Swift Package IndexBuild Information
Failed to build Socket, reference 0.3.3 (9945ad), with Swift 6.2 (beta) for Linux on 21 Jun 2025 13:18:38 UTC.
Build Command
bash -c docker run --pull=always --rm -v "checkouts-4606859-1":/host -w "$PWD" registry.gitlab.com/finestructure/spi-images:basic-6.2-latest swift build --triple x86_64-unknown-linux-gnu 2>&1Build Log
========================================
RunAll
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Builder version: 4.64.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/stackotter/Socket.git
Reference: 0.3.3
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/stackotter/Socket
* tag 0.3.3 -> FETCH_HEAD
HEAD is now at 9945adf Fix pointer related build warnings
Cloned https://github.com/stackotter/Socket.git
Revision (git rev-parse @):
9945adfb7b2b089b1f9963db31544f604d260293
SUCCESS checkout https://github.com/stackotter/Socket.git at 0.3.3
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Build
========================================
Selected platform: linux
Swift version: 6.2
Building package at path: $PWD
https://github.com/stackotter/Socket.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4606859-1":/host -w "$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
Fetching https://github.com/apple/swift-system
[1/4436] Fetching swift-system
Fetched https://github.com/apple/swift-system from cache (0.43s)
Computing version for https://github.com/apple/swift-system
Computed https://github.com/apple/swift-system at 1.5.0 (1.85s)
Creating working copy for https://github.com/apple/swift-system
Working copy of https://github.com/apple/swift-system resolved at 1.5.0
Building for debugging...
[0/5] Write sources
[2/5] Compiling CSocket shims.c
[3/5] Compiling CSystem shims.c
[4/5] Write swift-version-24593BA9C3E375BF.txt
[6/33] Emitting module SystemPackage
[7/36] Compiling SystemPackage Util+StringArray.swift
[8/36] Compiling SystemPackage Util.swift
[9/36] Compiling SystemPackage UtilConsumers.swift
[10/36] Compiling SystemPackage MachPort.swift
[11/36] Compiling SystemPackage PlatformString.swift
[12/36] Compiling SystemPackage SystemString.swift
[13/36] Compiling SystemPackage FilePathParsing.swift
[14/36] Compiling SystemPackage FilePathString.swift
[15/36] Compiling SystemPackage FilePathSyntax.swift
[16/36] Compiling SystemPackage FilePathTemp.swift
[17/36] Compiling SystemPackage FilePathTempPosix.swift
[18/36] Compiling SystemPackage FilePathTempWindows.swift
[19/36] Compiling SystemPackage FilePathWindows.swift
[20/36] Compiling SystemPackage FilePermissions.swift
[21/36] Compiling SystemPackage Errno.swift
[22/36] Compiling SystemPackage ErrnoWindows.swift
[23/36] Compiling SystemPackage FileDescriptor.swift
[24/36] Compiling SystemPackage FileHelpers.swift
[25/36] Compiling SystemPackage FileOperations.swift
[26/36] Compiling SystemPackage FilePath.swift
[27/36] Compiling SystemPackage FilePathComponentView.swift
[28/36] Compiling SystemPackage FilePathComponents.swift
[29/36] Compiling SystemPackage Backcompat.swift
[30/36] Compiling SystemPackage CInterop.swift
[31/36] Compiling SystemPackage Constants.swift
[32/36] Compiling SystemPackage Exports.swift
[33/36] Compiling SystemPackage Mocking.swift
[34/36] Compiling SystemPackage RawBuffer.swift
[35/36] Compiling SystemPackage Syscalls.swift
[36/36] Compiling SystemPackage WindowsSyscallAdapters.swift
[38/76] Emitting module Socket
/host/spi-builder-workspace/Sources/Socket/System/NetworkInterface.swift:9:22: warning: using '@_implementationOnly' without enabling library evolution for 'Socket' may lead to instability during execution
7 |
8 | import SystemPackage
9 | @_implementationOnly import CSocket
| `- warning: using '@_implementationOnly' without enabling library evolution for 'Socket' may lead to instability during execution
10 |
11 | /// UNIX Network Interface
/host/spi-builder-workspace/Sources/Socket/System/SocketAddress/LinkLayerSocketAddress.swift:11:22: warning: using '@_implementationOnly' without enabling library evolution for 'Socket' may lead to instability during execution
9 | import Foundation
10 | import SystemPackage
11 | @_implementationOnly import CSocket
| `- warning: using '@_implementationOnly' without enabling library evolution for 'Socket' may lead to instability during execution
12 |
13 | /// Unix Socket Address
/host/spi-builder-workspace/Sources/Socket/System/SocketFlags.swift:2:22: warning: using '@_implementationOnly' without enabling library evolution for 'Socket' may lead to instability during execution
1 | #if os(Linux)
2 | @_implementationOnly import CSocket
| `- warning: using '@_implementationOnly' without enabling library evolution for 'Socket' may lead to instability during execution
3 |
4 | /// Flags when opening sockets.
