Swift Package IndexBuild Information
Failed to build SwiftDocC, reference main (a6990a), with Swift 6.3 for Wasm on 18 Apr 2026 22:45:40 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/swiftpackageindex/spi-images:wasm-6.3-latest swift build --swift-sdk swift-6.3-RELEASE_wasm 2>&1Build Log
========================================
RunAll
========================================
Builder version: 4.70.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/DePasqualeOrg/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/DePasqualeOrg/swift-docc
* branch main -> FETCH_HEAD
* [new branch] main -> origin/main
HEAD is now at a6990a1 Refine warning about multiple Topics sections (#1445)
Cloned https://github.com/DePasqualeOrg/swift-docc.git
Revision (git rev-parse @):
a6990a1750f78cad18ac14a4e8dc6a5039408717
SPI manifest file found: $PWD/.spi.yml
SUCCESS checkout https://github.com/DePasqualeOrg/swift-docc.git at main
========================================
Build
========================================
Selected platform: wasm
Swift version: 6.3
Building package at path: $PWD
https://github.com/DePasqualeOrg/swift-docc.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4606859-0":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/swiftpackageindex/spi-images:wasm-6.3-latest swift build --swift-sdk swift-6.3-RELEASE_wasm 2>&1
wasm-6.3-latest: Pulling from swiftpackageindex/spi-images
Digest: sha256:d69f4e7582c319245442d62a08b2d7c7fd5a0c0c69f5d2ef11d1530cd8d3329b
Status: Image is up to date for registry.gitlab.com/swiftpackageindex/spi-images:wasm-6.3-latest
Fetching https://github.com/swiftlang/swift-markdown.git
[1/7306] Fetching swift-markdown
Fetched https://github.com/swiftlang/swift-markdown.git from cache (0.56s)
Fetching https://github.com/swiftlang/swift-lmdb.git
[1/10375] Fetching swift-lmdb
Fetched https://github.com/swiftlang/swift-lmdb.git from cache (1.87s)
Fetching https://github.com/swiftlang/swift-docc-symbolkit.git
[1/3672] Fetching swift-docc-symbolkit
Fetched https://github.com/swiftlang/swift-docc-symbolkit.git from cache (0.61s)
Fetching https://github.com/swiftlang/swift-cmark.git
[1/18374] Fetching swift-cmark
Fetched https://github.com/swiftlang/swift-cmark.git from cache (2.21s)
Fetching https://github.com/swiftlang/swift-docc-plugin.git
Fetching https://github.com/apple/swift-crypto.git
Fetching https://github.com/apple/swift-argument-parser.git
Fetching https://github.com/apple/swift-nio.git
[1/2277] Fetching swift-docc-plugin
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[7537/37222] Fetching swift-docc-plugin, swift-argument-parser, swift-crypto
[20852/120394] Fetching swift-docc-plugin, swift-argument-parser, swift-crypto, swift-nio
Fetched https://github.com/apple/swift-argument-parser.git from cache (2.28s)
[56289/102865] Fetching swift-docc-plugin, swift-crypto, swift-nio
Fetched https://github.com/swiftlang/swift-docc-plugin.git from cache (3.00s)
Fetched https://github.com/apple/swift-crypto.git from cache (3.05s)
[54062/83172] Fetching swift-nio
Fetched https://github.com/apple/swift-nio.git from cache (6.56s)
Computing version for https://github.com/swiftlang/swift-docc-plugin.git
Computed https://github.com/swiftlang/swift-docc-plugin.git at 1.4.6 (7.05s)
Computing version for https://github.com/apple/swift-nio.git
Computed https://github.com/apple/swift-nio.git at 2.98.0 (0.70s)
Fetching https://github.com/apple/swift-system.git
Fetching https://github.com/apple/swift-collections.git
Fetching https://github.com/apple/swift-atomics.git
[1/1820] Fetching swift-atomics
[602/25389] Fetching swift-atomics, swift-collections
[2200/30990] Fetching swift-atomics, swift-collections, swift-system
Fetched https://github.com/apple/swift-atomics.git from cache (0.45s)
[7487/29170] Fetching swift-collections, swift-system
Fetched https://github.com/apple/swift-system.git from cache (1.48s)
Fetched https://github.com/apple/swift-collections.git from cache (1.51s)
Computing version for https://github.com/apple/swift-atomics.git
Computed https://github.com/apple/swift-atomics.git at 1.3.0 (1.94s)
Computing version for https://github.com/apple/swift-system.git
Computed https://github.com/apple/swift-system.git at 1.6.4 (0.48s)
