Build Information
Failed to build swift-ast-explorer, reference master (937d74), with Swift 6.1 for Wasm on 21 Oct 2026 09:15:03 UTC.
Build Command
bash -c docker run --pull=always --rm -v "checkouts-53886770-1":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/saguaro1/spi-images:wasm-6.1-latest swift build --swift-sdk wasm32-unknown-wasi 2>&1Build Log
========================================
RunAll
========================================
Builder version: 5.1.3
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/swiftfiddle/swift-ast-explorer.git
Reference: master
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/swiftfiddle/swift-ast-explorer
* branch master -> FETCH_HEAD
* [new branch] master -> origin/master
HEAD is now at 937d747 Update dependency sass to v1.106.0 (#2136)
Cloned https://github.com/swiftfiddle/swift-ast-explorer.git
Revision (git rev-parse @):
937d74711897b0582933c49c4fc97a13812ed7d1
SUCCESS checkout https://github.com/swiftfiddle/swift-ast-explorer.git at master
========================================
Build
========================================
Selected platform: wasm
Swift version: 6.1
Building package at path: $PWD
https://github.com/swiftfiddle/swift-ast-explorer.git
https://github.com/swiftfiddle/swift-ast-explorer.git
WARNING: environment variable SUPPRESS_SWIFT_6_FLAGS is not set
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-53886770-1":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/saguaro1/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 saguaro1/spi-images
Digest: sha256:8209621f35c5a12749e7df75bbcb99eccb508d0196da99f6ac3bcf5f4827df31
Status: Image is up to date for registry.gitlab.com/saguaro1/spi-images:wasm-6.1-latest
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Building for debugging...
[0/932] Write sources
[1/932] Compiling _NumericsShims _NumericsShims.c
[2/932] Write sources
[8/932] Compiling _CWASI _CWASI.c
[9/932] Compiling _AtomicsShims.c
[10/932] Write sources
[14/932] Compiling TSCclibc strerror.c
In file included from /host/spi-builder-workspace/.build/checkouts/swift-tools-support-core/Sources/TSCclibc/process.c:15:
/host/spi-builder-workspace/.build/checkouts/swift-tools-support-core/Sources/TSCclibc/include/process.h:3:10: fatal error: 'spawn.h' file not found
3 | #include <spawn.h>
| ^~~~~~~~~
1 error generated.
[15/932] Compiling TSCclibc process.c
[15/932] Compiling a_bitstr.cc
[15/932] Compiling v3_enum.cc
[15/932] Compiling a_dup.cc
[15/932] Compiling a_gentm.cc
[15/932] Compiling a_d2i_fp.cc
[15/932] Compiling a_bool.cc
[15/932] Write swift-version-24593BA9C3E375BF.txt
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-53886770-1":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/saguaro1/spi-images:wasm-6.1-latest swift build --swift-sdk wasm32-unknown-wasi 2>&1
wasm-6.1-latest: Pulling from saguaro1/spi-images
Digest: sha256:8209621f35c5a12749e7df75bbcb99eccb508d0196da99f6ac3bcf5f4827df31
Status: Image is up to date for registry.gitlab.com/saguaro1/spi-images:wasm-6.1-latest
[0/1] Planning build
Building for debugging...
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[73/917] Write swift-version-24593BA9C3E375BF.txt
In file included from /host/spi-builder-workspace/.build/checkouts/swift-tools-support-core/Sources/TSCclibc/process.c:15:
/host/spi-builder-workspace/.build/checkouts/swift-tools-support-core/Sources/TSCclibc/include/process.h:3:10: fatal error: 'spawn.h' file not found
3 | #include <spawn.h>
| ^~~~~~~~~
1 error generated.
[74/917] Compiling TSCclibc process.c
[74/917] Compiling fiat_p256_adx_mul.S
[74/917] Compiling fiat_p256_adx_sqr.S
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[74/917] Compiling KeccakP-1600-opt64.c
[74/917] Compiling fiat_curve25519_adx_mul.S
[74/917] Compiling CNIOLLHTTP c_nio_llhttp.c
BUILD FAILURE 6.1 wasm