Swift Package Index

Build Information

Failed to build SocketIO, reference master (42da87), with Swift 6.3 for Wasm on 15 Apr 2026 02:26:31 UTC.

Build Command

bash -c docker run --pull=always --rm -v "checkouts-4609320-0":/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

Build Log

========================================
RunAll
========================================
Builder version: 4.70.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/socketio/socket.io-client-swift.git
Reference: master
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/socketio/socket.io-client-swift
 * branch            master     -> FETCH_HEAD
 * [new branch]      master     -> origin/master
HEAD is now at 42da871 update readme
Cloned https://github.com/socketio/socket.io-client-swift.git
Revision (git rev-parse @):
42da871d9369f290d6ec4930636c40672143905b
SUCCESS checkout https://github.com/socketio/socket.io-client-swift.git at master
========================================
Build
========================================
Selected platform:         wasm
Swift version:             6.3
Building package at path:  $PWD
https://github.com/socketio/socket.io-client-swift.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4609320-0":/host -w "$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
Fetching https://github.com/daltoniam/Starscream
[1/5108] Fetching starscream
Fetched https://github.com/daltoniam/Starscream from cache (0.54s)
Computing version for https://github.com/daltoniam/Starscream
Computed https://github.com/daltoniam/Starscream at 4.0.8 (0.99s)
Creating working copy for https://github.com/daltoniam/Starscream
Working copy of https://github.com/daltoniam/Starscream resolved at 4.0.8
warning: 'starscream': found 1 file(s) which are unhandled; explicitly declare them as resources or exclude from the target
    /host/spi-builder-workspace/.build/checkouts/Starscream/Sources/Info.plist
Building for debugging...
[0/4] Copying PrivacyInfo.xcprivacy
[1/4] Write sources
[3/4] Write swift-version-24593BA9C3E375BF.txt
error: emit-module command failed with exit code 1 (use -v to see invocation)
[5/24] Emitting module Starscream
/host/spi-builder-workspace/.build/checkouts/Starscream/Sources/Compression/WSCompression.swift:30:8: error: no such module 'zlib'
 28 |
 29 | import Foundation
 30 | import zlib
    |        `- error: no such module 'zlib'
 31 |
 32 | public class WSCompression: CompressionHandler {
[6/26] Compiling Starscream Compression.swift
/host/spi-builder-workspace/.build/checkouts/Starscream/Sources/Compression/WSCompression.swift:30:8: error: no such module 'zlib'
 28 |
 29 | import Foundation
 30 | import zlib
    |        `- error: no such module 'zlib'
 31 |
 32 | public class WSCompression: CompressionHandler {
[7/26] Compiling Starscream WSCompression.swift
/host/spi-builder-workspace/.build/checkouts/Starscream/Sources/Compression/WSCompression.swift:30:8: error: no such module 'zlib'
 28 |
 29 | import Foundation
 30 | import zlib
    |        `- error: no such module 'zlib'
 31 |
 32 | public class WSCompression: CompressionHandler {
[8/26] Compiling Starscream Data+Extensions.swift
/host/spi-builder-workspace/.build/checkouts/Starscream/Sources/Compression/WSCompression.swift:30:8: error: no such module 'zlib'
 28 |
 29 | import Foundation
 30 | import zlib
    |        `- error: no such module 'zlib'
 31 |
 32 | public class WSCompression: CompressionHandler {
[9/26] Compiling Starscream Transport.swift
/host/spi-builder-workspace/.build/checkouts/Starscream/Sources/Compression/WSCompression.swift:30:8: error: no such module 'zlib'
 28 |
 29 | import Foundation
 30 | import zlib
    |        `- error: no such module 'zlib'
 31 |
 32 | public class WSCompression: CompressionHandler {
[10/26] Compiling Starscream resource_bundle_accessor.swift
/host/spi-builder-workspace/.build/checkouts/Starscream/Sources/Compression/WSCompression.swift:30:8: error: no such module 'zlib'
 28 |
 29 | import Foundation
 30 | import zlib
    |        `- error: no such module 'zlib'
 31 |
 32 | public class WSCompression: CompressionHandler {
[11/26] Compiling Starscream Engine.swift
/host/spi-builder-workspace/.build/checkouts/Starscream/Sources/Compression/WSCompression.swift:30:8: error: no such module 'zlib'
 28 |
 29 | import Foundation
 30 | import zlib
    |        `- error: no such module 'zlib'
 31 |
 32 | public class WSCompression: CompressionHandler {
[12/26] Compiling Starscream NativeEngine.swift
/host/spi-builder-workspace/.build/checkouts/Starscream/Sources/Compression/WSCompression.swift:30:8: error: no such module 'zlib'
 28 |
 29 | import Foundation
 30 | import zlib
    |        `- error: no such module 'zlib'
 31 |
