Crust – Build Information – Swift Package Index

Build Information

Failed to build Crust, reference 0.13.0 (d63368), with Swift 6.4 for Wasm on 16 Sep 2026 10:56:52 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/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/rexmas/Crust.git
Reference: 0.13.0
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/rexmas/Crust
 * tag               0.13.0     -> FETCH_HEAD
HEAD is now at d633684 [swift-5.2] update readme
Cloned https://github.com/rexmas/Crust.git
Revision (git rev-parse @):
d6336843b93b8bc0cbfe2c4d452ac49614bb1844
SUCCESS checkout https://github.com/rexmas/Crust.git at 0.13.0
========================================
Build
========================================
Selected platform:         wasm
Swift version:             6.4
Building package at path:  $PWD
https://github.com/rexmas/Crust.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-53886769-0":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/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
Fetching https://github.com/rexmas/JSONValue.git
[1/652] Fetching jsonvalue
Fetched https://github.com/rexmas/JSONValue.git (0.54s)
Computing version for https://github.com/rexmas/JSONValue.git
Computed https://github.com/rexmas/JSONValue.git at 7.0.0 (0.73s)
Creating working copy for https://github.com/rexmas/JSONValue.git
Working copy of https://github.com/rexmas/JSONValue.git resolved at 7.0.0
Building for debugging...
[Pre-planning 1 / 96]
[23 / 38] JSONValueRX
[27 / 42] JSONValueRX
[39 / 50] Crust
/host/spi-builder-workspace/Crust/Mapper/MappingKey.swift:70:35: [1;33mwarning: [1;39mgeneric parameter 'K' shadows generic parameter from outer scope with the same name; this is an error in the Swift 6 language mode[0;0m
 [0;36m61 |[0;0m
 [0;36m62 |[0;0m /// Like `RootKey` but will use the `nestedMappingKeys` of the internal key.
 [0;36m63 |[0;0m public struct RootedKey<K: MappingKey>: MappingKey {
    [0;36m|[0;0m                         `- [1;39mnote: [1;39m'K' previously declared here[0;0m
 [0;36m64 |[0;0m     public let keyPath = ""
 [0;36m65 |[0;0m     public let rootedKey: K
    [0;36m:[0;0m
 [0;36m68 |[0;0m     }
 [0;36m69 |[0;0m
 [0;36m70 |[0;0m     public func nestedMappingKeys<K: MappingKey>() -> AnyKeyCollection<K>? {
    [0;36m|[0;0m                                   `- [1;33mwarning: [1;39mgeneric parameter 'K' shadows generic parameter from outer scope with the same name; this is an error in the Swift 6 language mode[0;0m
 [0;36m71 |[0;0m         return self.rootedKey.nestedMappingKeys()
 [0;36m72 |[0;0m     }
/host/spi-builder-workspace/Crust/Mapper/MappingOperator.swift:233:33: [1;33mwarning: [1;39mgeneric parameter 'K' shadows generic parameter from outer scope with the same name; this is an error in the Swift 6 language mode[0;0m
[0;36m231 |[0;0m     }
[0;36m232 |[0;0m
[0;36m233 |[0;0m     private func deconstruct<T, K, M>(binding: Binding<K, M>, fieldType: T.Type) throws -> (key: K, mapping: M) {
    [0;36m|[0;0m                                 `- [1;33mwarning: [1;39mgeneric parameter 'K' shadows generic parameter from outer scope with the same name; this is an error in the Swift 6 language mode[0;0m
[0;36m234 |[0;0m         guard case .mapping(let key, let mapping) = binding else {
[0;36m235 |[0;0m             throw MappingError.bindingDeconstructionFailure(fieldType: fieldType)
/host/spi-builder-workspace/Crust/Mapper/Mapper.swift:29:27: [1;39mnote: [1;39m'K' previously declared here[0;0m
 [0;36m27 |[0;0m }
 [0;36m28 |[0;0m
 [0;36m29 |[0;0m open class MappingPayload<K: MappingKey> {
    [0;36m|[0;0m                           `- [1;39mnote: [1;39m'K' previously declared here[0;0m
 [0;36m30 |[0;0m     open internal(set) var json: JSONValue
 [0;36m31 |[0;0m     open internal(set) var keys: AnyKeyCollection<K>
/host/spi-builder-workspace/Crust/Mapper/MappingOperator.swift:241:26: [1;33mwarning: [1;39mgeneric parameter 'K' shadows generic parameter from outer scope with the same name; this is an error in the Swift 6 language mode[0;0m
