Swift Package IndexBuild Information
Failed to build Neuron, reference 2.2.3 (ca3695), with Swift 6.3 for Wasm on 19 Apr 2026 05:15:10 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-6.3-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/wvabrinskas/Neuron.git
Reference: 2.2.3
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/wvabrinskas/Neuron
* tag 2.2.3 -> FETCH_HEAD
HEAD is now at ca3695f Major framework upgrade: TensorStorage, pointer-based arithmetic, batching, and new layers (#159)
Cloned https://github.com/wvabrinskas/Neuron.git
Revision (git rev-parse @):
ca3695f82f562e420fde957bf913ed44cd1c6e47
SUCCESS checkout https://github.com/wvabrinskas/Neuron.git at 2.2.3
========================================
Build
========================================
Selected platform: wasm
Swift version: 6.3
Building package at path: $PWD
https://github.com/wvabrinskas/Neuron.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4609320-0":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/swiftpackageindex/spi-images:wasm-6.3-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/apple/swift-docc-plugin
[1/2277] Fetching swift-docc-plugin
Fetched https://github.com/apple/swift-docc-plugin from cache (0.66s)
Fetching https://github.com/wvabrinskas/NumSwift.git
Fetching https://github.com/apple/swift-atomics.git
Fetching https://github.com/wvabrinskas/Logger.git
Fetching https://github.com/swiftlang/swift-docc-symbolkit
Fetching https://github.com/apple/swift-numerics
[1/107] Fetching logger
[108/1765] Fetching logger, numswift
[523/5437] Fetching logger, numswift, swift-docc-symbolkit
[1208/7257] Fetching logger, numswift, swift-docc-symbolkit, swift-atomics
[3469/13673] Fetching logger, numswift, swift-docc-symbolkit, swift-atomics, swift-numerics
Fetched https://github.com/swiftlang/swift-docc-symbolkit from cache (0.88s)
Fetched https://github.com/apple/swift-atomics.git from cache (0.97s)
Fetched https://github.com/wvabrinskas/NumSwift.git from cache (0.97s)
Fetched https://github.com/wvabrinskas/Logger.git from cache (1.06s)
Fetched https://github.com/apple/swift-numerics from cache (1.05s)
Computing version for https://github.com/swiftlang/swift-docc-symbolkit
Computed https://github.com/swiftlang/swift-docc-symbolkit at 1.0.0 (2.06s)
Computing version for https://github.com/wvabrinskas/NumSwift.git
Computed https://github.com/wvabrinskas/NumSwift.git at 2.0.24 (0.72s)
Computing version for https://github.com/apple/swift-atomics.git
Computed https://github.com/apple/swift-atomics.git at 1.3.0 (0.61s)
Computing version for https://github.com/wvabrinskas/Logger.git
Computed https://github.com/wvabrinskas/Logger.git at 1.0.7 (0.63s)
Computing version for https://github.com/apple/swift-numerics
Computed https://github.com/apple/swift-numerics at 1.1.1 (0.47s)
Creating working copy for https://github.com/wvabrinskas/NumSwift.git
Working copy of https://github.com/wvabrinskas/NumSwift.git resolved at 2.0.24
Creating working copy for https://github.com/apple/swift-numerics
Working copy of https://github.com/apple/swift-numerics resolved at 1.1.1
Creating working copy for https://github.com/apple/swift-docc-plugin
Working copy of https://github.com/apple/swift-docc-plugin resolved at main (e977f65)
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-atomics.git
Working copy of https://github.com/apple/swift-atomics.git resolved at 1.3.0
Creating working copy for https://github.com/wvabrinskas/Logger.git
Working copy of https://github.com/wvabrinskas/Logger.git resolved at 1.0.7
[1/1] Compiling plugin Swift-DocC Preview
[2/2] Compiling plugin Swift-DocC
Building for debugging...
