Swift Package IndexBuild Information
Failed to build swift-experimental-string-processing, reference main (bc1397), with Swift 6.1 for Wasm on 20 Apr 2026 06:45:41 UTC.
Build Command
bash -c docker run --pull=always --rm -v "checkouts-4609320-1":/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-6.1-latest swift build --swift-sdk wasm32-unknown-wasi 2>&1Build Log
========================================
RunAll
========================================
Builder version: 4.70.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/swiftlang/swift-experimental-string-processing.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/swiftlang/swift-experimental-string-processing
* branch main -> FETCH_HEAD
* [new branch] main -> origin/main
HEAD is now at bc1397a Fix a concatenation coalescing issue (#859)
Cloned https://github.com/swiftlang/swift-experimental-string-processing.git
Revision (git rev-parse @):
bc1397a0113e1943d9ed77aebafe5bfbada30a70
SUCCESS checkout https://github.com/swiftlang/swift-experimental-string-processing.git at main
========================================
Build
========================================
Selected platform: wasm
Swift version: 6.1
Building package at path: $PWD
https://github.com/swiftlang/swift-experimental-string-processing.git
https://github.com/swiftlang/swift-experimental-string-processing.git
WARNING: environment variable SUPPRESS_SWIFT_6_FLAGS is not set
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4609320-1":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/swiftpackageindex/spi-images:wasm-6.1-latest swift build --swift-sdk wasm32-unknown-wasi -Xswiftc -Xfrontend -Xswiftc -stats-output-dir -Xswiftc -Xfrontend -Xswiftc .stats -Xswiftc -strict-concurrency=complete -Xswiftc -enable-upcoming-feature -Xswiftc StrictConcurrency -Xswiftc -enable-upcoming-feature -Xswiftc DisableOutwardActorInference -Xswiftc -enable-upcoming-feature -Xswiftc GlobalActorIsolatedTypesUsability -Xswiftc -enable-upcoming-feature -Xswiftc InferSendableFromCaptures 2>&1
wasm-6.1-latest: Pulling from swiftpackageindex/spi-images
Digest: sha256:276d66a16377d3ee059b2e3429cbc1154d9f01e42871e5d702fd5d8b9044d93d
Status: Image is up to date for registry.gitlab.com/swiftpackageindex/spi-images:wasm-6.1-latest
Fetching https://github.com/apple/swift-argument-parser
[1/17529] Fetching swift-argument-parser
Fetched https://github.com/apple/swift-argument-parser from cache (1.24s)
Computing version for https://github.com/apple/swift-argument-parser
Computed https://github.com/apple/swift-argument-parser at 1.7.1 (2.30s)
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
[1/1] Compiling plugin GenerateManual
[2/2] Compiling plugin GenerateDoccReference
Building for debugging...
