mlx-swift – Build Information – Swift Package Index

Build Information

Failed to build mlx-swift, reference 0.32.3 (196012), with Swift 6.3 for Android on 3 Oct 2026 21:03:48 UTC.

Build Command

bash -c docker run --pull=always --rm -v "checkouts-54344843-1":/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:android-6.3-latest swift build --swift-sdk aarch64-unknown-linux-android28 2>&1

Build Log

========================================
RunAll
========================================
Builder version: 5.1.1
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/ml-explore/mlx-swift.git
Reference: 0.32.3
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
 * tag               0.32.3     -> FETCH_HEAD
HEAD is now at 1960120 fix MLXLogger (#493)
Submodule path 'Source/Cmlx/mlx': checked out '1f8e74e3f12f31365464a6867c6579f0e9b29d85'
Submodule path 'Source/Cmlx/mlx-c': checked out 'ebc88f10caa1b625e6b581437a8dea6df8a70085'
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 @):
19601207e9a0de51e03ee6ec0c3c5f3784275075
SPI manifest file found: $PWD/.spi.yml
SUCCESS checkout https://github.com/ml-explore/mlx-swift.git at 0.32.3
========================================
Build
========================================
Selected platform:         android
Swift version:             6.3
Building package at path:  $PWD
https://github.com/ml-explore/mlx-swift.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-54344843-1":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/saguaro1/spi-images:android-6.3-latest swift build --swift-sdk aarch64-unknown-linux-android28 2>&1
android-6.3-latest: Pulling from saguaro1/spi-images
Digest: sha256:8ca9e1e6d70fd53f5b05e4f64d92569d697563f7f457a1485802bc9eb2cd1382
Status: Image is up to date for registry.gitlab.com/saguaro1/spi-images:android-6.3-latest
Fetching https://github.com/apple/swift-argument-parser
Fetching https://github.com/apple/swift-numerics
[1/6658] Fetching swift-numerics
[3197/25684] Fetching swift-numerics, swift-argument-parser
Fetched https://github.com/apple/swift-numerics from cache (0.82s)
[11036/19026] Fetching swift-argument-parser
Fetched https://github.com/apple/swift-argument-parser from cache (1.14s)
Computing version for https://github.com/apple/swift-numerics
Computed https://github.com/apple/swift-numerics at 1.1.1 (1.50s)
Computing version for https://github.com/apple/swift-argument-parser
Computed https://github.com/apple/swift-argument-parser at 1.8.2 (0.19s)
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
warning: 'spi-builder-workspace': Invalid Exclude '/host/spi-builder-workspace/Source/Cmlx/mlx/build': File not found.
[0/9] Write sources
[3/9] Write swift-version-272D24FF697CF451.txt
[5/11] Emitting module ArgumentParserToolInfo
[6/11] Compiling ArgumentParserToolInfo ToolInfo.swift
[7/12] Wrapping AST for ArgumentParserToolInfo for debugging
[9/59] Emitting module ArgumentParser
[10/65] Compiling ArgumentParser Name.swift
[11/65] Compiling ArgumentParser Parsed.swift
[12/65] Compiling ArgumentParser ParsedValues.swift
[13/65] Compiling ArgumentParser ParserError.swift
[14/65] Compiling ArgumentParser SplitArguments.swift
[15/65] Compiling ArgumentParser DumpHelpGenerator.swift
[16/65] Compiling ArgumentParser AsyncCompletionsValidator.swift
