Swift Package IndexBuild Information
Failed to build alpaca.swift, reference v0.1.0 (e89aff), with Swift 6.1 for Linux on 3 Nov 2026 06:11:44 UTC.
Build Command
bash -c docker run --pull=always --rm -v "checkouts-54344845-1":/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:linux-6.1-latest swift build --triple x86_64-unknown-linux-gnu 2>&1Build Log
========================================
RunAll
========================================
Builder version: 5.1.4
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/torinriley/alpaca.git
Reference: v0.1.0
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/torinriley/alpaca
* tag v0.1.0 -> FETCH_HEAD
HEAD is now at e89affe Prepare 0.1.0: install via version tag, citation metadata, changelog, release notes
Cloned https://github.com/torinriley/alpaca.git
Revision (git rev-parse @):
e89affe14b1576f47856f1a1a9472f2f17a8e3bf
SUCCESS checkout https://github.com/torinriley/alpaca.git at v0.1.0
========================================
Build
========================================
Selected platform: linux
Swift version: 6.1
Building package at path: $PWD
https://github.com/torinriley/alpaca.git
https://github.com/torinriley/alpaca.git
WARNING: environment variable SUPPRESS_SWIFT_6_FLAGS is not set
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-54344845-1":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/saguaro1/spi-images:linux-6.1-latest swift build --triple x86_64-unknown-linux-gnu -Xswiftc -Xfrontend -Xswiftc -stats-output-dir -Xswiftc -Xfrontend -Xswiftc .stats -Xswiftc -strict-concurrency=complete -Xswiftc -enable-upcoming-feature -Xswiftc StrictConcurrency -Xswiftc -enable-upcoming-feature -Xswiftc DisableOutwardActorInference -Xswiftc -enable-upcoming-feature -Xswiftc GlobalActorIsolatedTypesUsability -Xswiftc -enable-upcoming-feature -Xswiftc InferSendableFromCaptures 2>&1
linux-6.1-latest: Pulling from saguaro1/spi-images
Digest: sha256:b6bfb4c5da2c5a0e111d7eb0c087cb4f5887cce9a34b7779faa557952c747cfc
Status: Image is up to date for registry.gitlab.com/saguaro1/spi-images:linux-6.1-latest
Building for debugging...
[0/16] Write sources
[6/16] Copying Kernels
[7/16] Write swift-version-24593BA9C3E375BF.txt
[9/32] Emitting module AlpacaCore
<unknown>:0: warning: upcoming feature 'InferSendableFromCaptures' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'GlobalActorIsolatedTypesUsability' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'DisableOutwardActorInference' is already enabled as of Swift version 6
[10/33] Compiling AlpacaCore LlamaConfig.swift
<unknown>:0: warning: upcoming feature 'InferSendableFromCaptures' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'GlobalActorIsolatedTypesUsability' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'DisableOutwardActorInference' is already enabled as of Swift version 6
[11/33] Compiling AlpacaCore LlamaWeights.swift
<unknown>:0: warning: upcoming feature 'InferSendableFromCaptures' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'GlobalActorIsolatedTypesUsability' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'DisableOutwardActorInference' is already enabled as of Swift version 6
[12/33] Compiling AlpacaCore TensorStorage.swift
<unknown>:0: warning: upcoming feature 'InferSendableFromCaptures' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'GlobalActorIsolatedTypesUsability' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'DisableOutwardActorInference' is already enabled as of Swift version 6
[13/33] Compiling AlpacaCore KVCache.swift
<unknown>:0: warning: upcoming feature 'InferSendableFromCaptures' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'GlobalActorIsolatedTypesUsability' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'DisableOutwardActorInference' is already enabled as of Swift version 6
[14/33] Compiling AlpacaTokenizers ByteLevel.swift
<unknown>:0: warning: upcoming feature 'InferSendableFromCaptures' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'GlobalActorIsolatedTypesUsability' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'DisableOutwardActorInference' is already enabled as of Swift version 6
[15/33] Emitting module AlpacaTokenizers
<unknown>:0: warning: upcoming feature 'InferSendableFromCaptures' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'GlobalActorIsolatedTypesUsability' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'DisableOutwardActorInference' is already enabled as of Swift version 6
[16/33] Compiling AlpacaTokenizers BPETokenizer.swift
