Swift Package IndexBuild Information
Failed to build SwiftDocC, reference main (634a49), with Swift 6.1 for Wasm on 29 Apr 2026 20:34:23 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/swiftpackageindex/spi-images:wasm-6.1-latest swift build --swift-sdk wasm32-unknown-wasi 2>&1Build Log
========================================
RunAll
========================================
Builder version: 4.70.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/swiftlang/swift-docc.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/swiftlang/swift-docc
* branch main -> FETCH_HEAD
* [new branch] main -> origin/main
HEAD is now at 634a49e Remove unused topic graph analysis configuration (#1511)
Cloned https://github.com/swiftlang/swift-docc.git
Revision (git rev-parse @):
634a49e7687993777001068e5cd8bf93f47c8d22
SPI manifest file found: $PWD/.spi.yml
SUCCESS checkout https://github.com/swiftlang/swift-docc.git at main
========================================
Build
========================================
Selected platform: wasm
Swift version: 6.1
Building package at path: $PWD
https://github.com/swiftlang/swift-docc.git
https://github.com/swiftlang/swift-docc.git
WARNING: environment variable SUPPRESS_SWIFT_6_FLAGS is not set
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4606859-2":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/swiftpackageindex/spi-images:wasm-6.1-latest swift build --swift-sdk wasm32-unknown-wasi -Xswiftc -Xfrontend -Xswiftc -stats-output-dir -Xswiftc -Xfrontend -Xswiftc .stats -Xswiftc -strict-concurrency=complete -Xswiftc -enable-upcoming-feature -Xswiftc StrictConcurrency -Xswiftc -enable-upcoming-feature -Xswiftc DisableOutwardActorInference -Xswiftc -enable-upcoming-feature -Xswiftc GlobalActorIsolatedTypesUsability -Xswiftc -enable-upcoming-feature -Xswiftc InferSendableFromCaptures 2>&1
wasm-6.1-latest: Pulling from swiftpackageindex/spi-images
Digest: sha256:276d66a16377d3ee059b2e3429cbc1154d9f01e42871e5d702fd5d8b9044d93d
Status: Image is up to date for registry.gitlab.com/swiftpackageindex/spi-images:wasm-6.1-latest
Fetching https://github.com/swiftlang/swift-markdown.git
[1/7313] Fetching swift-markdown
Fetched https://github.com/swiftlang/swift-markdown.git from cache (0.99s)
Fetching https://github.com/swiftlang/swift-lmdb.git
[1/10382] Fetching swift-lmdb
Fetched https://github.com/swiftlang/swift-lmdb.git from cache (2.34s)
Fetching https://github.com/swiftlang/swift-docc-symbolkit.git
[1/3679] Fetching swift-docc-symbolkit
Fetched https://github.com/swiftlang/swift-docc-symbolkit.git from cache (0.83s)
Fetching https://github.com/swiftlang/swift-cmark.git
[1/18407] Fetching swift-cmark
Fetched https://github.com/swiftlang/swift-cmark.git from cache (2.07s)
Fetching https://github.com/apple/swift-crypto.git
Fetching https://github.com/swiftlang/swift-docc-plugin.git
Fetching https://github.com/apple/swift-nio.git
Fetching https://github.com/apple/swift-argument-parser.git
[1/2287] Fetching swift-docc-plugin
[230/19773] Fetching swift-docc-plugin, swift-argument-parser
[930/37230] Fetching swift-docc-plugin, swift-argument-parser, swift-crypto
[7184/120441] Fetching swift-docc-plugin, swift-argument-parser, swift-crypto, swift-nio
Fetched https://github.com/apple/swift-argument-parser.git from cache (2.46s)
[18837/102955] Fetching swift-docc-plugin, swift-crypto, swift-nio
Fetched https://github.com/swiftlang/swift-docc-plugin.git from cache (14.13s)
Fetched https://github.com/apple/swift-crypto.git from cache (14.24s)
Fetched https://github.com/apple/swift-nio.git from cache (14.42s)
Computing version for https://github.com/swiftlang/swift-docc-plugin.git
Computed https://github.com/swiftlang/swift-docc-plugin.git at 1.5.0 (15.78s)
Computing version for https://github.com/apple/swift-nio.git
Computed https://github.com/apple/swift-nio.git at 2.99.0 (2.81s)
Fetching https://github.com/apple/swift-atomics.git
Fetching https://github.com/apple/swift-system.git
Fetching https://github.com/apple/swift-collections.git
[1/5601] Fetching swift-system