Computing version for https://github.com/apple/swift-argument-parser.git
Computed https://github.com/apple/swift-argument-parser.git at 1.7.1 (0.64s)
Computing version for https://github.com/apple/swift-collections.git
Computed https://github.com/apple/swift-collections.git at 1.4.1 (0.67s)
Computing version for https://github.com/apple/swift-crypto.git
Computed https://github.com/apple/swift-crypto.git at 3.15.1 (0.56s)
Fetching https://github.com/apple/swift-asn1.git
[1/1803] Fetching swift-asn1
Fetched https://github.com/apple/swift-asn1.git from cache (0.29s)
Computing version for https://github.com/apple/swift-asn1.git
Computed https://github.com/apple/swift-asn1.git at 1.7.0 (0.82s)
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/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/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-asn1.git
Working copy of https://github.com/apple/swift-asn1.git resolved at 1.7.0
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-nio.git
Working copy of https://github.com/apple/swift-nio.git resolved at 2.98.0
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-collections.git
Working copy of https://github.com/apple/swift-collections.git resolved at 1.4.1
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/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-cmark.git
Working copy of https://github.com/swiftlang/swift-cmark.git resolved at gfm (924936d)
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
[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
[11/442] Compiling cmark-gfm-extensions core-extensions.c
[12/442] Write swift-version-24593BA9C3E375BF.txt
[13/442] Compiling cmark-gfm-extensions tagfilter.c
[14/442] Compiling cmark-gfm-extensions tasklist.c
[15/442] Compiling cmark-gfm xml.c
[16/442] Compiling cmark-gfm-extensions strikethrough.c
[17/442] Compiling cmark-gfm-extensions autolink.c
[18/442] Compiling cmark-gfm-extensions ext_scanners.c
[19/442] Compiling cmark-gfm syntax_extension.c
[20/442] Compiling cmark-gfm plugin.c
[21/442] Compiling cmark-gfm-extensions table.c
[22/442] Compiling cmark-gfm render.c
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[26/492] Compiling cmark-gfm latex.c
[27/492] Compiling cmark-gfm iterator.c
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[29/492] Compiling cmark-gfm map.c
[30/492] Compiling cmark-gfm man.c
[31/492] Compiling cmark-gfm houdini_html_e.c
[32/492] Compiling cmark-gfm node.c
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[35/492] Compiling cmark-gfm footnotes.c
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[37/492] Compiling cmark-gfm buffer.c
[38/492] Compiling cmark-gfm cmark.c
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[40/492] Write sources
[46/492] Compiling cmark-gfm arena.c
[47/492] Compiling cmark-gfm commonmark.c
[48/492] Compiling cmark-gfm inlines.c
[49/492] Compiling CLMDB midl.c
[50/492] Compiling cmark-gfm blocks.c
[51/492] Compiling fiat_p256_adx_sqr.S
[52/492] Compiling fiat_p256_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-6.3-RELEASE_wasm.artifactbundle/swift-6.3-RELEASE_wasm/wasm32-unknown-wasip1/WASI.sdk/include/wasm32-wasip1/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, \
| ^
In file included from /host/spi-builder-workspace/.build/checkouts/swift-lmdb/Sources/CLMDB/mdb.c:177:
/root/.swiftpm/swift-sdks/swift-6.3-RELEASE_wasm.artifactbundle/swift-6.3-RELEASE_wasm/wasm32-unknown-wasip1/WASI.sdk/include/wasm32-wasip1/signal.h:2:2: error: "wasm lacks signal support; to enable minimal signal emulation, compile with -D_WASI_EMULATED_SIGNAL and link with -lwasi-emulated-signal"
2 | #error "wasm lacks signal support; to enable minimal signal emulation, \
| ^
/host/spi-builder-workspace/.build/checkouts/swift-lmdb/Sources/CLMDB/mdb.c:2855:8: error: call to undeclared function 'msync'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
2855 | if (MDB_MSYNC(env->me_map, env->me_psize * numpgs, flags))
| ^
/host/spi-builder-workspace/.build/checkouts/swift-lmdb/Sources/CLMDB/mdb.c:544:36: note: expanded from macro 'MDB_MSYNC'
544 | # define MDB_MSYNC(addr,len,flags) msync(addr,len,flags)
| ^
/host/spi-builder-workspace/.build/checkouts/swift-lmdb/Sources/CLMDB/mdb.c:2855:8: note: did you mean 'fsync'?
