Swift Package IndexBuild Information
Failed to build SwiftyTailwind, reference 0.5.0 (d2bc66), with Swift 6.3 for Wasm on 21 Apr 2026 19:27:50 UTC.
Build Command
bash -c docker run --pull=always --rm -v "checkouts-4609320-1":/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: 0.5.0
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
* tag 0.5.0 -> FETCH_HEAD
HEAD is now at d2bc66e Merge pull request #16 from jagreenwood/aarch64
Cloned https://github.com/tuist/SwiftyTailwind.git
Revision (git rev-parse @):
d2bc66eb6b993bc2d755d64e1fc7f59359c265f7
SUCCESS checkout https://github.com/tuist/SwiftyTailwind.git at 0.5.0
========================================
Build
========================================
Selected platform: wasm
Swift version: 6.3
Building package at path: $PWD
https://github.com/tuist/SwiftyTailwind.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4609320-1":/host -w "$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
[2/2] Compiling plugin Swift-DocC
Building for debugging...
[2/462] Write sources
[10/462] Compiling _CWASI _CWASI.c
[11/462] Compiling _NumericsShims _NumericsShims.c
[12/462] Write sources
[12/462] Compiling TSCclibc process.c
[15/462] Compiling _AtomicsShims.c
[16/462] Write sources
[34/462] Compiling CNIOWASI CNIOWASI.c
[35/462] Compiling CNIOWindows WSAStartup.c
[35/462] Compiling CSystem shims.c
[37/462] Compiling CNIOWindows shim.c
[38/462] Compiling CNIOOpenBSD shim.c
[39/462] Compiling TSCclibc libc.c
[40/462] Compiling CNIOPosix event_loop_id.c
[41/462] Compiling CNIOLinux shim.c
[42/462] Compiling CNIOLinux liburing_shims.c
[43/462] Write swift-version-24593BA9C3E375BF.txt
[44/462] Compiling CNIOLLHTTP c_nio_http.c
[45/462] Compiling CNIOExtrasZlib inftrees.c
[46/462] Compiling CNIOExtrasZlib zutil.c
[47/462] Compiling CNIOLLHTTP c_nio_api.c
[48/462] Compiling CNIOExtrasZlib inffast.c
[49/463] Compiling CNIOExtrasZlib trees.c
[50/470] Compiling CNIOExtrasZlib inflate.c
[52/521] Emitting module ServiceContextModule
[53/521] Emitting module SystemPackage
[53/521] Compiling CNIOLLHTTP c_nio_llhttp.c
[55/543] Emitting module InternalCollectionsUtilities
[56/545] Compiling InternalCollectionsUtilities UnsafeBufferPointer+Extras.swift
[57/545] Compiling InternalCollectionsUtilities UnsafeMutableBufferPointer+Extras.swift
[58/545] Compiling RealModule RealFunctions.swift
[59/546] Compiling Logging LogHandler.swift
error: emit-module command failed with exit code 1 (use -v to see invocation)
[60/546] 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 |
[61/546] 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 |
[62/546] Compiling InternalCollectionsUtilities _UnsafeBitSet.swift
[63/546] Compiling InternalCollectionsUtilities UnsafeMutableRawBufferPointer+Extras.swift
[64/546] Compiling InternalCollectionsUtilities UnsafeRawBufferPointer+Extras.swift
[65/546] Compiling InternalCollectionsUtilities _SortedCollection.swift
[66/546] Compiling Logging LogEvent.swift
[67/546] Emitting module _NIODataStructures
[68/546] Emitting module _NIOBase64
[69/546] Emitting module Logging
BUILD FAILURE 6.3 wasm