[2/33] Write sources
[13/33] Compiling _CUnicode UnicodeData.c
[14/33] Compiling _CUnicode UnicodeScalarProps.c
[15/33] Write swift-version-24593BA9C3E375BF.txt
[17/66] Compiling _RegexParser RenderRanges.swift
[18/66] Compiling _RegexParser TreeProtocols.swift
[19/66] Compiling _RegexParser AllScalars.swift
[20/66] Compiling _RegexParser Errors.swift
[21/69] Compiling _RegexParser SyntaxOptions.swift
[22/69] Compiling _RegexParser DumpAST.swift
[23/69] Compiling _RegexParser PrettyPrinter.swift
[24/69] Compiling _RegexParser PrintAsCanonical.swift
[25/69] Compiling _RegexParser Parse.swift
/host/spi-builder-workspace/Sources/_RegexParser/Regex/Parse/SourceLocation.swift:68:16: warning: stored property 'location' of 'Sendable'-conforming generic struct 'LocatedError' has non-sendable type 'SourceLocation' (aka 'Source.Location'); this is an error in the Swift 6 language mode
12 | extension Source {
13 | /// The location in the input of a parsed entity, presented as a region over the input
14 | public struct Location: Hashable {
| `- note: consider making struct 'Location' conform to the 'Sendable' protocol
15 | public var range: Range<Source.Position>
16 |
:
66 | public struct LocatedError<E: Error>: Error, LocatedErrorProtocol {
67 | public let error: E
68 | public let location: SourceLocation
| `- warning: stored property 'location' of 'Sendable'-conforming generic struct 'LocatedError' has non-sendable type 'SourceLocation' (aka 'Source.Location'); this is an error in the Swift 6 language mode
69 |
70 | init(_ e: E, _ r: SourceLocation) {
[26/69] Compiling _RegexParser Sema.swift
/host/spi-builder-workspace/Sources/_RegexParser/Regex/Parse/SourceLocation.swift:68:16: warning: stored property 'location' of 'Sendable'-conforming generic struct 'LocatedError' has non-sendable type 'SourceLocation' (aka 'Source.Location'); this is an error in the Swift 6 language mode
12 | extension Source {
13 | /// The location in the input of a parsed entity, presented as a region over the input
14 | public struct Location: Hashable {
| `- note: consider making struct 'Location' conform to the 'Sendable' protocol
15 | public var range: Range<Source.Position>
16 |
:
66 | public struct LocatedError<E: Error>: Error, LocatedErrorProtocol {
67 | public let error: E
68 | public let location: SourceLocation
| `- warning: stored property 'location' of 'Sendable'-conforming generic struct 'LocatedError' has non-sendable type 'SourceLocation' (aka 'Source.Location'); this is an error in the Swift 6 language mode
69 |
70 | init(_ e: E, _ r: SourceLocation) {
[27/69] Compiling _RegexParser Source.swift
/host/spi-builder-workspace/Sources/_RegexParser/Regex/Parse/SourceLocation.swift:68:16: warning: stored property 'location' of 'Sendable'-conforming generic struct 'LocatedError' has non-sendable type 'SourceLocation' (aka 'Source.Location'); this is an error in the Swift 6 language mode
12 | extension Source {
13 | /// The location in the input of a parsed entity, presented as a region over the input
14 | public struct Location: Hashable {
| `- note: consider making struct 'Location' conform to the 'Sendable' protocol
15 | public var range: Range<Source.Position>
16 |
:
66 | public struct LocatedError<E: Error>: Error, LocatedErrorProtocol {
67 | public let error: E
68 | public let location: SourceLocation
| `- warning: stored property 'location' of 'Sendable'-conforming generic struct 'LocatedError' has non-sendable type 'SourceLocation' (aka 'Source.Location'); this is an error in the Swift 6 language mode
69 |
70 | init(_ e: E, _ r: SourceLocation) {
[28/69] Compiling _RegexParser SourceLocation.swift
/host/spi-builder-workspace/Sources/_RegexParser/Regex/Parse/SourceLocation.swift:68:16: warning: stored property 'location' of 'Sendable'-conforming generic struct 'LocatedError' has non-sendable type 'SourceLocation' (aka 'Source.Location'); this is an error in the Swift 6 language mode