/host/spi-builder-workspace/Sources/Socket/System/SocketType.swift:5:22: warning: using '@_implementationOnly' without enabling library evolution for 'Socket' may lead to instability during execution
3 | #endif
4 | import SystemPackage
5 | @_implementationOnly import CSocket
| `- warning: using '@_implementationOnly' without enabling library evolution for 'Socket' may lead to instability during execution
6 |
7 | /// POSIX Socket Type
/host/spi-builder-workspace/Sources/Socket/System/SocketAddress/LinkLayerSocketAddress.swift:89:34: warning: 'CSocketAddressType' aliases 'CSocket.sockaddr_ll' and cannot be used in an extension with public or '@usableFromInline' members because 'CSocket' has been imported as implementation-only; this is an error in the Swift 6 language mode
87 | }
88 |
89 | extension LinkLayerSocketAddress.CSocketAddressType: CSocketAddress {
| `- warning: 'CSocketAddressType' aliases 'CSocket.sockaddr_ll' and cannot be used in an extension with public or '@usableFromInline' members because 'CSocket' has been imported as implementation-only; this is an error in the Swift 6 language mode
90 |
91 | @_alwaysEmitIntoClient
/usr/include/netpacket/packet.h:22:8: note: type declared here
20 | #define __NETPACKET_PACKET_H 1
21 |
22 | struct sockaddr_ll
| `- note: type declared here
23 | {
24 | unsigned short int sll_family;
[39/81] Compiling Socket FileFlags.swift
[40/81] Compiling Socket IOControl.swift
[41/81] Compiling Socket IODirection.swift
[42/81] Compiling Socket IOOperations.swift
[43/81] Compiling Socket IOType.swift
[44/81] Compiling Socket InternetProtocol.swift
[45/81] Compiling Socket CInterop.swift
[46/81] Compiling Socket CSocketAddress.swift
[47/81] Compiling Socket Constants.swift
[48/81] Compiling Socket Errno.swift
[49/81] Compiling Socket FileChange.swift
[50/81] Compiling Socket FileEvent.swift
error: compile command failed due to signal 6 (use -v to see invocation)
swift-frontend: /home/build-user/swift/include/swift/AST/GenericSignature.h:139: const GenericSignatureImpl *swift::GenericSignature::operator->() const: Assertion `Ptr && "Cannot dereference a null GenericSignature!"' 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/Socket/Socket.swift -primary-file /host/spi-builder-workspace/Sources/Socket/SocketContinuation.swift -primary-file /host/spi-builder-workspace/Sources/Socket/SocketManager.swift -primary-file /host/spi-builder-workspace/Sources/Socket/SocketManager/AsyncSocketManager.swift -primary-file /host/spi-builder-workspace/Sources/Socket/SocketManager/CFSocketManager.swift -primary-file /host/spi-builder-workspace/Sources/Socket/System/CInternetAddress.swift /host/spi-builder-workspace/Sources/Socket/System/CInterop.swift /host/spi-builder-workspace/Sources/Socket/System/CSocketAddress.swift /host/spi-builder-workspace/Sources/Socket/System/Constants.swift /host/spi-builder-workspace/Sources/Socket/System/Errno.swift /host/spi-builder-workspace/Sources/Socket/System/FileChange.swift /host/spi-builder-workspace/Sources/Socket/System/FileEvent.swift /host/spi-builder-workspace/Sources/Socket/System/FileFlags.swift /host/spi-builder-workspace/Sources/Socket/System/InputOutput/IOControl.swift /host/spi-builder-workspace/Sources/Socket/System/InputOutput/IODirection.swift /host/spi-builder-workspace/Sources/Socket/System/InputOutput/IOOperations.swift /host/spi-builder-workspace/Sources/Socket/System/InputOutput/IOType.swift /host/spi-builder-workspace/Sources/Socket/System/InternetProtocol.swift /host/spi-builder-workspace/Sources/Socket/System/MessageFlags.swift /host/spi-builder-workspace/Sources/Socket/System/NetworkInterface.swift /host/spi-builder-workspace/Sources/Socket/System/NetworkOrder.swift /host/spi-builder-workspace/Sources/Socket/System/Poll.swift /host/spi-builder-workspace/Sources/Socket/System/SocketAddress.swift /host/spi-builder-workspace/Sources/Socket/System/SocketAddress/IPv4SocketAddress.swift /host/spi-builder-workspace/Sources/Socket/System/SocketAddress/IPv6SocketAddress.swift /host/spi-builder-workspace/Sources/Socket/System/SocketAddress/LinkLayerSocketAddress.swift /host/spi-builder-workspace/Sources/Socket/System/SocketAddress/UnixSocketAddress.swift /host/spi-builder-workspace/Sources/Socket/System/SocketAddressFamily.swift /host/spi-builder-workspace/Sources/Socket/System/SocketDescriptor.swift /host/spi-builder-workspace/Sources/Socket/System/SocketFlags.swift /host/spi-builder-workspace/Sources/Socket/System/SocketHelpers.swift /host/spi-builder-workspace/Sources/Socket/System/SocketOperations.swift /host/spi-builder-workspace/Sources/Socket/System/SocketOption.swift /host/spi-builder-workspace/Sources/Socket/System/SocketOptionID.swift /host/spi-builder-workspace/Sources/Socket/System/SocketOptionLevel.swift /host/spi-builder-workspace/Sources/Socket/System/SocketProtocol.swift /host/spi-builder-workspace/Sources/Socket/System/SocketProtocol/IPv4Protocol.swift /host/spi-builder-workspace/Sources/Socket/System/SocketProtocol/IPv6Protocol.swift /host/spi-builder-workspace/Sources/Socket/System/SocketProtocol/LinkLayerProtocol.swift /host/spi-builder-workspace/Sources/Socket/System/SocketProtocol/UnixProtocol.swift /host/spi-builder-workspace/Sources/Socket/System/SocketType.swift /host/spi-builder-workspace/Sources/Socket/System/Syscalls.swift /host/spi-builder-workspace/Sources/Socket/System/Util.swift -supplementary-output-file-map /tmp/TemporaryDirectory.PDbuGO/supplementaryOutputs-1 -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 -fmodule-map-file=/host/spi-builder-workspace/Sources/CSocket/include/module.modulemap -Xcc -I -Xcc /host/spi-builder-workspace/Sources/CSocket/include -Xcc -fmodule-map-file=/host/spi-builder-workspace/.build/checkouts/swift-system/Sources/CSystem/include/module.modulemap -Xcc -I -Xcc /host/spi-builder-workspace/.build/checkouts/swift-system/Sources/CSystem/include -Xcc -g -Xcc -fno-omit-frame-pointer -no-auto-bridging-header-chaining -module-name Socket -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/Socket.build/Socket.swift.o -o /host/spi-builder-workspace/.build/x86_64-unknown-linux-gnu/debug/Socket.build/SocketContinuation.swift.o -o /host/spi-builder-workspace/.build/x86_64-unknown-linux-gnu/debug/Socket.build/SocketManager.swift.o -o /host/spi-builder-workspace/.build/x86_64-unknown-linux-gnu/debug/Socket.build/AsyncSocketManager.swift.o -o /host/spi-builder-workspace/.build/x86_64-unknown-linux-gnu/debug/Socket.build/CFSocketManager.swift.o -o /host/spi-builder-workspace/.build/x86_64-unknown-linux-gnu/debug/Socket.build/CInternetAddress.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 ASTLoweringRequest(Lowering AST to SIL for file "/host/spi-builder-workspace/Sources/Socket/SocketManager/AsyncSocketManager.swift")
4. While silgen emitFunction SIL function "@$s6Socket05AsyncA7ManagerC15startMonitoring33_2B1509B1E2EA90CA2DC4053AF21AD7DALLyyF".
