Swift Package IndexBuild Information
Failed to build AsyncObservable, reference 0.4.1 (0c7bde), with Swift 6.2 for Linux on 23 Jun 2025 07:14:00 UTC.
Build Command
bash -c docker run --pull=always --rm -v "checkouts-4609320-0":/host -w "$PWD" registry.gitlab.com/finestructure/spi-images:basic-6.2-latest swift build --triple x86_64-unknown-linux-gnu 2>&1Build Log
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RunAll
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Builder version: 4.64.0
Interrupt handler set up.
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Checkout
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Clone URL: https://github.com/meech-ward/AsyncObservable.git
Reference: 0.4.1
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/meech-ward/AsyncObservable
* tag 0.4.1 -> FETCH_HEAD
HEAD is now at 0c7bdec remove continuation manually if terminated by not being assigned
Cloned https://github.com/meech-ward/AsyncObservable.git
Revision (git rev-parse @):
0c7bdec1fb0c5341de7e463385683cb0b655f885
SPI manifest file found: $PWD/.spi.yml
SUCCESS checkout https://github.com/meech-ward/AsyncObservable.git at 0.4.1
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Build
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Selected platform: linux
Swift version: 6.2
Building package at path: $PWD
https://github.com/meech-ward/AsyncObservable.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4609320-0":/host -w "$PWD" registry.gitlab.com/finestructure/spi-images:basic-6.2-latest swift build --triple x86_64-unknown-linux-gnu 2>&1
basic-6.2-latest: Pulling from finestructure/spi-images
Digest: sha256:f81a7bd7aa87a0f81848d48c5bcc03f5f78deebd37fa5f9be9913077205d3687
Status: Image is up to date for registry.gitlab.com/finestructure/spi-images:basic-6.2-latest
Building for debugging...
[0/3] Write sources
[2/3] Write swift-version-24593BA9C3E375BF.txt
[4/9] Compiling AsyncObservable AsyncObservableReadOnly.swift
[5/9] Compiling AsyncObservable StreamOf.swift
/host/spi-builder-workspace/Sources/AsyncObservable/StreamOf.swift:10:69: warning: conformance of 'AsyncStream<Element>.Continuation.BufferingPolicy' to protocol 'Sendable' conflicts with that stated in the type's module '_Concurrency' and will be ignored; there cannot be more than one conformance, even with different conditional bounds
8 | #else
9 | @available(macOS 10.15, iOS 13, tvOS 13, watchOS 6, *)
10 | extension AsyncStream<Any>.Continuation.BufferingPolicy: @unchecked Sendable {}
| `- warning: conformance of 'AsyncStream<Element>.Continuation.BufferingPolicy' to protocol 'Sendable' conflicts with that stated in the type's module '_Concurrency' and will be ignored; there cannot be more than one conformance, even with different conditional bounds
11 | #endif
12 |
_Concurrency.AsyncStream.Continuation.BufferingPolicy:3:47: note: 'AsyncStream<Element>.Continuation.BufferingPolicy' declares conformance to protocol 'Sendable' here
1 | generic struct AsyncStream {
2 | struct Continuation {
3 | public enum AsyncStream<Element>.Continuation.BufferingPolicy : Sendable {
| `- note: 'AsyncStream<Element>.Continuation.BufferingPolicy' declares conformance to protocol 'Sendable' here
4 | case unbounded
5 | case bufferingOldest(Int)
[6/9] Compiling AsyncObservable AsyncObservableUnwrapped.swift
[7/9] Compiling AsyncObservable AsyncObservable.swift
[8/9] Emitting module AsyncObservable
