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Build Information

Failed to build BTree, reference master (407fda), with Swift 6.4 for Wasm on 16 Sep 2026 09:00:38 UTC.

Build Command

bash -c docker run --pull=always --rm -v "checkouts-53886769-1":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/saguaro1/spi-images:wasm-6.4-latest swift build --swift-sdk swift-6.4.x-DEVELOPMENT-SNAPSHOT-2026-09-04-a_wasm 2>&1

Build Log

========================================
RunAll
========================================
Builder version: 5.1.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/attaswift/BTree.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/attaswift/BTree
 * branch            master     -> FETCH_HEAD
 * [new branch]      master     -> origin/master
HEAD is now at 407fda7 Removed dynamic from library option in Package.swift to let client project determine whether to link dynamically or staticly
Cloned https://github.com/attaswift/BTree.git
Revision (git rev-parse @):
407fda73e18cc9df9130453ee36f73408c22408f
SUCCESS checkout https://github.com/attaswift/BTree.git at master
========================================
Build
========================================
Selected platform:         wasm
Swift version:             6.4
Building package at path:  $PWD
https://github.com/attaswift/BTree.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-53886769-1":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/saguaro1/spi-images:wasm-6.4-latest swift build --swift-sdk swift-6.4.x-DEVELOPMENT-SNAPSHOT-2026-09-04-a_wasm 2>&1
wasm-6.4-latest: Pulling from saguaro1/spi-images
Digest: sha256:4328fdb43c680d205c1d6761b1e3267aa38277eefdda9ddfb17b6a0f1a77857a
Status: Image is up to date for registry.gitlab.com/saguaro1/spi-images:wasm-6.4-latest
Building for debugging...
[Planning deferred tasks]
error: SwiftCompile normal wasm32 failed with a nonzero exit code. Command line:     cd /host

/host/spi-builder-workspace/Sources/BTree.swift:292:5: warning: 'public' modifier is redundant for property declared in a public extension
 290 |     ///
 291 |     /// - Complexity: O(log(`count`))
 292 |     public var first: Element? {
     |     `- warning: 'public' modifier is redundant for property declared in a public extension
 293 |         return root.first
 294 |     }
/host/spi-builder-workspace/Sources/BTree.swift:299:5: warning: 'public' modifier is redundant for property declared in a public extension
 297 |     ///
 298 |     /// - Complexity: O(log(`count`))
 299 |     public var last: Element? {
     |     `- warning: 'public' modifier is redundant for property declared in a public extension
 300 |         return root.last
 301 |     }
/host/spi-builder-workspace/Sources/BTree.swift:307:5: warning: 'public' modifier is redundant for instance method declared in a public extension
 305 |     /// - Requires: `offset >= 0 && offset < count`
 306 |     /// - Complexity: O(log(`count`))
 307 |     public func element(atOffset offset: Int) -> Element {
     |     `- warning: 'public' modifier is redundant for instance method declared in a public extension
 308 |         precondition(offset >= 0 && offset < count)
 309 |         var offset = offset
/host/spi-builder-workspace/Sources/BTree.swift:327:5: warning: 'public' modifier is redundant for instance method declared in a public extension
 325 |     ///
 326 |     /// - Complexity: O(log(`count`))
 327 |     public func value(of key: Key, choosing selector: BTreeKeySelector = .any) -> Value? {
     |     `- warning: 'public' modifier is redundant for instance method declared in a public extension
 328 |         switch selector {
 329 |         case .any:
/host/spi-builder-workspace/Sources/BTree.swift:365:5: warning: 'public' modifier is redundant for instance method declared in a public extension
 363 |     ///
 364 |     /// - Complexity: O(log(`count`))
 365 |     public func index(forKey key: Key, choosing selector: BTreeKeySelector = .any) -> Index? {
     |     `- warning: 'public' modifier is redundant for instance method declared in a public extension
