Swift Package IndexBuild Information
Failed to build swift-distributed-tracing, reference 1.2.1 (b78796), with Swift 6.2 (beta) for Wasm on 18 Jun 2025 22:26:39 UTC.
Build Command
bash -c docker run --pull=always --rm -v "checkouts-4609320-1":/host -w "$PWD" registry.gitlab.com/finestructure/spi-images:wasm-6.2-latest swift build --swift-sdk wasm32-unknown-wasi 2>&1Build Log
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RunAll
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Builder version: 4.64.0
Interrupt handler set up.
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Checkout
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Clone URL: https://github.com/apple/swift-distributed-tracing.git
Reference: 1.2.1
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/apple/swift-distributed-tracing
* tag 1.2.1 -> FETCH_HEAD
HEAD is now at b787967 Adds documentation on manual span propogation (#153)
Cloned https://github.com/apple/swift-distributed-tracing.git
Revision (git rev-parse @):
b78796709d243d5438b36e74ce3c5ec2d2ece4d8
SPI manifest file found: $PWD/.spi.yml
SUCCESS checkout https://github.com/apple/swift-distributed-tracing.git at 1.2.1
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Build
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Selected platform: wasm
Swift version: 6.2
Building package at path: $PWD
https://github.com/apple/swift-distributed-tracing.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4609320-1":/host -w "$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/apple/swift-service-context.git
[1/1081] Fetching swift-service-context
Fetched https://github.com/apple/swift-service-context.git from cache (3.49s)
Computing version for https://github.com/apple/swift-service-context.git
Computed https://github.com/apple/swift-service-context.git at 1.2.1 (5.71s)
Creating working copy for https://github.com/apple/swift-service-context.git
Working copy of https://github.com/apple/swift-service-context.git resolved at 1.2.1
Building for debugging...
[0/4] Write sources
[3/4] Write swift-version-24593BA9C3E375BF.txt
[5/7] Compiling ServiceContextModule ServiceContextKey.swift
[6/7] Emitting module ServiceContextModule
[7/7] Compiling ServiceContextModule ServiceContext.swift
[9/14] Compiling Instrumentation NoOpInstrument.swift
/host/spi-builder-workspace/Sources/Instrumentation/Locks.swift:38:8: error: Unsupported runtime
36 | import Musl
37 | #else
38 | #error("Unsupported runtime")
| `- error: Unsupported runtime
39 | #endif
40 |
[10/14] Compiling Instrumentation MultiplexInstrument.swift
/host/spi-builder-workspace/Sources/Instrumentation/Locks.swift:38:8: error: Unsupported runtime
36 | import Musl
37 | #else
38 | #error("Unsupported runtime")
| `- error: Unsupported runtime
39 | #endif
40 |
[11/14] Compiling Instrumentation InstrumentationSystem.swift
/host/spi-builder-workspace/Sources/Instrumentation/Locks.swift:38:8: error: Unsupported runtime
36 | import Musl
37 | #else
38 | #error("Unsupported runtime")
| `- error: Unsupported runtime
39 | #endif
40 |
error: emit-module command failed with exit code 1 (use -v to see invocation)
[12/14] Emitting module Instrumentation
/host/spi-builder-workspace/Sources/Instrumentation/Locks.swift:38:8: error: Unsupported runtime
36 | import Musl
37 | #else
38 | #error("Unsupported runtime")
| `- error: Unsupported runtime
39 | #endif
40 |
/host/spi-builder-workspace/Sources/Instrumentation/Locks.swift:48:46: error: cannot find type 'pthread_rwlock_t' in scope
46 | @_spi(Locking) // Use the `package` access modifier once min Swift version is increased.
47 | public final class ReadWriteLock {
48 | private let rwlock: UnsafeMutablePointer<pthread_rwlock_t> = UnsafeMutablePointer.allocate(capacity: 1)
| `- error: cannot find type 'pthread_rwlock_t' in scope
49 |
50 | /// Create a new lock.
