Swift Package IndexBuild Information
Failed to build swift-nio-transport-services, reference main (60c3e1), with Swift 6.2 for Wasm on 17 Nov 2025 10:19:40 UTC.
Build Command
bash -c docker run --pull=always --rm -v "checkouts-4606859-2":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/finestructure/spi-images:wasm-6.2-latest swift build --swift-sdk wasm32-unknown-wasip1 2>&1Build Log
========================================
RunAll
========================================
Builder version: 4.68.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/apple/swift-nio-transport-services.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/apple/swift-nio-transport-services
* branch main -> FETCH_HEAD
* [new branch] main -> origin/main
HEAD is now at 60c3e18 Drop Swift 5.10 (#247)
Cloned https://github.com/apple/swift-nio-transport-services.git
Revision (git rev-parse @):
60c3e187154421171721c1a38e800b390680fb5d
SPI manifest file found: $PWD/.spi.yml
SUCCESS checkout https://github.com/apple/swift-nio-transport-services.git at main
========================================
Build
========================================
Selected platform: wasm
Swift version: 6.2
Building package at path: $PWD
https://github.com/apple/swift-nio-transport-services.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4606859-2":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/finestructure/spi-images:wasm-6.2-latest swift build --swift-sdk wasm32-unknown-wasip1 2>&1
wasm-6.2-latest: Pulling from finestructure/spi-images
Digest: sha256:f6b6b9bdb5d5605d727da337418fc455cd8a0394d3a815b70631008c48829755
Status: Image is up to date for registry.gitlab.com/finestructure/spi-images:wasm-6.2-latest
warning: multiple Swift SDKs match target triple `wasm32-unknown-wasip1` and host triple x86_64-unknown-linux-gnu, selected one at /root/.swiftpm/swift-sdks/swift-6.2-RELEASE_wasm.artifactbundle/swift-6.2-RELEASE_wasm/wasm32-unknown-wasip1/embedded-swift-sdk.json
Fetching https://github.com/apple/swift-nio.git
Fetching https://github.com/apple/swift-atomics.git
[1/1820] Fetching swift-atomics
Fetched https://github.com/apple/swift-atomics.git from cache (0.36s)
[1/80330] Fetching swift-nio
Fetched https://github.com/apple/swift-nio.git from cache (6.89s)
Computing version for https://github.com/apple/swift-atomics.git
Computed https://github.com/apple/swift-atomics.git at 1.3.0 (7.68s)
Computing version for https://github.com/apple/swift-nio.git
Computed https://github.com/apple/swift-nio.git at 2.89.0 (1.81s)
Fetching https://github.com/apple/swift-system.git
Fetching https://github.com/apple/swift-collections.git
[1/5182] Fetching swift-system
[3059/23496] Fetching swift-system, swift-collections
Fetched https://github.com/apple/swift-system.git from cache (0.53s)
[6227/18314] Fetching swift-collections
Fetched https://github.com/apple/swift-collections.git from cache (1.41s)
Computing version for https://github.com/apple/swift-system.git
Computed https://github.com/apple/swift-system.git at 1.6.3 (1.86s)
Computing version for https://github.com/apple/swift-collections.git
Computed https://github.com/apple/swift-collections.git at 1.3.0 (0.69s)
Creating working copy for https://github.com/apple/swift-nio.git
Working copy of https://github.com/apple/swift-nio.git resolved at 2.89.0
Creating working copy for https://github.com/apple/swift-atomics.git
Working copy of https://github.com/apple/swift-atomics.git resolved at 1.3.0
Creating working copy for https://github.com/apple/swift-collections.git
Working copy of https://github.com/apple/swift-collections.git resolved at 1.3.0
Creating working copy for https://github.com/apple/swift-system.git
Working copy of https://github.com/apple/swift-system.git resolved at 1.6.3
Building for debugging...
[0/54] Write sources
[16/54] Compiling CNIOWindows WSAStartup.c
[17/54] Compiling CNIOWASI CNIOWASI.c
[18/54] Compiling CNIOPosix event_loop_id.c
[19/54] Compiling CNIOWindows shim.c
[19/54] Compiling _AtomicsShims.c
[21/54] Compiling CNIOLinux shim.c
[22/54] Compiling CNIOLinux liburing_shims.c
[22/54] Write sources
[24/54] Compiling CNIODarwin shim.c
[25/54] Compiling CNIOLLHTTP c_nio_http.c
[26/54] Compiling CNIOLLHTTP c_nio_api.c
[27/54] Compiling CNIOLLHTTP c_nio_llhttp.c
[28/54] Compiling c-nioatomics.c
[29/54] Compiling c-atomics.c
[29/54] Write swift-version-24593BA9C3E375BF.txt
error: emit-module command failed with exit code 1 (use -v to see invocation)
[32/64] Emitting module NIOConcurrencyHelpers
/host/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIOConcurrencyHelpers/NIOLock.swift:32:8: error: The concurrency NIOLock module was unable to identify your C library.