12 | extension Source {
13 | /// The location in the input of a parsed entity, presented as a region over the input
14 | public struct Location: Hashable {
| `- note: consider making struct 'Location' conform to the 'Sendable' protocol
15 | public var range: Range<Source.Position>
16 |
:
66 | public struct LocatedError<E: Error>: Error, LocatedErrorProtocol {
67 | public let error: E
68 | public let location: SourceLocation
| `- warning: stored property 'location' of 'Sendable'-conforming generic struct 'LocatedError' has non-sendable type 'SourceLocation' (aka 'Source.Location'); this is an error in the Swift 6 language mode
69 |
70 | init(_ e: E, _ r: SourceLocation) {
[29/69] Compiling _RegexParser Misc.swift
/host/spi-builder-workspace/Sources/_RegexParser/Utility/TypeConstruction.swift:22:2: warning: symbol name 'swift_getTupleTypeMetadata' is reserved for the Swift runtime and cannot be directly referenced without causing unpredictable behavior; this will become an error
20 |
21 |
22 | @_silgen_name("swift_getTupleTypeMetadata")
| `- warning: symbol name 'swift_getTupleTypeMetadata' is reserved for the Swift runtime and cannot be directly referenced without causing unpredictable behavior; this will become an error
23 | private func swift_getTupleTypeMetadata(
24 | request: Int,
[30/69] Compiling _RegexParser MissingUnicode.swift
/host/spi-builder-workspace/Sources/_RegexParser/Utility/TypeConstruction.swift:22:2: warning: symbol name 'swift_getTupleTypeMetadata' is reserved for the Swift runtime and cannot be directly referenced without causing unpredictable behavior; this will become an error
20 |
21 |
22 | @_silgen_name("swift_getTupleTypeMetadata")
| `- warning: symbol name 'swift_getTupleTypeMetadata' is reserved for the Swift runtime and cannot be directly referenced without causing unpredictable behavior; this will become an error
23 | private func swift_getTupleTypeMetadata(
24 | request: Int,
[31/69] Compiling _RegexParser TypeConstruction.swift
/host/spi-builder-workspace/Sources/_RegexParser/Utility/TypeConstruction.swift:22:2: warning: symbol name 'swift_getTupleTypeMetadata' is reserved for the Swift runtime and cannot be directly referenced without causing unpredictable behavior; this will become an error
20 |
21 |
22 | @_silgen_name("swift_getTupleTypeMetadata")
| `- warning: symbol name 'swift_getTupleTypeMetadata' is reserved for the Swift runtime and cannot be directly referenced without causing unpredictable behavior; this will become an error
23 | private func swift_getTupleTypeMetadata(
24 | request: Int,
[32/69] Emitting module ArgumentParserToolInfo
[33/69] Compiling ArgumentParserToolInfo ToolInfo.swift
[34/70] Compiling _RegexParser CompilerInterface.swift
/host/spi-builder-workspace/Sources/_RegexParser/Regex/Parse/DelimiterLexing.swift:96:14: warning: stored property 'kind' of 'Sendable'-conforming struct 'DelimiterLexError' has non-sendable type 'DelimiterLexError.Kind'; this is an error in the Swift 6 language mode
86 |
87 | public struct DelimiterLexError: Error, CustomStringConvertible {
88 | public enum Kind: Hashable {
| `- note: consider making enum 'Kind' conform to the 'Sendable' protocol
89 | case unterminated
90 | case invalidUTF8 // TODO: better range reporting
:
94 | }
95 |
96 | public var kind: Kind
| `- warning: stored property 'kind' of 'Sendable'-conforming struct 'DelimiterLexError' has non-sendable type 'DelimiterLexError.Kind'; this is an error in the Swift 6 language mode
97 |
98 | var resumeLocation: UnsafeSourceLocation
/host/spi-builder-workspace/Sources/_RegexParser/Regex/Parse/Diagnostics.swift:364:13: warning: stored property 'diag' of 'Sendable'-conforming struct 'ErrorDiagnostic' has non-sendable type 'Diagnostic'; this is an error in the Swift 6 language mode
269 |
270 | /// A diagnostic to emit.