<unknown>:0: warning: upcoming feature 'InferSendableFromCaptures' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'GlobalActorIsolatedTypesUsability' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'DisableOutwardActorInference' is already enabled as of Swift version 6
[17/34] Compiling AlpacaCore Sampler.swift
<unknown>:0: warning: upcoming feature 'InferSendableFromCaptures' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'GlobalActorIsolatedTypesUsability' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'DisableOutwardActorInference' is already enabled as of Swift version 6
[18/34] Compiling AlpacaCore DType.swift
<unknown>:0: warning: upcoming feature 'InferSendableFromCaptures' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'GlobalActorIsolatedTypesUsability' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'DisableOutwardActorInference' is already enabled as of Swift version 6
[19/34] Compiling AlpacaCore MemoryBudget.swift
<unknown>:0: warning: upcoming feature 'InferSendableFromCaptures' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'GlobalActorIsolatedTypesUsability' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'DisableOutwardActorInference' is already enabled as of Swift version 6
[20/34] Compiling AlpacaCore CPUOps.swift
<unknown>:0: warning: upcoming feature 'InferSendableFromCaptures' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'GlobalActorIsolatedTypesUsability' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'DisableOutwardActorInference' is already enabled as of Swift version 6
[22/34] Compiling AlpacaCore Quantization.swift
<unknown>:0: warning: upcoming feature 'InferSendableFromCaptures' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'GlobalActorIsolatedTypesUsability' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'DisableOutwardActorInference' is already enabled as of Swift version 6
[23/34] Compiling AlpacaCore ErrorMetrics.swift
<unknown>:0: warning: upcoming feature 'InferSendableFromCaptures' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'GlobalActorIsolatedTypesUsability' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'DisableOutwardActorInference' is already enabled as of Swift version 6
[24/34] Compiling AlpacaCore Tensor.swift
<unknown>:0: warning: upcoming feature 'InferSendableFromCaptures' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'GlobalActorIsolatedTypesUsability' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'DisableOutwardActorInference' is already enabled as of Swift version 6
[25/34] Compiling AlpacaCore TensorError.swift
<unknown>:0: warning: upcoming feature 'InferSendableFromCaptures' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'GlobalActorIsolatedTypesUsability' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'DisableOutwardActorInference' is already enabled as of Swift version 6
[26/34] Compiling AlpacaCore LlamaCPUModel.swift
<unknown>:0: warning: upcoming feature 'InferSendableFromCaptures' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'GlobalActorIsolatedTypesUsability' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'DisableOutwardActorInference' is already enabled as of Swift version 6
[27/35] Wrapping AST for AlpacaTokenizers for debugging
[28/35] Wrapping AST for AlpacaCore for debugging
[30/48] Compiling AlpacaMetal resource_bundle_accessor.swift
<unknown>:0: warning: upcoming feature 'InferSendableFromCaptures' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'GlobalActorIsolatedTypesUsability' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'DisableOutwardActorInference' is already enabled as of Swift version 6
/host/spi-builder-workspace/Sources/AlpacaMetal/Backend/KernelEncoder.swift:5:8: error: no such module 'Metal'
3 |
4 | import Foundation
5 | import Metal
| `- error: no such module 'Metal'
6 | import AlpacaCore
7 |
[31/48] Compiling AlpacaModels GGUFTokenizer.swift
<unknown>:0: warning: upcoming feature 'InferSendableFromCaptures' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'GlobalActorIsolatedTypesUsability' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'DisableOutwardActorInference' is already enabled as of Swift version 6
[32/48] Compiling AlpacaModels ByteReader.swift
<unknown>:0: warning: upcoming feature 'InferSendableFromCaptures' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'GlobalActorIsolatedTypesUsability' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'DisableOutwardActorInference' is already enabled as of Swift version 6
[33/48] Emitting module AlpacaModels
<unknown>:0: warning: upcoming feature 'InferSendableFromCaptures' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'GlobalActorIsolatedTypesUsability' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'DisableOutwardActorInference' is already enabled as of Swift version 6
