Swift Package IndexBuild Information
Failed to build Flock, reference master (d61e7f), with Swift 6.4 for Linux on 15 Sep 2026 19:48:54 UTC.
Build Command
bash -c docker run --pull=always --rm -v "checkouts-54344843-0":/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:basic-6.4-latest swift build --triple x86_64-unknown-linux-gnu 2>&1Build Log
========================================
RunAll
========================================
Builder version: 5.1.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/jakeheis/flock.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/jakeheis/flock
* branch master -> FETCH_HEAD
* [new branch] master -> origin/master
HEAD is now at d61e7fd Update README
Cloned https://github.com/jakeheis/flock.git
Revision (git rev-parse @):
d61e7fd3ef4f731382fca192976682953784be13
SUCCESS checkout https://github.com/jakeheis/flock.git at master
========================================
Build
========================================
Selected platform: linux
Swift version: 6.4
Building package at path: $PWD
https://github.com/jakeheis/flock.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-54344843-0":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/saguaro1/spi-images:basic-6.4-latest swift build --triple x86_64-unknown-linux-gnu 2>&1
basic-6.4-latest: Pulling from saguaro1/spi-images
Digest: sha256:c77fcce225e223ac0fafed844619173fc6de8d62dd560eeb28db3182af6a282b
Status: Image is up to date for registry.gitlab.com/saguaro1/spi-images:basic-6.4-latest
Fetching https://github.com/jakeheis/Shout
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Creating working copy for https://github.com/drmohundro/SWXMLHash.git
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Creating working copy for https://github.com/jakeheis/SwiftCLI
Working copy of https://github.com/jakeheis/SwiftCLI resolved at 5.3.3
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Working copy of https://github.com/jpsim/Yams.git resolved at 6.2.2
Creating working copy for https://github.com/jakeheis/Shout
Working copy of https://github.com/jakeheis/Shout resolved at 0.5.7
Creating working copy for https://github.com/kylef/PathKit.git
Working copy of https://github.com/kylef/PathKit.git resolved at 0.9.2
Creating working copy for https://github.com/yonaskolb/Beak
Working copy of https://github.com/yonaskolb/Beak resolved at 0.5.1
Creating working copy for https://github.com/jpsim/SourceKitten
Working copy of https://github.com/jpsim/SourceKitten resolved at 0.38.0
warning: 'shout': couldn't find pc file for libssh2
Building for debugging...
[Computing dependencies]
[Pre-planning 1 / 456]
*** Signal 11: Backtracing from 0x7d45149289aa... done ***
*** Program crashed: Bad pointer dereference at 0xffff9e6490e54822 ***
Platform: x86_64 Linux (Ubuntu 22.04.5 LTS)
Thread 2 "DispatchWorker" crashed:
0 0x00007d45149289aa _dispatch_event_loop_drain + 1130 in libdispatch.so
1 [ra] 0x00007d451491e002 _dispatch_mgr_invoke + 129 in libdispatch.so
2 [ra] 0x00007d451491df6d _dispatch_mgr_thread + 108 in libdispatch.so
3 [ra] 0x00007d4514921195 _dispatch_worker_thread + 660 in libdispatch.so
Thread 0 "swift-build":
0 0x00007d451333080a <unknown> in libc.so.6
1 [ra] 0x00007d451491ec39 _dispatch_sig_thread + 8 in libdispatch.so
Thread 1 "DispatchWorker":
0 0x00007d451337f0d7 <unknown> in libc.so.6
Thread 3 "DispatchWorker":
0 0x00007d451337f0d7 <unknown> in libc.so.6
Thread 4 "DispatchWorker":
0 0x00007d451337f0d7 <unknown> in libc.so.6
Thread 5 "DispatchWorker":
0 0x00007d451337f0d7 <unknown> in libc.so.6
Thread 6 "DispatchWorker":
0 0x00007d451337f0d7 <unknown> in libc.so.6
Thread 7 "DispatchWorker":