271 | public struct Diagnostic: Hashable {
| `- note: consider making struct 'Diagnostic' conform to the 'Sendable' protocol
272 | public let behavior: Behavior
273 | public let message: String
:
362 | for diag in diags where diag.isAnyError {
363 | struct ErrorDiagnostic: Error, CustomStringConvertible {
364 | var diag: Diagnostic
| `- warning: stored property 'diag' of 'Sendable'-conforming struct 'ErrorDiagnostic' has non-sendable type 'Diagnostic'; this is an error in the Swift 6 language mode
365 | var description: String { diag.message }
366 | }
[35/70] Compiling _RegexParser DelimiterLexing.swift
/host/spi-builder-workspace/Sources/_RegexParser/Regex/Parse/DelimiterLexing.swift:96:14: warning: stored property 'kind' of 'Sendable'-conforming struct 'DelimiterLexError' has non-sendable type 'DelimiterLexError.Kind'; this is an error in the Swift 6 language mode
86 |
87 | public struct DelimiterLexError: Error, CustomStringConvertible {
88 | public enum Kind: Hashable {
| `- note: consider making enum 'Kind' conform to the 'Sendable' protocol
89 | case unterminated
90 | case invalidUTF8 // TODO: better range reporting
:
94 | }
95 |
96 | public var kind: Kind
| `- warning: stored property 'kind' of 'Sendable'-conforming struct 'DelimiterLexError' has non-sendable type 'DelimiterLexError.Kind'; this is an error in the Swift 6 language mode
97 |
98 | var resumeLocation: UnsafeSourceLocation
/host/spi-builder-workspace/Sources/_RegexParser/Regex/Parse/Diagnostics.swift:364:13: warning: stored property 'diag' of 'Sendable'-conforming struct 'ErrorDiagnostic' has non-sendable type 'Diagnostic'; this is an error in the Swift 6 language mode
269 |
270 | /// A diagnostic to emit.
271 | public struct Diagnostic: Hashable {
| `- note: consider making struct 'Diagnostic' conform to the 'Sendable' protocol
272 | public let behavior: Behavior
273 | public let message: String
:
362 | for diag in diags where diag.isAnyError {
363 | struct ErrorDiagnostic: Error, CustomStringConvertible {
364 | var diag: Diagnostic
| `- warning: stored property 'diag' of 'Sendable'-conforming struct 'ErrorDiagnostic' has non-sendable type 'Diagnostic'; this is an error in the Swift 6 language mode
365 | var description: String { diag.message }
366 | }
[36/70] Compiling _RegexParser Diagnostics.swift
/host/spi-builder-workspace/Sources/_RegexParser/Regex/Parse/DelimiterLexing.swift:96:14: warning: stored property 'kind' of 'Sendable'-conforming struct 'DelimiterLexError' has non-sendable type 'DelimiterLexError.Kind'; this is an error in the Swift 6 language mode
86 |
87 | public struct DelimiterLexError: Error, CustomStringConvertible {
88 | public enum Kind: Hashable {
| `- note: consider making enum 'Kind' conform to the 'Sendable' protocol
89 | case unterminated
90 | case invalidUTF8 // TODO: better range reporting
:
94 | }
95 |
96 | public var kind: Kind
| `- warning: stored property 'kind' of 'Sendable'-conforming struct 'DelimiterLexError' has non-sendable type 'DelimiterLexError.Kind'; this is an error in the Swift 6 language mode
97 |
98 | var resumeLocation: UnsafeSourceLocation
/host/spi-builder-workspace/Sources/_RegexParser/Regex/Parse/Diagnostics.swift:364:13: warning: stored property 'diag' of 'Sendable'-conforming struct 'ErrorDiagnostic' has non-sendable type 'Diagnostic'; this is an error in the Swift 6 language mode
269 |
270 | /// A diagnostic to emit.
