Swift Package IndexBuild Information
Failed to build cluster-virtual-actors, reference main (d8cea2), with Swift 6.3 for Wasm on 18 Apr 2026 02:45:15 UTC.
Build Command
bash -c docker run --pull=always --rm -v "checkouts-4609320-3":/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:wasm-6.3-latest swift build --swift-sdk swift-6.3-RELEASE_wasm 2>&1Build Log
========================================
RunAll
========================================
Builder version: 4.70.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/akbashev/cluster-virtual-actors.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/akbashev/cluster-virtual-actors
* branch main -> FETCH_HEAD
* [new branch] main -> origin/main
HEAD is now at d8cea21 Better cleaning and manual resign function for virtual actors
Cloned https://github.com/akbashev/cluster-virtual-actors.git
Revision (git rev-parse @):
d8cea211882fe571c3c576be566c002004ea74db
SUCCESS checkout https://github.com/akbashev/cluster-virtual-actors.git at main
========================================
Build
========================================
Selected platform: wasm
Swift version: 6.3
Building package at path: $PWD
https://github.com/akbashev/cluster-virtual-actors.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4609320-3":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/swiftpackageindex/spi-images:wasm-6.3-latest swift build --swift-sdk swift-6.3-RELEASE_wasm 2>&1
wasm-6.3-latest: Pulling from swiftpackageindex/spi-images
Digest: sha256:d69f4e7582c319245442d62a08b2d7c7fd5a0c0c69f5d2ef11d1530cd8d3329b
Status: Image is up to date for registry.gitlab.com/swiftpackageindex/spi-images:wasm-6.3-latest
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error: emit-module command failed with exit code 1 (use -v to see invocation)
[53/590] Emitting module DistributedActorsConcurrencyHelpers
/host/spi-builder-workspace/.build/checkouts/swift-distributed-actors/Sources/DistributedActorsConcurrencyHelpers/lock.swift:42:49: error: cannot find type 'pthread_mutex_t' in scope
40 | @available(*, noasync, message: "Locks are bad in async code; If you truly must, use DispatchSemaphore")
41 | public final class Lock {
42 | fileprivate let mutex: UnsafeMutablePointer<pthread_mutex_t> = UnsafeMutablePointer.allocate(capacity: 1)
| `- error: cannot find type 'pthread_mutex_t' in scope
43 |
44 | /// Create a new lock.
/host/spi-builder-workspace/.build/checkouts/swift-distributed-actors/Sources/DistributedActorsConcurrencyHelpers/lock.swift:113:44: error: cannot find type 'pthread_cond_t' in scope
111 | private var _value: T
112 | private let mutex: Lock
113 | private let cond: UnsafeMutablePointer<pthread_cond_t> = UnsafeMutablePointer.allocate(capacity: 1)
| `- error: cannot find type 'pthread_cond_t' in scope
114 |
115 | /// Create the lock, and initialize the state variable to `value`.
[54/590] Compiling DistributedActorsConcurrencyHelpers lock.swift
/host/spi-builder-workspace/.build/checkouts/swift-distributed-actors/Sources/DistributedActorsConcurrencyHelpers/lock.swift:42:49: error: cannot find type 'pthread_mutex_t' in scope
40 | @available(*, noasync, message: "Locks are bad in async code; If you truly must, use DispatchSemaphore")
41 | public final class Lock {
42 | fileprivate let mutex: UnsafeMutablePointer<pthread_mutex_t> = UnsafeMutablePointer.allocate(capacity: 1)
| `- error: cannot find type 'pthread_mutex_t' in scope
43 |
44 | /// Create a new lock.
/host/spi-builder-workspace/.build/checkouts/swift-distributed-actors/Sources/DistributedActorsConcurrencyHelpers/lock.swift:113:44: error: cannot find type 'pthread_cond_t' in scope
111 | private var _value: T
112 | private let mutex: Lock
113 | private let cond: UnsafeMutablePointer<pthread_cond_t> = UnsafeMutablePointer.allocate(capacity: 1)
| `- error: cannot find type 'pthread_cond_t' in scope
114 |
115 | /// Create the lock, and initialize the state variable to `value`.
