Swift Package IndexBuild Information
Failed to build MetalHLO, reference main (7fabaa), with Swift 6.3 for Android on 14 Oct 2026 06:16:43 UTC.
Build Command
bash -c docker run --pull=always --rm -v "checkouts-54344849-0":/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:android-6.3-latest swift build --swift-sdk aarch64-unknown-linux-android28 2>&1Build Log
========================================
RunAll
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Builder version: 5.1.2
Interrupt handler set up.
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Checkout
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Clone URL: https://github.com/pedronahum/MetalHLO.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/pedronahum/MetalHLO
* branch main -> FETCH_HEAD
* [new branch] main -> origin/main
HEAD is now at 7fabaa9 f8E4M3FN / f4E2M1FN narrow floats; MPSGraph bitcast_convert reinterprets bits
Cloned https://github.com/pedronahum/MetalHLO.git
Revision (git rev-parse @):
7fabaa9599b0576331d0857a60ea4addcd69d491
SUCCESS checkout https://github.com/pedronahum/MetalHLO.git at main
========================================
Build
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Selected platform: android
Swift version: 6.3
Building package at path: $PWD
https://github.com/pedronahum/MetalHLO.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-54344849-0":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/saguaro1/spi-images: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:a57e63703100e13e1ecb61b565870501ccb169d7515bc7af7f0994f211e1b1f6
Status: Image is up to date for registry.gitlab.com/saguaro1/spi-images:android-6.3-latest
Fetching https://github.com/ml-explore/mlx-swift
[1/17148] Fetching mlx-swift
Fetched https://github.com/ml-explore/mlx-swift from cache (1.28s)
Computing version for https://github.com/ml-explore/mlx-swift
Computed https://github.com/ml-explore/mlx-swift at 0.32.3 (1.50s)
Fetching https://github.com/apple/swift-argument-parser
Fetching https://github.com/apple/swift-numerics
[1/6756] Fetching swift-numerics
[6757/25870] Fetching swift-numerics, swift-argument-parser
Fetched https://github.com/apple/swift-numerics from cache (1.00s)
Fetched https://github.com/apple/swift-argument-parser from cache (1.00s)
Computing version for https://github.com/apple/swift-numerics
Computed https://github.com/apple/swift-numerics at 1.1.1 (1.16s)
Computing version for https://github.com/apple/swift-argument-parser
Computed https://github.com/apple/swift-argument-parser at 1.8.2 (0.14s)
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
Creating working copy for https://github.com/ml-explore/mlx-swift
Working copy of https://github.com/ml-explore/mlx-swift resolved at 0.32.3
[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 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 AsyncCompletionsValidator.swift
[18/65] Compiling ArgumentParser CodingKeyValidator.swift
[19/65] Compiling ArgumentParser NonsenseFlagsValidator.swift
[20/65] Compiling ArgumentParser ParsableArgumentsValidation.swift
[21/65] Compiling ArgumentParser PositionalArgumentsValidator.swift
[22/65] Compiling ArgumentParser UniqueNamesValidator.swift
[23/65] Compiling ArgumentParser ArgumentVisibility.swift
[24/65] Compiling ArgumentParser CompletionKind.swift
