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Build Information

Failed to build YouTubeKit, reference main (65be95), with Swift 6.3 for Wasm on 19 Apr 2026 06:05:53 UTC.

Build Command

bash -c docker run --pull=always --rm -v "checkouts-4606859-3":/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/alexeichhorn/YouTubeKit.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/alexeichhorn/YouTubeKit
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at 65be95d updated yt-ejs scripts
Cloned https://github.com/alexeichhorn/YouTubeKit.git
Revision (git rev-parse @):
65be95dbb1dbd749499e0638871568c823822276
SPI manifest file found: $PWD/.spi.yml
SUCCESS checkout https://github.com/alexeichhorn/YouTubeKit.git at main
========================================
Build
========================================
Selected platform:         wasm
Swift version:             6.3
Building package at path:  $PWD
https://github.com/alexeichhorn/YouTubeKit.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4606859-3":/host -w "$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
Building for debugging...
[0/5] Copying yt_ejs_helper.js
[0/5] Copying astring.umd.js
[2/5] Copying meriyah.umd.js
[3/5] Write sources
[4/5] Write swift-version-24593BA9C3E375BF.txt
error: emit-module command failed with exit code 1 (use -v to see invocation)
[6/32] Emitting module YouTubeKit
/host/spi-builder-workspace/Sources/YouTubeKit/Cipher.swift:12:8: error: no such module 'os.log'
 10 | import JavaScriptCore
 11 | #endif
 12 | import os.log
    |        `- error: no such module 'os.log'
 13 |
 14 | @available(iOS 13.0, watchOS 6.0, tvOS 13.0, macOS 10.15, *)
[7/35] Compiling YouTubeKit YouTubeMetadata.swift
/host/spi-builder-workspace/Sources/YouTubeKit/Cipher.swift:12:8: error: no such module 'os.log'
 10 | import JavaScriptCore
 11 | #endif
 12 | import os.log
    |        `- error: no such module 'os.log'
 13 |
 14 | @available(iOS 13.0, watchOS 6.0, tvOS 13.0, macOS 10.15, *)
[8/35] Compiling YouTubeKit Parser.swift
/host/spi-builder-workspace/Sources/YouTubeKit/Cipher.swift:12:8: error: no such module 'os.log'
 10 | import JavaScriptCore
 11 | #endif
 12 | import os.log
    |        `- error: no such module 'os.log'
 13 |
 14 | @available(iOS 13.0, watchOS 6.0, tvOS 13.0, macOS 10.15, *)
[9/35] Compiling YouTubeKit AppIdentity.swift
/host/spi-builder-workspace/Sources/YouTubeKit/Cipher.swift:12:8: error: no such module 'os.log'
 10 | import JavaScriptCore
 11 | #endif
 12 | import os.log
    |        `- error: no such module 'os.log'
 13 |
 14 | @available(iOS 13.0, watchOS 6.0, tvOS 13.0, macOS 10.15, *)
[10/35] Compiling YouTubeKit Chunking.swift
/host/spi-builder-workspace/Sources/YouTubeKit/Cipher.swift:12:8: error: no such module 'os.log'
 10 | import JavaScriptCore
 11 | #endif
 12 | import os.log
    |        `- error: no such module 'os.log'
 13 |
 14 | @available(iOS 13.0, watchOS 6.0, tvOS 13.0, macOS 10.15, *)
[11/35] Compiling YouTubeKit RemoteStream.swift
/host/spi-builder-workspace/Sources/YouTubeKit/Cipher.swift:12:8: error: no such module 'os.log'
 10 | import JavaScriptCore
 11 | #endif
 12 | import os.log
    |        `- error: no such module 'os.log'
 13 |
 14 | @available(iOS 13.0, watchOS 6.0, tvOS 13.0, macOS 10.15, *)
[12/35] Compiling YouTubeKit RemoteYouTubeClient.swift
/host/spi-builder-workspace/Sources/YouTubeKit/Cipher.swift:12:8: error: no such module 'os.log'
 10 | import JavaScriptCore
 11 | #endif
 12 | import os.log
    |        `- error: no such module 'os.log'
 13 |
 14 | @available(iOS 13.0, watchOS 6.0, tvOS 13.0, macOS 10.15, *)
[13/35] Compiling YouTubeKit SignatureSolver.swift
