Swift Package IndexBuild Information
Failed to build unxip, reference main (6c3990), with Swift 6.1 for Wasm on 9 Jan 2026 02:55:37 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:wasm-6.1-latest swift build --swift-sdk wasm32-unknown-wasi 2>&1Build Log
========================================
RunAll
========================================
Builder version: 4.68.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/saagarjha/unxip.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/saagarjha/unxip
* branch main -> FETCH_HEAD
* [new branch] main -> origin/main
HEAD is now at 6c39905 unxip 3.3
Cloned https://github.com/saagarjha/unxip.git
Revision (git rev-parse @):
6c3990517fcc4c1db6952fccf4c562fb14097601
SUCCESS checkout https://github.com/saagarjha/unxip.git at main
========================================
Build
========================================
Selected platform: wasm
Swift version: 6.1
Building package at path: $PWD
https://github.com/saagarjha/unxip.git
https://github.com/saagarjha/unxip.git
WARNING: environment variable SUPPRESS_SWIFT_6_FLAGS is not set
{
"dependencies" : [
],
"manifest_display_name" : "unxip",
"name" : "unxip",
"path" : "/host/spi-builder-workspace",
"platforms" : [
{
"name" : "macos",
"version" : "10.15"
},
{
"name" : "ios",
"version" : "13.0"
},
{
"name" : "watchos",
"version" : "6.0"
}
],
"products" : [
{
"name" : "unxip",
"targets" : [
"unxip"
],
"type" : {
"executable" : null
}
},
{
"name" : "libunxip",
"targets" : [
"libunxip"
],
"type" : {
"library" : [
"automatic"
]
}
}
],
"targets" : [
{
"c99name" : "zlib",
"module_type" : "SystemLibraryTarget",
"name" : "zlib",
"path" : "Sources/zlib",
"product_memberships" : [
"unxip",
"libunxip"
],
"sources" : [
],
"type" : "system-target"
},
{
"c99name" : "unxip",
"module_type" : "SwiftTarget",
"name" : "unxip",
"path" : ".",
"product_memberships" : [
"unxip"
],
"sources" : [
"unxip.swift"
],
"target_dependencies" : [
"GNUSource",
"getopt",
"zlib",
"lzma"
],
"type" : "executable"
},
{
"c99name" : "lzma",
"module_type" : "SystemLibraryTarget",
"name" : "lzma",
"path" : "Sources/lzma",
"product_memberships" : [
"unxip",
"libunxip"
],
"sources" : [
],
"type" : "system-target"
},
{
"c99name" : "libunxip",
"module_type" : "SwiftTarget",
"name" : "libunxip",
"path" : "Sources/libunxip",
"product_memberships" : [
"libunxip"
],
"sources" : [
"libunxip.swift"
],
"target_dependencies" : [
"GNUSource",
"getopt",
"zlib",
"lzma"
],
"type" : "library"
},
{
"c99name" : "getopt",
"module_type" : "SystemLibraryTarget",
"name" : "getopt",
"path" : "Sources/getopt",
"product_memberships" : [
"unxip",
"libunxip"
],
"sources" : [
],
"type" : "system-target"
},
{
"c99name" : "GNUSource",
"module_type" : "SystemLibraryTarget",
"name" : "GNUSource",
"path" : "Sources/GNUSource",
"product_memberships" : [
"unxip",
"libunxip"
],
"sources" : [
],
"type" : "system-target"
}
],
"tools_version" : "6.0"
}
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:wasm-6.1-latest swift build --swift-sdk wasm32-unknown-wasi -Xswiftc -Xfrontend -Xswiftc -stats-output-dir -Xswiftc -Xfrontend -Xswiftc .stats 2>&1
wasm-6.1-latest: Pulling from finestructure/spi-images
Digest: sha256:bb5ef85e2f3936cf1d2ae6dee7e011cebd8377061043dcf9368e6726baaf85d8
Status: Image is up to date for registry.gitlab.com/finestructure/spi-images:wasm-6.1-latest
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/Sources/libunxip/libunxip.swift
Building for debugging...