 366 |         let path = BTreeWeakPath(root: root, key: key, choosing: selector)
 367 |         guard !path.isAtEnd && (selector == .after || path.key == key) else { return nil }
/host/spi-builder-workspace/Sources/BTree.swift:377:5: warning: 'public' modifier is redundant for instance method declared in a public extension
 375 |     ///
 376 |     /// - Complexity: O(log(`count`))
 377 |     public func index(forInserting key: Key, at selector: BTreeKeySelector = .any) -> Index {
     |     `- warning: 'public' modifier is redundant for instance method declared in a public extension
 378 |         let path = BTreeWeakPath(root: root, key: key, choosing: selector == .last ? .after : selector)
 379 |         return Index(path)
/host/spi-builder-workspace/Sources/BTree.swift:386:5: warning: 'public' modifier is redundant for instance method declared in a public extension
 384 |     ///
 385 |     /// - Complexity: O(log(`count`))
 386 |     public func offset(forKey key: Key, choosing selector: BTreeKeySelector = .any) -> Int? {
     |     `- warning: 'public' modifier is redundant for instance method declared in a public extension
 387 |         var node = root
 388 |         var offset = 0
/host/spi-builder-workspace/Sources/BTree.swift:413:5: warning: 'public' modifier is redundant for instance method declared in a public extension
 411 |     ///
 412 |     /// - Complexity: O(1)
 413 |     public func offset(of index: Index) -> Int {
     |     `- warning: 'public' modifier is redundant for instance method declared in a public extension
 414 |         index.state.expectRoot(root)
 415 |         return index.state.offset
/host/spi-builder-workspace/Sources/BTree.swift:422:5: warning: 'public' modifier is redundant for instance method declared in a public extension
 420 |     /// - Requires: `offset >= 0 && offset <= count`
 421 |     /// - Complexity: O(log(`count`))
 422 |     public func index(ofOffset offset: Int) -> Index {
     |     `- warning: 'public' modifier is redundant for instance method declared in a public extension
 423 |         return Index(BTreeWeakPath(root: root, offset: offset))
 424 |     }
/host/spi-builder-workspace/Sources/BTreeMerger.swift:690:5: warning: 'internal' modifier is redundant for instance method declared in an internal extension
688 |
689 |     /// Move sideways `n` slots to the right, skipping over subtrees along the way.
690 |     internal mutating func skipForward(_ n: Int) {
    |     `- warning: 'internal' modifier is redundant for instance method declared in an internal extension
691 |         if !node.isLeaf {
692 |             for i in 0 ..< n {
/host/spi-builder-workspace/Sources/BridgedList.swift:57:78: error: cannot find type 'NSFastEnumerationState' in scope
55 |     }
56 |
57 |     public override func countByEnumerating(with state: UnsafeMutablePointer<NSFastEnumerationState>, objects buffer: AutoreleasingUnsafeMutablePointer<AnyObject?>, count len: Int) -> Int {
   |                                                                              `- error: cannot find type 'NSFastEnumerationState' in scope
58 |         precondition(MemoryLayout<(EmptyKey, Value)>.size == MemoryLayout<Value>.size)
59 |         precondition(MemoryLayout<(EmptyKey, Value)>.stride == MemoryLayout<Value>.stride)
/host/spi-builder-workspace/Sources/BridgedList.swift:57:119: error: cannot find type 'AutoreleasingUnsafeMutablePointer' in scope
55 |     }
56 |
57 |     public override func countByEnumerating(with state: UnsafeMutablePointer<NSFastEnumerationState>, objects buffer: AutoreleasingUnsafeMutablePointer<AnyObject?>, count len: Int) -> Int {
   |                                                                                                                       `- error: cannot find type 'AutoreleasingUnsafeMutablePointer' in scope
58 |         precondition(MemoryLayout<(EmptyKey, Value)>.size == MemoryLayout<Value>.size)
59 |         precondition(MemoryLayout<(EmptyKey, Value)>.stride == MemoryLayout<Value>.stride)