/host/spi-builder-workspace/Sources/YouTubeKit/Cipher.swift:12:8: error: no such module 'os.log'
 10 | import JavaScriptCore
 11 | #endif
 12 | import os.log
    |        `- error: no such module 'os.log'
 13 |
 14 | @available(iOS 13.0, watchOS 6.0, tvOS 13.0, macOS 10.15, *)
[14/35] Compiling YouTubeKit YouTube.swift
/host/spi-builder-workspace/Sources/YouTubeKit/Cipher.swift:12:8: error: no such module 'os.log'
 10 | import JavaScriptCore
 11 | #endif
 12 | import os.log
    |        `- error: no such module 'os.log'
 13 |
 14 | @available(iOS 13.0, watchOS 6.0, tvOS 13.0, macOS 10.15, *)
[15/35] Compiling YouTubeKit resource_bundle_accessor.swift
/host/spi-builder-workspace/Sources/YouTubeKit/Cipher.swift:12:8: error: no such module 'os.log'
 10 | import JavaScriptCore
 11 | #endif
 12 | import os.log
    |        `- error: no such module 'os.log'
 13 |
 14 | @available(iOS 13.0, watchOS 6.0, tvOS 13.0, macOS 10.15, *)
[16/35] Compiling YouTubeKit Foundation.swift
/host/spi-builder-workspace/Sources/YouTubeKit/Cipher.swift:12:8: error: no such module 'os.log'
 10 | import JavaScriptCore
 11 | #endif
 12 | import os.log
    |        `- error: no such module 'os.log'
 13 |
 14 | @available(iOS 13.0, watchOS 6.0, tvOS 13.0, macOS 10.15, *)
[17/35] Compiling YouTubeKit Lazy.swift
/host/spi-builder-workspace/Sources/YouTubeKit/Cipher.swift:12:8: error: no such module 'os.log'
 10 | import JavaScriptCore
 11 | #endif
 12 | import os.log
    |        `- error: no such module 'os.log'
 13 |
 14 | @available(iOS 13.0, watchOS 6.0, tvOS 13.0, macOS 10.15, *)
[18/35] Compiling YouTubeKit Logging.swift
/host/spi-builder-workspace/Sources/YouTubeKit/Cipher.swift:12:8: error: no such module 'os.log'
 10 | import JavaScriptCore
 11 | #endif
 12 | import os.log
    |        `- error: no such module 'os.log'
 13 |
 14 | @available(iOS 13.0, watchOS 6.0, tvOS 13.0, macOS 10.15, *)
[19/35] Compiling YouTubeKit RegularExpression.swift
/host/spi-builder-workspace/Sources/YouTubeKit/Cipher.swift:12:8: error: no such module 'os.log'
 10 | import JavaScriptCore
 11 | #endif
 12 | import os.log
    |        `- error: no such module 'os.log'
 13 |
 14 | @available(iOS 13.0, watchOS 6.0, tvOS 13.0, macOS 10.15, *)
[20/35] Compiling YouTubeKit Cipher.swift
/host/spi-builder-workspace/Sources/YouTubeKit/Cipher.swift:12:8: error: no such module 'os.log'
 10 | import JavaScriptCore
 11 | #endif
 12 | import os.log
    |        `- error: no such module 'os.log'
 13 |
 14 | @available(iOS 13.0, watchOS 6.0, tvOS 13.0, macOS 10.15, *)
[21/35] Compiling YouTubeKit Errors.swift
/host/spi-builder-workspace/Sources/YouTubeKit/Cipher.swift:12:8: error: no such module 'os.log'
 10 | import JavaScriptCore
 11 | #endif
 12 | import os.log
    |        `- error: no such module 'os.log'
 13 |
 14 | @available(iOS 13.0, watchOS 6.0, tvOS 13.0, macOS 10.15, *)
[22/35] Compiling YouTubeKit AsyncCompatibility.swift
/host/spi-builder-workspace/Sources/YouTubeKit/Cipher.swift:12:8: error: no such module 'os.log'
 10 | import JavaScriptCore
 11 | #endif
 12 | import os.log
    |        `- error: no such module 'os.log'
 13 |
 14 | @available(iOS 13.0, watchOS 6.0, tvOS 13.0, macOS 10.15, *)
[23/35] Compiling YouTubeKit Concurrency.swift
/host/spi-builder-workspace/Sources/YouTubeKit/Cipher.swift:12:8: error: no such module 'os.log'
 10 | import JavaScriptCore
 11 | #endif
 12 | import os.log
    |        `- error: no such module 'os.log'
 13 |
 14 | @available(iOS 13.0, watchOS 6.0, tvOS 13.0, macOS 10.15, *)
[24/35] Compiling YouTubeKit Retry.swift
/host/spi-builder-workspace/Sources/YouTubeKit/Cipher.swift:12:8: error: no such module 'os.log'
 10 | import JavaScriptCore
 11 | #endif
 12 | import os.log
