Swift Package IndexBuild Information
Failed to build mlx-swift, reference main (6f5849), with Swift 6.0 for Linux on 10 Sep 2025 20:29:20 UTC.
Build Command
bash -c docker run --pull=always --rm -v "checkouts-4606859-0":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/finestructure/spi-images:basic-6.0-latest swift build --triple x86_64-unknown-linux-gnu 2>&1Build Log
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RunAll
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Builder version: 4.67.1
Interrupt handler set up.
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Checkout
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Clone URL: https://github.com/ml-explore/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/ml-explore/mlx-swift
* branch main -> FETCH_HEAD
* [new branch] main -> origin/main
HEAD is now at 6f58497 Make `MLXError` provide a description (#268)
Submodule path 'Source/Cmlx/mlx': checked out 'eaf709b83e559079e212699bfc9dd2f939d25c9a'
Submodule path 'Source/Cmlx/mlx-c': checked out '9ebe155864eab06d94ba18e01f9cb2666b2975a7'
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/ml-explore/mlx-swift.git
Revision (git rev-parse @):
6f58497cd6959045c045bb85c11f4086d19c02d5
SPI manifest file found: $PWD/.spi.yml
SUCCESS checkout https://github.com/ml-explore/mlx-swift.git at main
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Build
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Selected platform: linux
Swift version: 6.0
Building package at path: $PWD
https://github.com/ml-explore/mlx-swift.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4606859-0":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/finestructure/spi-images:basic-6.0-latest swift build --triple x86_64-unknown-linux-gnu 2>&1
basic-6.0-latest: Pulling from finestructure/spi-images
Digest: sha256:2ffdcefcdb291d9eb78a77ed5e4b4766a710a1cb89004e0bfdb0fefda731df2f
Status: Image is up to date for registry.gitlab.com/finestructure/spi-images:basic-6.0-latest
Fetching https://github.com/apple/swift-numerics
[1/6348] Fetching swift-numerics
Fetched https://github.com/apple/swift-numerics from cache (0.66s)
Computing version for https://github.com/apple/swift-numerics
Computed https://github.com/apple/swift-numerics at 1.1.0 (0.85s)
Creating working copy for https://github.com/apple/swift-numerics
Working copy of https://github.com/apple/swift-numerics resolved at 1.1.0
warning: 'spi-builder-workspace': found 1 file(s) which are unhandled; explicitly declare them as resources or exclude from the target
/host/spi-builder-workspace/Source/Examples/Example1.swift
warning: 'spi-builder-workspace': found 1 file(s) which are unhandled; explicitly declare them as resources or exclude from the target
/host/spi-builder-workspace/Source/Examples/Tutorial.swift
Building for debugging...
[0/177] Compiling memory.cpp
[1/177] Compiling _NumericsShims _NumericsShims.c
[2/177] Write sources
[14/177] Compiling export.cpp
[15/177] Compiling linalg.cpp
[16/177] Compiling version.cpp
[17/177] Compiling map.cpp
[17/177] Write swift-version-24593BA9C3E375BF.txt
[19/177] Compiling random.cpp
[20/177] Compiling io_types.cpp
[21/188] Compiling ops.cpp
[23/188] Emitting module RealModule
[23/189] Compiling utils.cpp
[24/189] Compiling scheduler.cpp
[25/189] Compiling random.cpp
[26/189] Compiling no_gguf.cpp
[28/189] Compiling RealModule Real.swift
[29/189] Compiling RealModule RelaxedArithmetic.swift
[30/189] Compiling RealModule RealFunctions.swift
[31/189] Compiling RealModule Float16+Real.swift
[32/189] Compiling RealModule Float80+Real.swift
[33/189] Compiling RealModule AlgebraicField.swift
[34/189] Compiling RealModule ApproximateEquality.swift
[35/189] Compiling RealModule AugmentedArithmetic.swift
[36/189] Compiling RealModule Double+Real.swift
[37/189] Compiling RealModule ElementaryFunctions.swift
[38/189] Compiling RealModule Float+Real.swift
[39/190] Compiling linalg.cpp
[40/190] Compiling transforms.cpp
[41/201] Wrapping AST for RealModule for debugging
[43/201] Compiling ComplexModule Polar.swift
[44/202] Compiling ComplexModule Complex+Hashable.swift
[45/202] Compiling ComplexModule Complex+IntegerLiteral.swift
[46/202] Compiling ComplexModule Complex+StringConvertible.swift
[47/202] Compiling ComplexModule Complex+Numeric.swift
[48/202] Compiling ComplexModule Complex.swift
[49/202] Compiling ComplexModule Scale.swift
[49/202] Compiling primitives.cpp
[51/202] Emitting module ComplexModule
[52/202] Compiling ComplexModule Complex+AdditiveArithmetic.swift
[53/202] Compiling ComplexModule Complex+AlgebraicField.swift
[54/202] Compiling ComplexModule Complex+Codable.swift
[55/202] Compiling ComplexModule Complex+ElementaryFunctions.swift
[56/203] Compiling graph_utils.cpp
[57/205] Compiling load.cpp
[58/205] Compiling fft.cpp
[60/205] Emitting module Numerics
[60/205] Wrapping AST for ComplexModule for debugging
[62/205] Compiling Numerics Numerics.swift
[63/206] Compiling dtype.cpp
[64/206] Wrapping AST for Numerics for debugging
[65/206] Compiling dtype_utils.cpp
[66/206] Compiling no_ring.cpp
[67/206] Compiling safetensors.cpp
[68/206] Compiling einsum.cpp
[69/206] Compiling no_mpi.cpp
[70/206] Compiling device.cpp
[71/206] Compiling distributed.cpp
[72/206] Compiling primitives.cpp
[73/206] Compiling ops.cpp
[75/206] Compiling fast.cpp
In file included from /host/spi-builder-workspace/Source/Cmlx/mlx/mlx/backend/metal/utils.cpp:3:
In file included from /host/spi-builder-workspace/Source/Cmlx/mlx/mlx/backend/metal/utils.h:8:
In file included from /host/spi-builder-workspace/Source/Cmlx/mlx/mlx/backend/metal/device.h:5:
In file included from /host/spi-builder-workspace/Source/Cmlx/metal-cpp/Metal/Metal.hpp:25:
In file included from /host/spi-builder-workspace/Source/Cmlx/metal-cpp/Metal/MTLAccelerationStructure.hpp:24:
In file included from /host/spi-builder-workspace/Source/Cmlx/metal-cpp/Metal/MTLHeaderBridge.hpp:22:
/host/spi-builder-workspace/Source/Cmlx/metal-cpp/Metal/MTLPrivate.hpp:27:10: fatal error: 'objc/runtime.h' file not found
27 | #include <objc/runtime.h>
| ^~~~~~~~~~~~~~~~
1 error generated.