/host/spi-builder-workspace/.build/checkouts/swift-lmdb/Sources/CLMDB/mdb.c:544:36: note: expanded from macro 'MDB_MSYNC'
544 | # define MDB_MSYNC(addr,len,flags) msync(addr,len,flags)
| ^
/root/.swiftpm/swift-sdks/swift-6.3-RELEASE_wasm.artifactbundle/swift-6.3-RELEASE_wasm/wasm32-unknown-wasip1/WASI.sdk/include/wasm32-wasip1/unistd.h:88:5: note: 'fsync' declared here
88 | int fsync(int);
| ^
/host/spi-builder-workspace/.build/checkouts/swift-lmdb/Sources/CLMDB/mdb.c:2967:11: error: use of undeclared identifier 'F_SETLK'
2967 | Pidset = F_SETLK, Pidcheck = F_GETLK
| ^~~~~~~
/host/spi-builder-workspace/.build/checkouts/swift-lmdb/Sources/CLMDB/mdb.c:2967:31: error: use of undeclared identifier 'F_GETLK'
2967 | Pidset = F_SETLK, Pidcheck = F_GETLK
| ^~~~~~~
/host/spi-builder-workspace/.build/checkouts/swift-lmdb/Sources/CLMDB/mdb.c:3000:22: error: use of undeclared identifier 'F_WRLCK'
3000 | lock_info.l_type = F_WRLCK;
| ^~~~~~~
/host/spi-builder-workspace/.build/checkouts/swift-lmdb/Sources/CLMDB/mdb.c:3005:14: error: use of undeclared identifier 'F_GETLK'
3005 | if (op == F_GETLK && lock_info.l_type != F_UNLCK)
| ^~~~~~~
/host/spi-builder-workspace/.build/checkouts/swift-lmdb/Sources/CLMDB/mdb.c:3005:45: error: use of undeclared identifier 'F_UNLCK'
3005 | if (op == F_GETLK && lock_info.l_type != F_UNLCK)
| ^~~~~~~
/host/spi-builder-workspace/.build/checkouts/swift-lmdb/Sources/CLMDB/mdb.c:4345:8: error: call to undeclared function 'msync'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
4345 | if (MDB_MSYNC(ptr, meta_size, rc)) {
| ^
/host/spi-builder-workspace/.build/checkouts/swift-lmdb/Sources/CLMDB/mdb.c:544:36: note: expanded from macro 'MDB_MSYNC'
544 | # define MDB_MSYNC(addr,len,flags) msync(addr,len,flags)
| ^
/host/spi-builder-workspace/.build/checkouts/swift-lmdb/Sources/CLMDB/mdb.c:4532:19: error: use of undeclared identifier 'MAP_SHARED'
4532 | int mmap_flags = MAP_SHARED;
| ^~~~~~~~~~
/host/spi-builder-workspace/.build/checkouts/swift-lmdb/Sources/CLMDB/mdb.c:4533:13: error: use of undeclared identifier 'PROT_READ'
4533 | int prot = PROT_READ;
| ^~~~~~~~~
/host/spi-builder-workspace/.build/checkouts/swift-lmdb/Sources/CLMDB/mdb.c:4548:11: error: use of undeclared identifier 'PROT_WRITE'
4548 | prot |= PROT_WRITE;
| ^~~~~~~~~~
/host/spi-builder-workspace/.build/checkouts/swift-lmdb/Sources/CLMDB/mdb.c:4552:16: error: call to undeclared function 'mmap'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
4552 | env->me_map = mmap(addr, env->me_mapsize, prot, mmap_flags,
| ^
/host/spi-builder-workspace/.build/checkouts/swift-lmdb/Sources/CLMDB/mdb.c:4552:14: error: incompatible integer to pointer conversion assigning to 'char *' from 'int' [-Wint-conversion]
4552 | env->me_map = mmap(addr, env->me_mapsize, prot, mmap_flags,
| ^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
4553 | env->me_fd, 0);
| ~~~~~~~~~~~~~~
/host/spi-builder-workspace/.build/checkouts/swift-lmdb/Sources/CLMDB/mdb.c:4554:21: error: use of undeclared identifier 'MAP_FAILED'
4554 | if (env->me_map == MAP_FAILED) {
| ^~~~~~~~~~
/host/spi-builder-workspace/.build/checkouts/swift-lmdb/Sources/CLMDB/mdb.c:4614:3: error: call to undeclared function 'munmap'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
4614 | munmap(env->me_map, env->me_mapsize);
| ^
/host/spi-builder-workspace/.build/checkouts/swift-lmdb/Sources/CLMDB/mdb.c:5149:22: error: use of undeclared identifier 'F_RDLCK'
5149 | lock_info.l_type = F_RDLCK;
| ^~~~~~~
/host/spi-builder-workspace/.build/checkouts/swift-lmdb/Sources/CLMDB/mdb.c:5153:35: error: use of undeclared identifier 'F_SETLK'
5153 | while ((rc = fcntl(env->me_lfd, F_SETLK, &lock_info)) &&
| ^~~~~~~
/host/spi-builder-workspace/.build/checkouts/swift-lmdb/Sources/CLMDB/mdb.c:5184:21: error: use of undeclared identifier 'F_WRLCK'
5184 | lock_info.l_type = F_WRLCK;
| ^~~~~~~
fatal error: too many errors emitted, stopping now [-ferror-limit=]
20 errors generated.
[53/492] Compiling CLMDB mdb.c
[53/492] Compiling md5-x86_64-linux.S
[53/492] Compiling fiat_curve25519_adx_mul.S
[53/492] Compiling CCryptoBoringSSLShims shims.c
[53/492] Compiling cmark-gfm utf8.c
[53/492] Compiling fiat_curve25519_adx_square.S
[53/492] Compiling cmark-gfm scanners.c
BUILD FAILURE 6.3 wasm