Swift Package Index

Build Information

Failed to build Bolt, reference master (54a89d), with Swift 6.2 for Wasm on 7 Feb 2026 05:32:23 UTC.

Build Command

bash -c docker run --pull=always --rm -v "checkouts-4606859-0":/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

Build Log

========================================
RunAll
========================================
Builder version: 4.68.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/Neo4j-Swift/bolt-swift.git
Reference: master
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/Neo4j-Swift/bolt-swift
 * branch            master     -> FETCH_HEAD
 * [new branch]      master     -> origin/master
HEAD is now at 54a89d6 Use GitHub URL for PackStream-Swift dependency (6.0.1)
Cloned https://github.com/Neo4j-Swift/bolt-swift.git
Revision (git rev-parse @):
54a89d609b0e1bd9c7a11c6cd140a3e8c44845ed
SUCCESS checkout https://github.com/Neo4j-Swift/bolt-swift.git at master
========================================
Build
========================================
Selected platform:         wasm
Swift version:             6.2
Building package at path:  $PWD
https://github.com/Neo4j-Swift/bolt-swift.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4606859-0":/host -w "$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:c50555b47c4db0b0576f9f25702fbe2fdff28194c4a4f4c23a7dce4b3504c85e
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/Neo4j-Swift/PackStream-Swift.git
Fetching https://github.com/apple/swift-nio.git
Fetching https://github.com/apple/swift-nio-transport-services.git
[1/2809] Fetching swift-nio-transport-services
[2810/5544] Fetching swift-nio-transport-services, packstream-swift
Fetched https://github.com/apple/swift-nio-transport-services.git from cache (0.56s)
Fetched https://github.com/Neo4j-Swift/PackStream-Swift.git from cache (0.68s)
[1/81943] Fetching swift-nio
Fetching https://github.com/apple/swift-nio-ssl.git
Fetched https://github.com/apple/swift-nio.git from cache (10.48s)
[1/15296] Fetching swift-nio-ssl
Fetched https://github.com/apple/swift-nio-ssl.git from cache (2.94s)
Computing version for https://github.com/Neo4j-Swift/PackStream-Swift.git
Computed https://github.com/Neo4j-Swift/PackStream-Swift.git at 6.0.1 (13.91s)
Computing version for https://github.com/apple/swift-nio-transport-services.git
Computed https://github.com/apple/swift-nio-transport-services.git at 1.26.0 (0.74s)
Fetching https://github.com/apple/swift-atomics.git
[1/1820] Fetching swift-atomics
Fetched https://github.com/apple/swift-atomics.git from cache (0.67s)
Computing version for https://github.com/apple/swift-atomics.git
Computed https://github.com/apple/swift-atomics.git at 1.3.0 (1.53s)
Computing version for https://github.com/apple/swift-nio-ssl.git
Computed https://github.com/apple/swift-nio-ssl.git at 2.36.0 (0.80s)
Computing version for https://github.com/apple/swift-nio.git
Computed https://github.com/apple/swift-nio.git at 2.94.0 (1.48s)
Fetching https://github.com/apple/swift-system.git
Fetching https://github.com/apple/swift-collections.git
[1/5552] Fetching swift-system
[3388/25030] Fetching swift-system, swift-collections
Fetched https://github.com/apple/swift-system.git from cache (3.07s)
Fetched https://github.com/apple/swift-collections.git from cache (3.18s)
Computing version for https://github.com/apple/swift-system.git
Computed https://github.com/apple/swift-system.git at 1.6.4 (4.12s)
Computing version for https://github.com/apple/swift-collections.git
Computed https://github.com/apple/swift-collections.git at 1.3.0 (1.31s)
Creating working copy for https://github.com/apple/swift-system.git
Working copy of https://github.com/apple/swift-system.git resolved at 1.6.4
Creating working copy for https://github.com/apple/swift-nio-transport-services.git
Working copy of https://github.com/apple/swift-nio-transport-services.git resolved at 1.26.0
Creating working copy for https://github.com/apple/swift-nio.git
Working copy of https://github.com/apple/swift-nio.git resolved at 2.94.0
Creating working copy for https://github.com/apple/swift-nio-ssl.git
Working copy of https://github.com/apple/swift-nio-ssl.git resolved at 2.36.0
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-atomics.git
Working copy of https://github.com/apple/swift-atomics.git resolved at 1.3.0
Creating working copy for https://github.com/Neo4j-Swift/PackStream-Swift.git
Working copy of https://github.com/Neo4j-Swift/PackStream-Swift.git resolved at 6.0.1
Building for debugging...
[0/428] Write sources
[12/428] Compiling CNIOWindows WSAStartup.c
[13/428] Compiling CNIOWindows shim.c
[14/428] Write sources
[17/428] Compiling CNIODarwin shim.c
[18/428] Compiling CNIOOpenBSD shim.c
[19/428] Compiling CNIOLinux liburing_shims.c
[20/428] Compiling CNIOLinux shim.c
[21/428] Compiling _AtomicsShims.c
[22/428] Compiling CNIOWASI CNIOWASI.c
[22/428] Compiling CNIOPosix event_loop_id.c
[24/428] Write swift-version-24593BA9C3E375BF.txt
[25/428] Compiling fiat_p256_adx_sqr.S
[26/428] Compiling fiat_p256_adx_mul.S
[27/428] Compiling fiat_curve25519_adx_square.S
[28/428] Compiling fiat_curve25519_adx_mul.S
[29/434] Compiling CNIOBoringSSLShims shims.c
error: emit-module command failed with exit code 1 (use -v to see invocation)
[31/434] 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)
error: emit-module command failed with exit code 1 (use -v to see invocation)
[32/434] 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 |
[33/434] Compiling _NIODataStructures Heap.swift
/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)
[33/434] Compiling tls13_enc.cc
[33/434] Compiling tls13_client.cc
[33/434] Compiling tls_method.cc
[33/434] Compiling tls13_server.cc
[33/434] Compiling tls_record.cc
BUILD FAILURE 6.2 wasm