[282/29411] Fetching swift-system, swift-collections
[577/31231] Fetching swift-system, swift-collections, swift-atomics
Fetched https://github.com/apple/swift-atomics.git from cache (1.16s)
Fetched https://github.com/apple/swift-system.git from cache (1.16s)
[1905/23810] Fetching swift-collections
Fetched https://github.com/apple/swift-collections.git from cache (3.08s)
Computing version for https://github.com/apple/swift-atomics.git
Computed https://github.com/apple/swift-atomics.git at 1.3.0 (4.32s)
Computing version for https://github.com/apple/swift-system.git
Computed https://github.com/apple/swift-system.git at 1.6.4 (1.28s)
Computing version for https://github.com/apple/swift-argument-parser.git
Computed https://github.com/apple/swift-argument-parser.git at 1.7.1 (1.21s)
Computing version for https://github.com/apple/swift-collections.git
Computed https://github.com/apple/swift-collections.git at 1.4.1 (1.64s)
Computing version for https://github.com/apple/swift-crypto.git
Computed https://github.com/apple/swift-crypto.git at 3.15.1 (4.21s)
Fetching https://github.com/apple/swift-asn1.git
[1/1803] Fetching swift-asn1
Fetched https://github.com/apple/swift-asn1.git from cache (0.60s)
Computing version for https://github.com/apple/swift-asn1.git
Computed https://github.com/apple/swift-asn1.git at 1.7.0 (1.94s)
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 1.7.1
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/apple/swift-nio.git
Working copy of https://github.com/apple/swift-nio.git resolved at 2.99.0
Creating working copy for https://github.com/apple/swift-system.git
Working copy of https://github.com/apple/swift-system.git resolved at 1.6.4
Creating working copy for https://github.com/apple/swift-asn1.git
Working copy of https://github.com/apple/swift-asn1.git resolved at 1.7.0
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 1.5.0
Creating working copy for https://github.com/swiftlang/swift-markdown.git
Working copy of https://github.com/swiftlang/swift-markdown.git resolved at main (55d66d9)
Creating working copy for https://github.com/swiftlang/swift-docc-symbolkit.git
Working copy of https://github.com/swiftlang/swift-docc-symbolkit.git resolved at main (4c4ff01)
Creating working copy for https://github.com/apple/swift-collections.git
Working copy of https://github.com/apple/swift-collections.git resolved at 1.4.1
Creating working copy for https://github.com/swiftlang/swift-cmark.git
Working copy of https://github.com/swiftlang/swift-cmark.git resolved at gfm (924936d)
Creating working copy for https://github.com/swiftlang/swift-lmdb.git
Working copy of https://github.com/swiftlang/swift-lmdb.git resolved at main (a4bc878)
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
[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...
[4/442] Write sources
[16/442] Compiling CLMDB midl.c
[17/442] Compiling cmark-gfm-extensions tasklist.c
[18/442] Compiling cmark-gfm-extensions tagfilter.c
[19/442] Compiling cmark-gfm-extensions strikethrough.c
[20/442] Compiling cmark-gfm-extensions ext_scanners.c
[21/442] Compiling cmark-gfm-extensions table.c
[22/442] Compiling cmark-gfm-extensions core-extensions.c
[23/442] Compiling cmark-gfm xml.c
[24/442] Compiling cmark-gfm syntax_extension.c
[25/442] Compiling cmark-gfm-extensions autolink.c
[26/442] Compiling cmark-gfm registry.c
In file included from /host/spi-builder-workspace/.build/checkouts/swift-lmdb/Sources/CLMDB/mdb.c:107:
/root/.swiftpm/swift-sdks/swift-wasm-6.1-RELEASE-wasm32-unknown-wasi.artifactbundle/6.1-RELEASE-wasm32-unknown-wasi/wasm32-unknown-wasi/WASI.sdk/include/wasm32-wasi/sys/mman.h:2:2: error: "WASI lacks a true mmap; to enable minimal mmap emulation, compile with -D_WASI_EMULATED_MMAN and link with -lwasi-emulated-mman"
2 | #error "WASI lacks a true mmap; to enable minimal mmap emulation, \
| ^
/host/spi-builder-workspace/.build/checkouts/swift-lmdb/Sources/CLMDB/mdb.c:176:10: fatal error: 'pthread.h' file not found
176 | #include <pthread.h>
| ^~~~~~~~~~~
2 errors generated.
