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Track the adoption of Swift 6 strict concurrency checks for data race safety. How many packages are Ready for Swift 6?

Build Information

Failed to build SwiftySass with Swift 5.10 for macOS (SPM).

Build Command

env DEVELOPER_DIR=/Applications/Xcode-15.3.0-Beta.2.app xcrun swift build --arch arm64

Build Log

========================================
RunAll
========================================
Builder version: 4.29.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/r-thomson/SwiftySass.git
Reference: 0.3.0
Initialized empty Git repository in /Users/builder/builds/UKfvDsi8u/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/.git/
From https://github.com/r-thomson/SwiftySass
 * tag               0.3.0      -> FETCH_HEAD
HEAD is now at b167d42 Merge pull request #6 from r-thomson/feat-paths
Cloned https://github.com/r-thomson/SwiftySass.git
Revision (git rev-parse @):
b167d426fef609325e7fef0c5dd45ed8d2751b8f
SUCCESS checkout https://github.com/r-thomson/SwiftySass.git at 0.3.0
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             5.10
Building package at path:  $workDir
https://github.com/r-thomson/SwiftySass.git
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-15.3.0-Beta.2.app xcrun swift build --arch arm64
Building for debugging...
[0/2] Write sources
[1/2] Write swift-version--423B1241ED78D482.txt
error: emit-module command failed with exit code 1 (use -v to see invocation)
[3/8] Emitting module SwiftySass
/Users/builder/builds/UKfvDsi8u/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CLibSass/module.modulemap:2:9: error: header '/usr/local/include/sass.h' not found
        header "/usr/local/include/sass.h"
               ^
/Users/builder/builds/UKfvDsi8u/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/SwiftySass/SassContext.swift:1:8: error: could not build Objective-C module 'CLibSass'
import CLibSass
       ^
[4/8] Compiling SwiftySass SassOptionTypes.swift
/Users/builder/builds/UKfvDsi8u/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CLibSass/module.modulemap:2:9: error: header '/usr/local/include/sass.h' not found
        header "/usr/local/include/sass.h"
               ^
/Users/builder/builds/UKfvDsi8u/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/SwiftySass/SassContext.swift:1:8: error: could not build Objective-C module 'CLibSass'
import CLibSass
       ^
[5/8] Compiling SwiftySass Errors.swift
/Users/builder/builds/UKfvDsi8u/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CLibSass/module.modulemap:2:9: error: header '/usr/local/include/sass.h' not found
        header "/usr/local/include/sass.h"
               ^
/Users/builder/builds/UKfvDsi8u/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/SwiftySass/SassContext.swift:1:8: error: could not build Objective-C module 'CLibSass'
import CLibSass
       ^
[6/8] Compiling SwiftySass SassOptions.swift
/Users/builder/builds/UKfvDsi8u/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CLibSass/module.modulemap:2:9: error: header '/usr/local/include/sass.h' not found
        header "/usr/local/include/sass.h"
               ^
/Users/builder/builds/UKfvDsi8u/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/SwiftySass/SassContext.swift:1:8: error: could not build Objective-C module 'CLibSass'
import CLibSass
       ^
[7/8] Compiling SwiftySass SassContext.swift
/Users/builder/builds/UKfvDsi8u/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CLibSass/module.modulemap:2:9: error: header '/usr/local/include/sass.h' not found
        header "/usr/local/include/sass.h"
               ^
/Users/builder/builds/UKfvDsi8u/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/SwiftySass/SassContext.swift:1:8: error: could not build Objective-C module 'CLibSass'
import CLibSass
       ^
[8/8] Compiling SwiftySass SwiftySass.swift
/Users/builder/builds/UKfvDsi8u/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CLibSass/module.modulemap:2:9: error: header '/usr/local/include/sass.h' not found
        header "/usr/local/include/sass.h"
               ^
/Users/builder/builds/UKfvDsi8u/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/SwiftySass/SassContext.swift:1:8: error: could not build Objective-C module 'CLibSass'
import CLibSass
       ^
error: fatalError
warning: failed to retrieve search paths with pkg-config; maybe pkg-config is not installed
warning: you may be able to install libsass using your system-packager:
    brew install libsass
[0/1] Planning build
Building for debugging...
[0/1] Write swift-version--423B1241ED78D482.txt
error: emit-module command failed with exit code 1 (use -v to see invocation)
[2/7] Emitting module SwiftySass
/Users/builder/builds/UKfvDsi8u/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CLibSass/module.modulemap:2:9: error: header '/usr/local/include/sass.h' not found
        header "/usr/local/include/sass.h"
               ^
/Users/builder/builds/UKfvDsi8u/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/SwiftySass/SassContext.swift:1:8: error: could not build Objective-C module 'CLibSass'
import CLibSass
       ^
[3/7] Compiling SwiftySass Errors.swift
/Users/builder/builds/UKfvDsi8u/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CLibSass/module.modulemap:2:9: error: header '/usr/local/include/sass.h' not found
        header "/usr/local/include/sass.h"
               ^
/Users/builder/builds/UKfvDsi8u/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/SwiftySass/SassContext.swift:1:8: error: could not build Objective-C module 'CLibSass'
import CLibSass
       ^
[4/7] Compiling SwiftySass SassOptions.swift
/Users/builder/builds/UKfvDsi8u/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CLibSass/module.modulemap:2:9: error: header '/usr/local/include/sass.h' not found
        header "/usr/local/include/sass.h"
               ^
/Users/builder/builds/UKfvDsi8u/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/SwiftySass/SassContext.swift:1:8: error: could not build Objective-C module 'CLibSass'
import CLibSass
       ^
[5/7] Compiling SwiftySass SassContext.swift
/Users/builder/builds/UKfvDsi8u/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CLibSass/module.modulemap:2:9: error: header '/usr/local/include/sass.h' not found
        header "/usr/local/include/sass.h"
               ^
/Users/builder/builds/UKfvDsi8u/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/SwiftySass/SassContext.swift:1:8: error: could not build Objective-C module 'CLibSass'
import CLibSass
       ^
[6/7] Compiling SwiftySass SassOptionTypes.swift
/Users/builder/builds/UKfvDsi8u/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CLibSass/module.modulemap:2:9: error: header '/usr/local/include/sass.h' not found
        header "/usr/local/include/sass.h"
               ^
/Users/builder/builds/UKfvDsi8u/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/SwiftySass/SassContext.swift:1:8: error: could not build Objective-C module 'CLibSass'
import CLibSass
       ^
[7/7] Compiling SwiftySass SwiftySass.swift
/Users/builder/builds/UKfvDsi8u/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CLibSass/module.modulemap:2:9: error: header '/usr/local/include/sass.h' not found
        header "/usr/local/include/sass.h"
               ^
/Users/builder/builds/UKfvDsi8u/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/SwiftySass/SassContext.swift:1:8: error: could not build Objective-C module 'CLibSass'
import CLibSass
       ^
error: fatalError
warning: failed to retrieve search paths with pkg-config; maybe pkg-config is not installed
warning: you may be able to install libsass using your system-packager:
    brew install libsass
BUILD FAILURE 5.10 macosSpm