/host/spi-builder-workspace/Sources/List.swift:300:5: warning: 'public' modifier is redundant for instance method declared in a public extension
298 |     ///
299 |     /// [equivalence relation]: https://en.wikipedia.org/wiki/Equivalence_relation
300 |     public func elementsEqual(_ other: List<Element>, by isEquivalent: (Element, Element) throws -> Bool) rethrows -> Bool {
    |     `- warning: 'public' modifier is redundant for instance method declared in a public extension
301 |         return try self.tree.elementsEqual(other.tree, by: { try isEquivalent($0.1, $1.1) })
302 |     }
/host/spi-builder-workspace/Sources/List.swift:308:5: warning: 'public' modifier is redundant for instance method declared in a public extension
306 |     ///
307 |     /// - Complexity: O(`count`)
308 |     public func index(where predicate: (Element) throws -> Bool) rethrows -> Index? {
    |     `- warning: 'public' modifier is redundant for instance method declared in a public extension
309 |         var i = 0
310 |         try self.tree.forEach { element -> Bool in
/host/spi-builder-workspace/Sources/List.swift:332:5: warning: 'public' modifier is redundant for instance method declared in a public extension
330 |     ///
331 |     /// [equivalence relation]: https://en.wikipedia.org/wiki/Equivalence_relation
332 |     public func elementsEqual(_ other: List<Element>) -> Bool {
    |     `- warning: 'public' modifier is redundant for instance method declared in a public extension
333 |         return self.tree.elementsEqual(other.tree, by: { $0.1 == $1.1 })
334 |     }
/host/spi-builder-workspace/Sources/List.swift:339:5: warning: 'public' modifier is redundant for instance method declared in a public extension
337 |     ///
338 |     /// - Complexity: O(`count`)
339 |     public func index(of element: Element) -> Index? {
    |     `- warning: 'public' modifier is redundant for instance method declared in a public extension
340 |         var i = 0
341 |         self.tree.forEach { e -> Bool in
/host/spi-builder-workspace/Sources/List.swift:352:5: warning: 'public' modifier is redundant for instance method declared in a public extension
350 |
351 |     /// Return true iff `element` is in `self`.
352 |     public func contains(_ element: Element) -> Bool {
    |     `- warning: 'public' modifier is redundant for instance method declared in a public extension
353 |         return index(of: element) != nil
354 |     }
/host/spi-builder-workspace/Sources/List.swift:362:5: warning: 'public' modifier is redundant for operator function declared in a public extension
360 |     ///
361 |     /// - Complexity: O(`count`)
362 |     public static func ==(a: List, b: List) -> Bool {
    |     `- warning: 'public' modifier is redundant for operator function declared in a public extension
363 |         return a.elementsEqual(b)
364 |     }
/host/spi-builder-workspace/Sources/List.swift:367:5: warning: 'public' modifier is redundant for operator function declared in a public extension
365 |
366 |     /// Returns false iff the two lists do not have the same elements in the same order.
367 |     public static func !=(a: List, b: List) -> Bool {
    |     `- warning: 'public' modifier is redundant for operator function declared in a public extension
368 |         return !(a == b)
369 |     }
Failed frontend command:
/usr/bin/swift-frontend -frontend -emit-module -experimental-skip-non-inlinable-function-bodies-without-types /host/spi-builder-workspace/Sources/BTree.swift /host/spi-builder-workspace/Sources/BTreeBuilder.swift /host/spi-builder-workspace/Sources/BTreeComparisons.swift /host/spi-builder-workspace/Sources/BTreeCursor.swift /host/spi-builder-workspace/Sources/BTreeIndex.swift /host/spi-builder-workspace/Sources/BTreeIterator.swift /host/spi-builder-workspace/Sources/BTreeMerger.swift /host/spi-builder-workspace/Sources/BTreeNode.swift /host/spi-builder-workspace/Sources/BTreePath.swift /host/spi-builder-workspace/Sources/BridgedList.swift /host/spi-builder-workspace/Sources/Compatibility.swift /host/spi-builder-workspace/Sources/List.swift /host/spi-builder-workspace/Sources/Map.swift /host/spi-builder-workspace/Sources/SortedBag.swift /host/spi-builder-workspace/Sources/SortedSet.swift /host/spi-builder-workspace/Sources/Weak.swift -target wasm32-unknown-wasip1 -disable-objc-interop -sdk /root/.swiftpm/swift-sdks/swift-6.4.x-DEVELOPMENT-SNAPSHOT-2026-09-04-a_wasm.artifactbundle/swift-6.4.x-DEVELOPMENT-SNAPSHOT-2026-09-04-a_wasm/wasm32-unknown-wasip1/WASI.sdk -sysroot /root/.swiftpm/swift-sdks/swift-6.4.x-DEVELOPMENT-SNAPSHOT-2026-09-04-a_wasm.artifactbundle/swift-6.4.x-DEVELOPMENT-SNAPSHOT-2026-09-04-a_wasm/wasm32-unknown-wasip1/WASI.sdk -I /host/spi-builder-workspace/.build/out/Products/Debug-webassembly-wasm32 -module-cache-path /host/spi-builder-workspace/.build/out/ModuleCache.noindex -color-diagnostics -Xcc -fcolor-diagnostics -enable-testing -g -debug-info-format\=dwarf -dwarf-version\=4 -swift-version 4 -Onone -D SWIFT_PACKAGE -D DEBUG -D SWIFT_MODULE_RESOURCE_BUNDLE_UNAVAILABLE -D Xcode -serialize-debugging-options -enable-experimental-feature DebugDescriptionMacro -empty-abi-descriptor -external-plugin-path /usr/lib/swift/host/plugins/testing\#/usr/bin/swift-plugin-server -validate-clang-modules-once -clang-build-session-file /host/spi-builder-workspace/.build/out/ModuleCache.noindex/Session.modulevalidation -Xcc -working-directory -Xcc /host -resource-dir /root/.swiftpm/swift-sdks/swift-6.4.x-DEVELOPMENT-SNAPSHOT-2026-09-04-a_wasm.artifactbundle/swift-6.4.x-DEVELOPMENT-SNAPSHOT-2026-09-04-a_wasm/wasm32-unknown-wasip1/swift.xctoolchain/usr/lib/swift_static -use-static-resource-dir -enable-anonymous-context-mangled-names -file-compilation-dir /host -Xcc -resource-dir -Xcc /root/.swiftpm/swift-sdks/swift-6.4.x-DEVELOPMENT-SNAPSHOT-2026-09-04-a_wasm.artifactbundle/swift-6.4.x-DEVELOPMENT-SNAPSHOT-2026-09-04-a_wasm/wasm32-unknown-wasip1/swift.xctoolchain/usr/lib/swift_static/clang -Xcc -D_LIBCPP_HARDENING_MODE\=_LIBCPP_HARDENING_MODE_DEBUG -Xcc -fmodules-prune-interval\=86400 -Xcc -fmodules-prune-after\=345600 -Xcc -I/host/spi-builder-workspace/.build/out/Products/Debug-webassembly-wasm32/include -Xcc -I/host/spi-builder-workspace/.build/out/Intermediates.noindex/BTree.build/Debug-webassembly-wasm32/BTree-t.build/DerivedSources-normal/wasm32 -Xcc -I/host/spi-builder-workspace/.build/out/Intermediates.noindex/BTree.build/Debug-webassembly-wasm32/BTree-t.build/DerivedSources/wasm32 -Xcc -I/host/spi-builder-workspace/.build/out/Intermediates.noindex/BTree.build/Debug-webassembly-wasm32/BTree-t.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG\=1 -no-auto-bridging-header-chaining -module-name BTree -const-gather-protocols-file /host/spi-builder-workspace/.build/out/Intermediates.noindex/BTree.build/Debug-webassembly-wasm32/BTree-t.build/Objects-normal/wasm32/BTree_const_extract_protocols.json -in-process-plugin-server-path /usr/lib/swift/host/libSwiftInProcPluginServer.so -plugin-path /usr/lib/swift/host/plugins -plugin-path /usr/local/lib/swift/host/plugins -emit-module-doc-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/BTree.build/Debug-webassembly-wasm32/BTree-t.build/Objects-normal/wasm32/Modules/BTree.swiftdoc -emit-module-source-info-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/BTree.build/Debug-webassembly-wasm32/BTree-t.build/Objects-normal/wasm32/Modules/BTree.swiftsourceinfo -emit-objc-header-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/BTree.build/Debug-webassembly-wasm32/BTree-t.build/Objects-normal/wasm32/BTree-Swift.h -serialize-diagnostics-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/BTree.build/Debug-webassembly-wasm32/BTree-t.build/Objects-normal/wasm32/BTree-primary-emit-module.dia -emit-dependencies-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/BTree.build/Debug-webassembly-wasm32/BTree-t.build/Objects-normal/wasm32/BTree-primary-emit-module.d -parse-as-library -o /host/spi-builder-workspace/.build/out/Intermediates.noindex/BTree.build/Debug-webassembly-wasm32/BTree-t.build/Objects-normal/wasm32/Modules/BTree.swiftmodule
error: Build failed
BUILD FAILURE 6.4 wasm