/host/spi-builder-workspace/.build/checkouts/swift-distributed-actors/Sources/DistributedActorsConcurrencyHelpers/lock.swift:46:20: error: cannot find 'pthread_mutexattr_t' in scope
44 | /// Create a new lock.
45 | public init() {
46 | var attr = pthread_mutexattr_t()
| `- error: cannot find 'pthread_mutexattr_t' in scope
47 | pthread_mutexattr_init(&attr)
48 | pthread_mutexattr_settype(&attr, .init(PTHREAD_MUTEX_ERRORCHECK))
/host/spi-builder-workspace/.build/checkouts/swift-distributed-actors/Sources/DistributedActorsConcurrencyHelpers/lock.swift:47:9: error: cannot find 'pthread_mutexattr_init' in scope
45 | public init() {
46 | var attr = pthread_mutexattr_t()
47 | pthread_mutexattr_init(&attr)
| `- error: cannot find 'pthread_mutexattr_init' in scope
48 | pthread_mutexattr_settype(&attr, .init(PTHREAD_MUTEX_ERRORCHECK))
49 |
/host/spi-builder-workspace/.build/checkouts/swift-distributed-actors/Sources/DistributedActorsConcurrencyHelpers/lock.swift:48:9: error: cannot find 'pthread_mutexattr_settype' in scope
46 | var attr = pthread_mutexattr_t()
47 | pthread_mutexattr_init(&attr)
48 | pthread_mutexattr_settype(&attr, .init(PTHREAD_MUTEX_ERRORCHECK))
| `- error: cannot find 'pthread_mutexattr_settype' in scope
49 |
50 | let err = pthread_mutex_init(self.mutex, &attr)
/host/spi-builder-workspace/.build/checkouts/swift-distributed-actors/Sources/DistributedActorsConcurrencyHelpers/lock.swift:48:48: error: cannot find 'PTHREAD_MUTEX_ERRORCHECK' in scope
46 | var attr = pthread_mutexattr_t()
47 | pthread_mutexattr_init(&attr)
48 | pthread_mutexattr_settype(&attr, .init(PTHREAD_MUTEX_ERRORCHECK))
| `- error: cannot find 'PTHREAD_MUTEX_ERRORCHECK' in scope
49 |
50 | let err = pthread_mutex_init(self.mutex, &attr)
/host/spi-builder-workspace/.build/checkouts/swift-distributed-actors/Sources/DistributedActorsConcurrencyHelpers/lock.swift:48:43: error: cannot infer contextual base in reference to member 'init'
46 | var attr = pthread_mutexattr_t()
47 | pthread_mutexattr_init(&attr)
48 | pthread_mutexattr_settype(&attr, .init(PTHREAD_MUTEX_ERRORCHECK))
| `- error: cannot infer contextual base in reference to member 'init'
49 |
50 | let err = pthread_mutex_init(self.mutex, &attr)
/host/spi-builder-workspace/.build/checkouts/swift-distributed-actors/Sources/DistributedActorsConcurrencyHelpers/lock.swift:50:19: error: cannot find 'pthread_mutex_init' in scope
48 | pthread_mutexattr_settype(&attr, .init(PTHREAD_MUTEX_ERRORCHECK))
49 |
50 | let err = pthread_mutex_init(self.mutex, &attr)
| `- error: cannot find 'pthread_mutex_init' in scope
51 | precondition(err == 0, "\(#function) failed in pthread_mutex with error \(err)")
52 | }
/host/spi-builder-workspace/.build/checkouts/swift-distributed-actors/Sources/DistributedActorsConcurrencyHelpers/lock.swift:55:19: error: cannot find 'pthread_mutex_destroy' in scope
53 |
54 | deinit {
55 | let err = pthread_mutex_destroy(self.mutex)
| `- error: cannot find 'pthread_mutex_destroy' in scope
56 | precondition(err == 0, "\(#function) failed in pthread_mutex with error \(err)")
57 | mutex.deallocate()
/host/spi-builder-workspace/.build/checkouts/swift-distributed-actors/Sources/DistributedActorsConcurrencyHelpers/lock.swift:65:19: error: cannot find 'pthread_mutex_lock' in scope
63 | /// `unlock`, to simplify lock handling.