    |        `- error: no such module 'os.log'
 13 |
 14 | @available(iOS 13.0, watchOS 6.0, tvOS 13.0, macOS 10.15, *)
[25/35] Compiling YouTubeKit URLSessionDelegates.swift
/host/spi-builder-workspace/Sources/YouTubeKit/Cipher.swift:12:8: error: no such module 'os.log'
 10 | import JavaScriptCore
 11 | #endif
 12 | import os.log
    |        `- error: no such module 'os.log'
 13 |
 14 | @available(iOS 13.0, watchOS 6.0, tvOS 13.0, macOS 10.15, *)
[26/35] Compiling YouTubeKit WebSocket.swift
/host/spi-builder-workspace/Sources/YouTubeKit/Cipher.swift:12:8: error: no such module 'os.log'
 10 | import JavaScriptCore
 11 | #endif
 12 | import os.log
    |        `- error: no such module 'os.log'
 13 |
 14 | @available(iOS 13.0, watchOS 6.0, tvOS 13.0, macOS 10.15, *)
[27/35] Compiling YouTubeKit Extraction.swift
/host/spi-builder-workspace/Sources/YouTubeKit/Cipher.swift:12:8: error: no such module 'os.log'
 10 | import JavaScriptCore
 11 | #endif
 12 | import os.log
    |        `- error: no such module 'os.log'
 13 |
 14 | @available(iOS 13.0, watchOS 6.0, tvOS 13.0, macOS 10.15, *)
[28/35] Compiling YouTubeKit Livestream.swift
/host/spi-builder-workspace/Sources/YouTubeKit/Cipher.swift:12:8: error: no such module 'os.log'
 10 | import JavaScriptCore
 11 | #endif
 12 | import os.log
    |        `- error: no such module 'os.log'
 13 |
 14 | @available(iOS 13.0, watchOS 6.0, tvOS 13.0, macOS 10.15, *)
[29/35] Compiling YouTubeKit Method.swift
/host/spi-builder-workspace/Sources/YouTubeKit/Cipher.swift:12:8: error: no such module 'os.log'
 10 | import JavaScriptCore
 11 | #endif
 12 | import os.log
    |        `- error: no such module 'os.log'
 13 |
 14 | @available(iOS 13.0, watchOS 6.0, tvOS 13.0, macOS 10.15, *)
[30/35] Compiling YouTubeKit Stream.swift
/host/spi-builder-workspace/Sources/YouTubeKit/Cipher.swift:12:8: error: no such module 'os.log'
 10 | import JavaScriptCore
 11 | #endif
 12 | import os.log
    |        `- error: no such module 'os.log'
 13 |
 14 | @available(iOS 13.0, watchOS 6.0, tvOS 13.0, macOS 10.15, *)
[31/35] Compiling YouTubeKit StreamQuery.swift
/host/spi-builder-workspace/Sources/YouTubeKit/Cipher.swift:12:8: error: no such module 'os.log'
 10 | import JavaScriptCore
 11 | #endif
 12 | import os.log
    |        `- error: no such module 'os.log'
 13 |
 14 | @available(iOS 13.0, watchOS 6.0, tvOS 13.0, macOS 10.15, *)
[32/35] Compiling YouTubeKit InnerTube.swift
/host/spi-builder-workspace/Sources/YouTubeKit/Cipher.swift:12:8: error: no such module 'os.log'
 10 | import JavaScriptCore
 11 | #endif
 12 | import os.log
    |        `- error: no such module 'os.log'
 13 |
 14 | @available(iOS 13.0, watchOS 6.0, tvOS 13.0, macOS 10.15, *)
[33/35] Compiling YouTubeKit Codecs.swift
/host/spi-builder-workspace/Sources/YouTubeKit/Cipher.swift:12:8: error: no such module 'os.log'
 10 | import JavaScriptCore
 11 | #endif
 12 | import os.log
    |        `- error: no such module 'os.log'
 13 |
 14 | @available(iOS 13.0, watchOS 6.0, tvOS 13.0, macOS 10.15, *)
[34/35] Compiling YouTubeKit FileExtension.swift
/host/spi-builder-workspace/Sources/YouTubeKit/Cipher.swift:12:8: error: no such module 'os.log'
 10 | import JavaScriptCore
 11 | #endif
 12 | import os.log
    |        `- error: no such module 'os.log'
 13 |
 14 | @available(iOS 13.0, watchOS 6.0, tvOS 13.0, macOS 10.15, *)
[35/35] Compiling YouTubeKit ITag.swift
/host/spi-builder-workspace/Sources/YouTubeKit/Cipher.swift:12:8: error: no such module 'os.log'
 10 | import JavaScriptCore
 11 | #endif
 12 | import os.log
    |        `- error: no such module 'os.log'
 13 |
 14 | @available(iOS 13.0, watchOS 6.0, tvOS 13.0, macOS 10.15, *)
BUILD FAILURE 6.3 wasm