite3D
Working copy of https://github.com/schwa/GeometryLite3D resolved at 0.1.1
Creating working copy for https://github.com/apple/swift-collections.git
Working copy of https://github.com/apple/swift-collections.git resolved at 1.4.1
Downloading package prebuilt https://download.swift.org/prebuilts/swift-syntax/600.0.1/swiftlang-6.2.4.1.4-MacroSupport-macos_aarch64.zip
Downloaded https://download.swift.org/prebuilts/swift-syntax/600.0.1/swiftlang-6.2.4.1.4-MacroSupport-macos_aarch64.zip (2.10s)
BUILD FAILURE 6.2 macosSpm