 32 | public class WSCompression: CompressionHandler {
[13/26] Compiling Starscream WSEngine.swift
/host/spi-builder-workspace/.build/checkouts/Starscream/Sources/Compression/WSCompression.swift:30:8: error: no such module 'zlib'
 28 |
 29 | import Foundation
 30 | import zlib
    |        `- error: no such module 'zlib'
 31 |
 32 | public class WSCompression: CompressionHandler {
[14/26] Compiling Starscream WebSocketServer.swift
/host/spi-builder-workspace/.build/checkouts/Starscream/Sources/Compression/WSCompression.swift:30:8: error: no such module 'zlib'
 28 |
 29 | import Foundation
 30 | import zlib
    |        `- error: no such module 'zlib'
 31 |
 32 | public class WSCompression: CompressionHandler {
[15/26] Compiling Starscream WebSocket.swift
/host/spi-builder-workspace/.build/checkouts/Starscream/Sources/Compression/WSCompression.swift:30:8: error: no such module 'zlib'
 28 |
 29 | import Foundation
 30 | import zlib
    |        `- error: no such module 'zlib'
 31 |
 32 | public class WSCompression: CompressionHandler {
[16/26] Compiling Starscream FoundationTransport.swift
/host/spi-builder-workspace/.build/checkouts/Starscream/Sources/Compression/WSCompression.swift:30:8: error: no such module 'zlib'
 28 |
 29 | import Foundation
 30 | import zlib
    |        `- error: no such module 'zlib'
 31 |
 32 | public class WSCompression: CompressionHandler {
[17/26] Compiling Starscream TCPTransport.swift
/host/spi-builder-workspace/.build/checkouts/Starscream/Sources/Compression/WSCompression.swift:30:8: error: no such module 'zlib'
 28 |
 29 | import Foundation
 30 | import zlib
    |        `- error: no such module 'zlib'
 31 |
 32 | public class WSCompression: CompressionHandler {
[18/26] Compiling Starscream Framer.swift
/host/spi-builder-workspace/.build/checkouts/Starscream/Sources/Compression/WSCompression.swift:30:8: error: no such module 'zlib'
 28 |
 29 | import Foundation
 30 | import zlib
    |        `- error: no such module 'zlib'
 31 |
 32 | public class WSCompression: CompressionHandler {
[19/26] Compiling Starscream HTTPHandler.swift
/host/spi-builder-workspace/.build/checkouts/Starscream/Sources/Compression/WSCompression.swift:30:8: error: no such module 'zlib'
 28 |
 29 | import Foundation
 30 | import zlib
    |        `- error: no such module 'zlib'
 31 |
 32 | public class WSCompression: CompressionHandler {
[20/26] Compiling Starscream StringHTTPHandler.swift
/host/spi-builder-workspace/.build/checkouts/Starscream/Sources/Compression/WSCompression.swift:30:8: error: no such module 'zlib'
 28 |
 29 | import Foundation
 30 | import zlib
    |        `- error: no such module 'zlib'
 31 |
 32 | public class WSCompression: CompressionHandler {
[21/26] Compiling Starscream FoundationHTTPHandler.swift
/host/spi-builder-workspace/.build/checkouts/Starscream/Sources/Compression/WSCompression.swift:30:8: error: no such module 'zlib'
 28 |
 29 | import Foundation
 30 | import zlib
    |        `- error: no such module 'zlib'
 31 |
 32 | public class WSCompression: CompressionHandler {
[22/26] Compiling Starscream FoundationHTTPServerHandler.swift
/host/spi-builder-workspace/.build/checkouts/Starscream/Sources/Compression/WSCompression.swift:30:8: error: no such module 'zlib'
 28 |
 29 | import Foundation
 30 | import zlib
    |        `- error: no such module 'zlib'
 31 |
 32 | public class WSCompression: CompressionHandler {
[23/26] Compiling Starscream FrameCollector.swift
/host/spi-builder-workspace/.build/checkouts/Starscream/Sources/Compression/WSCompression.swift:30:8: error: no such module 'zlib'
 28 |
 29 | import Foundation
 30 | import zlib
    |        `- error: no such module 'zlib'
 31 |
 32 | public class WSCompression: CompressionHandler {
[24/26] Compiling Starscream FoundationSecurity.swift
/host/spi-builder-workspace/.build/checkouts/Starscream/Sources/Compression/WSCompression.swift:30:8: error: no such module 'zlib'
 28 |
 29 | import Foundation
 30 | import zlib
    |        `- error: no such module 'zlib'
 31 |
 32 | public class WSCompression: CompressionHandler {
[25/26] Compiling Starscream Security.swift
/host/spi-builder-workspace/.build/checkouts/Starscream/Sources/Compression/WSCompression.swift:30:8: error: no such module 'zlib'
 28 |
 29 | import Foundation
 30 | import zlib
    |        `- error: no such module 'zlib'
 31 |
 32 | public class WSCompression: CompressionHandler {
[26/26] Compiling Starscream Server.swift
/host/spi-builder-workspace/.build/checkouts/Starscream/Sources/Compression/WSCompression.swift:30:8: error: no such module 'zlib'
 28 |
 29 | import Foundation
 30 | import zlib
    |        `- error: no such module 'zlib'
 31 |
 32 | public class WSCompression: CompressionHandler {
BUILD FAILURE 6.3 wasm