64 | public func lock() {
65 | let err = pthread_mutex_lock(self.mutex)
| `- error: cannot find 'pthread_mutex_lock' in scope
66 | if err != 0 {
67 | fatalError("\(#function) failed in pthread_mutex with error \(err)")
/host/spi-builder-workspace/.build/checkouts/swift-distributed-actors/Sources/DistributedActorsConcurrencyHelpers/lock.swift:76:19: error: cannot find 'pthread_mutex_unlock' in scope
74 | /// `lock`, to simplify lock handling.
75 | public func unlock() {
76 | let err = pthread_mutex_unlock(self.mutex)
| `- error: cannot find 'pthread_mutex_unlock' in scope
77 | precondition(err == 0, "\(#function) failed in pthread_mutex with error \(err)")
78 | }
/host/spi-builder-workspace/.build/checkouts/swift-distributed-actors/Sources/DistributedActorsConcurrencyHelpers/lock.swift:121:19: error: cannot find 'pthread_cond_init' in scope
119 | self._value = value
120 | self.mutex = Lock()
121 | let err = pthread_cond_init(self.cond, nil)
| `- error: cannot find 'pthread_cond_init' in scope
122 | precondition(err == 0, "\(#function) failed in pthread_mutex with error \(err)")
123 | }
/host/spi-builder-workspace/.build/checkouts/swift-distributed-actors/Sources/DistributedActorsConcurrencyHelpers/lock.swift:121:48: error: 'nil' requires a contextual type
119 | self._value = value
120 | self.mutex = Lock()
121 | let err = pthread_cond_init(self.cond, nil)
| `- error: 'nil' requires a contextual type
122 | precondition(err == 0, "\(#function) failed in pthread_mutex with error \(err)")
123 | }
/host/spi-builder-workspace/.build/checkouts/swift-distributed-actors/Sources/DistributedActorsConcurrencyHelpers/lock.swift:126:19: error: cannot find 'pthread_cond_destroy' in scope
124 |
125 | deinit {
126 | let err = pthread_cond_destroy(self.cond)
| `- error: cannot find 'pthread_cond_destroy' in scope
127 | precondition(err == 0, "\(#function) failed in pthread_mutex with error \(err)")
128 | self.cond.deallocate()
/host/spi-builder-workspace/.build/checkouts/swift-distributed-actors/Sources/DistributedActorsConcurrencyHelpers/lock.swift:164:23: error: cannot find 'pthread_cond_wait' in scope
162 | break
163 | }
164 | let err = pthread_cond_wait(self.cond, self.mutex.mutex)
| `- error: cannot find 'pthread_cond_wait' in scope
165 | precondition(err == 0, "\(#function) failed in pthread_cond with error \(err)")
166 | }
/host/spi-builder-workspace/.build/checkouts/swift-distributed-actors/Sources/DistributedActorsConcurrencyHelpers/lock.swift:185:23: error: cannot find 'timeval' in scope
183 | let timeoutNS = Int64(timeoutSeconds * Double(nsecPerSec))
184 |
185 | var curTime = timeval()
| `- error: cannot find 'timeval' in scope
186 | gettimeofday(&curTime, nil)
187 |
/host/spi-builder-workspace/.build/checkouts/swift-distributed-actors/Sources/DistributedActorsConcurrencyHelpers/lock.swift:186:9: error: cannot find 'gettimeofday' in scope
184 |
185 | var curTime = timeval()
186 | gettimeofday(&curTime, nil)
| `- error: cannot find 'gettimeofday' in scope
187 |
188 | let allNSecs: Int64 = timeoutNS + Int64(curTime.tv_usec) * 1000
