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Track the adoption of Swift 6 strict concurrency checks for data race safety. How many packages are Ready for Swift 6?

Build Information

Failed to build ASAPExecution, reference main (192997), with Swift 6.1 for Linux on 30 Apr 2025 06:48:29 UTC.

Build Command

bash -c docker run --pull=always --rm -v "checkouts-4606859-2":/host -w "$PWD" registry.gitlab.com/finestructure/spi-images:basic-6.1-latest swift build --triple x86_64-unknown-linux-gnu 2>&1

Build Log

========================================
RunAll
========================================
Builder version: 4.61.1
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/Frizlab/ASAPExecution.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/Frizlab/ASAPExecution
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at 192997f Add more ASAP run variants (combination of already existing variants)
Cloned https://github.com/Frizlab/ASAPExecution.git
Revision (git rev-parse @):
192997fd3b5b48e1e7216613cd3ba11382e1e2a7
SUCCESS checkout https://github.com/Frizlab/ASAPExecution.git at main
========================================
Build
========================================
Selected platform:         linux
Swift version:             6.1
Building package at path:  $PWD
https://github.com/Frizlab/ASAPExecution.git
https://github.com/Frizlab/ASAPExecution.git
WARNING: environment variable SUPPRESS_SWIFT_6_FLAGS is not set
{
  "dependencies" : [
    {
      "identity" : "runloopthread",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "1.1.0",
            "upper_bound" : "2.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/happn-app/RunLoopThread.git"
    }
  ],
  "manifest_display_name" : "ASAPExecution",
  "name" : "ASAPExecution",
  "path" : "/host/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "macos",
      "version" : "10.12"
    },
    {
      "name" : "ios",
      "version" : "10.0"
    },
    {
      "name" : "tvos",
      "version" : "10.0"
    },
    {
      "name" : "watchos",
      "version" : "3.0"
    }
  ],
  "products" : [
    {
      "name" : "ASAPExecution",
      "targets" : [
        "ASAPExecution"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "ASAPExecutionTests",
      "module_type" : "SwiftTarget",
      "name" : "ASAPExecutionTests",
      "path" : "Tests/ASAPExecutionTests",
      "product_dependencies" : [
        "RunLoopThread"
      ],
      "sources" : [
        "ASAPExecutionUntilTests.swift",
        "ASAPExecutionWhenTests.swift"
      ],
      "target_dependencies" : [
        "ASAPExecution"
      ],
      "type" : "test"
    },
    {
      "c99name" : "ASAPExecution",
      "module_type" : "SwiftTarget",
      "name" : "ASAPExecution",
      "path" : "Sources/ASAPExecution",
      "product_memberships" : [
        "ASAPExecution"
      ],
      "sources" : [
        "ASAPExecution.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.5"
}
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4606859-2":/host -w "$PWD" registry.gitlab.com/finestructure/spi-images:basic-6.1-latest swift build --triple x86_64-unknown-linux-gnu -Xswiftc -Xfrontend -Xswiftc -stats-output-dir -Xswiftc -Xfrontend -Xswiftc .stats -Xswiftc -strict-concurrency=complete -Xswiftc -enable-upcoming-feature -Xswiftc StrictConcurrency -Xswiftc -enable-upcoming-feature -Xswiftc DisableOutwardActorInference -Xswiftc -enable-upcoming-feature -Xswiftc GlobalActorIsolatedTypesUsability -Xswiftc -enable-upcoming-feature -Xswiftc InferSendableFromCaptures 2>&1
basic-6.1-latest: Pulling from finestructure/spi-images
Digest: sha256:3bdcac04179f4ed3e5b8e9dbd6e74bbf5ebc0f4fde48bbaad7d1e5c757e65bcb
Status: Image is up to date for registry.gitlab.com/finestructure/spi-images:basic-6.1-latest
Fetching https://github.com/happn-app/RunLoopThread.git
[1/67] Fetching runloopthread
Fetched https://github.com/happn-app/RunLoopThread.git from cache (0.24s)
Computing version for https://github.com/happn-app/RunLoopThread.git
error: Invalid manifest (compiled with: ["/usr/bin/swiftc", "-vfsoverlay", "/tmp/TemporaryDirectory.3ULA6u/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.KkfVaQ/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 0x7f9b15f89788... done ***
*** Program crashed: Illegal instruction at 0x00007f9b15f89788 ***
Thread 0 "runloopthread-m" crashed:
0      0x00007f9b15f89788 _assertionFailure(_:_:file:line:flags:) + 264 in libswiftCore.so
