Swift Package IndexBuild Information
Failed to build SwiftDocC, reference main (634a49), with Swift 6.3 for Wasm on 29 Apr 2026 20:30:40 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-6.3-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/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: 6.3
Building package at path: $PWD
https://github.com/swiftlang/swift-docc.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4606859-2":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/swiftpackageindex/spi-images:wasm-6.3-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
[1/7313] Fetching swift-markdown
Fetched https://github.com/swiftlang/swift-markdown.git from cache (1.00s)
Fetching https://github.com/swiftlang/swift-lmdb.git
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Fetched https://github.com/swiftlang/swift-lmdb.git from cache (1.91s)
Fetching https://github.com/swiftlang/swift-docc-symbolkit.git
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Fetched https://github.com/swiftlang/swift-docc-symbolkit.git from cache (0.75s)
Fetching https://github.com/swiftlang/swift-cmark.git
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Fetching https://github.com/apple/swift-argument-parser.git
Fetching https://github.com/swiftlang/swift-docc-plugin.git
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Fetched https://github.com/apple/swift-crypto.git from cache (4.86s)
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Fetched https://github.com/apple/swift-argument-parser.git from cache (12.38s)
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Fetched https://github.com/apple/swift-nio.git from cache (12.66s)
Computing version for https://github.com/swiftlang/swift-docc-plugin.git
Computed https://github.com/swiftlang/swift-docc-plugin.git at 1.5.0 (13.60s)
Computing version for https://github.com/apple/swift-nio.git
Computed https://github.com/apple/swift-nio.git at 2.99.0 (1.43s)
Fetching https://github.com/apple/swift-collections.git
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Fetched https://github.com/apple/swift-system.git from cache (0.98s)
Fetched https://github.com/apple/swift-atomics.git from cache (0.98s)
[1905/23810] Fetching swift-collections
Fetched https://github.com/apple/swift-collections.git from cache (3.31s)
Computing version for https://github.com/apple/swift-atomics.git
Computed https://github.com/apple/swift-atomics.git at 1.3.0 (4.13s)
Computing version for https://github.com/apple/swift-system.git
Computed https://github.com/apple/swift-system.git at 1.6.4 (0.90s)
Computing version for https://github.com/apple/swift-argument-parser.git
Computed https://github.com/apple/swift-argument-parser.git at 1.7.1 (0.88s)
Computing version for https://github.com/apple/swift-collections.git
Computed https://github.com/apple/swift-collections.git at 1.4.1 (1.30s)
Computing version for https://github.com/apple/swift-crypto.git
Computed https://github.com/apple/swift-crypto.git at 3.15.1 (1.16s)
Fetching https://github.com/apple/swift-asn1.git
[1/1803] Fetching swift-asn1
Fetched https://github.com/apple/swift-asn1.git from cache (0.54s)
Computing version for https://github.com/apple/swift-asn1.git
Computed https://github.com/apple/swift-asn1.git at 1.7.0 (1.50s)
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-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-lmdb.git
Working copy of https://github.com/swiftlang/swift-lmdb.git resolved at main (a4bc878)
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/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-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-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-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-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-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-markdown.git
Working copy of https://github.com/swiftlang/swift-markdown.git resolved at main (55d66d9)
[1/1] Compiling plugin Swift-DocC Preview
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[4/4] Compiling plugin GenerateDoccReference
Building for debugging...
[4/442] Write sources
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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.
[63/492] Compiling CLMDB mdb.c
[63/492] Compiling cmark-gfm utf8.c
[63/492] Compiling chacha20_poly1305_armv8-apple.S
[63/492] Compiling err_data.cc
[63/492] Compiling chacha-x86_64-linux.S
[63/492] Compiling CCryptoBoringSSLShims shims.c
[63/492] Compiling cmark-gfm scanners.c
BUILD FAILURE 6.3 wasm