[2/16] Write sources
[2/16] Copying print-example.png
[2/16] Copying GPU.metal
[2/16] Write sources
[11/16] Compiling _NumericsShims _NumericsShims.c
[12/16] Compiling _AtomicsShims.c
In file included from /host/spi-builder-workspace/.build/checkouts/NumSwift/Sources/NumSwiftC/numswiftc_base.c:1:
/host/spi-builder-workspace/.build/checkouts/NumSwift/Sources/NumSwiftC/include/numswiftc_base.h:30:3: error: _Float16 is not supported on this target
30 | _Float16 value;
| ^
/host/spi-builder-workspace/.build/checkouts/NumSwift/Sources/NumSwiftC/include/numswiftc_base.h:40:48: error: _Float16 is not supported on this target
40 | extern NSC_IndexedValue nsc_index_of_min(const _Float16 array[], int size);
| ^
/host/spi-builder-workspace/.build/checkouts/NumSwift/Sources/NumSwiftC/include/numswiftc_base.h:41:48: error: _Float16 is not supported on this target
41 | extern NSC_IndexedValue nsc_index_of_max(const _Float16 array[], int size);
| ^
/host/spi-builder-workspace/.build/checkouts/NumSwift/Sources/NumSwiftC/include/numswiftc_base.h:42:31: error: _Float16 is not supported on this target
42 | extern _Float16 nsc_max(const _Float16 array[], int size);
| ^
/host/spi-builder-workspace/.build/checkouts/NumSwift/Sources/NumSwiftC/include/numswiftc_base.h:42:8: error: _Float16 is not supported on this target
42 | extern _Float16 nsc_max(const _Float16 array[], int size);
| ^
/host/spi-builder-workspace/.build/checkouts/NumSwift/Sources/NumSwiftC/include/numswiftc_base.h:43:31: error: _Float16 is not supported on this target
43 | extern _Float16 nsc_min(const _Float16 array[], int size);
| ^
/host/spi-builder-workspace/.build/checkouts/NumSwift/Sources/NumSwiftC/include/numswiftc_base.h:43:8: error: _Float16 is not supported on this target
43 | extern _Float16 nsc_min(const _Float16 array[], int size);
| ^
/host/spi-builder-workspace/.build/checkouts/NumSwift/Sources/NumSwiftC/include/numswiftc_base.h:44:32: error: _Float16 is not supported on this target
44 | extern _Float16 nsc_mean(const _Float16 array[], int size);
| ^
/host/spi-builder-workspace/.build/checkouts/NumSwift/Sources/NumSwiftC/include/numswiftc_base.h:44:8: error: _Float16 is not supported on this target
44 | extern _Float16 nsc_mean(const _Float16 array[], int size);
| ^
/host/spi-builder-workspace/.build/checkouts/NumSwift/Sources/NumSwiftC/include/numswiftc_base.h:45:31: error: _Float16 is not supported on this target
45 | extern _Float16 nsc_sum(const _Float16 array[], int size);
| ^
/host/spi-builder-workspace/.build/checkouts/NumSwift/Sources/NumSwiftC/include/numswiftc_base.h:45:8: error: _Float16 is not supported on this target
45 | extern _Float16 nsc_sum(const _Float16 array[], int size);
| ^
/host/spi-builder-workspace/.build/checkouts/NumSwift/Sources/NumSwiftC/include/numswiftc_base.h:46:42: error: _Float16 is not supported on this target
46 | extern _Float16 nsc_sum_of_squares(const _Float16 array[], int size);
| ^
/host/spi-builder-workspace/.build/checkouts/NumSwift/Sources/NumSwiftC/include/numswiftc_base.h:46:8: error: _Float16 is not supported on this target
46 | extern _Float16 nsc_sum_of_squares(const _Float16 array[], int size);
| ^
/host/spi-builder-workspace/.build/checkouts/NumSwift/Sources/NumSwiftC/include/numswiftc_base.h:48:34: error: _Float16 is not supported on this target
48 | extern void nsc_add_scalar(const _Float16 lhs, const _Float16 rhs[], int size, _Float16 *result);
| ^
/host/spi-builder-workspace/.build/checkouts/NumSwift/Sources/NumSwiftC/include/numswiftc_base.h:48:54: error: _Float16 is not supported on this target
48 | extern void nsc_add_scalar(const _Float16 lhs, const _Float16 rhs[], int size, _Float16 *result);
| ^
/host/spi-builder-workspace/.build/checkouts/NumSwift/Sources/NumSwiftC/include/numswiftc_base.h:48:80: error: _Float16 is not supported on this target
48 | extern void nsc_add_scalar(const _Float16 lhs, const _Float16 rhs[], int size, _Float16 *result);
| ^
/host/spi-builder-workspace/.build/checkouts/NumSwift/Sources/NumSwiftC/include/numswiftc_base.h:49:27: error: _Float16 is not supported on this target
49 | extern void nsc_add(const _Float16 lhs[], const _Float16 rhs[], int size, _Float16 *result);
| ^
/host/spi-builder-workspace/.build/checkouts/NumSwift/Sources/NumSwiftC/include/numswiftc_base.h:49:49: error: _Float16 is not supported on this target
49 | extern void nsc_add(const _Float16 lhs[], const _Float16 rhs[], int size, _Float16 *result);
| ^
/host/spi-builder-workspace/.build/checkouts/NumSwift/Sources/NumSwiftC/include/numswiftc_base.h:49:75: error: _Float16 is not supported on this target
49 | extern void nsc_add(const _Float16 lhs[], const _Float16 rhs[], int size, _Float16 *result);
| ^
fatal error: too many errors emitted, stopping now [-ferror-limit=]
20 errors generated.