for 'startMonitoring()' (at /host/spi-builder-workspace/Sources/Socket/SocketManager/AsyncSocketManager.swift:209:5)
5. While silgen closureexpr SIL function "@$s6Socket05AsyncA7ManagerC15startMonitoring33_2B1509B1E2EA90CA2DC4053AF21AD7DALLyyFyyYacfU_".
for expression at [/host/spi-builder-workspace/Sources/Socket/SocketManager/AsyncSocketManager.swift:215:70 - line:217:9] RangeText="{ [unowned self] in
await self.run()
"
6. While verifying SIL function "@$s6Socket05AsyncA7ManagerC15startMonitoring33_2B1509B1E2EA90CA2DC4053AF21AD7DALLyyFyyYacfU_".
for expression at [/host/spi-builder-workspace/Sources/Socket/SocketManager/AsyncSocketManager.swift:215:70 - line:217:9] RangeText="{ [unowned self] in
await self.run()
"
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 0x0000559ff20d2918
1 swift-frontend 0x0000559ff20d043e
2 swift-frontend 0x0000559ff20d2fb1
3 libc.so.6 0x00007f016f283520
4 libc.so.6 0x00007f016f2d79fc pthread_kill + 300
5 libc.so.6 0x00007f016f283476 raise + 22
6 libc.so.6 0x00007f016f2697f3 abort + 211
7 libc.so.6 0x00007f016f26971b
8 libc.so.6 0x00007f016f27ae96
9 swift-frontend 0x0000559feb87e94b
10 swift-frontend 0x0000559feb875c94
11 swift-frontend 0x0000559feac86b77
12 swift-frontend 0x0000559feac8555f
13 swift-frontend 0x0000559feac8f116
14 swift-frontend 0x0000559feb7bfd1e
15 swift-frontend 0x0000559feac88a55
16 swift-frontend 0x0000559fead08670
17 swift-frontend 0x0000559fead08105
18 swift-frontend 0x0000559fead07dac
19 swift-frontend 0x0000559fead07d23
20 swift-frontend 0x0000559feacfa81d
21 swift-frontend 0x0000559feacf0ba6
22 swift-frontend 0x0000559feace407c
23 swift-frontend 0x0000559feacbce04
24 swift-frontend 0x0000559feacbd014
25 swift-frontend 0x0000559feacbcd3c
26 swift-frontend 0x0000559feacbceda
27 swift-frontend 0x0000559feacfd81a
28 swift-frontend 0x0000559feacf0929
29 swift-frontend 0x0000559feace407c
30 swift-frontend 0x0000559feacbce04
31 swift-frontend 0x0000559feadbf422
32 swift-frontend 0x0000559feadf8716
33 swift-frontend 0x0000559feade1d0c
34 swift-frontend 0x0000559feadf6345
35 swift-frontend 0x0000559feae04dfa
36 swift-frontend 0x0000559feae040dd
37 swift-frontend 0x0000559feade74ec
38 swift-frontend 0x0000559feade4d00
39 swift-frontend 0x0000559feacf0854
40 swift-frontend 0x0000559feace4816
41 swift-frontend 0x0000559fead9f8ea
42 swift-frontend 0x0000559fead9dfcd
43 swift-frontend 0x0000559fead1622a
44 swift-frontend 0x0000559feac86142
45 swift-frontend 0x0000559feac8777e
46 swift-frontend 0x0000559feac8477c
47 swift-frontend 0x0000559feadbda1a
48 swift-frontend 0x0000559feadb85d8
49 swift-frontend 0x0000559feadb852d
50 swift-frontend 0x0000559feac8a853
51 swift-frontend 0x0000559feac8afa4
52 swift-frontend 0x0000559fead9d8c6
53 swift-frontend 0x0000559feac8ff53
54 swift-frontend 0x0000559feac8b92f
55 swift-frontend 0x0000559fea46a808
56 swift-frontend 0x0000559fea47c42a
57 swift-frontend 0x0000559fea46d7de
58 swift-frontend 0x0000559fea46c878
59 swift-frontend 0x0000559fea1e826b
60 libc.so.6 0x00007f016f26ad90
61 libc.so.6 0x00007f016f26ae40 __libc_start_main + 128
62 swift-frontend 0x0000559fea1e7265
BUILD FAILURE 6.2 linux