The Swift Package Index logo.Swift Package Index

Has it really been five years since Swift Package Index launched? Read our anniversary blog post!

Build Information

Failed to build ASAPExecution, reference 1.0.0-beta.2 (895bc1), with Swift 6.2 (beta) for Wasm on 22 Jun 2025 20:16:53 UTC.

Build Command

bash -c docker run --pull=always --rm -v "checkouts-4609320-2":/host -w "$PWD" registry.gitlab.com/finestructure/spi-images:wasm-6.2-latest swift build --swift-sdk wasm32-unknown-wasi 2>&1

Build Log

========================================
RunAll
========================================
Builder version: 4.64.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/Frizlab/ASAPExecution.git
Reference: 1.0.0-beta.2
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/Frizlab/ASAPExecution
 * tag               1.0.0-beta.2 -> FETCH_HEAD
HEAD is now at 895bc14 Add “until” ASAP execution
Cloned https://github.com/Frizlab/ASAPExecution.git
Revision (git rev-parse @):
895bc14949cac3ee70e26a10fd5d02aa75aeb7af
SUCCESS checkout https://github.com/Frizlab/ASAPExecution.git at 1.0.0-beta.2
========================================
Build
========================================
Selected platform:         wasm
Swift version:             6.2
Building package at path:  $PWD
https://github.com/Frizlab/ASAPExecution.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4609320-2":/host -w "$PWD" registry.gitlab.com/finestructure/spi-images:wasm-6.2-latest swift build --swift-sdk wasm32-unknown-wasi 2>&1
wasm-6.2-latest: Pulling from finestructure/spi-images
Digest: sha256:44384f43f933eaa0f42803e9ef7c3d8388c5841ccc831a15a5edf63d8c273423
Status: Image is up to date for registry.gitlab.com/finestructure/spi-images:wasm-6.2-latest
Fetching https://github.com/happn-app/RunLoopThread.git
[1/67] Fetching runloopthread
Fetched https://github.com/happn-app/RunLoopThread.git from cache (0.23s)
Computing version for https://github.com/happn-app/RunLoopThread.git
error: Invalid manifest (compiled with: ["/usr/bin/swiftc", "-vfsoverlay", "/tmp/TemporaryDirectory.h6O1xH/vfs.yaml", "-L", "/usr/lib/swift/pm/ManifestAPI", "-lPackageDescription", "-Xlinker", "-rpath", "-Xlinker", "/usr/lib/swift/pm/ManifestAPI", "-swift-version", "5", "-I", "/usr/lib/swift/pm/ManifestAPI", "-package-description-version", "5.1.0", "/Package.swift", "-o", "/tmp/TemporaryDirectory.D8txY5/runloopthread-manifest"])
/Package.swift:9:15: warning: will never be executed
 4 |
 5 | #if !_runtime(_ObjC)
 6 | 	fatalError("Unsupported OS")
   |  `- note: a call to a never-returning function
 7 | #endif
 8 |
 9 | let package = Package(
   |               `- warning: will never be executed
10 | 	name: "RunLoopThread",
11 | 	products: [main/Package.swift:6: Fatal error: Unsupported OS
*** Signal 4: Backtracing from 0x7f0914eb0f68... done ***
*** Program crashed: Illegal instruction at 0x00007f0914eb0f68 ***
Platform: x86_64 Linux (Ubuntu 22.04.5 LTS)
Thread 0 "runloopthread-m" crashed:
  0      0x00007f0914eb0f68 _assertionFailure(_:_:file:line:flags:) + 264 in libswiftCore.so
  1 [ra] 0x0000564d87b77cc3 main + 98 in runloopthread-manifest
...
Registers:
rax 0x0000000000000000  0
rdx 0x0000000000000002  2
rcx 0x0000000000000001  1
rbx 0x0000000564d89b5d  23166753629
rsi 0x8000534f20646570  9223463636165748080
rdi 0x0000564d89b4c010  01 00 01 00 01 00 00 00 00 00 00 00 00 00 00 00  ················
rbp 0x00007ffd87388860  90 88 38 87 fd 7f 00 00 c3 7c b7 87 4d 56 00 00  ··8·ý···Ã|··MV··
rsp 0x00007ffd873887f0  00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ················
 r8 0x0000564d89b5df00  5d 9b d8 64 05 00 00 00 b3 bd 8e 7f 8c e2 37 aa  ]·Ød····³½···â7ª
 r9 0x00007ffd87388560  46 61 74 61 6c 20 65 72 72 6f 72 3a 20 55 6e 73  Fatal error: Uns
r10 0x0000000000000000  0
r11 0xaa37e28c7f8ebdb3  12265521203230195123
r12 0x00007ffd873889a8  dc 9e 38 87 fd 7f 00 00 12 9f 38 87 fd 7f 00 00  Ü·8·ý·····8·ý···
r13 0x0000564d87b77c60  55 48 89 e5 48 83 ec 20 90 48 8d 3d 9f 00 00 00  UH·åH·ì ·H·=····
r14 0x0000564d87b79ce0  03 00 00 00 00 00 00 00 e8 9f b7 87 4d 56 00 00  ········è···MV··
r15 0x00007f0915348040  e0 92 34 15 09 7f 00 00 16 00 00 00 00 00 00 00  à·4·············
rip 0x00007f0914eb0f68  0f 0b 48 8d 35 4f 0f fb ff 48 8d 55 a0 45 31 e4  ··H·5O·ûÿH·U E1ä
rflags 0x0000000000010206  PF
cs 0x0033  fs 0x0000  gs 0x0000
Images (19 omitted):
0x0000564d87b77000–0x0000564d87b77e00 f438ee4853792fd2f22ab6425a84e6968819543c runloopthread-manifest /tmp/TemporaryDirectory.D8txY5/runloopthread-manifest
0x00007f0914bcf000–0x00007f0915185738 ea415297c2418b4eb4feb8edcc649464dcb14bc6 libswiftCore.so        /usr/lib/swift/linux/libswiftCore.so
Backtrace took 0.01s in https://github.com/happn-app/RunLoopThread.git
BUILD FAILURE 6.2 wasm