Swift Package IndexBuild Information
Failed to build SwiftRegex, reference main (c8d5d8), with Swift 6.1 for Wasm on 24 Jun 2026 22:06:20 UTC.
Build Command
bash -c docker run --pull=always --rm -v "checkouts-53886769-0":/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:wasm-6.1-latest swift build --swift-sdk wasm32-unknown-wasi 2>&1Build Log
========================================
RunAll
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Builder version: 4071e0796c748d991a0123890d2f0ecadc8fcc8c
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/johnno1962/SwiftRegex5.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/johnno1962/SwiftRegex5
* branch main -> FETCH_HEAD
* [new branch] main -> origin/main
HEAD is now at c8d5d84 Concurrency.
Cloned https://github.com/johnno1962/SwiftRegex5.git
Revision (git rev-parse @):
c8d5d849da2f79b955e41d32da372e3e894a890c
SUCCESS checkout https://github.com/johnno1962/SwiftRegex5.git at main
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Build
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Selected platform: wasm
Swift version: 6.1
Building package at path: $PWD
https://github.com/johnno1962/SwiftRegex5.git
https://github.com/johnno1962/SwiftRegex5.git
WARNING: environment variable SUPPRESS_SWIFT_6_FLAGS is not set
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-53886769-0":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/swiftpackageindex/spi-images: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: sha256:87277f180438764e0763769462b4e00642129a1e8364b1cdaa91f88fde66785b
Status: Image is up to date for registry.gitlab.com/swiftpackageindex/spi-images:wasm-6.1-latest
Building for debugging...
[0/3] Write sources
[2/3] Write swift-version-24593BA9C3E375BF.txt
[4/7] Emitting module SwiftRegex
[5/7] Compiling SwiftRegex TupleRegex.swift
/host/spi-builder-workspace/Sources/SwiftRegex/TupleRegex.swift:454:100: error: escaping closure captures 'inout' parameter 'target'
441 | return String(target)
442 | }
443 | open func replacing<SP: StringProtocol>(target: inout SP, pos posin: Int? = nil,
| `- note: parameter 'target' is declared 'inout'
444 | group forceGroup: Int? = nil, count: UnsafeMutablePointer<Int>? = nil,
445 | templates: [T], global: Bool = false) {
:
452 |
453 | let nsTarget = NSString(string: String(target))
454 | regex.enumerateMatches(in: String(target), options: [], range: target.nsRange(pos: posin)) {
| `- error: escaping closure captures 'inout' parameter 'target'
455 | (match: NSTextCheckingResult?, flags: NSRegularExpression.MatchingFlags, stop: UnsafeMutablePointer<ObjCBool>) in
456 | guard let match = match else { return }
:
471 | .substring(with: NSMakeRange(pos, range.location - pos)))
472 | out.append(self.regex.replacementString(for: match, in:
473 | String(target), offset: 0, template: replacement))
| `- note: captured here
474 | pos = NSMaxRange(range)
475 | }
[6/7] Emitting module SwiftRegexD
/host/spi-builder-workspace/Sources/SwiftRegexD/TupleRegex.swift:454:100: error: escaping closure captures 'inout' parameter 'target'
441 | return String(target)
442 | }
443 | open func replacing<SP: StringProtocol>(target: inout SP, pos posin: Int? = nil,
| `- note: parameter 'target' is declared 'inout'
444 | group forceGroup: Int? = nil, count: UnsafeMutablePointer<Int>? = nil,
445 | templates: [T], global: Bool = false) {
:
452 |
453 | let nsTarget = NSString(string: String(target))
454 | regex.enumerateMatches(in: String(target), options: [], range: target.nsRange(pos: posin)) {
| `- error: escaping closure captures 'inout' parameter 'target'
455 | (match: NSTextCheckingResult?, flags: NSRegularExpression.MatchingFlags, stop: UnsafeMutablePointer<ObjCBool>) in
456 | guard let match = match else { return }
:
471 | .substring(with: NSMakeRange(pos, range.location - pos)))
472 | out.append(self.regex.replacementString(for: match, in:
473 | String(target), offset: 0, template: replacement))
| `- note: captured here
474 | pos = NSMaxRange(range)
475 | }
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-53886769-0":/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:wasm-6.1-latest swift build --swift-sdk wasm32-unknown-wasi 2>&1
wasm-6.1-latest: Pulling from swiftpackageindex/spi-images
Digest: sha256:87277f180438764e0763769462b4e00642129a1e8364b1cdaa91f88fde66785b
Status: Image is up to date for registry.gitlab.com/swiftpackageindex/spi-images:wasm-6.1-latest
[0/1] Planning build
Building for debugging...
[0/1] Write swift-version-24593BA9C3E375BF.txt
[2/5] Emitting module SwiftRegexD
[3/5] Compiling SwiftRegexD TupleRegex.swift
/host/spi-builder-workspace/Sources/SwiftRegexD/TupleRegex.swift:454:100: error: escaping closure captures 'inout' parameter 'target'
441 | return String(target)
442 | }
443 | open func replacing<SP: StringProtocol>(target: inout SP, pos posin: Int? = nil,
| `- note: parameter 'target' is declared 'inout'
444 | group forceGroup: Int? = nil, count: UnsafeMutablePointer<Int>? = nil,
445 | templates: [T], global: Bool = false) {
:
452 |
453 | let nsTarget = NSString(string: String(target))
454 | regex.enumerateMatches(in: String(target), options: [], range: target.nsRange(pos: posin)) {
| `- error: escaping closure captures 'inout' parameter 'target'
455 | (match: NSTextCheckingResult?, flags: NSRegularExpression.MatchingFlags, stop: UnsafeMutablePointer<ObjCBool>) in
456 | guard let match = match else { return }
:
471 | .substring(with: NSMakeRange(pos, range.location - pos)))
472 | out.append(self.regex.replacementString(for: match, in:
473 | String(target), offset: 0, template: replacement))
| `- note: captured here
474 | pos = NSMaxRange(range)
475 | }
[4/5] Emitting module SwiftRegex
[5/5] Compiling SwiftRegex TupleRegex.swift
/host/spi-builder-workspace/Sources/SwiftRegex/TupleRegex.swift:454:100: error: escaping closure captures 'inout' parameter 'target'
441 | return String(target)
442 | }
443 | open func replacing<SP: StringProtocol>(target: inout SP, pos posin: Int? = nil,
| `- note: parameter 'target' is declared 'inout'
444 | group forceGroup: Int? = nil, count: UnsafeMutablePointer<Int>? = nil,
445 | templates: [T], global: Bool = false) {
:
452 |
453 | let nsTarget = NSString(string: String(target))
454 | regex.enumerateMatches(in: String(target), options: [], range: target.nsRange(pos: posin)) {
| `- error: escaping closure captures 'inout' parameter 'target'
455 | (match: NSTextCheckingResult?, flags: NSRegularExpression.MatchingFlags, stop: UnsafeMutablePointer<ObjCBool>) in
456 | guard let match = match else { return }
:
471 | .substring(with: NSMakeRange(pos, range.location - pos)))
472 | out.append(self.regex.replacementString(for: match, in:
473 | String(target), offset: 0, template: replacement))
| `- note: captured here
474 | pos = NSMaxRange(range)
475 | }
BUILD FAILURE 6.1 wasm