Swift Package IndexBuild Information
Failed to build swift-huggingface, reference main (b72195), with Swift 6.2 for Wasm on 16 Mar 2026 21:39:23 UTC.
Build Command
bash -c docker run --pull=always --rm -v "checkouts-4609320-1":/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-6.2-latest swift build --swift-sdk wasm32-unknown-wasip1 2>&1Build Log
========================================
RunAll
========================================
Builder version: 4.69.1
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/huggingface/swift-huggingface.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/huggingface/swift-huggingface
* branch main -> FETCH_HEAD
* [new branch] main -> origin/main
HEAD is now at b721959 Bump version to 0.9.0
Cloned https://github.com/huggingface/swift-huggingface.git
Revision (git rev-parse @):
b721959445b617d0bf03910b2b4aced345fd93bf
SUCCESS checkout https://github.com/huggingface/swift-huggingface.git at main
========================================
Build
========================================
Selected platform: wasm
Swift version: 6.2
Building package at path: $PWD
https://github.com/huggingface/swift-huggingface.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4609320-1":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/swiftpackageindex/spi-images:wasm-6.2-latest swift build --swift-sdk wasm32-unknown-wasip1 2>&1
wasm-6.2-latest: Pulling from swiftpackageindex/spi-images
Digest: sha256:33aba1b4ee401c56e0fd7ee42e05ab1ffc0b6f44277ad19cffda5d456eb09500
Status: Image is up to date for registry.gitlab.com/swiftpackageindex/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/mattt/EventSource.git
Fetching https://github.com/apple/swift-crypto.git
[1/271] Fetching eventsource
Fetched https://github.com/mattt/EventSource.git from cache (0.24s)
[1/17246] Fetching swift-crypto
Fetched https://github.com/apple/swift-crypto.git from cache (2.29s)
Computing version for https://github.com/mattt/EventSource.git
Computed https://github.com/mattt/EventSource.git at 1.4.1 (2.67s)
Fetching https://github.com/apple/swift-nio.git
[1/82827] Fetching swift-nio
Fetched https://github.com/apple/swift-nio.git from cache (6.89s)
Computing version for https://github.com/apple/swift-nio.git
Computed https://github.com/apple/swift-nio.git at 2.96.0 (8.10s)
Fetching https://github.com/apple/swift-collections.git
Fetching https://github.com/apple/swift-atomics.git
Fetching https://github.com/apple/swift-system.git
[1/1820] Fetching swift-atomics
[602/24230] Fetching swift-atomics, swift-collections
[1366/29831] Fetching swift-atomics, swift-collections, swift-system
Fetched https://github.com/apple/swift-system.git from cache (1.69s)
Fetched https://github.com/apple/swift-atomics.git from cache (1.69s)
Fetched https://github.com/apple/swift-collections.git from cache (2.08s)
Computing version for https://github.com/apple/swift-atomics.git
Computed https://github.com/apple/swift-atomics.git at 1.3.0 (2.50s)
Computing version for https://github.com/apple/swift-system.git
Computed https://github.com/apple/swift-system.git at 1.6.4 (0.43s)
Computing version for https://github.com/apple/swift-collections.git
Computed https://github.com/apple/swift-collections.git at 1.4.0 (0.61s)
Computing version for https://github.com/apple/swift-crypto.git
Computed https://github.com/apple/swift-crypto.git at 4.3.0 (3.88s)
Fetching https://github.com/apple/swift-asn1.git
[1/1769] Fetching swift-asn1
Fetched https://github.com/apple/swift-asn1.git from cache (0.30s)
Computing version for https://github.com/apple/swift-asn1.git
Computed https://github.com/apple/swift-asn1.git at 1.5.1 (0.77s)
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-crypto.git
Working copy of https://github.com/apple/swift-crypto.git resolved at 4.3.0
Creating working copy for https://github.com/mattt/EventSource.git
Working copy of https://github.com/mattt/EventSource.git resolved at 1.4.1
Creating working copy for https://github.com/apple/swift-asn1.git
Working copy of https://github.com/apple/swift-asn1.git resolved at 1.5.1
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.git
Working copy of https://github.com/apple/swift-nio.git resolved at 2.96.0
Creating working copy for https://github.com/apple/swift-collections.git
Working copy of https://github.com/apple/swift-collections.git resolved at 1.4.0
Building for debugging...
[0/395] Write sources
[4/395] Compiling a_dup.cc
[5/395] Write sources
[7/395] Compiling aes.cc
[7/395] Write sources
[13/395] Compiling _AtomicsShims.c
[14/395] Compiling CXKCPShims shims.c
[15/395] Compiling cpu_aarch64_win.cc
[16/395] Compiling SimpleFIPS202.c
[17/395] Compiling a_d2i_fp.cc
[18/395] Compiling KeccakSponge.c
[19/395] Compiling CNIOWindows WSAStartup.c
[20/395] Compiling CNIOWindows shim.c
[21/395] Compiling CNIOWASI CNIOWASI.c
[22/395] Compiling KeccakHash.c
[23/395] Compiling cpu_arm_freebsd.cc
[24/395] Compiling CNIOOpenBSD shim.c
[25/395] Compiling CNIOLinux liburing_shims.c
[26/395] Compiling CNIOLinux shim.c
[27/395] Compiling CNIODarwin shim.c
[28/395] Write swift-version-24593BA9C3E375BF.txt
[29/395] Compiling a_bool.cc
[30/395] Compiling fiat_p256_adx_sqr.S
[31/395] Compiling a_bitstr.cc
[32/395] Compiling fiat_p256_adx_mul.S
[33/401] Compiling fiat_curve25519_adx_square.S
[34/401] Compiling fiat_curve25519_adx_mul.S
[35/401] Compiling CCryptoBoringSSLShims shims.c
[36/401] Compiling md5-x86_64-linux.S
error: emit-module command failed with exit code 1 (use -v to see invocation)
[38/401] 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)
[38/401] Compiling md5-586-linux.S
[39/401] Compiling md5-x86_64-apple.S
[40/401] Compiling md5-586-apple.S
[41/401] Compiling chacha20_poly1305_x86_64-linux.S
[42/401] Compiling chacha20_poly1305_x86_64-apple.S
[43/401] Compiling chacha20_poly1305_armv8-win.S
error: emit-module command failed with exit code 1 (use -v to see invocation)
[45/401] 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 |
[45/401] Compiling chacha20_poly1305_armv8-linux.S
[46/401] Compiling chacha20_poly1305_armv8-apple.S
[47/401] Compiling chacha-x86_64-linux.S
[48/401] Compiling chacha-x86_64-apple.S
[49/401] Compiling chacha-x86-linux.S
[50/401] Compiling chacha-x86-apple.S
[51/401] Compiling err_data.cc
[52/401] Compiling chacha-armv8-linux.S
[54/401] Compiling _NIOBase64 Base64.swift
/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 |
[54/401] Compiling chacha-armv8-win.S
[54/401] Compiling KeccakP-1600-opt64.c
[54/401] Compiling c-nioatomics.c
/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 |
[54/401] Compiling chacha-armv8-apple.S
[54/401] Compiling c-atomics.c
BUILD FAILURE 6.2 wasm