271 | public struct Diagnostic: Hashable {
| `- note: consider making struct 'Diagnostic' conform to the 'Sendable' protocol
272 | public let behavior: Behavior
273 | public let message: String
:
362 | for diag in diags where diag.isAnyError {
363 | struct ErrorDiagnostic: Error, CustomStringConvertible {
364 | var diag: Diagnostic
| `- warning: stored property 'diag' of 'Sendable'-conforming struct 'ErrorDiagnostic' has non-sendable type 'Diagnostic'; this is an error in the Swift 6 language mode
365 | var description: String { diag.message }
366 | }
[37/70] Compiling _RegexParser LexicalAnalysis.swift
/host/spi-builder-workspace/Sources/_RegexParser/Regex/Parse/DelimiterLexing.swift:96:14: warning: stored property 'kind' of 'Sendable'-conforming struct 'DelimiterLexError' has non-sendable type 'DelimiterLexError.Kind'; this is an error in the Swift 6 language mode
86 |
87 | public struct DelimiterLexError: Error, CustomStringConvertible {
88 | public enum Kind: Hashable {
| `- note: consider making enum 'Kind' conform to the 'Sendable' protocol
89 | case unterminated
90 | case invalidUTF8 // TODO: better range reporting
:
94 | }
95 |
96 | public var kind: Kind
| `- warning: stored property 'kind' of 'Sendable'-conforming struct 'DelimiterLexError' has non-sendable type 'DelimiterLexError.Kind'; this is an error in the Swift 6 language mode
97 |
98 | var resumeLocation: UnsafeSourceLocation
/host/spi-builder-workspace/Sources/_RegexParser/Regex/Parse/Diagnostics.swift:364:13: warning: stored property 'diag' of 'Sendable'-conforming struct 'ErrorDiagnostic' has non-sendable type 'Diagnostic'; this is an error in the Swift 6 language mode
269 |
270 | /// A diagnostic to emit.
271 | public struct Diagnostic: Hashable {
| `- note: consider making struct 'Diagnostic' conform to the 'Sendable' protocol
272 | public let behavior: Behavior
273 | public let message: String
:
362 | for diag in diags where diag.isAnyError {
363 | struct ErrorDiagnostic: Error, CustomStringConvertible {
364 | var diag: Diagnostic
| `- warning: stored property 'diag' of 'Sendable'-conforming struct 'ErrorDiagnostic' has non-sendable type 'Diagnostic'; this is an error in the Swift 6 language mode
365 | var description: String { diag.message }
366 | }
[38/70] Wrapping AST for ArgumentParserToolInfo for debugging
[40/116] Emitting module ArgumentParser
[41/122] Emitting module TestSupport
[42/122] Compiling TestSupport TestSupport.swift
/host/spi-builder-workspace/Sources/TestSupport/TestSupport.swift:29:5: error: cannot find 'XCTExpectFailure' in scope
27 | ) -> Bool {
28 | guard #available(SwiftStdlib 5.7, *) else {
29 | XCTExpectFailure { XCTFail("Unsupported stdlib", file: file, line: line) }
| `- error: cannot find 'XCTExpectFailure' in scope
30 | return false
31 | }
[43/122] Emitting module _RegexParser
/host/spi-builder-workspace/Sources/_RegexParser/Regex/Parse/DelimiterLexing.swift:96:14: warning: stored property 'kind' of 'Sendable'-conforming struct 'DelimiterLexError' has non-sendable type 'DelimiterLexError.Kind'; this is an error in the Swift 6 language mode
86 |
87 | public struct DelimiterLexError: Error, CustomStringConvertible {
88 | public enum Kind: Hashable {
| `- note: consider making enum 'Kind' conform to the 'Sendable' protocol
89 | case unterminated
90 | case invalidUTF8 // TODO: better range reporting
:
94 | }
95 |
96 | public var kind: Kind
| `- warning: stored property 'kind' of 'Sendable'-conforming struct 'DelimiterLexError' has non-sendable type 'DelimiterLexError.Kind'; this is an error in the Swift 6 language mode
97 |
98 | var resumeLocation: UnsafeSourceLocation
/host/spi-builder-workspace/Sources/_RegexParser/Regex/Parse/Diagnostics.swift:364:13: warning: stored property 'diag' of 'Sendable'-conforming struct 'ErrorDiagnostic' has non-sendable type 'Diagnostic'; this is an error in the Swift 6 language mode
269 |
270 | /// A diagnostic to emit.