[27/442] Compiling CLMDB mdb.c
[27/442] Compiling cmark-gfm scanners.c
[27/442] Compiling cmark-gfm references.c
[27/442] Compiling cmark-gfm render.c
[27/442] Compiling cmark-gfm plugin.c
[27/442] Compiling v3_akeya.cc
[27/442] Compiling cmark-gfm utf8.c
[27/442] Write swift-version-24593BA9C3E375BF.txt
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/swiftpackageindex/spi-images:wasm-6.1-latest swift build --swift-sdk wasm32-unknown-wasi 2>&1
wasm-6.1-latest: Pulling from swiftpackageindex/spi-images
Digest: sha256:276d66a16377d3ee059b2e3429cbc1154d9f01e42871e5d702fd5d8b9044d93d
Status: Image is up to date for registry.gitlab.com/swiftpackageindex/spi-images:wasm-6.1-latest
[0/1] Planning build
[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...
[4/419] Write sources
[6/419] Compiling cmark-gfm plugin.c
[7/419] Compiling cmark-gfm references.c
[8/419] Compiling cmark-gfm render.c
[9/419] Compiling cmark-gfm map.c
[10/419] Compiling cmark-gfm plaintext.c
[11/419] Compiling cmark-gfm linked_list.c
[12/419] Compiling cmark-gfm man.c
[13/419] Compiling cmark-gfm node.c
[14/419] Compiling cmark-gfm iterator.c
[15/419] Compiling cmark-gfm latex.c
[16/419] Compiling cmark-gfm houdini_html_e.c
[17/419] Compiling cmark-gfm houdini_href_e.c
[18/419] Compiling cmark-gfm html.c
[19/419] Compiling cmark-gfm cmark_ctype.c
[20/419] Compiling cmark-gfm footnotes.c
[21/419] Compiling cmark-gfm houdini_html_u.c
[22/419] Write swift-version-24593BA9C3E375BF.txt
[23/419] Compiling cmark-gfm cmark.c
[24/419] Compiling cmark-gfm commonmark.c
[25/419] Compiling cmark-gfm inlines.c
[26/419] Compiling cmark-gfm buffer.c
[27/419] Compiling cmark-gfm arena.c
[28/419] Compiling fiat_p256_adx_sqr.S
[29/419] Compiling cmark-gfm blocks.c
[30/419] Compiling fiat_p256_adx_mul.S
[31/454] Compiling fiat_curve25519_adx_square.S
[32/454] Compiling fiat_curve25519_adx_mul.S
In file included from /host/spi-builder-workspace/.build/checkouts/swift-lmdb/Sources/CLMDB/mdb.c:107:
/root/.swiftpm/swift-sdks/swift-wasm-6.1-RELEASE-wasm32-unknown-wasi.artifactbundle/6.1-RELEASE-wasm32-unknown-wasi/wasm32-unknown-wasi/WASI.sdk/include/wasm32-wasi/sys/mman.h:2:2: error: "WASI lacks a true mmap; to enable minimal mmap emulation, compile with -D_WASI_EMULATED_MMAN and link with -lwasi-emulated-mman"
2 | #error "WASI lacks a true mmap; to enable minimal mmap emulation, \
| ^
/host/spi-builder-workspace/.build/checkouts/swift-lmdb/Sources/CLMDB/mdb.c:176:10: fatal error: 'pthread.h' file not found
176 | #include <pthread.h>
| ^~~~~~~~~~~
2 errors generated.
[33/471] Compiling CLMDB mdb.c
[33/471] Compiling cmark-gfm utf8.c
[33/471] Compiling md5-x86_64-linux.S
[33/471] Compiling md5-x86_64-apple.S
[33/471] Compiling cmark-gfm scanners.c
[33/471] Compiling CCryptoBoringSSLShims shims.c
BUILD FAILURE 6.1 wasm