30 | #endif
31 | #else
32 | #error("The concurrency NIOLock module was unable to identify your C library.")
| `- error: The concurrency NIOLock module was unable to identify your C library.
33 | #endif
34 |
/host/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIOConcurrencyHelpers/atomics.swift:38:8: error: The concurrency atomics module was unable to identify your C library.
36 | @preconcurrency import WASILibc
37 | #else
38 | #error("The concurrency atomics module was unable to identify your C library.")
| `- error: The concurrency atomics module was unable to identify your C library.
39 | #endif
40 |
/host/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIOConcurrencyHelpers/lock.swift:32:8: error: The concurrency lock module was unable to identify your C library.
30 | #endif
31 | #else
32 | #error("The concurrency lock module was unable to identify your C library.")
| `- error: The concurrency lock module was unable to identify your C library.
33 | #endif
34 |
/host/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIOConcurrencyHelpers/NIOLock.swift:40:27: error: cannot find type 'pthread_mutex_t' in scope
38 | #else
39 | @usableFromInline
40 | typealias LockPrimitive = pthread_mutex_t
| `- error: cannot find type 'pthread_mutex_t' in scope
41 | #endif
42 |
/host/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIOConcurrencyHelpers/NIOLock.swift:135:27: error: type of expression is ambiguous without a type annotation
133 | @inlinable
134 | static func create(value: Value) -> Self {
135 | let buffer = Self.create(minimumCapacity: 1) { _ in
| `- error: type of expression is ambiguous without a type annotation
136 | value
137 | }
/host/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIOConcurrencyHelpers/NIOLock.swift:152:14: error: type of expression is ambiguous without a type annotation
150 | @inlinable
151 | func lock() {
152 | self.withUnsafeMutablePointerToElements { lockPtr in
| `- error: type of expression is ambiguous without a type annotation
153 | LockOperations.lock(lockPtr)
154 | }
/host/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIOConcurrencyHelpers/NIOLock.swift:159:14: error: type of expression is ambiguous without a type annotation
157 | @inlinable
158 | func unlock() {
159 | self.withUnsafeMutablePointerToElements { lockPtr in
| `- error: type of expression is ambiguous without a type annotation
160 | LockOperations.unlock(lockPtr)
161 | }
/host/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIOConcurrencyHelpers/NIOLock.swift:166:14: error: type of expression is ambiguous without a type annotation
164 | @inlinable
165 | deinit {
166 | self.withUnsafeMutablePointerToElements { lockPtr in
| `- error: type of expression is ambiguous without a type annotation
167 | LockOperations.destroy(lockPtr)
168 | }
/host/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIOConcurrencyHelpers/NIOLock.swift:173:18: error: type of expression is ambiguous without a type annotation
171 | @inlinable
172 | func withLockPrimitive<T>(_ body: (UnsafeMutablePointer<LockPrimitive>) throws -> T) rethrows -> T {
173 | try self.withUnsafeMutablePointerToElements { lockPtr in
| `- error: type of expression is ambiguous without a type annotation
174 | try body(lockPtr)
175 | }
/host/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIOConcurrencyHelpers/NIOLock.swift:180:18: error: type of expression is ambiguous without a type annotation
178 | @inlinable
179 | func withLockedValue<T>(_ mutate: (inout Value) throws -> T) rethrows -> T {
180 | try self.withUnsafeMutablePointers { valuePtr, lockPtr in
| `- error: type of expression is ambiguous without a type annotation
181 | LockOperations.lock(lockPtr)
182 | defer { LockOperations.unlock(lockPtr) }
/host/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIOConcurrencyHelpers/NIOLockedValueBox.swift:75:31: error: type of expression is ambiguous without a type annotation
73 | _ mutate: (_ value: inout Value) throws -> Result
74 | ) rethrows -> Result {
75 | try self._storage.withUnsafeMutablePointerToHeader { value in
| `- error: type of expression is ambiguous without a type annotation
76 | try mutate(&value.pointee)
77 | }
/host/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIOConcurrencyHelpers/atomics.swift:42:9: error: cannot find 'sched_yield' in scope
40 |
41 | private func sys_sched_yield() {
42 | _ = sched_yield()
| `- error: cannot find 'sched_yield' in scope
43 | }
44 | #endif
/host/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIOConcurrencyHelpers/lock.swift:47:49: error: cannot find type 'pthread_mutex_t' in scope
45 | UnsafeMutablePointer.allocate(capacity: 1)
46 | #else
47 | fileprivate let mutex: UnsafeMutablePointer<pthread_mutex_t> =
| `- error: cannot find type 'pthread_mutex_t' in scope
48 | UnsafeMutablePointer.allocate(capacity: 1)
49 | #endif
[33/64] Compiling NIOConcurrencyHelpers NIOAtomic.swift
/host/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIOConcurrencyHelpers/NIOLock.swift:32:8: error: The concurrency NIOLock module was unable to identify your C library.