/host/spi-builder-workspace/.build/checkouts/swift-distributed-actors/Sources/DistributedActorsConcurrencyHelpers/lock.swift:186:32: error: 'nil' requires a contextual type
184 |
185 | var curTime = timeval()
186 | gettimeofday(&curTime, nil)
| `- error: 'nil' requires a contextual type
187 |
188 | let allNSecs: Int64 = timeoutNS + Int64(curTime.tv_usec) * 1000
/host/spi-builder-workspace/.build/checkouts/swift-distributed-actors/Sources/DistributedActorsConcurrencyHelpers/lock.swift:189:26: error: cannot find 'timespec' in scope
187 |
188 | let allNSecs: Int64 = timeoutNS + Int64(curTime.tv_usec) * 1000
189 | var timeoutAbs = timespec(
| `- error: cannot find 'timespec' in scope
190 | tv_sec: curTime.tv_sec + Int(allNSecs / nsecPerSec),
191 | tv_nsec: Int(allNSecs % nsecPerSec)
/host/spi-builder-workspace/.build/checkouts/swift-distributed-actors/Sources/DistributedActorsConcurrencyHelpers/lock.swift:199:20: error: cannot find 'pthread_cond_timedwait' in scope
197 | return true
198 | }
199 | switch pthread_cond_timedwait(self.cond, self.mutex.mutex, &timeoutAbs) {
| `- error: cannot find 'pthread_cond_timedwait' in scope
200 | case 0:
201 | continue
/host/spi-builder-workspace/.build/checkouts/swift-distributed-actors/Sources/DistributedActorsConcurrencyHelpers/lock.swift:202:18: error: cannot find 'ETIMEDOUT' in scope
200 | case 0:
201 | continue
202 | case ETIMEDOUT:
| `- error: cannot find 'ETIMEDOUT' in scope
203 | self.unlock()
204 | return false
/host/spi-builder-workspace/.build/checkouts/swift-distributed-actors/Sources/DistributedActorsConcurrencyHelpers/lock.swift:218:19: error: cannot find 'pthread_cond_broadcast' in scope
216 | self._value = newValue
217 | self.unlock()
218 | let err = pthread_cond_broadcast(self.cond)
| `- error: cannot find 'pthread_cond_broadcast' in scope
219 | precondition(err == 0, "\(#function) failed in pthread_cond with error \(err)")
220 | }
[55/590] Compiling CoreMetrics WithMetricsFactory.swift
[56/590] Compiling InternalCollectionsUtilities UnsafeMutableRawBufferPointer+Extras.swift
[57/590] Compiling InternalCollectionsUtilities UnsafeRawBufferPointer+Extras.swift
/root/.swiftpm/swift-sdks/swift-6.3-RELEASE_wasm.artifactbundle/swift-6.3-RELEASE_wasm/wasm32-unknown-wasip1/swift.xctoolchain/usr/lib/swift_static/CoreFoundation/CoreFoundation.h:28:10: note: while building module 'wasi_emulated_signal' imported from /root/.swiftpm/swift-sdks/swift-6.3-RELEASE_wasm.artifactbundle/swift-6.3-RELEASE_wasm/wasm32-unknown-wasip1/swift.xctoolchain/usr/lib/swift_static/CoreFoundation/CoreFoundation.h:28:
26 | #include <setjmp.h>
27 | #endif
28 | #include <signal.h>
| `- note: while building module 'wasi_emulated_signal' imported from /root/.swiftpm/swift-sdks/swift-6.3-RELEASE_wasm.artifactbundle/swift-6.3-RELEASE_wasm/wasm32-unknown-wasip1/swift.xctoolchain/usr/lib/swift_static/CoreFoundation/CoreFoundation.h:28:
29 | #include <stddef.h>
30 | #include <stdio.h>
<module-includes>:1:10: note: in file included from <module-includes>:1:
