Swift Package Index

Build Information

Failed to build Sass, reference 1.0.1 (6a2ba6), with Swift 6.3 for Linux on 11 Apr 2026 01:48:05 UTC.

Build Command

bash -c docker run --pull=always --rm -v "checkouts-4609320-3":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/swiftpackageindex/spi-images:basic-6.3-latest swift build --triple x86_64-unknown-linux-gnu 2>&1

Build Log

========================================
RunAll
========================================
Builder version: 4.70.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/robinwalterfit/swift-sass.git
Reference: 1.0.1
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/robinwalterfit/swift-sass
 * tag               1.0.1      -> FETCH_HEAD
HEAD is now at 6a2ba67 Update README.md
Cloned https://github.com/robinwalterfit/swift-sass.git
Revision (git rev-parse @):
6a2ba673e1f0bdbdbf3e2eb871229bc0e7354fbe
SUCCESS checkout https://github.com/robinwalterfit/swift-sass.git at 1.0.1
========================================
Build
========================================
Selected platform:         linux
Swift version:             6.3
Building package at path:  $PWD
https://github.com/robinwalterfit/swift-sass.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4609320-3":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/swiftpackageindex/spi-images:basic-6.3-latest swift build --triple x86_64-unknown-linux-gnu 2>&1
basic-6.3-latest: Pulling from swiftpackageindex/spi-images
Digest: sha256:5a7d791d2ead8a924b1292cb31bf3288eabcfe8880e0b005b00b45b71a5bc36a
Status: Image is up to date for registry.gitlab.com/swiftpackageindex/spi-images:basic-6.3-latest
Fetching https://github.com/robinwalterfit/Swift-libsass.git
[1/17] Fetching swift-libsass
Fetched https://github.com/robinwalterfit/Swift-libsass.git from cache (0.22s)
Computing version for https://github.com/robinwalterfit/Swift-libsass.git
Computed https://github.com/robinwalterfit/Swift-libsass.git at 1.0.0 (0.67s)
Creating working copy for https://github.com/robinwalterfit/Swift-libsass.git
Working copy of https://github.com/robinwalterfit/Swift-libsass.git resolved at 1.0.0
warning: 'swift-libsass': ignoring declared target(s) 'libsass' in the system package
warning: 'spi-builder-workspace': dependency 'swift-libsass' is not used by any target
warning: you may be able to install libsass using your system-packager:
    apt-get install libsass
warning: you may be able to install libsass using your system-packager:
    apt-get install libsass
Building for debugging...
[0/2] Write sources
[1/2] Write swift-version-24593BA9C3E375BF.txt
error: emit-module command failed with exit code 1 (use -v to see invocation)
[3/5] Emitting module Sass
<module-includes>:1:10: note: in file included from <module-includes>:1:
1 | #include "shim.h"
  |          `- note: in file included from <module-includes>:1:
2 |
/host/spi-builder-workspace/.build/checkouts/Swift-libsass/shim.h:4:10: error: 'sass.h' file not found
2 | #define __LIBSASS_SHIM_H__
3 |
4 | #include <sass.h>
  |          `- error: 'sass.h' file not found
5 |
6 | #endif
/host/spi-builder-workspace/Sources/Sass/Sass+Options.swift:27:8: error: could not build C module 'libsass'
 25 | import Foundation
 26 |
 27 | import libsass
    |        `- error: could not build C module 'libsass'
 28 |
 29 | /**
[4/5] Compiling Sass Sass+Options.swift
<module-includes>:1:10: note: in file included from <module-includes>:1:
1 | #include "shim.h"
  |          `- note: in file included from <module-includes>:1:
2 |
/host/spi-builder-workspace/.build/checkouts/Swift-libsass/shim.h:4:10: error: 'sass.h' file not found
2 | #define __LIBSASS_SHIM_H__
3 |
4 | #include <sass.h>
  |          `- error: 'sass.h' file not found
5 |
6 | #endif
/host/spi-builder-workspace/Sources/Sass/Sass+Options.swift:27:8: error: could not build C module 'libsass'
 25 | import Foundation
 26 |
 27 | import libsass
    |        `- error: could not build C module 'libsass'
 28 |
 29 | /**
[5/5] Compiling Sass Sass.swift
<module-includes>:1:10: note: in file included from <module-includes>:1:
1 | #include "shim.h"
  |          `- note: in file included from <module-includes>:1:
2 |
/host/spi-builder-workspace/.build/checkouts/Swift-libsass/shim.h:4:10: error: 'sass.h' file not found
2 | #define __LIBSASS_SHIM_H__
3 |
4 | #include <sass.h>
  |          `- error: 'sass.h' file not found
5 |
6 | #endif
/host/spi-builder-workspace/Sources/Sass/Sass+Options.swift:27:8: error: could not build C module 'libsass'
 25 | import Foundation
 26 |
 27 | import libsass
    |        `- error: could not build C module 'libsass'
 28 |
 29 | /**
BUILD FAILURE 6.3 linux