30 | #endif
31 | #else
32 | #error("The concurrency NIOLock module was unable to identify your C library.")
| `- error: The concurrency NIOLock module was unable to identify your C library.
33 | #endif
34 |
/host/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIOConcurrencyHelpers/atomics.swift:38:8: error: The concurrency atomics module was unable to identify your C library.
36 | @preconcurrency import WASILibc
37 | #else
38 | #error("The concurrency atomics module was unable to identify your C library.")
| `- error: The concurrency atomics module was unable to identify your C library.
39 | #endif
40 |
/host/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIOConcurrencyHelpers/lock.swift:32:8: error: The concurrency lock module was unable to identify your C library.
30 | #endif
31 | #else
32 | #error("The concurrency lock module was unable to identify your C library.")
| `- error: The concurrency lock module was unable to identify your C library.
33 | #endif
34 |
/host/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIOConcurrencyHelpers/NIOLock.swift:40:27: error: cannot find type 'pthread_mutex_t' in scope
38 | #else
39 | @usableFromInline
40 | typealias LockPrimitive = pthread_mutex_t
| `- error: cannot find type 'pthread_mutex_t' in scope
41 | #endif
42 |
/host/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIOConcurrencyHelpers/NIOLock.swift:135:27: error: type of expression is ambiguous without a type annotation
133 | @inlinable
134 | static func create(value: Value) -> Self {
135 | let buffer = Self.create(minimumCapacity: 1) { _ in
| `- error: type of expression is ambiguous without a type annotation
136 | value
137 | }
/host/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIOConcurrencyHelpers/NIOLock.swift:152:14: error: type of expression is ambiguous without a type annotation
150 | @inlinable
151 | func lock() {
152 | self.withUnsafeMutablePointerToElements { lockPtr in
| `- error: type of expression is ambiguous without a type annotation
153 | LockOperations.lock(lockPtr)
154 | }
/host/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIOConcurrencyHelpers/NIOLock.swift:159:14: error: type of expression is ambiguous without a type annotation
157 | @inlinable
158 | func unlock() {
159 | self.withUnsafeMutablePointerToElements { lockPtr in
| `- error: type of expression is ambiguous without a type annotation
160 | LockOperations.unlock(lockPtr)
161 | }
/host/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIOConcurrencyHelpers/NIOLock.swift:166:14: error: type of expression is ambiguous without a type annotation
164 | @inlinable
165 | deinit {
166 | self.withUnsafeMutablePointerToElements { lockPtr in
| `- error: type of expression is ambiguous without a type annotation
167 | LockOperations.destroy(lockPtr)
168 | }
/host/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIOConcurrencyHelpers/NIOLock.swift:173:18: error: type of expression is ambiguous without a type annotation
171 | @inlinable
172 | func withLockPrimitive<T>(_ body: (UnsafeMutablePointer<LockPrimitive>) throws -> T) rethrows -> T {
173 | try self.withUnsafeMutablePointerToElements { lockPtr in
| `- error: type of expression is ambiguous without a type annotation
174 | try body(lockPtr)
175 | }
/host/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIOConcurrencyHelpers/NIOLock.swift:180:18: error: type of expression is ambiguous without a type annotation
178 | @inlinable
179 | func withLockedValue<T>(_ mutate: (inout Value) throws -> T) rethrows -> T {
180 | try self.withUnsafeMutablePointers { valuePtr, lockPtr in
| `- error: type of expression is ambiguous without a type annotation
181 | LockOperations.lock(lockPtr)
182 | defer { LockOperations.unlock(lockPtr) }
/host/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIOConcurrencyHelpers/NIOLockedValueBox.swift:75:31: error: type of expression is ambiguous without a type annotation
73 | _ mutate: (_ value: inout Value) throws -> Result
74 | ) rethrows -> Result {
75 | try self._storage.withUnsafeMutablePointerToHeader { value in
| `- error: type of expression is ambiguous without a type annotation
76 | try mutate(&value.pointee)
77 | }