[17/65] Compiling ArgumentParser CodingKeyValidator.swift
[18/65] Compiling ArgumentParser NonsenseFlagsValidator.swift
[19/65] Compiling ArgumentParser ParsableArgumentsValidation.swift
[20/65] Compiling ArgumentParser PositionalArgumentsValidator.swift
[21/65] Compiling ArgumentParser UniqueNamesValidator.swift
[22/65] Compiling ArgumentParser BashCompletionsGenerator.swift
[23/65] Compiling ArgumentParser CompletionsGenerator.swift
[24/65] Compiling ArgumentParser FishCompletionsGenerator.swift
[25/65] Compiling ArgumentParser ZshCompletionsGenerator.swift
[26/65] Compiling ArgumentParser Argument.swift
[27/65] Compiling ArgumentParser ArgumentDiscussion.swift
[28/65] Compiling ArgumentParser ArgumentHelp.swift
[29/65] Compiling ArgumentParser ArgumentVisibility.swift
[30/65] Compiling ArgumentParser CompletionKind.swift
[31/65] Compiling ArgumentParser Errors.swift
[32/65] Compiling ArgumentParser Flag.swift
[33/65] Compiling ArgumentParser NameSpecification.swift
[34/65] Compiling ArgumentParser Option.swift
[35/65] Compiling ArgumentParser OptionGroup.swift
[36/65] Compiling ArgumentParser Mutex.swift
[37/65] Compiling ArgumentParser Platform.swift
[38/65] Compiling ArgumentParser SequenceExtensions.swift
[39/65] Compiling ArgumentParser StringExtensions.swift
[40/65] Compiling ArgumentParser SwiftExtensions.swift
[41/65] Compiling ArgumentParser Tree.swift
[42/65] Compiling ArgumentParser ParentCommand.swift
[43/65] Compiling ArgumentParser AsyncParsableCommand.swift
[44/65] Compiling ArgumentParser CommandConfiguration.swift
[45/65] Compiling ArgumentParser CommandGroup.swift
[46/65] Compiling ArgumentParser EnumerableFlag.swift
[47/65] Compiling ArgumentParser ExpressibleByArgument.swift
[48/65] Compiling ArgumentParser ParsableArguments.swift
[49/65] Compiling ArgumentParser ParsableCommand.swift
[50/65] Compiling ArgumentParser ArgumentDecoder.swift
[51/65] Compiling ArgumentParser ArgumentDefinition.swift
[52/65] Compiling ArgumentParser ArgumentSet.swift
[53/65] Compiling ArgumentParser CommandParser.swift
[54/65] Compiling ArgumentParser InputKey.swift
[55/65] Compiling ArgumentParser InputOrigin.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-utils.swift
[66/72] Compiling encuda encuda-error.swift
[67/72] Emitting module encuda
[68/72] Compiling encuda encuda-link.swift
[69/72] Compiling encuda encuda-compile.swift
[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/CustomFunctionExampleSimple.swift
    /host/spi-builder-workspace/Source/Examples/Example1.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/CustomFunctionExampleSimple.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/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/CustomFunctionExampleSimple.swift
    /host/spi-builder-workspace/Source/Examples/Tutorial.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...
[3/430] Compiling format.cc
[4/430] Write swift-version-272D24FF697CF451.txt
[4/430] Write sources
[9/430] Compiling cLogSupport cLogSupport.c
[10/430] Wrapping AST for ArgumentParserToolInfo for debugging
[11/430] Wrapping AST for encuda for debugging
[12/430] Wrapping AST for ArgumentParser for debugging
[13/430] Write Objects.LinkFileList
[14/430] Compiling compile.cpp