[76/206] Compiling utils.cpp
[76/206] Compiling compile.cpp
[76/206] Compiling slicing.cpp
In file included from /host/spi-builder-workspace/Source/Cmlx/mlx/mlx/backend/metal/ternary.cpp:4:
In file included from /host/spi-builder-workspace/Source/Cmlx/mlx/mlx/backend/metal/device.h:5:
In file included from /host/spi-builder-workspace/Source/Cmlx/metal-cpp/Metal/Metal.hpp:25:
In file included from /host/spi-builder-workspace/Source/Cmlx/metal-cpp/Metal/MTLAccelerationStructure.hpp:24:
In file included from /host/spi-builder-workspace/Source/Cmlx/metal-cpp/Metal/MTLHeaderBridge.hpp:22:
/host/spi-builder-workspace/Source/Cmlx/metal-cpp/Metal/MTLPrivate.hpp:27:10: fatal error: 'objc/runtime.h' file not found
27 | #include <objc/runtime.h>
| ^~~~~~~~~~~~~~~~
[76/206] Compiling ternary.cpp
In file included from /host/spi-builder-workspace/Source/Cmlx/mlx/mlx/backend/metal/unary.cpp:3:
In file included from /host/spi-builder-workspace/Source/Cmlx/mlx/mlx/backend/metal/device.h:5:
In file included from /host/spi-builder-workspace/Source/Cmlx/metal-cpp/Metal/Metal.hpp:25:
In file included from /host/spi-builder-workspace/Source/Cmlx/metal-cpp/Metal/MTLAccelerationStructure.hpp:24:
In file included from /host/spi-builder-workspace/Source/Cmlx/metal-cpp/Metal/MTLHeaderBridge.hpp:22:
/host/spi-builder-workspace/Source/Cmlx/metal-cpp/Metal/MTLPrivate.hpp:27:10: fatal error: 'objc/runtime.h' file not found
27 | #include <objc/runtime.h>
| ^~~~~~~~~~~~~~~~
[76/206] Compiling unary.cpp
[76/206] Compiling softmax.cpp
In file included from /host/spi-builder-workspace/Source/Cmlx/mlx/mlx/backend/metal/sort.cpp:5:
/host/spi-builder-workspace/Source/Cmlx/mlx/mlx/backend/metal/copy.h:21:16: error: no template named 'optional' in namespace 'std'
21 | const std::optional<array>& dynamic_i_offset = std::nullopt,
| ~~~~~^
/host/spi-builder-workspace/Source/Cmlx/mlx/mlx/backend/metal/copy.h:21:57: error: no member named 'nullopt' in namespace 'std'
21 | const std::optional<array>& dynamic_i_offset = std::nullopt,
| ~~~~~^
/host/spi-builder-workspace/Source/Cmlx/mlx/mlx/backend/metal/copy.h:22:16: error: no template named 'optional' in namespace 'std'
22 | const std::optional<array>& dynamic_o_offset = std::nullopt);
| ~~~~~^
/host/spi-builder-workspace/Source/Cmlx/mlx/mlx/backend/metal/copy.h:22:57: error: no member named 'nullopt' in namespace 'std'
22 | const std::optional<array>& dynamic_o_offset = std::nullopt);
| ~~~~~^
In file included from /host/spi-builder-workspace/Source/Cmlx/mlx/mlx/backend/metal/sort.cpp:6:
In file included from /host/spi-builder-workspace/Source/Cmlx/mlx/mlx/backend/metal/device.h:5:
In file included from /host/spi-builder-workspace/Source/Cmlx/metal-cpp/Metal/Metal.hpp:25:
In file included from /host/spi-builder-workspace/Source/Cmlx/metal-cpp/Metal/MTLAccelerationStructure.hpp:24:
In file included from /host/spi-builder-workspace/Source/Cmlx/metal-cpp/Metal/MTLHeaderBridge.hpp:22:
/host/spi-builder-workspace/Source/Cmlx/metal-cpp/Metal/MTLPrivate.hpp:27:10: fatal error: 'objc/runtime.h' file not found
27 | #include <objc/runtime.h>
| ^~~~~~~~~~~~~~~~
[76/206] Compiling sort.cpp
[76/206] Compiling export.cpp
BUILD FAILURE 6.0 linux