Swift Package IndexBuild Information
Failed to build mvt-tools, reference v1.10.3 (74ccfa), with Swift 6.3 for Wasm on 17 Apr 2026 10:21:39 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>&1Build Log
========================================
RunAll
========================================
Builder version: 4.70.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/Outdooractive/mvt-tools.git
Reference: v1.10.3
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/Outdooractive/mvt-tools
* tag v1.10.3 -> FETCH_HEAD
HEAD is now at 74ccfa1 Replace os(Linux) with canImport(CoreLocation)
Cloned https://github.com/Outdooractive/mvt-tools.git
Revision (git rev-parse @):
74ccfa17072c38bb070891ca7016879ada70d2e6
SPI manifest file found: $PWD/.spi.yml
SUCCESS checkout https://github.com/Outdooractive/mvt-tools.git at v1.10.3
========================================
Build
========================================
Selected platform: wasm
Swift version: 6.3
Building package at path: $PWD
https://github.com/Outdooractive/mvt-tools.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4606859-3":/host -w "$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
Fetching https://github.com/1024jp/GzipSwift.git
Fetching https://github.com/apple/swift-log.git
Fetching https://github.com/apple/swift-argument-parser
Fetching https://github.com/Outdooractive/gis-tools
Fetching https://github.com/apple/swift-protobuf
[1/1557] Fetching gzipswift
[1558/4814] Fetching gzipswift, gis-tools
[3969/22337] Fetching gzipswift, gis-tools, swift-argument-parser
[5276/28966] Fetching gzipswift, gis-tools, swift-argument-parser, swift-log
[8647/75919] Fetching gzipswift, gis-tools, swift-argument-parser, swift-log, swift-protobuf
Fetched https://github.com/apple/swift-log.git from cache (1.29s)
[27972/69290] Fetching gzipswift, gis-tools, swift-argument-parser, swift-protobuf
Fetched https://github.com/1024jp/GzipSwift.git from cache (1.40s)
[27823/67733] Fetching gis-tools, swift-argument-parser, swift-protobuf
Fetched https://github.com/Outdooractive/gis-tools from cache (11.55s)
Fetched https://github.com/apple/swift-argument-parser from cache (11.57s)
Fetched https://github.com/apple/swift-protobuf from cache (11.67s)
Computing version for https://github.com/1024jp/GzipSwift.git
Computed https://github.com/1024jp/GzipSwift.git at 5.2.0 (19.30s)
Computing version for https://github.com/Outdooractive/gis-tools
Computed https://github.com/Outdooractive/gis-tools at 1.13.6 (0.56s)
Computing version for https://github.com/apple/swift-argument-parser
Computed https://github.com/apple/swift-argument-parser at 1.7.1 (0.64s)
Computing version for https://github.com/apple/swift-protobuf
Computed https://github.com/apple/swift-protobuf at 1.36.1 (0.60s)
Computing version for https://github.com/apple/swift-log.git
Computed https://github.com/apple/swift-log.git at 1.12.0 (0.55s)
Creating working copy for https://github.com/apple/swift-protobuf
Working copy of https://github.com/apple/swift-protobuf resolved at 1.36.1
Creating working copy for https://github.com/1024jp/GzipSwift.git
Working copy of https://github.com/1024jp/GzipSwift.git resolved at 5.2.0
Creating working copy for https://github.com/Outdooractive/gis-tools
Working copy of https://github.com/Outdooractive/gis-tools resolved at 1.13.6
Creating working copy for https://github.com/apple/swift-argument-parser
Working copy of https://github.com/apple/swift-argument-parser resolved at 1.7.1
Creating working copy for https://github.com/apple/swift-log.git
Working copy of https://github.com/apple/swift-log.git resolved at 1.12.0
[1/1] Compiling plugin SwiftProtobufPlugin
[2/2] Compiling plugin GenerateManual
[3/3] Compiling plugin GenerateDoccReference
Building for debugging...
[3/23] Write sources
[11/23] Compiling system-zlib anchor.c
[12/23] Write swift-version-24593BA9C3E375BF.txt
[14/124] Emitting module ArgumentParserToolInfo
[15/198] Emitting module GISTools
[16/209] Compiling ArgumentParserToolInfo ToolInfo.swift
[18/210] Emitting module Logging
[19/210] Compiling Logging MetadataProvider.swift
[19/210] Wrapping AST for ArgumentParserToolInfo for debugging
[21/256] Compiling ArgumentParser BashCompletionsGenerator.swift
[22/256] Compiling ArgumentParser CompletionsGenerator.swift
[23/256] Compiling ArgumentParser FishCompletionsGenerator.swift
[24/256] Compiling ArgumentParser ZshCompletionsGenerator.swift
[25/256] Compiling ArgumentParser Argument.swift
[26/256] Compiling ArgumentParser ArgumentDiscussion.swift
[27/256] Compiling ArgumentParser ArgumentHelp.swift
[28/256] Compiling ArgumentParser ArgumentVisibility.swift
[29/256] Compiling ArgumentParser CompletionKind.swift
[30/256] Compiling ArgumentParser Errors.swift
[31/256] Compiling ArgumentParser Flag.swift
[32/256] Compiling ArgumentParser NameSpecification.swift
[33/256] Compiling ArgumentParser Option.swift
[34/256] Compiling ArgumentParser OptionGroup.swift
[35/256] Compiling ArgumentParser ParsableCommand.swift
[36/256] Compiling ArgumentParser ArgumentDecoder.swift
[37/256] Compiling ArgumentParser ArgumentDefinition.swift
[38/256] Compiling ArgumentParser ArgumentSet.swift
[39/256] Compiling ArgumentParser CommandParser.swift
[40/256] Compiling ArgumentParser InputKey.swift
[41/256] Compiling ArgumentParser ParentCommand.swift
[42/256] Compiling ArgumentParser AsyncParsableCommand.swift
[43/256] Compiling ArgumentParser CommandConfiguration.swift
[44/256] Compiling ArgumentParser CommandGroup.swift
[45/267] Compiling GISTools GeoJson.swift
[46/267] Compiling GISTools GeoJsonCodable.swift
[47/267] Compiling GISTools GeoJsonConvertible.swift
[48/267] Compiling GISTools GeoJsonReader.swift
[49/267] Compiling GISTools GeometryCollection.swift
[50/267] Compiling GISTools LineSegment.swift
[51/267] Compiling GISTools LineString.swift
[52/267] Compiling GISTools MultiLineString.swift
[53/267] Compiling GISTools MultiPoint.swift
[54/267] Compiling GISTools MultiPolygon.swift
[55/267] Compiling GISTools Point.swift
[56/267] Compiling GISTools Polygon.swift
error: emit-module command failed with exit code 1 (use -v to see invocation)
[57/267] Emitting module Gzip
/host/spi-builder-workspace/.build/checkouts/GzipSwift/Sources/Gzip/Data+Gzip.swift:34:12: error: no such module 'zlib'
32 | import zlibLinux
33 | #else
34 | import zlib
| `- error: no such module 'zlib'
35 | #endif
36 |
[58/267] Compiling Gzip Data+Gzip.swift
/host/spi-builder-workspace/.build/checkouts/GzipSwift/Sources/Gzip/Data+Gzip.swift:34:12: error: no such module 'zlib'
32 | import zlibLinux
33 | #else
34 | import zlib
| `- error: no such module 'zlib'
35 | #endif
36 |
BUILD FAILURE 6.3 wasm