0 0x00007d451337f0d7 <unknown> in libc.so.6
Thread 8 "DispatchWorker":
0 0x00007d45150937fd swift_release + 61 in libswiftCore.so
1 [ra] 0x00007d4514f2e399 swift_unboxFromSwiftValueWithType + 472 in libswiftCore.so
2 [ra] 0x00007d451508a720 tryCast(swift::OpaqueValue*, swift::TargetMetadata<swift::InProcess> const*, swift::OpaqueValue*, swift::TargetMetadata<swift::InProcess> const*, swift::TargetMetadata<swift::InProcess> const*&, swift::TargetMetadata<swift::InProcess> const*&, bool, bool, bool) + 991 in libswiftCore.so
3 [ra] 0x00007d451508a8a2 tryCast(swift::OpaqueValue*, swift::TargetMetadata<swift::InProcess> const*, swift::OpaqueValue*, swift::TargetMetadata<swift::InProcess> const*, swift::TargetMetadata<swift::InProcess> const*&, swift::TargetMetadata<swift::InProcess> const*&, bool, bool, bool) + 1377 in libswiftCore.so
4 [ra] 0x00007d451508a2d9 swift_dynamicCast + 88 in libswiftCore.so
5 [ra] [inlined] 0x0000619b6cd28f7e specialized Ref.instance.getter in swift-package at swift-build/Sources/SWBUtil/Ref.swift:35:26
6 [ra] 0x0000619b6cd28f7e closure #1 in ImmutablePluginManager.extensions<A>(of:) + 77 in swift-package at /home/build-user/swift-build/Sources/SWBUtil/PluginManager.swift:225:29
7 [ra] [inlined] 0x0000619b6cd28d7a specialized Sequence.flatMap<A>(_:) in swift-package at /home/build-user/swift-build/Sources/SWBUtil/PluginManager.swift
8 [ra] 0x0000619b6cd28d7a ImmutablePluginManager.extensions<A>(of:) + 297 in swift-package at /home/build-user/swift-build/Sources/SWBUtil/PluginManager.swift:224:52
9 [ra] [thunk] 0x0000619b6cd291a0 protocol witness for PluginManager.extensions<A>(of:) in conformance ImmutablePluginManager + 15 in swift-package at //<compiler-generated>
10 [ra] 0x0000619b6d51ab76 taskProducerExtensions(_:) + 85 in swift-package at /home/build-user/swift-build/Sources/SWBTaskConstruction/ProductPlanning/ProductPlanner.swift:18:58
11 [ra] 0x0000619b6d4e9da5 closure #2 in closure #4 in BuildPlan.init(planRequest:taskPlanningDelegate:) + 20 in swift-package at /home/build-user/swift-build/Sources/SWBTaskConstruction/ProductPlanning/BuildPlan.swift:176:34
12 [async] [thunk] 0x0000619b6d4f71e0 partial apply for closure #2 in closure #4 in BuildPlan.init(planRequest:taskPlanningDelegate:) in swift-package
13 [async] [thunk] 0x0000619b6d4f71a0 thunk for @escaping @callee_guaranteed @Sendable @async (@guaranteed ProductPlanResultContext, @in_guaranteed TaskProducer) -> () in swift-package
14 [async] [system] 0x0000619b6d4f6370 partial apply for thunk for @escaping @callee_guaranteed @Sendable @async (@guaranteed ProductPlanResultContext, @in_guaranteed TaskProducer) -> () in swift-package at //<compiler-generated>
15 [async] 0x0000619b6ccfeea0 closure #1 in Sequence<>.parallelForEach<A>(group:maximumParallelism:_:) in swift-package
16 [async] [thunk] 0x0000619b6ccfeb40 partial apply for closure #1 in Sequence<>.parallelForEach<A>(group:maximumParallelism:_:) in swift-package at //<compiler-generated>
17 [async] [thunk] 0x0000619b6ccfe9a0 thunk for @escaping @isolated(any) @callee_guaranteed @async () -> (@out A) in swift-package at //<compiler-generated>
18 [async] [thunk] 0x0000619b6ccfee20 partial apply for thunk for @escaping @isolated(any) @callee_guaranteed @async () -> (@out A) in swift-package
19 [async] [system] 0x00007d4514bcb000 completeTaskWithClosure(swift::AsyncContext*, swift::SwiftError*) in libswift_Concurrency.so
Thread 9 "DispatchWorker":
0 0x00007d451337f0d7 <unknown> in libc.so.6
Thread 10 "DispatchWorker":
0 0x00007d451337f0d7 <unknown> in libc.so.6
Thread 11 "DispatchWorker":
0 0x00007d451337f0d7 <unknown> in libc.so.6
Thread 12 "DispatchWorker":
