Build Information
Failed to build swift-rtmp-kit, reference 0.3.0 (37bb96), with Swift 6.2 for Wasm on 15 Mar 2026 00:04:37 UTC.
Build Command
bash -c docker run --pull=always --rm -v "checkouts-4609320-0":/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/atelier-socle/swift-rtmp-kit.git
Reference: 0.3.0
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/atelier-socle/swift-rtmp-kit
* tag 0.3.0 -> FETCH_HEAD
HEAD is now at 37bb96f fix: Linux CI — cast SOL_SOCKET/SO_RCVBUF/SO_SNDBUF to SocketOptionLevel/Name
Cloned https://github.com/atelier-socle/swift-rtmp-kit.git
Revision (git rev-parse @):
37bb96f381a9a35d04c90f4ddd309246f7a18828
SUCCESS checkout https://github.com/atelier-socle/swift-rtmp-kit.git at 0.3.0
========================================
Build
========================================
Selected platform: wasm
Swift version: 6.2
Building package at path: $PWD
https://github.com/atelier-socle/swift-rtmp-kit.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4609320-0":/host -w "$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/apple/swift-crypto.git
Fetching https://github.com/apple/swift-argument-parser.git
Fetching https://github.com/swiftlang/swift-docc-plugin.git
Fetching https://github.com/apple/swift-nio-ssl.git
Fetching https://github.com/apple/swift-nio.git
[1/2171] Fetching swift-docc-plugin
[240/19402] Fetching swift-docc-plugin, swift-argument-parser
[10960/36648] Fetching swift-docc-plugin, swift-argument-parser, swift-crypto
Fetched https://github.com/swiftlang/swift-docc-plugin.git from cache (0.40s)
[9651/34477] Fetching swift-argument-parser, swift-crypto
[17922/49837] Fetching swift-argument-parser, swift-crypto, swift-nio-ssl
[19650/132647] Fetching swift-argument-parser, swift-crypto, swift-nio-ssl, swift-nio
Fetched https://github.com/apple/swift-argument-parser.git from cache (2.17s)
[78152/115416] Fetching swift-crypto, swift-nio-ssl, swift-nio
Fetched https://github.com/apple/swift-nio-ssl.git from cache (2.18s)
[64448/100056] Fetching swift-crypto, swift-nio
Fetched https://github.com/apple/swift-crypto.git from cache (2.20s)
[48030/82810] Fetching swift-nio
Fetched https://github.com/apple/swift-nio.git from cache (5.28s)
Computing version for https://github.com/swiftlang/swift-docc-plugin.git
Computed https://github.com/swiftlang/swift-docc-plugin.git at 1.4.6 (7.40s)
Fetching https://github.com/swiftlang/swift-docc-symbolkit
[1/3669] Fetching swift-docc-symbolkit
Fetched https://github.com/swiftlang/swift-docc-symbolkit from cache (0.38s)
Computing version for https://github.com/swiftlang/swift-docc-symbolkit
Computed https://github.com/swiftlang/swift-docc-symbolkit at 1.0.0 (0.83s)
Computing version for https://github.com/apple/swift-argument-parser.git
Computed https://github.com/apple/swift-argument-parser.git at 1.7.0 (0.37s)
Computing version for https://github.com/apple/swift-nio-ssl.git
Computed https://github.com/apple/swift-nio-ssl.git at 2.36.0 (0.40s)
Computing version for https://github.com/apple/swift-nio.git
Computed https://github.com/apple/swift-nio.git at 2.96.0 (0.75s)
Fetching https://github.com/apple/swift-atomics.git
Fetching https://github.com/apple/swift-collections.git
Fetching https://github.com/apple/swift-system.git
[1/1820] Fetching swift-atomics
[1021/24230] Fetching swift-atomics, swift-collections
[3614/29831] Fetching swift-atomics, swift-collections, swift-system
Fetched https://github.com/apple/swift-atomics.git from cache (0.43s)
Fetched https://github.com/apple/swift-system.git from cache (0.44s)
[2690/22410] Fetching swift-collections
Fetched https://github.com/apple/swift-collections.git from cache (1.23s)
Computing version for https://github.com/apple/swift-atomics.git
Computed https://github.com/apple/swift-atomics.git at 1.3.0 (1.56s)
Computing version for https://github.com/apple/swift-system.git
Computed https://github.com/apple/swift-system.git at 1.6.4 (0.40s)
Computing version for https://github.com/apple/swift-collections.git
Computed https://github.com/apple/swift-collections.git at 1.4.0 (0.54s)
Computing version for https://github.com/apple/swift-crypto.git
Computed https://github.com/apple/swift-crypto.git at 3.15.1 (0.97s)
Fetching https://github.com/apple/swift-asn1.git
[1/1769] Fetching swift-asn1
Fetched https://github.com/apple/swift-asn1.git from cache (0.25s)
Computing version for https://github.com/apple/swift-asn1.git
Computed https://github.com/apple/swift-asn1.git at 1.5.1 (2.31s)
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-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-argument-parser.git
Working copy of https://github.com/apple/swift-argument-parser.git resolved at 1.7.0
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/swiftlang/swift-docc-plugin.git
Working copy of https://github.com/swiftlang/swift-docc-plugin.git resolved at 1.4.6
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-crypto.git
Working copy of https://github.com/apple/swift-crypto.git resolved at 3.15.1
Creating working copy for https://github.com/swiftlang/swift-docc-symbolkit
Working copy of https://github.com/swiftlang/swift-docc-symbolkit resolved at 1.0.0
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
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
[1/1] Compiling plugin Swift-DocC Preview
[2/2] Compiling plugin Swift-DocC
[3/3] Compiling plugin GenerateManual
[4/4] Compiling plugin GenerateDoccReference
Building for debugging...
[4/454] Write sources
[11/454] Compiling sha1-armv8-apple.S
[12/454] Write sources
[13/454] Compiling sha1-armv4-large-linux.S
[13/454] Write sources
[15/454] Compiling sha1-x86_64-apple.S
[16/454] Compiling sha1-586-linux.S
[17/454] Write sources
[23/454] Compiling sha1-armv8-linux.S
[24/454] Compiling rsaz-avx2-linux.S
[25/454] Compiling sha1-586-apple.S
[26/454] Compiling CNIOWindows shim.c
[26/454] Compiling CNIOWindows WSAStartup.c
[28/454] Compiling CNIOWASI CNIOWASI.c
[29/454] Compiling CNIOOpenBSD shim.c
[30/454] Compiling CNIOPosix event_loop_id.c
[31/454] Compiling _AtomicsShims.c
[32/454] Compiling CNIOLinux shim.c
[33/454] Compiling CNIODarwin shim.c
[34/454] Compiling CNIOLinux liburing_shims.c
[35/454] Write swift-version-24593BA9C3E375BF.txt
[36/454] Compiling fiat_p256_adx_sqr.S
[37/454] Compiling fiat_p256_adx_mul.S
[38/454] Compiling fiat_curve25519_adx_mul.S
[39/454] Compiling fiat_curve25519_adx_square.S
[40/460] Compiling CNIOBoringSSLShims shims.c
error: emit-module command failed with exit code 1 (use -v to see invocation)
[42/460] 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)
[43/460] 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 |
[44/460] 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)
[44/460] Compiling tls13_enc.cc
[44/460] Compiling tls13_client.cc
[44/460] Compiling tls_record.cc
[44/460] Compiling tls_method.cc
[44/460] Compiling tls13_server.cc
BUILD FAILURE 6.2 wasm