Swift Package IndexBuild Information
Failed to build feature-flags, reference main (62e367), with Swift 6.3 for Android on 18 Apr 2026 06:09:19 UTC.
Build Command
bash -c docker run --pull=always --rm -v "checkouts-4606859-0":/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:android-6.3-latest swift build --swift-sdk aarch64-unknown-linux-android28 2>&1Build Log
========================================
RunAll
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Builder version: 4.70.0
Interrupt handler set up.
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Checkout
========================================
Clone URL: https://github.com/nashysolutions/feature-flags.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/nashysolutions/feature-flags
* branch main -> FETCH_HEAD
* [new branch] main -> origin/main
HEAD is now at 62e367f Add documentation link for feature flags library
Cloned https://github.com/nashysolutions/feature-flags.git
Revision (git rev-parse @):
62e367f48438596f762aa5e24cb7d6da59c51c18
SPI manifest file found: $PWD/.spi.yml
SUCCESS checkout https://github.com/nashysolutions/feature-flags.git at main
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Build
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Selected platform: android
Swift version: 6.3
Building package at path: $PWD
https://github.com/nashysolutions/feature-flags.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4606859-0":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/swiftpackageindex/spi-images:android-6.3-latest swift build --swift-sdk aarch64-unknown-linux-android28 2>&1
android-6.3-latest: Pulling from swiftpackageindex/spi-images
Digest: sha256:9008270ea37a55e78725e6225015adb5eff8582da520c5232bf0499f32c36dc4
Status: Image is up to date for registry.gitlab.com/swiftpackageindex/spi-images:android-6.3-latest
Fetching https://github.com/nashysolutions/versioning.git
[1/80] Fetching versioning
Fetched https://github.com/nashysolutions/versioning.git from cache (0.37s)
Computing version for https://github.com/nashysolutions/versioning.git
Computed https://github.com/nashysolutions/versioning.git at 2.2.0 (1.29s)
Creating working copy for https://github.com/nashysolutions/versioning.git
Working copy of https://github.com/nashysolutions/versioning.git resolved at 2.2.0
Building for debugging...
[0/3] Write sources
[2/3] Write swift-version--4F562202D5529B1.txt
[4/5] Emitting module Versioning
[5/5] Compiling Versioning SemanticVersion.swift
[7/11] Compiling FeatureFlags UserOverrideManager.swift
[8/11] Compiling FeatureFlags FeatureRegistry.swift
error: emit-module command failed with exit code 1 (use -v to see invocation)
[9/11] Compiling FeatureFlags FeatureFlag.swift
[10/11] Emitting module FeatureFlags
/host/spi-builder-workspace/Sources/FeatureFlags/FeatureFlags.swift:26:34: error: cannot find type 'ObservableObject' in scope
24 | /// over default availability rules defined in the registry.
25 | @MainActor
26 | public final class FeatureFlags: ObservableObject {
| `- error: cannot find type 'ObservableObject' in scope
27 |
28 | /// A published property containing the list of currently enabled feature flags.
/host/spi-builder-workspace/Sources/FeatureFlags/FeatureFlags.swift:30:6: error: unknown attribute 'Published'
28 | /// A published property containing the list of currently enabled feature flags.
29 | /// Observers can use this property to react to changes in feature availability.
30 | @Published public private(set) var enabledFeatures: [FeatureFlag] = []
| `- error: unknown attribute 'Published'
31 |
32 | /// The registry responsible for managing the lifecycle and availability of feature flags.
[11/11] Compiling FeatureFlags FeatureFlags.swift
/host/spi-builder-workspace/Sources/FeatureFlags/FeatureFlags.swift:26:34: error: cannot find type 'ObservableObject' in scope
24 | /// over default availability rules defined in the registry.
25 | @MainActor
26 | public final class FeatureFlags: ObservableObject {
| `- error: cannot find type 'ObservableObject' in scope
27 |
28 | /// A published property containing the list of currently enabled feature flags.