/host/spi-builder-workspace/Sources/AsyncObservable/StreamOf.swift:10:69: warning: conformance of 'AsyncStream<Element>.Continuation.BufferingPolicy' to protocol 'Sendable' conflicts with that stated in the type's module '_Concurrency' and will be ignored; there cannot be more than one conformance, even with different conditional bounds
8 | #else
9 | @available(macOS 10.15, iOS 13, tvOS 13, watchOS 6, *)
10 | extension AsyncStream<Any>.Continuation.BufferingPolicy: @unchecked Sendable {}
| `- warning: conformance of 'AsyncStream<Element>.Continuation.BufferingPolicy' to protocol 'Sendable' conflicts with that stated in the type's module '_Concurrency' and will be ignored; there cannot be more than one conformance, even with different conditional bounds
11 | #endif
12 |
_Concurrency.AsyncStream.Continuation.BufferingPolicy:3:47: note: 'AsyncStream<Element>.Continuation.BufferingPolicy' declares conformance to protocol 'Sendable' here
1 | generic struct AsyncStream {
2 | struct Continuation {
3 | public enum AsyncStream<Element>.Continuation.BufferingPolicy : Sendable {
| `- note: 'AsyncStream<Element>.Continuation.BufferingPolicy' declares conformance to protocol 'Sendable' here
4 | case unbounded
5 | case bufferingOldest(Int)
[9/9] Compiling AsyncObservable AsyncObservableBase.swift
error: compile command failed due to signal 6 (use -v to see invocation)
[11/12] Emitting module AsyncObservableUserDefaults
swift-frontend: /home/build-user/swift/lib/Sema/TypeCheckDeclPrimary.cpp:1171: void checkInheritedDefaultValueRestrictions(ParamDecl *): Assertion `(DC->isInSwiftinterface() || PD->isImplicit()) && "explicit inherited default argument outside of a module interface?"' failed.
Please submit a bug report (https://swift.org/contributing/#reporting-bugs) and include the crash backtrace.
Stack dump:
0. Program arguments: /usr/bin/swift-frontend -frontend -c -primary-file /host/spi-builder-workspace/Sources/AsyncObservableUserDefaults/AsyncObservableUserDefaults.swift -emit-dependencies-path /host/spi-builder-workspace/.build/x86_64-unknown-linux-gnu/debug/AsyncObservableUserDefaults.build/AsyncObservableUserDefaults.d -emit-reference-dependencies-path /host/spi-builder-workspace/.build/x86_64-unknown-linux-gnu/debug/AsyncObservableUserDefaults.build/AsyncObservableUserDefaults.swiftdeps -serialize-diagnostics-path /host/spi-builder-workspace/.build/x86_64-unknown-linux-gnu/debug/AsyncObservableUserDefaults.build/AsyncObservableUserDefaults.dia -target x86_64-unknown-linux-gnu -disable-objc-interop -I /host/spi-builder-workspace/.build/x86_64-unknown-linux-gnu/debug/Modules -no-color-diagnostics -Xcc -fno-color-diagnostics -enable-testing -g -debug-info-format=dwarf -dwarf-version=4 -module-cache-path /host/spi-builder-workspace/.build/x86_64-unknown-linux-gnu/debug/ModuleCache -swift-version 5 -Onone -D SWIFT_PACKAGE -D DEBUG -D SWIFT_MODULE_RESOURCE_BUNDLE_UNAVAILABLE -empty-abi-descriptor -enable-anonymous-context-mangled-names -file-compilation-dir /host/spi-builder-workspace -Xcc -g -Xcc -fno-omit-frame-pointer -no-auto-bridging-header-chaining -module-name AsyncObservableUserDefaults -package-name spi_builder_workspace -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/x86_64-unknown-linux-gnu/debug/AsyncObservableUserDefaults.build/AsyncObservableUserDefaults.swift.o -index-store-path /host/spi-builder-workspace/.build/x86_64-unknown-linux-gnu/debug/index/store -index-system-modules
1. Swift version 6.2-dev (LLVM 0d47fa0a0fd41fb, Swift 536aa932a9e0ea3)
2. Compiling with effective version 5.10
3. While evaluating request TypeCheckPrimaryFileRequest(source_file "/host/spi-builder-workspace/Sources/AsyncObservableUserDefaults/AsyncObservableUserDefaults.swift")