1 [ra] 0x000055d41c6d5cc3 main + 98 in runloopthread-manifest
Registers:
rax 0x0000000000000000  0
rdx 0x0000000000000002  2
rcx 0x0000000000000001  1
rbx 0x000000055d41dac9  23039433417
rsi 0x8000534f20646570  9223463636165748080
rdi 0x000055d41dab8010  01 00 01 00 01 00 00 00 00 00 00 00 00 00 00 00  ················
rbp 0x00007ffc12d70ae0  10 0b d7 12 fc 7f 00 00 c3 5c 6d 1c d4 55 00 00  ··×·ü···Ã\m·ÔU··
rsp 0x00007ffc12d70a70  00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ················
 r8 0x000055d41dac9f00  c9 da 41 5d 05 00 00 00 d8 a8 6e 52 48 bc 40 21  ÉÚA]····Ø¨nRH¼@!
 r9 0x00007ffc12d70750  46 61 74 61 6c 20 65 72 72 6f 72 3a 20 55 6e 73  Fatal error: Uns
r10 0x0000000000000000  0
r11 0x2140bc48526ea8d8  2396122020567754968
r12 0x00007ffc12d70c28  3d 0e d7 12 fc 7f 00 00 73 0e d7 12 fc 7f 00 00  =·×·ü···s·×·ü···
r13 0x000055d41c6d5c60  55 48 89 e5 48 83 ec 20 90 48 8d 3d 9f 00 00 00  UH·åH·ì ·H·=····
r14 0x000055d41c6d7ce0  03 00 00 00 00 00 00 00 e8 7f 6d 1c d4 55 00 00  ········è·m·ÔU··
r15 0x00007f9b163f7040  e0 82 3f 16 9b 7f 00 00 16 00 00 00 00 00 00 00  à·?·············
rip 0x00007f9b15f89788  0f 0b 48 8d 35 4f 5c fb ff 48 8d 55 a0 45 31 e4  ··H·5O\ûÿH·U E1ä
rflags 0x0000000000010202
cs 0x0033  fs 0x0000  gs 0x0000
Images (19 omitted):
0x000055d41c6d5000–0x000055d41c6d5e00 f7df623e3feaa838da6ceffab9285546c4455e8a runloopthread-manifest /tmp/TemporaryDirectory.KkfVaQ/runloopthread-manifest
0x00007f9b15cad000–0x00007f9b1623b8c0 e0daad81442ed488d8b83fd10c171fcb90baba85 libswiftCore.so        /usr/lib/swift/linux/libswiftCore.so
Backtrace took 0.03s in https://github.com/happn-app/RunLoopThread.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4606859-2":/host -w "$PWD" registry.gitlab.com/finestructure/spi-images:basic-6.1-latest swift build --triple x86_64-unknown-linux-gnu 2>&1
basic-6.1-latest: Pulling from finestructure/spi-images
Digest: sha256:3bdcac04179f4ed3e5b8e9dbd6e74bbf5ebc0f4fde48bbaad7d1e5c757e65bcb
Status: Image is up to date for registry.gitlab.com/finestructure/spi-images:basic-6.1-latest
Updating https://github.com/happn-app/RunLoopThread.git
Updated https://github.com/happn-app/RunLoopThread.git (0.16s)
Computing version for https://github.com/happn-app/RunLoopThread.git
error: Invalid manifest (compiled with: ["/usr/bin/swiftc", "-vfsoverlay", "/tmp/TemporaryDirectory.pvJOIl/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.jLKoJl/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 0x7f15745c6788... done ***
*** Program crashed: Illegal instruction at 0x00007f15745c6788 ***
Thread 0 "runloopthread-m" crashed:
0      0x00007f15745c6788 _assertionFailure(_:_:file:line:flags:) + 264 in libswiftCore.so
1 [ra] 0x000055d2fa426cc3 main + 98 in runloopthread-manifest
Registers:
rax 0x0000000000000000  0
rdx 0x0000000000000002  2
rcx 0x0000000000000001  1
rbx 0x000000055d2fa6a8  23038240424
rsi 0x8000534f20646570  9223463636165748080
rdi 0x000055d2fa697010  01 00 01 00 01 00 00 00 00 00 00 00 00 00 00 00  ················
rbp 0x00007ffe675b5290  c0 52 5b 67 fe 7f 00 00 c3 6c 42 fa d2 55 00 00  ÀR[gþ···ÃlBúÒU··
rsp 0x00007ffe675b5220  00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ················
 r8 0x000055d2fa6a8f00  a8 a6 2f 5d 05 00 00 00 42 6e 12 55 7b 7c 2d a2  ¨¦/]····Bn·U{|-¢
 r9 0x00007ffe675b4f00  46 61 74 61 6c 20 65 72 72 6f 72 3a 20 55 6e 73  Fatal error: Uns
r10 0x0000000000000000  0
r11 0xa22d7c7b55126e42  11686133477246398018
r12 0x00007ffe675b53d8  3d 5e 5b 67 fe 7f 00 00 73 5e 5b 67 fe 7f 00 00  =^[gþ···s^[gþ···
r13 0x000055d2fa426c60  55 48 89 e5 48 83 ec 20 90 48 8d 3d 9f 00 00 00  UH·åH·ì ·H·=····
r14 0x000055d2fa428ce0  03 00 00 00 00 00 00 00 e8 8f 42 fa d2 55 00 00  ········è·BúÒU··
r15 0x00007f1574a34040  e0 52 a3 74 15 7f 00 00 16 00 00 00 00 00 00 00  àR£t············
rip 0x00007f15745c6788  0f 0b 48 8d 35 4f 5c fb ff 48 8d 55 a0 45 31 e4  ··H·5O\ûÿH·U E1ä
rflags 0x0000000000010202
cs 0x0033  fs 0x0000  gs 0x0000
Images (19 omitted):
0x000055d2fa426000–0x000055d2fa426e00 bc8877602f464a47da982125b05ca27e75cbbcb1 runloopthread-manifest /tmp/TemporaryDirectory.jLKoJl/runloopthread-manifest
0x00007f15742ea000–0x00007f15748788c0 e0daad81442ed488d8b83fd10c171fcb90baba85 libswiftCore.so        /usr/lib/swift/linux/libswiftCore.so
Backtrace took 0.03s in https://github.com/happn-app/RunLoopThread.git
BUILD FAILURE 6.1 linux