[34/48] Compiling AlpacaModels GGUFTypes.swift
<unknown>:0: warning: upcoming feature 'InferSendableFromCaptures' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'GlobalActorIsolatedTypesUsability' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'DisableOutwardActorInference' is already enabled as of Swift version 6
[35/48] Compiling AlpacaModels LlamaLoader.swift
<unknown>:0: warning: upcoming feature 'InferSendableFromCaptures' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'GlobalActorIsolatedTypesUsability' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'DisableOutwardActorInference' is already enabled as of Swift version 6
[36/48] Compiling AlpacaMetal MetalOps.swift
<unknown>:0: warning: upcoming feature 'InferSendableFromCaptures' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'GlobalActorIsolatedTypesUsability' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'DisableOutwardActorInference' is already enabled as of Swift version 6
/host/spi-builder-workspace/Sources/AlpacaMetal/Backend/KernelEncoder.swift:5:8: error: no such module 'Metal'
3 |
4 | import Foundation
5 | import Metal
| `- error: no such module 'Metal'
6 | import AlpacaCore
7 |
[37/48] Compiling AlpacaModels GGUFError.swift
<unknown>:0: warning: upcoming feature 'InferSendableFromCaptures' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'GlobalActorIsolatedTypesUsability' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'DisableOutwardActorInference' is already enabled as of Swift version 6
[38/48] Compiling AlpacaModels GGUFFile.swift
<unknown>:0: warning: upcoming feature 'InferSendableFromCaptures' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'GlobalActorIsolatedTypesUsability' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'DisableOutwardActorInference' is already enabled as of Swift version 6
[39/49] Wrapping AST for AlpacaModels for debugging
[41/49] Compiling AlpacaMetal MetalLlamaModel.swift
<unknown>:0: warning: upcoming feature 'InferSendableFromCaptures' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'GlobalActorIsolatedTypesUsability' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'DisableOutwardActorInference' is already enabled as of Swift version 6
/host/spi-builder-workspace/Sources/AlpacaMetal/Backend/KernelEncoder.swift:5:8: error: no such module 'Metal'
3 |
4 | import Foundation
5 | import Metal
| `- error: no such module 'Metal'
6 | import AlpacaCore
7 |
error: emit-module command failed with exit code 1 (use -v to see invocation)
[42/49] Emitting module AlpacaMetal
<unknown>:0: warning: upcoming feature 'InferSendableFromCaptures' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'GlobalActorIsolatedTypesUsability' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'DisableOutwardActorInference' is already enabled as of Swift version 6
/host/spi-builder-workspace/Sources/AlpacaMetal/Backend/KernelEncoder.swift:5:8: error: no such module 'Metal'
3 |
4 | import Foundation
5 | import Metal
| `- error: no such module 'Metal'
6 | import AlpacaCore
7 |
[43/49] Compiling AlpacaMetal KernelEncoder.swift
<unknown>:0: warning: upcoming feature 'InferSendableFromCaptures' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'GlobalActorIsolatedTypesUsability' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'DisableOutwardActorInference' is already enabled as of Swift version 6
/host/spi-builder-workspace/Sources/AlpacaMetal/Backend/KernelEncoder.swift:5:8: error: no such module 'Metal'
3 |
4 | import Foundation
5 | import Metal
| `- error: no such module 'Metal'
6 | import AlpacaCore
7 |
[44/49] Compiling AlpacaMetal MetalContext.swift
<unknown>:0: warning: upcoming feature 'InferSendableFromCaptures' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'GlobalActorIsolatedTypesUsability' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'DisableOutwardActorInference' is already enabled as of Swift version 6
/host/spi-builder-workspace/Sources/AlpacaMetal/Backend/KernelEncoder.swift:5:8: error: no such module 'Metal'
3 |
4 | import Foundation
5 | import Metal
| `- error: no such module 'Metal'
6 | import AlpacaCore
7 |
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-54344845-1":/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:linux-6.1-latest swift build --triple x86_64-unknown-linux-gnu 2>&1
linux-6.1-latest: Pulling from saguaro1/spi-images
Digest: sha256:b6bfb4c5da2c5a0e111d7eb0c087cb4f5887cce9a34b7779faa557952c747cfc
Status: Image is up to date for registry.gitlab.com/saguaro1/spi-images:linux-6.1-latest
[0/1] Planning build
Building for debugging...