[13/14] Compiling Instrumentation Instrument.swift
/host/spi-builder-workspace/Sources/Instrumentation/Locks.swift:38:8: error: Unsupported runtime
36 | import Musl
37 | #else
38 | #error("Unsupported runtime")
| `- error: Unsupported runtime
39 | #endif
40 |
[14/14] Compiling Instrumentation Locks.swift
/host/spi-builder-workspace/Sources/Instrumentation/Locks.swift:38:8: error: Unsupported runtime
36 | import Musl
37 | #else
38 | #error("Unsupported runtime")
| `- error: Unsupported runtime
39 | #endif
40 |
/host/spi-builder-workspace/Sources/Instrumentation/Locks.swift:48:46: error: cannot find type 'pthread_rwlock_t' in scope
46 | @_spi(Locking) // Use the `package` access modifier once min Swift version is increased.
47 | public final class ReadWriteLock {
48 | private let rwlock: UnsafeMutablePointer<pthread_rwlock_t> = UnsafeMutablePointer.allocate(capacity: 1)
| `- error: cannot find type 'pthread_rwlock_t' in scope
49 |
50 | /// Create a new lock.
/host/spi-builder-workspace/Sources/Instrumentation/Locks.swift:52:19: error: cannot find 'pthread_rwlock_init' in scope
50 | /// Create a new lock.
51 | public init() {
52 | let err = pthread_rwlock_init(self.rwlock, nil)
| `- error: cannot find 'pthread_rwlock_init' in scope
53 | precondition(err == 0, "pthread_rwlock_init failed with error \(err)")
54 | }
/host/spi-builder-workspace/Sources/Instrumentation/Locks.swift:52:52: error: 'nil' requires a contextual type
50 | /// Create a new lock.
51 | public init() {
52 | let err = pthread_rwlock_init(self.rwlock, nil)
| `- error: 'nil' requires a contextual type
53 | precondition(err == 0, "pthread_rwlock_init failed with error \(err)")
54 | }
/host/spi-builder-workspace/Sources/Instrumentation/Locks.swift:57:19: error: cannot find 'pthread_rwlock_destroy' in scope
55 |
56 | deinit {
57 | let err = pthread_rwlock_destroy(self.rwlock)
| `- error: cannot find 'pthread_rwlock_destroy' in scope
58 | precondition(err == 0, "pthread_rwlock_destroy failed with error \(err)")
59 | self.rwlock.deallocate()
/host/spi-builder-workspace/Sources/Instrumentation/Locks.swift:67:19: error: cannot find 'pthread_rwlock_rdlock' in scope
65 | /// `unlock`, to simplify lock handling.
66 | public func lockRead() {
67 | let err = pthread_rwlock_rdlock(self.rwlock)
| `- error: cannot find 'pthread_rwlock_rdlock' in scope
68 | precondition(err == 0, "pthread_rwlock_rdlock failed with error \(err)")
69 | }
/host/spi-builder-workspace/Sources/Instrumentation/Locks.swift:76:19: error: cannot find 'pthread_rwlock_wrlock' in scope
74 | /// `unlock`, to simplify lock handling.
75 | public func lockWrite() {
76 | let err = pthread_rwlock_wrlock(self.rwlock)
| `- error: cannot find 'pthread_rwlock_wrlock' in scope
77 | precondition(err == 0, "pthread_rwlock_wrlock failed with error \(err)")
78 | }
/host/spi-builder-workspace/Sources/Instrumentation/Locks.swift:85:19: error: cannot find 'pthread_rwlock_unlock' in scope
83 | /// `lock`, to simplify lock handling.
84 | public func unlock() {
85 | let err = pthread_rwlock_unlock(self.rwlock)
| `- error: cannot find 'pthread_rwlock_unlock' in scope
86 | precondition(err == 0, "pthread_rwlock_unlock failed with error \(err)")
87 | }
BUILD FAILURE 6.2 wasm