/host/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIOConcurrencyHelpers/atomics.swift:42:9: error: cannot find 'sched_yield' in scope
40 |
41 | private func sys_sched_yield() {
42 | _ = sched_yield()
| `- error: cannot find 'sched_yield' in scope
43 | }
44 | #endif
/host/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIOConcurrencyHelpers/lock.swift:47:49: error: cannot find type 'pthread_mutex_t' in scope
45 | UnsafeMutablePointer.allocate(capacity: 1)
46 | #else
47 | fileprivate let mutex: UnsafeMutablePointer<pthread_mutex_t> =
| `- error: cannot find type 'pthread_mutex_t' in scope
48 | UnsafeMutablePointer.allocate(capacity: 1)
49 | #endif
error: emit-module command failed with exit code 1 (use -v to see invocation)
error: emit-module command failed with exit code 1 (use -v to see invocation)
[34/64] Emitting module _NIOBase64
/host/spi-builder-workspace/.build/checkouts/swift-nio/Sources/_NIOBase64/Base64.swift:112:39: error: cannot use a value of protocol type 'any Error' in embedded Swift
27 | @inlinable
28 | public func base64Decoded() throws -> [UInt8] {
29 | try self._base64Decoded()
| `- note: called from here
30 | }
31 |
:
38 | @inlinable
39 | public func _base64Decoded() throws -> [UInt8] {
40 | try Base64.decode(string: self)
| `- note: called from here
41 | }
42 | }
:
110 | if bytes[i + 2] != Base64.encodePaddingCharacter {
111 | guard let byte2Index = Base64.encodingTable.firstIndex(of: bytes[i + 2]) else {
112 | throw Base64Error.invalidCharacter
| `- error: cannot use a value of protocol type 'any Error' in embedded Swift
113 | }
114 |
[35/64] Emitting module _NIODataStructures
/host/spi-builder-workspace/.build/checkouts/swift-nio/Sources/_NIODataStructures/Heap.swift:27:8: error: The Heap module was unable to identify your C library.
25 | @preconcurrency import Bionic
26 | #else
27 | #error("The Heap module was unable to identify your C library.")
| `- error: The Heap module was unable to identify your C library.
28 | #endif
29 |
/host/spi-builder-workspace/.build/checkouts/swift-nio/Sources/_NIODataStructures/Heap.swift:170:47: error: 'init(describing:)' is unavailable: unavailable in embedded Swift
168 | return "<empty heap>"
169 | }
170 | let descriptions = self.storage.map { String(describing: $0) }
| `- error: 'init(describing:)' is unavailable: unavailable in embedded Swift
171 | let maxLen: Int = descriptions.map { $0.count }.max()! // storage checked non-empty above
172 | let paddedDescs = descriptions.map { (desc: String) -> String in
Swift.String.init:2:8: note: 'init(describing:)' has been explicitly marked unavailable here
1 | struct String {
2 | public init<Subject>(describing instance: Subject)}
| `- note: 'init(describing:)' has been explicitly marked unavailable here
3 |
/host/spi-builder-workspace/.build/checkouts/swift-nio/Sources/_NIODataStructures/Heap.swift:208:21: error: cannot find 'log2' in scope
206 |
207 | func height(index: Int) -> Int {
208 | Int(log2(Double(index + 1)))
| `- error: cannot find 'log2' in scope
209 | }
210 | let myHeight = height(index: index)
/host/spi-builder-workspace/.build/checkouts/swift-nio/Sources/_NIODataStructures/Heap.swift:27:8: error: The Heap module was unable to identify your C library.
25 | @preconcurrency import Bionic
26 | #else
27 | #error("The Heap module was unable to identify your C library.")
| `- error: The Heap module was unable to identify your C library.
28 | #endif
29 |
/host/spi-builder-workspace/.build/checkouts/swift-nio/Sources/_NIODataStructures/Heap.swift:170:47: error: 'init(describing:)' is unavailable: unavailable in embedded Swift
168 | return "<empty heap>"
169 | }
170 | let descriptions = self.storage.map { String(describing: $0) }
| `- error: 'init(describing:)' is unavailable: unavailable in embedded Swift
171 | let maxLen: Int = descriptions.map { $0.count }.max()! // storage checked non-empty above
172 | let paddedDescs = descriptions.map { (desc: String) -> String in
Swift.String.init:2:8: note: 'init(describing:)' has been explicitly marked unavailable here
1 | struct String {
2 | public init<Subject>(describing instance: Subject)}
| `- note: 'init(describing:)' has been explicitly marked unavailable here
3 |
BUILD FAILURE 6.2 wasm