[15/430] Compiling _NumericsShims _NumericsShims.c
[16/430] Write sources
[19/430] Linking encuda-tool
[20/430] Write sources
encuda/encuda-compile.swift:55: Fatal error: nvcc not found
*** Signal 4: Backtracing from 0x71d031a4d271... done ***
*** Program crashed: Illegal instruction at 0x000071d031a4d271 ***
Platform: x86_64 Linux (Ubuntu 22.04.5 LTS)
Thread 0 "encuda-tool" crashed:
  0               0x000071d031a4d271 _assertionFailure(_:_:file:line:flags:) + 225 in libswiftCore.so
  1 [ra]          0x000062bb0c8fba51 Encuda.Compile.run() + 1472 in encuda-tool at /host/spi-builder-workspace/Source/Encuda/encuda-compile.swift:55:21
  2 [ra] [thunk]  0x000062bb0c8f77fd protocol witness for ParsableCommand.run() in conformance Encuda.Compile + 12 in encuda-tool at //<compiler-generated>
  3 [ra]          0x000062bb0c89a425 static ParsableCommand.main(_:) + 532 in encuda-tool at /host/spi-builder-workspace/.build/checkouts/swift-argument-parser/Sources/ArgumentParser/Parsable Types/ParsableCommand.swift:161:19
  4 [ra]          0x000062bb0c89ad57 static ParsableCommand.main() + 38 in encuda-tool at /host/spi-builder-workspace/.build/checkouts/swift-argument-parser/Sources/ArgumentParser/Parsable Types/ParsableCommand.swift:178:10
  5 [ra] [system] 0x000062bb0c9092ce static Encuda.$main() + 29 in encuda-tool at //<compiler-generated>
  6 [ra] [system] 0x000062bb0c9093d9 encuda_main + 8 in encuda-tool at /host/spi-builder-workspace/Source/Encuda/encuda.swift
...
Registers:
rax 0x0000000000000000  0
rdx 0x0000000000000002  2
rcx 0x0000000000000001  1
rbx 0x000000062bb0eb4b  26502818635
rsi 0x8000646e756f6620  9223482462434190880
rdi 0x000062bb0eb39010  07 00 01 00 07 00 06 00 07 00 04 00 03 00 05 00  ················
rbp 0x00007ffca9fa9ca0  60 a9 fa a9 fc 7f 00 00 51 ba 8f 0c bb 62 00 00  `©ú©ü···Qº··»b··
rsp 0x00007ffca9fa9c30  00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ················
 r8 0x000062bb0eb4bc00  4b eb b0 2b 06 00 00 00 93 95 b5 3b f6 1a af ff  Kë°+······µ;ö·¯ÿ
 r9 0x00007ffca9fa99a0  46 61 74 61 6c 20 65 72 72 6f 72 3a 20 6e 76 63  Fatal error: nvc
r10 0x0000000000000000  0
r11 0xffaf1af63bb59593  18423974245462021523
r12 0x0000000000000000  0
r13 0x00007ffca9faa658  30 6a fa a9 fc 7f 00 00 00 00 00 00 00 00 00 00  0jú©ü···········
r14 0x000062bb0c957b50  48 64 96 0c bb 62 00 00 a0 77 96 0c bb 62 00 00  Hd··»b·· w··»b··
r15 0x000071d031ee9040  e0 a2 ee 31 d0 71 00 00 16 00 00 00 00 00 00 00  à¢î1Ðq··········
rip 0x000071d031a4d271  0f 0b 48 83 ec 08 48 8d 05 b2 a9 30 00 48 8d 3d  ··H·ì·H··²©0·H·=
rflags 0x0000000000010206  PF
cs 0x0033  fs 0x0000  gs 0x0000
Images (19 omitted):
0x000062bb0c7aa000–0x000062bb0c956120 f69d9580e9ba9a679befae482c765504840e1db2 encuda-tool     /host/spi-builder-workspace/.build/x86_64-unknown-linux-gnu/debug/encuda-tool
0x000071d031754000–0x000071d031d26c50 7eb736a3088e0cfea099e955eebd87db49cf7a00 libswiftCore.so /root/.local/share/swiftly/toolchains/6.3.2/usr/lib/swift/linux/libswiftCore.so
Backtrace took 0.09s
[21/441] Compiling ternary.cu to ternary.cpp
[21/441] Compiling fft.cpp
[21/441] Compiling closure.cpp
[21/441] Compiling array.cpp
[21/441] Compiling device.cpp
[21/441] Compiling cuda.cpp
[21/441] Compiling io_types.cpp
BUILD FAILURE 6.3 android