[0/6] Write sources
[2/6] Write swift-version-24593BA9C3E375BF.txt
error: emit-module command failed with exit code 1 (use -v to see invocation)
[4/10] Emitting module libunxip
/host/spi-builder-workspace/Sources/libunxip/libunxip.swift:4:25: error: no such module 'unistd'
2 | @preconcurrency import SwiftGlibc // stdout, stderr
3 | #else
4 | @preconcurrency import unistd // optind
| `- error: no such module 'unistd'
5 | #endif
6 | import Foundation
<module-includes>:1:10: note: in file included from <module-includes>:1:
1 | #include "lzma.h"
| `- note: in file included from <module-includes>:1:
2 |
[5/10] Compiling libunxip libunxip.swift
/host/spi-builder-workspace/Sources/libunxip/libunxip.swift:4:25: error: no such module 'unistd'
2 | @preconcurrency import SwiftGlibc // stdout, stderr
3 | #else
4 | @preconcurrency import unistd // optind
| `- error: no such module 'unistd'
5 | #endif
6 | import Foundation
<module-includes>:1:10: note: in file included from <module-includes>:1:
1 | #include "lzma.h"
| `- note: in file included from <module-includes>:1:
2 |
error: emit-module command failed with exit code 1 (use -v to see invocation)
[6/10] Emitting module unxip
/host/spi-builder-workspace/unxip.swift:4:25: error: no such module 'unistd'
2 | @preconcurrency import SwiftGlibc // stdout, stderr
3 | #else
4 | @preconcurrency import unistd // optind
| `- error: no such module 'unistd'
5 | #endif
6 | import Foundation
<module-includes>:1:10: note: in file included from <module-includes>:1:
1 | #include "lzma.h"
| `- note: in file included from <module-includes>:1:
2 |
[7/10] Compiling unxip unxip.swift
/host/spi-builder-workspace/unxip.swift:4:25: error: no such module 'unistd'
2 | @preconcurrency import SwiftGlibc // stdout, stderr
3 | #else
4 | @preconcurrency import unistd // optind
| `- error: no such module 'unistd'
5 | #endif
6 | import Foundation
<module-includes>:1:10: note: in file included from <module-includes>:1:
1 | #include "lzma.h"
| `- note: in file included from <module-includes>:1:
2 |
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:wasm-6.1-latest swift build --swift-sdk wasm32-unknown-wasi 2>&1
wasm-6.1-latest: Pulling from finestructure/spi-images
Digest: sha256:bb5ef85e2f3936cf1d2ae6dee7e011cebd8377061043dcf9368e6726baaf85d8
Status: Image is up to date for registry.gitlab.com/finestructure/spi-images:wasm-6.1-latest
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/Sources/libunxip/libunxip.swift
[0/1] Planning build
Building for debugging...
[0/4] Write swift-version-24593BA9C3E375BF.txt
error: emit-module command failed with exit code 1 (use -v to see invocation)
[2/8] Emitting module libunxip
/host/spi-builder-workspace/Sources/libunxip/libunxip.swift:4:25: error: no such module 'unistd'
2 | @preconcurrency import SwiftGlibc // stdout, stderr
3 | #else
4 | @preconcurrency import unistd // optind
| `- error: no such module 'unistd'
5 | #endif
6 | import Foundation
<module-includes>:1:10: note: in file included from <module-includes>:1:
1 | #include "lzma.h"
| `- note: in file included from <module-includes>:1:
2 |
[3/8] Compiling libunxip libunxip.swift
/host/spi-builder-workspace/Sources/libunxip/libunxip.swift:4:25: error: no such module 'unistd'
2 | @preconcurrency import SwiftGlibc // stdout, stderr
3 | #else
4 | @preconcurrency import unistd // optind
| `- error: no such module 'unistd'
5 | #endif
6 | import Foundation
<module-includes>:1:10: note: in file included from <module-includes>:1:
1 | #include "lzma.h"
| `- note: in file included from <module-includes>:1:
2 |
error: emit-module command failed with exit code 1 (use -v to see invocation)
[4/8] Emitting module unxip
/host/spi-builder-workspace/unxip.swift:4:25: error: no such module 'unistd'
2 | @preconcurrency import SwiftGlibc // stdout, stderr
3 | #else
4 | @preconcurrency import unistd // optind
| `- error: no such module 'unistd'
5 | #endif
6 | import Foundation
<module-includes>:1:10: note: in file included from <module-includes>:1:
1 | #include "lzma.h"
| `- note: in file included from <module-includes>:1:
2 |
BUILD FAILURE 6.1 wasm