1 | #include "signal.h"
| `- note: in file included from <module-includes>:1:
2 |
/root/.swiftpm/swift-sdks/swift-6.3-RELEASE_wasm.artifactbundle/swift-6.3-RELEASE_wasm/wasm32-unknown-wasip1/WASI.sdk/include/wasm32-wasip1/signal.h:2:2: error: "wasm lacks signal support; to enable minimal signal emulation, compile with -D_WASI_EMULATED_SIGNAL and link with -lwasi-emulated-signal"
1 | #ifndef _WASI_EMULATED_SIGNAL
2 | #error "wasm lacks signal support; to enable minimal signal emulation, \
| `- error: "wasm lacks signal support; to enable minimal signal emulation, compile with -D_WASI_EMULATED_SIGNAL and link with -lwasi-emulated-signal"
3 | compile with -D_WASI_EMULATED_SIGNAL and link with -lwasi-emulated-signal"
4 | #else
<module-includes>:1:10: note: in file included from <module-includes>:1:
1 | #include "CoreFoundation.h"
| `- note: in file included from <module-includes>:1:
2 |
/root/.swiftpm/swift-sdks/swift-6.3-RELEASE_wasm.artifactbundle/swift-6.3-RELEASE_wasm/wasm32-unknown-wasip1/swift.xctoolchain/usr/lib/swift_static/CoreFoundation/CoreFoundation.h:28:10: error: could not build module 'wasi_emulated_signal'
26 | #include <setjmp.h>
27 | #endif
28 | #include <signal.h>
| `- error: could not build module 'wasi_emulated_signal'
29 | #include <stddef.h>
30 | #include <stdio.h>
/root/.swiftpm/swift-sdks/swift-6.3-RELEASE_wasm.artifactbundle/swift-6.3-RELEASE_wasm/wasm32-unknown-wasip1/swift.xctoolchain/usr/lib/swift_static/CoreFoundation/ForSwiftFoundationOnly.h:86:10: note: while building module 'wasi_emulated_mman' imported from /root/.swiftpm/swift-sdks/swift-6.3-RELEASE_wasm.artifactbundle/swift-6.3-RELEASE_wasm/wasm32-unknown-wasip1/swift.xctoolchain/usr/lib/swift_static/CoreFoundation/ForSwiftFoundationOnly.h:86:
84 | #undef _WASI_EMULATED_MMAN
85 | #define _WASI_EMULATED_MMAN
86 | #include <sys/mman.h>
| `- note: while building module 'wasi_emulated_mman' imported from /root/.swiftpm/swift-sdks/swift-6.3-RELEASE_wasm.artifactbundle/swift-6.3-RELEASE_wasm/wasm32-unknown-wasip1/swift.xctoolchain/usr/lib/swift_static/CoreFoundation/ForSwiftFoundationOnly.h:86:
87 | #elif TARGET_OS_LINUX
88 | #include <errno.h>
<module-includes>:1:10: note: in file included from <module-includes>:1:
1 | #include "sys/mman.h"
| `- note: in file included from <module-includes>:1:
2 |
/root/.swiftpm/swift-sdks/swift-6.3-RELEASE_wasm.artifactbundle/swift-6.3-RELEASE_wasm/wasm32-unknown-wasip1/WASI.sdk/include/wasm32-wasip1/sys/mman.h:2:2: error: "WASI lacks a true mmap; to enable minimal mmap emulation, compile with -D_WASI_EMULATED_MMAN and link with -lwasi-emulated-mman"
1 | #ifndef _WASI_EMULATED_MMAN
2 | #error "WASI lacks a true mmap; to enable minimal mmap emulation, \
| `- error: "WASI lacks a true mmap; to enable minimal mmap emulation, compile with -D_WASI_EMULATED_MMAN and link with -lwasi-emulated-mman"
3 | compile with -D_WASI_EMULATED_MMAN and link with -lwasi-emulated-mman"
4 | #else
[58/590] Emitting module _NIODataStructures
[59/590] Emitting module _NIOBase64
BUILD FAILURE 6.3 wasm