[25/65] Compiling ArgumentParser Errors.swift
[26/65] Compiling ArgumentParser Flag.swift
[27/65] Compiling ArgumentParser NameSpecification.swift
[28/65] Compiling ArgumentParser Option.swift
[29/65] Compiling ArgumentParser OptionGroup.swift
[30/65] Compiling ArgumentParser Name.swift
[31/65] Compiling ArgumentParser Parsed.swift
[32/65] Compiling ArgumentParser ParsedValues.swift
[33/65] Compiling ArgumentParser ParserError.swift
[34/65] Compiling ArgumentParser SplitArguments.swift
[35/65] Compiling ArgumentParser DumpHelpGenerator.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 BashCompletionsGenerator.swift
[43/65] Compiling ArgumentParser CompletionsGenerator.swift
[44/65] Compiling ArgumentParser FishCompletionsGenerator.swift
[45/65] Compiling ArgumentParser ZshCompletionsGenerator.swift
[46/65] Compiling ArgumentParser Argument.swift
[47/65] Compiling ArgumentParser ArgumentDiscussion.swift
[48/65] Compiling ArgumentParser ArgumentHelp.swift
[49/65] Compiling ArgumentParser HelpCommand.swift
[50/65] Compiling ArgumentParser HelpGenerator.swift
[51/65] Compiling ArgumentParser MessageInfo.swift
[52/65] Compiling ArgumentParser UsageGenerator.swift
[53/65] Compiling ArgumentParser CollectionExtensions.swift
[54/65] Compiling ArgumentParser Foundation.swift
[55/65] Compiling ArgumentParser ParsableCommand.swift
[56/65] Compiling ArgumentParser ArgumentDecoder.swift
[57/65] Compiling ArgumentParser ArgumentDefinition.swift
[58/65] Compiling ArgumentParser ArgumentSet.swift
[59/65] Compiling ArgumentParser CommandParser.swift
[60/65] Compiling ArgumentParser InputKey.swift
[61/65] Compiling ArgumentParser InputOrigin.swift
[62/66] Wrapping AST for ArgumentParser for debugging
[64/72] Compiling encuda encuda.swift
[65/72] Compiling encuda encuda-utils.swift
[66/72] Emitting module encuda
[67/72] Compiling encuda encuda-link.swift
[68/72] Compiling encuda encuda-compile.swift
[69/72] Compiling encuda encuda-error.swift
[70/73] Wrapping AST for encuda for debugging
[71/73] Write Objects.LinkFileList
[72/73] Linking encuda-tool
[1/1] Compiling plugin CudaBuild
[2/2] Compiling plugin GenerateManual
[3/3] Compiling plugin GenerateDoccReference
Building for debugging...
[3/443] Write sources
[18/443] Compiling cLogSupport cLogSupport.c
[19/443] Write sources
[22/443] Compiling _NumericsShims _NumericsShims.c
[23/443] Compiling version.cpp
[24/443] Write swift-version-272D24FF697CF451.txt
[25/443] Compiling utils.cpp
[26/443] Compiling stream.cpp
[27/486] Compiling scheduler.cpp
[28/486] Compiling linalg.cpp
[29/486] Wrapping AST for ArgumentParserToolInfo for debugging
[30/486] Wrapping AST for ArgumentParser for debugging
[31/486] Wrapping AST for encuda for debugging
[32/486] Compiling random.cpp
[33/486] Write Objects.LinkFileList
[35/486] Compiling RealModule Real.swift
[36/487] Emitting module RealModule
[37/487] Compiling RealModule RelaxedArithmetic.swift
[38/487] Compiling RealModule Float80+Real.swift
[39/487] Compiling RealModule RealFunctions.swift
error: emit-module command failed with exit code 1 (use -v to see invocation)
[40/487] Emitting module HeterogeneousFusion
/host/spi-builder-workspace/Sources/HeterogeneousFusion/AttentionExecutor.swift:13:8: error: no such module 'Metal'
11 | // No cross-unit communication needed — each query position is independent.