0 0x00007d451337f0d7 <unknown> in libc.so.6
Thread 13 "DispatchWorker":
0 0x00007d451337f0d7 <unknown> in libc.so.6
Thread 14 "DispatchWorker":
0 0x00007d45133d37b8 <unknown> in libc.so.6
1 [ra] 0x00007d4514921247 _dispatch_worker_thread + 838 in libdispatch.so
Thread 15 "DispatchWorker":
0 0x00007d451337f0d7 <unknown> in libc.so.6
Thread 16 "DispatchWorker":
0 0x00007d451337f0d7 <unknown> in libc.so.6
Thread 17 "DispatchWorker":
0 0x00007d451337f0d7 <unknown> in libc.so.6
Thread 18 "DispatchWorker":
0 0x00007d451337f0d7 <unknown> in libc.so.6
Thread 19 "DispatchWorker":
0 0x00007d451337f0d7 <unknown> in libc.so.6
Thread 20 "DispatchWorker":
0 0x00007d451337f0d7 <unknown> in libc.so.6
Thread 21 "DispatchWorker":
0 0x00007d451337f0d7 <unknown> in libc.so.6
Thread 22 "DispatchWorker":
0 0x00007d451337f0d7 <unknown> in libc.so.6
Thread 23 "DispatchWorker":
0 0x00007d451337f0d7 <unknown> in libc.so.6
Thread 24 "DispatchWorker":
0 0x00007d451337f0d7 <unknown> in libc.so.6
Thread 25 "DispatchWorker":
0 0x00007d451337f0d7 <unknown> in libc.so.6
Thread 26 "DispatchWorker":
0 0x00007d451337f0d7 <unknown> in libc.so.6
Thread 27 "DispatchWorker":
0 0x00007d4513406e1e <unknown> in libc.so.6
1 [ra] 0x00007d4514665cf8 __CFRunLoopRun + 1047 in libFoundation.so
2 [ra] 0x00007d4514665638 CFRunLoopRunSpecific + 503 in libFoundation.so
3 [ra] 0x00007d45145e4509 RunLoop.run() + 184 in libFoundation.so
4 [ra] 0x00007d45145d66ff closure #1 in closure #1 in static Process.setup() + 510 in libFoundation.so
5 [ra] 0x00007d45145f8339 Thread.main() + 24 in libFoundation.so
6 [ra] 0x00007d45145f7127 NSThreadStart(_:) + 150 in libFoundation.so
Thread 28 "DispatchWorker":
0 0x00007d451340978d <unknown> in libc.so.6
Thread 29 "DispatchWorker":
0 0x00007d451337f0d7 <unknown> in libc.so.6
Registers:
rax 0x0000619b6ef6c370 00 00 00 00 00 00 00 00 30 00 00 00 00 00 00 00 ········0·······
rdx 0x0000000000000000 0
rcx 0xffff9e6490e5481a 18446636753497704474
rbx 0x0000000000000001 1
rsi 0x00007d45149481d0 00 00 00 00 06 00 00 00 00 00 00 00 00 00 00 00 ················
rdi 0x0000000000000081 129
rbp 0x00007d450d585a40 c0 5a 58 0d 45 7d 00 00 02 e0 91 14 45 7d 00 00 ÀZX·E}···à··E}··
rsp 0x00007d450d5858c0 10 00 00 00 30 33 00 00 45 7d 00 00 10 00 00 00 ····03··E}······
r8 0x0000000000000004 4
r9 0x00007d44b0005130 f5 51 4b 64 43 7d 00 00 ff ff ff ff ff ff ff ff õQKdC}··ÿÿÿÿÿÿÿÿ
r10 0x0000000000000000 0
r11 0x0000000000000246 582
r12 0x00007d450d585988 c0 24 02 88 44 7d 00 00 40 5c 94 14 45 7d 00 00 À$··D}··@\··E}··
r13 0x00007d451492b3b4 63 d2 ff ff a6 d2 ff ff 02 d2 ff ff 84 d2 ff ff cÒÿÿ¦Òÿÿ·Òÿÿ·Òÿÿ
r14 0x0000000000000000 0
r15 0x0000000000000002 2
rip 0x00007d45149289aa 8b 51 08 81 fa ff ff ff 7f 74 12 ba 02 00 00 00 ·Q··úÿÿÿ·t·º····
rflags 0x0000000000010202
cs 0x0033 fs 0x0000 gs 0x0000
Images (71 omitted):
0x0000619b6b9f1000–0x0000619b6eebf798 8d10b028f4d1b226bc9fcb7fc335322dd9832898 swift-package /usr/bin/swift-package
0x00007d45132ee000–0x00007d45134aa401 6a6cb5a80fd5e5bb5bf3aeaa111add98e88843a5 libc.so.6 /usr/lib/x86_64-linux-gnu/libc.so.6
0x00007d4514296000–0x00007d451476c6b8 d6ef637fe37740adfb7e3e00121b9595724e854f libFoundation.so /usr/lib/swift/linux/libFoundation.so
0x00007d45148ec000–0x00007d4514934238 72e6a7e581e44c834d6aa83ff24f59188e501279 libdispatch.so /usr/lib/swift/linux/libdispatch.so
0x00007d4514b54000–0x00007d4514be8b00 ce5be53c44b09cebc9b9c77de702cb916aa35136 libswift_Concurrency.so /usr/lib/swift/linux/libswift_Concurrency.so
0x00007d4514c1e000–0x00007d45151fafc8 140049ce7099ab6272ad992fdaa68c2aeeadee67 libswiftCore.so /usr/lib/swift/linux/libswiftCore.so
Backtrace took 13.21s
BUILD FAILURE 6.4 linux