Swift Package Index

Build Information

Failed to build CZlib, reference 0.1.2 (a781e6), with Swift 6.3 for macOS (SPM) on 11 Apr 2026 20:21:47 UTC.

Build Command

env DEVELOPER_DIR=/Applications/Xcode-26.4.0.app xcrun swift build --arch arm64

Build Log

========================================
RunAll
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Builder version: 4.70.0
Interrupt handler set up.
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Checkout
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Clone URL: https://github.com/Kitura/CZlib.git
Reference: 0.1.2
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/Kitura/CZlib
 * tag               0.1.2      -> FETCH_HEAD
HEAD is now at a781e6e Add Swift 4 support
Cloned https://github.com/Kitura/CZlib.git
Revision (git rev-parse @):
a781e6ef055fb8f0d608fe30a28e6a0f62ae498b
SUCCESS checkout https://github.com/Kitura/CZlib.git at 0.1.2
error: 'spi-builder-workspace': the Swift tools version specification is missing a label; consider inserting 'swift-tools-version:' between the comment marker and the version specifier
error: the Swift tools version specification is missing a label; consider inserting 'swift-tools-version:' between the comment marker and the version specifier
========================================
Build
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Selected platform:         macosSpm
Swift version:             6.3
Building package at path:  $PWD
https://github.com/Kitura/CZlib.git
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-26.4.0.app xcrun swift build --arch arm64
error: 'spi-builder-workspace': the Swift tools version specification is missing a label; consider inserting 'swift-tools-version:' between the comment marker and the version specifier
error: 'spi-builder-workspace': the Swift tools version specification is missing a label; consider inserting 'swift-tools-version:' between the comment marker and the version specifier
error: the Swift tools version specification is missing a label; consider inserting 'swift-tools-version:' between the comment marker and the version specifier
BUILD FAILURE 6.3 macosSpm