12 |
13 | import Metal
| `- error: no such module 'Metal'
14 | import MetalPerformanceShaders
15 | import QuartzCore
[41/491] Compiling HeterogeneousFusion FusedMatmul.swift
[42/491] Compiling HeterogeneousFusion HeterogeneousError.swift
[43/491] Compiling RealModule Float16+Real.swift
[44/491] Compiling HeterogeneousFusion EmbeddingGPU.swift
[45/491] Compiling HeterogeneousFusion FusedExecutor.swift
[46/491] Compiling HeterogeneousFusion EligibilityAnnotationPass.swift
[47/491] Compiling HeterogeneousFusion EmbeddingCPU.swift
[48/492] Linking encuda-tool
[50/503] Compiling ComplexModule Complex+StringConvertible.swift
[51/504] Compiling ComplexModule Complex+Numeric.swift
[52/504] Compiling ComplexModule Scale.swift
[53/504] Compiling ComplexModule Complex+Hashable.swift
[54/504] Compiling ComplexModule Complex+IntegerLiteral.swift
[55/504] Compiling ComplexModule Complex.swift
[56/504] Compiling ComplexModule Polar.swift
[56/504] Compiling no_gguf.cpp
encuda/encuda-compile.swift:55: Fatal error: nvcc not found
*** Signal 4: Backtracing from 0x70243625dd71... done ***
*** Program crashed: Illegal instruction at 0x000070243625dd71 ***
Platform: x86_64 Linux (Ubuntu 24.04.5 LTS)
Thread 0 "encuda-tool" crashed:
0 0x000070243625dd71 _assertionFailure(_:_:file:line:flags:) + 225 in libswiftCore.so
1 [ra] 0x00005c47ea708ac1 Encuda.Compile.run() + 1472 in encuda-tool at /host/spi-builder-workspace/.build/checkouts/mlx-swift/Source/Encuda/encuda-compile.swift:55:21
2 [ra] [thunk] 0x00005c47ea70486d protocol witness for ParsableCommand.run() in conformance Encuda.Compile + 12 in encuda-tool at //<compiler-generated>
3 [ra] 0x00005c47ea6a7425 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] 0x00005c47ea6a7d57 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] 0x00005c47ea71633e static Encuda.$main() + 29 in encuda-tool at //<compiler-generated>
6 [ra] [system] 0x00005c47ea716449 encuda_main + 8 in encuda-tool at /host/spi-builder-workspace/.build/checkouts/mlx-swift/Source/Encuda/encuda.swift
7 [ra] 0x0000702434abe1ca <unknown> in libc.so.6
8 [ra] 0x0000702434abe28b <unknown> in libc.so.6
...
Registers:
rax 0x0000000000000000 0
rdx 0x0000000000000002 2
rcx 0x0000000000000001 1
rbx 0x00000005c4819864 24771663972
rsi 0x8000646e756f6620 9223482462434190880
rdi 0x00005c4819864140 a8 3d 67 36 24 70 00 00 31 00 00 00 00 00 00 00 ¨=g6$p··1·······
rbp 0x00007fff8a401460 20 21 40 8a ff 7f 00 00 c1 8a 70 ea 47 5c 00 00 !@·ÿ···Á·pêG\··
rsp 0x00007fff8a4013f0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ················
r8 0x00005c4819848010 07 00 01 00 07 00 06 00 07 00 03 00 04 00 05 00 ················
r9 0x0000000000000007 7
r10 0x00005c4819864150 64 98 81 c4 05 00 00 00 db 31 00 33 25 82 21 42 d··Ä····Û1·3%·!B
r11 0x42218225330031db 4765232977015747035
r12 0x0000000000000000 0
r13 0x00007fff8a401e18 f0 e1 3f 8a ff 7f 00 00 00 00 00 00 00 00 00 00 ðá?·ÿ···········
r14 0x00005c47ea764b50 b8 34 77 ea 47 5c 00 00 10 48 77 ea 47 5c 00 00 ¸4wêG\···HwêG\··
r15 0x00007024366f9000 e0 a2 6f 36 24 70 00 00 16 00 00 00 00 00 00 00 à¢o6$p··········
rip 0x000070243625dd71 0f 0b 48 83 ec 08 48 8d 05 c2 be 30 00 48 8d 3d ··H·ì·H··Â¾0·H·=
rflags 0x0000000000010206 PF
cs 0x0033 fs 0x0000 gs 0x0000
Images (18 omitted):
0x00005c47ea5b7000–0x00005c47ea763190 59f12db119488891da9d49eec2e60f711d15a94e encuda-tool /host/spi-builder-workspace/.build/x86_64-unknown-linux-gnu/debug/encuda-tool
0x0000702434a94000–0x0000702434c44039 a4a7992a8e66555c8141ab2a08a8465ff6e0ea65 libc.so.6 /usr/lib/x86_64-linux-gnu/libc.so.6
0x0000702435f65000–0x0000702436538470 7338a3c81c5415f0377dee2eec7895c59ddff670 libswiftCore.so /root/.local/share/swiftly/toolchains/6.3.2/usr/lib/swift/linux/libswiftCore.so
Backtrace took 0.04s
[57/504] Compiling ternary.cu to ternary.cpp
[57/504] Compiling load.cpp
[57/504] Compiling transforms.cpp
[57/504] Compiling primitives.cpp
[57/504] Compiling safetensors.cpp
[57/504] Compiling ops.cpp
BUILD FAILURE 6.3 android