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Build Information

Failed to build SwiftParse, reference master (a57e82), with Swift 6.3 for Linux on 22 Apr 2026 09:56:36 UTC.

Build Command

bash -c docker run --pull=always --rm -v "checkouts-4606859-0":/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:basic-6.3-latest swift build --triple x86_64-unknown-linux-gnu 2>&1

Build Log

========================================
RunAll
========================================
Builder version: 4.70.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/mgadda/swift-parse.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/mgadda/swift-parse
 * branch            master     -> FETCH_HEAD
 * [new branch]      master     -> origin/master
HEAD is now at a57e826 Merge pull request #8 from niw/fix_warnings
Cloned https://github.com/mgadda/swift-parse.git
Revision (git rev-parse @):
a57e8262e16aa2f91f47a7dc0472afb2c9ba234b
SUCCESS checkout https://github.com/mgadda/swift-parse.git at master
========================================
Build
========================================
Selected platform:         linux
Swift version:             6.3
Building package at path:  $PWD
https://github.com/mgadda/swift-parse.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4606859-0":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/swiftpackageindex/spi-images: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
Building for debugging...
[0/2] Write sources
[1/2] Write swift-version-24593BA9C3E375BF.txt
[3/10] Compiling SwiftParse OptionalExtensions.swift
[4/10] Compiling SwiftParse Map.swift
[5/10] Compiling SwiftParse Nothing.swift
[6/10] Compiling SwiftParse Either.swift
error: emit-module command failed with exit code 1 (use -v to see invocation)
[7/10] Emitting module SwiftParse
/host/spi-builder-workspace/Sources/SwiftParse/Parsers.swift:28:14: warning: stored property 'at' of 'Sendable'-conforming generic struct 'ParseError' has non-Sendable type 'AnyCollection<Element>'
 26 | /// and location of the failure.
 27 | public struct ParseError<Element> : Error {
 28 |   public let at: AnyCollection<Element>
    |              `- warning: stored property 'at' of 'Sendable'-conforming generic struct 'ParseError' has non-Sendable type 'AnyCollection<Element>'
 29 |   public let reason: String?
 30 |   public init(at: AnyCollection<Element>, reason: String? = .none) {
Swift.AnyCollection:1:23: note: generic struct 'AnyCollection' does not conform to the 'Sendable' protocol
1 | @frozen public struct AnyCollection<Element> {
  |                       `- note: generic struct 'AnyCollection' does not conform to the 'Sendable' protocol
2 | }
/host/spi-builder-workspace/Sources/SwiftParse/Parsers.swift:86:12: error: generic parameter 'InputType' is not used in function signature [#no-usage]
 84 | }
 85 |
 86 | func match<InputType: Collection>(range: ClosedRange<InputType.Element>) -> StandardParser<InputType, InputType.Element> {
    |            `- error: generic parameter 'InputType' is not used in function signature [#no-usage]
 87 |   return { source in
 88 |     guard let first = source.first else {
[8/10] Compiling SwiftParse Operators.swift
[9/10] Compiling SwiftParse StringParsers.swift
[10/10] Compiling SwiftParse Parsers.swift
/host/spi-builder-workspace/Sources/SwiftParse/Parsers.swift:28:14: warning: stored property 'at' of 'Sendable'-conforming generic struct 'ParseError' has non-Sendable type 'AnyCollection<Element>'
 26 | /// and location of the failure.
 27 | public struct ParseError<Element> : Error {
 28 |   public let at: AnyCollection<Element>
    |              `- warning: stored property 'at' of 'Sendable'-conforming generic struct 'ParseError' has non-Sendable type 'AnyCollection<Element>'
 29 |   public let reason: String?
 30 |   public init(at: AnyCollection<Element>, reason: String? = .none) {
Swift.AnyCollection:1:23: note: generic struct 'AnyCollection' does not conform to the 'Sendable' protocol
1 | @frozen public struct AnyCollection<Element> {
  |                       `- note: generic struct 'AnyCollection' does not conform to the 'Sendable' protocol
2 | }
/host/spi-builder-workspace/Sources/SwiftParse/Parsers.swift:86:12: error: generic parameter 'InputType' is not used in function signature [#no-usage]
 84 | }
 85 |
 86 | func match<InputType: Collection>(range: ClosedRange<InputType.Element>) -> StandardParser<InputType, InputType.Element> {
    |            `- error: generic parameter 'InputType' is not used in function signature [#no-usage]
 87 |   return { source in
 88 |     guard let first = source.first else {
BUILD FAILURE 6.3 linux