Swift Package IndexBuild Information
Failed to build mlx-swift, reference main (09051e), with Swift 6.3 for Linux on 16 Oct 2026 02:53:51 UTC.
Build Command
bash -c docker run --pull=always --rm -v "checkouts-54344843-0":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/saguaro1/spi-images:linux-6.3-latest swift build --triple x86_64-unknown-linux-gnu 2>&1Build Log
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RunAll
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Builder version: 5.1.3
Interrupt handler set up.
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Checkout
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Clone URL: https://github.com/drewster99/mlx-swift.git
Reference: main
Initialized empty Git repository in /host/spi-builder-workspace/.git/
hint: Using 'master' as the name for the initial branch. This default branch name
hint: is subject to change. To configure the initial branch name to use in all
hint: of your new repositories, which will suppress this warning, call:
hint:
hint: git config --global init.defaultBranch <name>
hint:
hint: Names commonly chosen instead of 'master' are 'main', 'trunk' and
hint: 'development'. The just-created branch can be renamed via this command:
hint:
hint: git branch -m <name>
From https://github.com/drewster99/mlx-swift
* branch main -> FETCH_HEAD
* [new branch] main -> origin/main
HEAD is now at 09051ed Add global scale support to quantized layers (#426)
Submodule path 'Source/Cmlx/mlx': checked out 'ce45c52505c8158ea48d2a54e8caae05efd86bfe'
Submodule path 'Source/Cmlx/mlx-c': checked out '0726ca922fc902c4c61ef9c27d94132be418e945'
Submodule 'submodules/mlx' (https://github.com/ml-explore/mlx) registered for path 'Source/Cmlx/mlx'
Submodule 'submodules/mlx-c' (https://github.com/ml-explore/mlx-c) registered for path 'Source/Cmlx/mlx-c'
Cloning into '/host/spi-builder-workspace/Source/Cmlx/mlx'...
Cloning into '/host/spi-builder-workspace/Source/Cmlx/mlx-c'...
Cloned https://github.com/drewster99/mlx-swift.git
Revision (git rev-parse @):
09051ed1986b6f2c69b6fda4e32ca42dd7dcdec3
SPI manifest file found: $PWD/.spi.yml
SUCCESS checkout https://github.com/drewster99/mlx-swift.git at main
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Build
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Selected platform: linux
Swift version: 6.3
Building package at path: $PWD
https://github.com/drewster99/mlx-swift.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-54344843-0":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/saguaro1/spi-images:linux-6.3-latest swift build --triple x86_64-unknown-linux-gnu 2>&1
linux-6.3-latest: Pulling from saguaro1/spi-images
Digest: sha256:1b75f3338690e1611bd07d393b988f1cb6c72bd2655b61306c710afc67bb9c44
Status: Image is up to date for registry.gitlab.com/saguaro1/spi-images:linux-6.3-latest
Fetching https://github.com/apple/swift-numerics
Fetching https://github.com/apple/swift-argument-parser
[1/6756] Fetching swift-numerics
[4258/25870] Fetching swift-numerics, swift-argument-parser
Fetched https://github.com/apple/swift-numerics from cache (0.54s)
[956/19114] Fetching swift-argument-parser
Fetched https://github.com/apple/swift-argument-parser from cache (0.84s)
Computing version for https://github.com/apple/swift-numerics
Computed https://github.com/apple/swift-numerics at 1.1.1 (1.01s)
Computing version for https://github.com/apple/swift-argument-parser
Computed https://github.com/apple/swift-argument-parser at 1.8.2 (0.15s)
Creating working copy for https://github.com/apple/swift-argument-parser
Working copy of https://github.com/apple/swift-argument-parser resolved at 1.8.2
Creating working copy for https://github.com/apple/swift-numerics
Working copy of https://github.com/apple/swift-numerics resolved at 1.1.1
[0/9] Write sources
[3/9] Write swift-version-24593BA9C3E375BF.txt
[5/11] Compiling ArgumentParserToolInfo ToolInfo.swift
[6/11] Emitting module ArgumentParserToolInfo
[7/12] Wrapping AST for ArgumentParserToolInfo for debugging
[9/59] Emitting module ArgumentParser
[10/65] Compiling ArgumentParser ParentCommand.swift
[11/65] Compiling ArgumentParser AsyncParsableCommand.swift
[12/65] Compiling ArgumentParser CommandConfiguration.swift
[13/65] Compiling ArgumentParser CommandGroup.swift
[14/65] Compiling ArgumentParser EnumerableFlag.swift
[15/65] Compiling ArgumentParser ExpressibleByArgument.swift