4. While evaluating request TypeCheckFunctionBodyRequest(AsyncObservableUserDefaults.(file).AsyncObservableUserDefaults.init(key:initialValue:userDefaults:serialQueue:saveImmediately:)@/host/spi-builder-workspace/Sources/AsyncObservableUserDefaults/AsyncObservableUserDefaults.swift:42:10)
5. While type-checking statement at [/host/spi-builder-workspace/Sources/AsyncObservableUserDefaults/AsyncObservableUserDefaults.swift:48:5 - line:61:3] RangeText="{
var _initialValue = initialValue
self.userDefaults = userDefaults
let data = userDefaults.data(forKey: key)
if let data, let value = try? JSONDecoder().decode(T.self, from: data) {
_initialValue = value
}
self.key = key
super.init(_initialValue, serialQueue: serialQueue)
if saveImmediately && data == nil {
save(initialValue, forKey: key)
}
"
6. While type-checking expression at [/host/spi-builder-workspace/Sources/AsyncObservableUserDefaults/AsyncObservableUserDefaults.swift:57:5 - line:57:55] RangeText="super.init(_initialValue, serialQueue: serialQueue"
7. While type-checking-target starting at /host/spi-builder-workspace/Sources/AsyncObservableUserDefaults/AsyncObservableUserDefaults.swift:57:11
8. While evaluating request DefaultArgumentTypeRequest(AsyncObservable.(file).AsyncObservable.init(_:bufferingPolicy:serialQueue:).bufferingPolicy)
9. While evaluating request DefaultArgumentExprRequest(AsyncObservable.(file).AsyncObservable.init(_:bufferingPolicy:serialQueue:).bufferingPolicy)
Stack dump without symbol names (ensure you have llvm-symbolizer in your PATH or set the environment var `LLVM_SYMBOLIZER_PATH` to point to it):
0 swift-frontend 0x000056246377a918
1 swift-frontend 0x000056246377843e
2 swift-frontend 0x000056246377afb1
3 libc.so.6 0x00007f1f00776520
4 libc.so.6 0x00007f1f007ca9fc pthread_kill + 300
5 libc.so.6 0x00007f1f00776476 raise + 22
6 libc.so.6 0x00007f1f0075c7f3 abort + 211
7 libc.so.6 0x00007f1f0075c71b
8 libc.so.6 0x00007f1f0076de96
9 swift-frontend 0x000056245d20a305
10 swift-frontend 0x000056245d8b34e7
11 swift-frontend 0x000056245d814eab
12 swift-frontend 0x000056245d20a3a9
13 swift-frontend 0x000056245d8b4b87
14 swift-frontend 0x000056245d814f87
15 swift-frontend 0x000056245cff23db
16 swift-frontend 0x000056245cff0558
17 swift-frontend 0x000056245cfdf45e
18 swift-frontend 0x000056245cfbaeaf
19 swift-frontend 0x000056245cfaa2df
20 swift-frontend 0x000056245d777346
21 swift-frontend 0x000056245d777310
22 swift-frontend 0x000056245d777253
23 swift-frontend 0x000056245cfa47be
24 swift-frontend 0x000056245cfa2365
25 swift-frontend 0x000056245d01b590
26 swift-frontend 0x000056245d01af5f
27 swift-frontend 0x000056245d1bfb46
28 swift-frontend 0x000056245d1bf9c1
29 swift-frontend 0x000056245d1bf896
30 swift-frontend 0x000056245d2c0078
31 swift-frontend 0x000056245d2c442d
32 swift-frontend 0x000056245d2c207c
33 swift-frontend 0x000056245d2c18c4
34 swift-frontend 0x000056245d2c145e
35 swift-frontend 0x000056245d8c00e2
36 swift-frontend 0x000056245d817bd9
37 swift-frontend 0x000056245d99e398
38 swift-frontend 0x000056245d32ee62
39 swift-frontend 0x000056245d330e4b
40 swift-frontend 0x000056245d32ed45
41 swift-frontend 0x000056245be85129
42 swift-frontend 0x000056245be7b3ea
43 swift-frontend 0x000056245be7b1db
44 swift-frontend 0x000056245bb243c2
45 swift-frontend 0x000056245bb157de
46 swift-frontend 0x000056245bb14878
47 swift-frontend 0x000056245b89026b
48 libc.so.6 0x00007f1f0075dd90
49 libc.so.6 0x00007f1f0075de40 __libc_start_main + 128
50 swift-frontend 0x000056245b88f265
BUILD FAILURE 6.2 linux