/host/spi-builder-workspace/Sources/FeatureFlags/FeatureFlags.swift:30:6: error: unknown attribute 'Published'
28 | /// A published property containing the list of currently enabled feature flags.
29 | /// Observers can use this property to react to changes in feature availability.
30 | @Published public private(set) var enabledFeatures: [FeatureFlag] = []
| `- error: unknown attribute 'Published'
31 |
32 | /// The registry responsible for managing the lifecycle and availability of feature flags.
swift-build: /home/build-user/llbuild/lib/Core/SQLiteBuildDB.cpp:703: virtual void (anonymous namespace)::SQLiteBuildDB::buildComplete(): Assertion `result == SQLITE_OK' failed.
*** Signal 6: Backtracing from 0x7f5c8abf49fc... done ***
*** Program crashed: Aborted at 0x0000000000000014 ***
Platform: x86_64 Linux (Ubuntu 22.04.5 LTS)
Thread 0 "swift-build":
0 0x00007f5c8aba080a <unknown> in libc.so.6
1 [ra] 0x00007f5c8c196c29 _dispatch_sig_thread + 8 in libdispatch.so
...
Thread 1 "-qos.overcommit":
0 0x00007f5c8ac83eae <unknown> in libc.so.6
1 [ra] 0x00007f5c8c195ff2 _dispatch_mgr_invoke + 129 in libdispatch.so
2 [ra] 0x00007f5c8c195f5d _dispatch_mgr_thread + 108 in libdispatch.so
3 [ra] 0x00007f5c8c199195 _dispatch_worker_thread + 676 in libdispatch.so
...
Thread 2 "oot.default-qos" crashed:
0 0x00007f5c8abf49fc <unknown> in libc.so.6
...
Thread 3 "-qos.overcommit":
0 0x00007f5c8abef117 <unknown> in libc.so.6
...
Registers:
rax 0x0000000000000000 0
rdx 0x00007f5c7cb4e640 40 e6 b4 7c 5c 7f 00 00 80 39 01 6c 5c 7f 00 00 @æ´|\····9·l\···
rcx 0x00007f5c8abf49fc 41 89 c5 41 f7 dd 3d 00 f0 ff ff b8 00 00 00 00 A·ÅA÷Ý=·ðÿÿ¸····
rbx 0x0000000000000006 6
rsi 0x0000000000000014 20
rdi 0x000000000000005b 91
rbp 0x000000000000005b 91
rsp 0x00007f5c7cb4d1c0 7c 95 05 58 5c 7f 00 00 50 94 05 58 5c 7f 00 00 |··X\···P··X\···
r8 0x00007f5c7cb4d290 20 00 00 00 00 00 00 00 a0 96 d7 8a 5c 7f 00 00 ······· ·×·\···
r9 0x0000000000000000 0
r10 0x0000000000000008 8
r11 0x0000000000000246 582
r12 0x0000000000000006 6
r13 0x0000000000000016 22
r14 0x00005580be8dcb35 72 65 73 75 6c 74 20 3d 3d 20 53 51 4c 49 54 45 result == SQLITE
r15 0x00007f5c5801c050 60 af 75 be 80 55 00 00 b8 51 03 58 5c 7f 00 00 `¯u¾·U··¸Q·X\···
rip 0x00007f5c8abf49fc 41 89 c5 41 f7 dd 3d 00 f0 ff ff b8 00 00 00 00 A·ÅA÷Ý=·ðÿÿ¸····
rflags 0x0000000000000246 ZF PF
cs 0x0033 fs 0x0000 gs 0x0000
Images (73 omitted):
0x00007f5c8ab5e000–0x00007f5c8ad1a401 095c7ba148aeca81668091f718047078d57efddb libc.so.6 /usr/lib/x86_64-linux-gnu/libc.so.6
0x00007f5c8c164000–0x00007f5c8c1ac258 327b506c124021f7ce7130eb7706db93895db025 libdispatch.so /root/.local/share/swiftly/toolchains/6.3.0/usr/lib/swift/linux/libdispatch.so
Backtrace took 0.01s
BUILD FAILURE 6.3 android