Swift Package IndexBuild Information
Failed to build SwiftyTailwind, reference main (1bf7ff), with Swift 6.3 for Wasm on 21 Apr 2026 19:28:05 UTC.
Build Command
bash -c docker run --pull=always --rm -v "checkouts-4606859-1":/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:wasm-6.3-latest swift build --swift-sdk swift-6.3-RELEASE_wasm 2>&1Build Log
========================================
RunAll
========================================
Builder version: 4.70.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/tuist/SwiftyTailwind.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/tuist/SwiftyTailwind
* branch main -> FETCH_HEAD
* [new branch] main -> origin/main
HEAD is now at 1bf7ff4 Update README.md (#46)
Cloned https://github.com/tuist/SwiftyTailwind.git
Revision (git rev-parse @):
1bf7ff4e0c581dc8a3f502d8f55ae16ad2ecb1df
SUCCESS checkout https://github.com/tuist/SwiftyTailwind.git at main
========================================
Build
========================================
Selected platform: wasm
Swift version: 6.3
Building package at path: $PWD
https://github.com/tuist/SwiftyTailwind.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4606859-1":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/swiftpackageindex/spi-images:wasm-6.3-latest swift build --swift-sdk swift-6.3-RELEASE_wasm 2>&1
wasm-6.3-latest: Pulling from swiftpackageindex/spi-images
Digest: sha256:d69f4e7582c319245442d62a08b2d7c7fd5a0c0c69f5d2ef11d1530cd8d3329b
Status: Image is up to date for registry.gitlab.com/swiftpackageindex/spi-images:wasm-6.3-latest
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[1/1] Compiling plugin Swift-DocC Preview
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Building for debugging...
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error: emit-module command failed with exit code 1 (use -v to see invocation)
[46/521] Emitting module TSCLibc
/host/spi-builder-workspace/.build/checkouts/swift-tools-support-core/Sources/TSCLibc/libc.swift:19:19: error: no such module 'Darwin.C'
17 | @_exported import WinSDK
18 | #else
19 | @_exported import Darwin.C
| `- error: no such module 'Darwin.C'
20 | #endif
21 |
[47/521] Emitting module ServiceContextModule
[48/521] Emitting module _NIOBase64
[49/521] Emitting module Logging
[49/521] Compiling CNIOLLHTTP c_nio_llhttp.c
[51/539] Emitting module InternalCollectionsUtilities
[52/541] Compiling RealModule Real.swift
[53/542] Compiling RealModule Float80+Real.swift
[54/542] Compiling InternalCollectionsUtilities FixedWidthInteger+roundUpToPowerOfTwo.swift
[55/542] Compiling InternalCollectionsUtilities _UnsafeBitSet+_Word.swift
[57/542] Compiling InternalCollectionsUtilities _UnsafeBitSet.swift
[58/542] Compiling RealModule RelaxedArithmetic.swift
[59/542] Compiling InternalCollectionsUtilities LifetimeOverride.swift
[60/542] Compiling InternalCollectionsUtilities RandomAccessCollection+Offsets.swift
[61/542] Compiling InternalCollectionsUtilities Span+Extras.swift
[62/542] Compiling RealModule RealFunctions.swift
[63/542] Compiling InternalCollectionsUtilities Integer rank.swift
[64/542] Compiling InternalCollectionsUtilities UInt+first and last set bit.swift
[65/542] Compiling InternalCollectionsUtilities UInt+reversed.swift
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[84/542] Compiling InternalCollectionsUtilities String+Padding.swift
[86/542] Emitting module RealModule
[89/547] Compiling TSCLibc libc.swift
/host/spi-builder-workspace/.build/checkouts/swift-tools-support-core/Sources/TSCLibc/libc.swift:19:19: error: no such module 'Darwin.C'
17 | @_exported import WinSDK
18 | #else
19 | @_exported import Darwin.C
| `- error: no such module 'Darwin.C'
20 | #endif
21 |
[90/547] Compiling _NIOBase64 Base64.swift
[92/548] Emitting module _NIODataStructures
[93/548] Emitting module SystemPackage
[101/548] Compiling Logging LogHandler.swift
BUILD FAILURE 6.3 wasm