[0/9] Write swift-version-24593BA9C3E375BF.txt
[2/25] Compiling AlpacaCore LlamaConfig.swift
[3/26] Compiling AlpacaCore LlamaCPUModel.swift
[4/26] Compiling AlpacaCore Quantization.swift
[5/26] Compiling AlpacaCore ErrorMetrics.swift
[6/26] Compiling AlpacaCore TensorStorage.swift
[7/26] Compiling AlpacaCore KVCache.swift
[8/26] Compiling AlpacaCore Sampler.swift
[9/26] Compiling AlpacaCore DType.swift
[10/26] Compiling AlpacaCore Tensor.swift
[11/26] Compiling AlpacaCore TensorError.swift
[12/26] Compiling AlpacaCore LlamaWeights.swift
[13/26] Compiling AlpacaTokenizers BPETokenizer.swift
[14/26] Emitting module AlpacaTokenizers
[15/26] Compiling AlpacaTokenizers ByteLevel.swift
[16/27] Emitting module AlpacaCore
[17/27] Compiling AlpacaCore MemoryBudget.swift
[18/27] Compiling AlpacaCore CPUOps.swift
[21/39] Compiling AlpacaModels GGUFTokenizer.swift
[22/39] Compiling AlpacaMetal resource_bundle_accessor.swift
/host/spi-builder-workspace/Sources/AlpacaMetal/Backend/KernelEncoder.swift:5:8: error: no such module 'Metal'
3 |
4 | import Foundation
5 | import Metal
| `- error: no such module 'Metal'
6 | import AlpacaCore
7 |
[23/39] Compiling AlpacaMetal MetalOps.swift
/host/spi-builder-workspace/Sources/AlpacaMetal/Backend/KernelEncoder.swift:5:8: error: no such module 'Metal'
3 |
4 | import Foundation
5 | import Metal
| `- error: no such module 'Metal'
6 | import AlpacaCore
7 |
[24/39] Compiling AlpacaModels LlamaLoader.swift
[25/39] Compiling AlpacaModels GGUFTypes.swift
[26/39] Compiling AlpacaModels ByteReader.swift
[27/39] Compiling AlpacaModels GGUFFile.swift
[28/39] Emitting module AlpacaModels
[29/39] Compiling AlpacaModels GGUFError.swift
[31/39] Compiling AlpacaMetal MetalLlamaModel.swift
/host/spi-builder-workspace/Sources/AlpacaMetal/Backend/KernelEncoder.swift:5:8: error: no such module 'Metal'
3 |
4 | import Foundation
5 | import Metal
| `- error: no such module 'Metal'
6 | import AlpacaCore
7 |
error: emit-module command failed with exit code 1 (use -v to see invocation)
[32/39] Emitting module AlpacaMetal
/host/spi-builder-workspace/Sources/AlpacaMetal/Backend/KernelEncoder.swift:5:8: error: no such module 'Metal'
3 |
4 | import Foundation
5 | import Metal
| `- error: no such module 'Metal'
6 | import AlpacaCore
7 |
[33/39] Compiling AlpacaMetal KernelEncoder.swift
/host/spi-builder-workspace/Sources/AlpacaMetal/Backend/KernelEncoder.swift:5:8: error: no such module 'Metal'
3 |
4 | import Foundation
5 | import Metal
| `- error: no such module 'Metal'
6 | import AlpacaCore
7 |
[34/39] Compiling AlpacaMetal MetalContext.swift
/host/spi-builder-workspace/Sources/AlpacaMetal/Backend/KernelEncoder.swift:5:8: error: no such module 'Metal'
3 |
4 | import Foundation
5 | import Metal
| `- error: no such module 'Metal'
6 | import AlpacaCore
7 |
BUILD FAILURE 6.1 linux