[16/65] Compiling ArgumentParser ParsableArguments.swift
[17/65] Compiling ArgumentParser Name.swift
[18/65] Compiling ArgumentParser Parsed.swift
[19/65] Compiling ArgumentParser ParsedValues.swift
[20/65] Compiling ArgumentParser ParserError.swift
[21/65] Compiling ArgumentParser SplitArguments.swift
[22/65] Compiling ArgumentParser DumpHelpGenerator.swift
[23/65] Compiling ArgumentParser AsyncCompletionsValidator.swift
[24/65] Compiling ArgumentParser CodingKeyValidator.swift
[25/65] Compiling ArgumentParser NonsenseFlagsValidator.swift
[26/65] Compiling ArgumentParser ParsableArgumentsValidation.swift
[27/65] Compiling ArgumentParser PositionalArgumentsValidator.swift
[28/65] Compiling ArgumentParser UniqueNamesValidator.swift
[29/65] Compiling ArgumentParser BashCompletionsGenerator.swift
[30/65] Compiling ArgumentParser CompletionsGenerator.swift
[31/65] Compiling ArgumentParser FishCompletionsGenerator.swift
[32/65] Compiling ArgumentParser ZshCompletionsGenerator.swift
[33/65] Compiling ArgumentParser Argument.swift
[34/65] Compiling ArgumentParser ArgumentDiscussion.swift
[35/65] Compiling ArgumentParser ArgumentHelp.swift
[36/65] Compiling ArgumentParser ParsableCommand.swift
[37/65] Compiling ArgumentParser ArgumentDecoder.swift
[38/65] Compiling ArgumentParser ArgumentDefinition.swift
[39/65] Compiling ArgumentParser ArgumentSet.swift
[40/65] Compiling ArgumentParser CommandParser.swift
[41/65] Compiling ArgumentParser InputKey.swift
[42/65] Compiling ArgumentParser InputOrigin.swift
[43/65] Compiling ArgumentParser ArgumentVisibility.swift
[44/65] Compiling ArgumentParser CompletionKind.swift
[45/65] Compiling ArgumentParser Errors.swift
[46/65] Compiling ArgumentParser Flag.swift
[47/65] Compiling ArgumentParser NameSpecification.swift
[48/65] Compiling ArgumentParser Option.swift
[49/65] Compiling ArgumentParser OptionGroup.swift
[50/65] Compiling ArgumentParser Mutex.swift
[51/65] Compiling ArgumentParser Platform.swift
[52/65] Compiling ArgumentParser SequenceExtensions.swift
[53/65] Compiling ArgumentParser StringExtensions.swift
[54/65] Compiling ArgumentParser SwiftExtensions.swift
[55/65] Compiling ArgumentParser Tree.swift
[56/65] Compiling ArgumentParser HelpCommand.swift
[57/65] Compiling ArgumentParser HelpGenerator.swift
[58/65] Compiling ArgumentParser MessageInfo.swift
[59/65] Compiling ArgumentParser UsageGenerator.swift
[60/65] Compiling ArgumentParser CollectionExtensions.swift
[61/65] Compiling ArgumentParser Foundation.swift
[62/66] Wrapping AST for ArgumentParser for debugging
[64/72] Compiling encuda encuda.swift
[65/72] Compiling encuda encuda-link.swift
[66/72] Compiling encuda encuda-utils.swift
[67/72] Compiling encuda encuda-error.swift
[68/72] Compiling encuda encuda-compile.swift
[69/72] Emitting module encuda
[70/73] Wrapping AST for encuda for debugging
[71/73] Write Objects.LinkFileList
[72/73] Linking encuda-tool
warning: 'spi-builder-workspace': found 3 file(s) which are unhandled; explicitly declare them as resources or exclude from the target
/host/spi-builder-workspace/Source/Examples/Example1.swift
/host/spi-builder-workspace/Source/Examples/CustomFunctionExampleSimple.swift
/host/spi-builder-workspace/Source/Examples/CustomFunctionExample.swift
warning: 'spi-builder-workspace': found 3 file(s) which are unhandled; explicitly declare them as resources or exclude from the target
/host/spi-builder-workspace/Source/Examples/Tutorial.swift
/host/spi-builder-workspace/Source/Examples/CustomFunctionExampleSimple.swift
/host/spi-builder-workspace/Source/Examples/CustomFunctionExample.swift
warning: 'spi-builder-workspace': found 3 file(s) which are unhandled; explicitly declare them as resources or exclude from the target
/host/spi-builder-workspace/Source/Examples/Example1.swift
/host/spi-builder-workspace/Source/Examples/Tutorial.swift
/host/spi-builder-workspace/Source/Examples/CustomFunctionExample.swift
warning: 'spi-builder-workspace': found 3 file(s) which are unhandled; explicitly declare them as resources or exclude from the target
/host/spi-builder-workspace/Source/Examples/Tutorial.swift
/host/spi-builder-workspace/Source/Examples/CustomFunctionExampleSimple.swift
/host/spi-builder-workspace/Source/Examples/Example1.swift
[1/1] Compiling plugin CudaBuild
[2/2] Compiling plugin GenerateManual
[3/3] Compiling plugin GenerateDoccReference
Building for debugging...