[0;36m239 |[0;0m     }
[0;36m240 |[0;0m
[0;36m241 |[0;0m     private func resolve<K, M>(keyedBinding: KeyedBinding<K, M>, key: K, inKeys: AnyKeyCollection<K>, mapping: M) throws -> ResolvedBinding<K, M> {
    [0;36m|[0;0m                          `- [1;33mwarning: [1;39mgeneric parameter 'K' shadows generic parameter from outer scope with the same name; this is an error in the Swift 6 language mode[0;0m
[0;36m242 |[0;0m         switch self.dir {
[0;36m243 |[0;0m         case .toJSON:
/host/spi-builder-workspace/Crust/Mapper/Mapper.swift:29:27: [1;39mnote: [1;39m'K' previously declared here[0;0m
 [0;36m27 |[0;0m }
 [0;36m28 |[0;0m
 [0;36m29 |[0;0m open class MappingPayload<K: MappingKey> {
    [0;36m|[0;0m                           `- [1;39mnote: [1;39m'K' previously declared here[0;0m
 [0;36m30 |[0;0m     open internal(set) var json: JSONValue
 [0;36m31 |[0;0m     open internal(set) var keys: AnyKeyCollection<K>
[40 / 50] Crust
[42 / 50] Crust
[45 / 50] JSONValueRX
error: SwiftCompile normal wasm32 /host/spi-builder-workspace/Crust/Mapper/Mapper.swift failed with a nonzero exit code. Command line:     cd /host
    builtin-SwiftPerFileCompile Mapper.swift
/host/spi-builder-workspace/Crust/Mapper/Mapper.swift:214:26: [1;31merror: [1;39mvalue of type 'NSObject' has no member 'setValue'[0;0m
[0;36m212 |[0;0m         if case let nsObject as NSObject = object, newInstance {
[0;36m213 |[0;0m             primaryKeyValues.forEach { (key, value) in
[0;36m214 |[0;0m                 [4;39mnsObject[0;0m.[4;39msetValue[0;0m(value, forKey: key)
    [0;36m|[0;0m                          `- [1;31merror: [1;39mvalue of type 'NSObject' has no member 'setValue'[0;0m
[0;36m215 |[0;0m             }
[0;36m216 |[0;0m         }
Failed frontend command:
/usr/bin/swift-frontend -frontend -c -primary-file /host/spi-builder-workspace/Crust/Mapper/Mapper.swift /host/spi-builder-workspace/Crust/Mapper/MappingKey.swift /host/spi-builder-workspace/Crust/Mapper/MappingOperator.swift /host/spi-builder-workspace/Crust/Mapper/MappingProtocols.swift /host/spi-builder-workspace/Crust/Utilities/AnyAdapter.swift /host/spi-builder-workspace/Crust/Utilities/Utilities.swift -emit-dependencies-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/Crust.build/Debug-webassembly-wasm32/Crust-t.build/Objects-normal/wasm32/Mapper.d -emit-const-values-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/Crust.build/Debug-webassembly-wasm32/Crust-t.build/Objects-normal/wasm32/Mapper.swiftconstvalues -emit-reference-dependencies-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/Crust.build/Debug-webassembly-wasm32/Crust-t.build/Objects-normal/wasm32/Mapper.swiftdeps -serialize-diagnostics-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/Crust.build/Debug-webassembly-wasm32/Crust-t.build/Objects-normal/wasm32/Mapper.dia -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 5 -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/Crust.build/Debug-webassembly-wasm32/Crust-t.build/DerivedSources-normal/wasm32 -Xcc -I/host/spi-builder-workspace/.build/out/Intermediates.noindex/Crust.build/Debug-webassembly-wasm32/Crust-t.build/DerivedSources/wasm32 -Xcc -I/host/spi-builder-workspace/.build/out/Intermediates.noindex/Crust.build/Debug-webassembly-wasm32/Crust-t.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG\=1 -no-auto-bridging-header-chaining -module-name Crust -const-gather-protocols-file /host/spi-builder-workspace/.build/out/Intermediates.noindex/Crust.build/Debug-webassembly-wasm32/Crust-t.build/Objects-normal/wasm32/Crust_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 -parse-as-library -o /host/spi-builder-workspace/.build/out/Intermediates.noindex/Crust.build/Debug-webassembly-wasm32/Crust-t.build/Objects-normal/wasm32/Mapper.o -index-unit-output-path /Crust.build/Debug-webassembly-wasm32/Crust-t.build/Objects-normal/wasm32/Mapper.o -index-store-path /host/spi-builder-workspace/.build/out -index-system-modules
error: Build failed
BUILD FAILURE 6.4 wasm