Swift Package IndexBuild Information
Failed to build pyTanks.SwiftPlayer, reference master (ad053c), with Swift 6.3 for Linux on 21 Apr 2026 06:31:33 UTC.
Build Command
bash -c docker run --pull=always --rm -v "checkouts-4606859-2":/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:basic-6.3-latest swift build --triple x86_64-unknown-linux-gnu 2>&1Build Log
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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/matthewseaman/pytanks.swiftplayer.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/matthewseaman/pytanks.swiftplayer
* branch master -> FETCH_HEAD
* [new branch] master -> origin/master
HEAD is now at ad053cd Update README for 2.0
Cloned https://github.com/matthewseaman/pytanks.swiftplayer.git
Revision (git rev-parse @):
ad053cd3ac03c619c6f59ecdf3b5181341a5fbe4
SUCCESS checkout https://github.com/matthewseaman/pytanks.swiftplayer.git at master
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Build
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Selected platform: linux
Swift version: 6.3
Building package at path: $PWD
https://github.com/matthewseaman/pytanks.swiftplayer.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4606859-2":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/swiftpackageindex/spi-images:basic-6.3-latest swift build --triple x86_64-unknown-linux-gnu 2>&1
basic-6.3-latest: Pulling from swiftpackageindex/spi-images
Digest: sha256:5a7d791d2ead8a924b1292cb31bf3288eabcfe8880e0b005b00b45b71a5bc36a
Status: Image is up to date for registry.gitlab.com/swiftpackageindex/spi-images:basic-6.3-latest
Fetching https://github.com/daltoniam/Starscream.git
[1/5108] Fetching starscream
Fetched https://github.com/daltoniam/Starscream.git from cache (0.50s)
Computing version for https://github.com/daltoniam/Starscream.git
Computed https://github.com/daltoniam/Starscream.git at 3.1.2 (0.96s)
Fetching https://github.com/apple/swift-nio-zlib-support.git
[1/15] Fetching swift-nio-zlib-support
Fetched https://github.com/apple/swift-nio-zlib-support.git from cache (0.23s)
Computing version for https://github.com/apple/swift-nio-zlib-support.git
Computed https://github.com/apple/swift-nio-zlib-support.git at 1.0.0 (4.35s)
Creating working copy for https://github.com/apple/swift-nio-zlib-support.git
Working copy of https://github.com/apple/swift-nio-zlib-support.git resolved at 1.0.0
Creating working copy for https://github.com/daltoniam/Starscream.git
Working copy of https://github.com/daltoniam/Starscream.git resolved at 3.1.2
warning: 'swift-nio-zlib-support': ignoring declared target(s) 'swift-nio-zlib-support' in the system package
Building for debugging...
[0/17] Write sources
[7/17] Write swift-version-24593BA9C3E375BF.txt
[9/31] Compiling PlayerSupport Player.swift
[10/31] Compiling Utils Operators.swift
[11/31] Compiling PlayerSupport Log.swift
error: emit-module command failed with exit code 1 (use -v to see invocation)
[12/31] Emitting module Starscream
/host/spi-builder-workspace/.build/checkouts/Starscream/Sources/Starscream/Compression.swift:30:8: error: no such module 'zlib'
28 |
29 | import Foundation
30 | import zlib
| `- error: no such module 'zlib'
31 |
32 | class Decompressor {
[13/31] Compiling Starscream SSLClientCertificate.swift
/host/spi-builder-workspace/.build/checkouts/Starscream/Sources/Starscream/Compression.swift:30:8: error: no such module 'zlib'
28 |
29 | import Foundation
30 | import zlib
| `- error: no such module 'zlib'
31 |
32 | class Decompressor {
[14/31] Compiling Starscream SSLSecurity.swift
/host/spi-builder-workspace/.build/checkouts/Starscream/Sources/Starscream/Compression.swift:30:8: error: no such module 'zlib'
28 |
29 | import Foundation
30 | import zlib
| `- error: no such module 'zlib'
31 |
32 | class Decompressor {
[15/31] Compiling Starscream WebSocket.swift
/host/spi-builder-workspace/.build/checkouts/Starscream/Sources/Starscream/Compression.swift:30:8: error: no such module 'zlib'
28 |
29 | import Foundation
30 | import zlib
| `- error: no such module 'zlib'
31 |
32 | class Decompressor {
[16/31] Compiling Starscream Compression.swift
/host/spi-builder-workspace/.build/checkouts/Starscream/Sources/Starscream/Compression.swift:30:8: error: no such module 'zlib'
28 |
29 | import Foundation
30 | import zlib
| `- error: no such module 'zlib'
31 |
32 | class Decompressor {
[17/31] Emitting module Utils
[18/31] Compiling Utils CommandLineArgumentParser.swift
[19/32] Compiling PlayerSupport Command.swift
[20/32] Emitting module PlayerSupport
[21/32] Compiling PlayerSupport GameConfiguration.swift
[22/32] Compiling PlayerSupport GameState.swift
error: cancelled
BUILD FAILURE 6.3 linux