[3/412] Write sources
[9/412] Compiling _NumericsShims _NumericsShims.c
[10/412] Write sources
[20/412] Write swift-version-24593BA9C3E375BF.txt
[21/412] Compiling version.cpp
[23/423] Compiling RealModule RealFunctions.swift
[24/424] Compiling RealModule RelaxedArithmetic.swift
[25/424] Compiling RealModule Real.swift
[26/424] Compiling RealModule Float80+Real.swift
[27/424] Compiling RealModule AlgebraicField.swift
[28/424] Compiling RealModule ApproximateEquality.swift
[29/424] Compiling RealModule AugmentedArithmetic.swift
[30/424] Compiling RealModule Double+Real.swift
[31/424] Compiling RealModule Float16+Real.swift
[32/424] Compiling RealModule ElementaryFunctions.swift
[33/424] Compiling RealModule Float+Real.swift
[34/424] Emitting module RealModule
[35/425] Compiling error.cpp
[37/436] Compiling ComplexModule Complex+StringConvertible.swift
[38/437] Compiling ComplexModule Complex+Hashable.swift
[39/437] Compiling ComplexModule Complex+IntegerLiteral.swift
[40/437] Compiling ComplexModule Scale.swift
[41/437] Compiling ComplexModule Complex+Numeric.swift
[42/437] Compiling ComplexModule Complex+AdditiveArithmetic.swift
[43/437] Compiling ComplexModule Complex+AlgebraicField.swift
[44/437] Compiling ComplexModule Complex.swift
[45/437] Compiling ComplexModule Polar.swift
[46/437] Emitting module ComplexModule
[47/437] Compiling ComplexModule Complex+Codable.swift
[48/437] Compiling ComplexModule Complex+ElementaryFunctions.swift
[49/438] Wrapping AST for RealModule for debugging
[51/440] Emitting module Numerics
[52/440] Compiling Numerics Numerics.swift
[53/441] Wrapping AST for ComplexModule for debugging
[54/441] Compiling utils.cpp
[55/441] Wrapping AST for Numerics for debugging
[56/441] Compiling scheduler.cpp
[57/441] Compiling export.cpp
[58/441] Compiling compile.cpp
[59/441] Compiling device.cpp
[60/441] Compiling cuda.cpp
[61/441] Compiling transforms.cpp
[62/441] Compiling random.cpp
[63/441] Compiling no_gguf.cpp
[64/441] Compiling linalg.cpp
[65/441] Compiling load.cpp
[66/441] Compiling primitives.cpp
[67/441] Compiling graph_utils.cpp
[68/441] Compiling fft.cpp
[69/441] Compiling dtype.cpp
[70/441] Compiling utils.cpp
[71/441] Compiling dtype_utils.cpp
[72/441] Compiling fast.cpp
[73/441] Compiling safetensors.cpp
[74/441] Compiling no_ring.cpp
[75/441] Compiling no_nccl.cpp
[76/441] Compiling einsum.cpp
[77/441] Compiling device.cpp
[78/441] Compiling no_mpi.cpp
[79/441] Compiling ops.cpp
[80/441] Compiling primitives.cpp
[81/441] Compiling ops.cpp
[82/441] Compiling no_jaccl.cpp
[83/441] Compiling distributed.cpp
[84/441] Compiling no_metal.cpp
[85/441] Compiling slicing.cpp
In file included from /host/spi-builder-workspace/Source/Cmlx/mlx/mlx/backend/cuda/worker.cpp:3:
In file included from /host/spi-builder-workspace/Source/Cmlx/mlx/mlx/backend/cuda/worker.h:5:
In file included from /host/spi-builder-workspace/Source/Cmlx/mlx/mlx/backend/cuda/event.h:6:
In file included from /host/spi-builder-workspace/Source/Cmlx/mlx/mlx/backend/cuda/utils.h:8:
In file included from /host/spi-builder-workspace/Source/Cmlx/mlx/mlx/backend/cuda/allocator.h:7:
/host/spi-builder-workspace/Source/Cmlx/mlx/mlx/backend/cuda/cuda_utils.h:5:10: fatal error: 'cublasLt.h' file not found
5 | #include <cublasLt.h>
| ^~~~~~~~~~~~
1 error generated.
[86/441] Compiling worker.cpp
[86/441] Compiling scaled_dot_product_attention.cpp
[86/441] Compiling utils.cpp
[86/441] Compiling slicing.cpp
[86/441] Compiling primitives.cpp
[86/441] Compiling compile.cpp
[86/441] Compiling copy.cpp
[86/441] Compiling export.cpp
BUILD FAILURE 6.3 linux