271 | public struct Diagnostic: Hashable {
| `- note: consider making struct 'Diagnostic' conform to the 'Sendable' protocol
272 | public let behavior: Behavior
273 | public let message: String
:
362 | for diag in diags where diag.isAnyError {
363 | struct ErrorDiagnostic: Error, CustomStringConvertible {
364 | var diag: Diagnostic
| `- warning: stored property 'diag' of 'Sendable'-conforming struct 'ErrorDiagnostic' has non-sendable type 'Diagnostic'; this is an error in the Swift 6 language mode
365 | var description: String { diag.message }
366 | }
/host/spi-builder-workspace/Sources/_RegexParser/Regex/Parse/SourceLocation.swift:68:16: warning: stored property 'location' of 'Sendable'-conforming generic struct 'LocatedError' has non-sendable type 'SourceLocation' (aka 'Source.Location'); this is an error in the Swift 6 language mode
12 | extension Source {
13 | /// The location in the input of a parsed entity, presented as a region over the input
14 | public struct Location: Hashable {
| `- note: consider making struct 'Location' conform to the 'Sendable' protocol
15 | public var range: Range<Source.Position>
16 |
:
66 | public struct LocatedError<E: Error>: Error, LocatedErrorProtocol {
67 | public let error: E
68 | public let location: SourceLocation
| `- warning: stored property 'location' of 'Sendable'-conforming generic struct 'LocatedError' has non-sendable type 'SourceLocation' (aka 'Source.Location'); this is an error in the Swift 6 language mode
69 |
70 | init(_ e: E, _ r: SourceLocation) {
/host/spi-builder-workspace/Sources/_RegexParser/Utility/TypeConstruction.swift:22:2: warning: symbol name 'swift_getTupleTypeMetadata' is reserved for the Swift runtime and cannot be directly referenced without causing unpredictable behavior; this will become an error
20 |
21 |
22 | @_silgen_name("swift_getTupleTypeMetadata")
| `- warning: symbol name 'swift_getTupleTypeMetadata' is reserved for the Swift runtime and cannot be directly referenced without causing unpredictable behavior; this will become an error
23 | private func swift_getTupleTypeMetadata(
24 | request: Int,
[44/122] Compiling ArgumentParser ParentCommand.swift
[45/122] Compiling ArgumentParser AsyncParsableCommand.swift
[46/122] Compiling ArgumentParser CommandConfiguration.swift
[47/122] Compiling ArgumentParser CommandGroup.swift
[48/122] Compiling ArgumentParser Argument.swift
[49/122] Compiling ArgumentParser ArgumentDiscussion.swift
[50/122] Compiling ArgumentParser ArgumentHelp.swift
[51/122] Compiling ArgumentParser ParsableCommand.swift
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4609320-1":/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-6.1-latest swift build --swift-sdk wasm32-unknown-wasi 2>&1
wasm-6.1-latest: Pulling from swiftpackageindex/spi-images
Digest: sha256:276d66a16377d3ee059b2e3429cbc1154d9f01e42871e5d702fd5d8b9044d93d
Status: Image is up to date for registry.gitlab.com/swiftpackageindex/spi-images:wasm-6.1-latest
[0/1] Planning build
[1/1] Compiling plugin GenerateManual
[2/2] Compiling plugin GenerateDoccReference
Building for debugging...
[2/20] Write swift-version-24593BA9C3E375BF.txt
[4/53] Emitting module TestSupport
[5/53] Compiling TestSupport TestSupport.swift
/host/spi-builder-workspace/Sources/TestSupport/TestSupport.swift:29:5: error: cannot find 'XCTExpectFailure' in scope
27 | ) -> Bool {
28 | guard #available(SwiftStdlib 5.7, *) else {
29 | XCTExpectFailure { XCTFail("Unsupported stdlib", file: file, line: line) }
| `- error: cannot find 'XCTExpectFailure' in scope
30 | return false
31 | }
[6/53] Emitting module ArgumentParserToolInfo
BUILD FAILURE 6.1 wasm