[13/16] Compiling NumSwiftC numswiftc_base.c
In file included from /host/spi-builder-workspace/.build/checkouts/NumSwift/Sources/NumSwiftC/numswiftc.c:2:
In file included from /host/spi-builder-workspace/.build/checkouts/NumSwift/Sources/NumSwiftC/include/numswiftc.h:5:
/host/spi-builder-workspace/.build/checkouts/NumSwift/Sources/NumSwiftC/include/numswiftc_base.h:30:3: error: _Float16 is not supported on this target
30 | _Float16 value;
| ^
/host/spi-builder-workspace/.build/checkouts/NumSwift/Sources/NumSwiftC/include/numswiftc_base.h:40:48: error: _Float16 is not supported on this target
40 | extern NSC_IndexedValue nsc_index_of_min(const _Float16 array[], int size);
| ^
/host/spi-builder-workspace/.build/checkouts/NumSwift/Sources/NumSwiftC/include/numswiftc_base.h:41:48: error: _Float16 is not supported on this target
41 | extern NSC_IndexedValue nsc_index_of_max(const _Float16 array[], int size);
| ^
/host/spi-builder-workspace/.build/checkouts/NumSwift/Sources/NumSwiftC/include/numswiftc_base.h:42:31: error: _Float16 is not supported on this target
42 | extern _Float16 nsc_max(const _Float16 array[], int size);
| ^
/host/spi-builder-workspace/.build/checkouts/NumSwift/Sources/NumSwiftC/include/numswiftc_base.h:42:8: error: _Float16 is not supported on this target
42 | extern _Float16 nsc_max(const _Float16 array[], int size);
| ^
/host/spi-builder-workspace/.build/checkouts/NumSwift/Sources/NumSwiftC/include/numswiftc_base.h:43:31: error: _Float16 is not supported on this target
43 | extern _Float16 nsc_min(const _Float16 array[], int size);
| ^
/host/spi-builder-workspace/.build/checkouts/NumSwift/Sources/NumSwiftC/include/numswiftc_base.h:43:8: error: _Float16 is not supported on this target
43 | extern _Float16 nsc_min(const _Float16 array[], int size);
| ^
/host/spi-builder-workspace/.build/checkouts/NumSwift/Sources/NumSwiftC/include/numswiftc_base.h:44:32: error: _Float16 is not supported on this target
44 | extern _Float16 nsc_mean(const _Float16 array[], int size);
| ^
/host/spi-builder-workspace/.build/checkouts/NumSwift/Sources/NumSwiftC/include/numswiftc_base.h:44:8: error: _Float16 is not supported on this target
44 | extern _Float16 nsc_mean(const _Float16 array[], int size);
| ^
/host/spi-builder-workspace/.build/checkouts/NumSwift/Sources/NumSwiftC/include/numswiftc_base.h:45:31: error: _Float16 is not supported on this target
45 | extern _Float16 nsc_sum(const _Float16 array[], int size);
| ^
/host/spi-builder-workspace/.build/checkouts/NumSwift/Sources/NumSwiftC/include/numswiftc_base.h:45:8: error: _Float16 is not supported on this target
45 | extern _Float16 nsc_sum(const _Float16 array[], int size);
| ^
/host/spi-builder-workspace/.build/checkouts/NumSwift/Sources/NumSwiftC/include/numswiftc_base.h:46:42: error: _Float16 is not supported on this target
46 | extern _Float16 nsc_sum_of_squares(const _Float16 array[], int size);
| ^
/host/spi-builder-workspace/.build/checkouts/NumSwift/Sources/NumSwiftC/include/numswiftc_base.h:46:8: error: _Float16 is not supported on this target
46 | extern _Float16 nsc_sum_of_squares(const _Float16 array[], int size);
| ^
/host/spi-builder-workspace/.build/checkouts/NumSwift/Sources/NumSwiftC/include/numswiftc_base.h:48:34: error: _Float16 is not supported on this target
48 | extern void nsc_add_scalar(const _Float16 lhs, const _Float16 rhs[], int size, _Float16 *result);
| ^
/host/spi-builder-workspace/.build/checkouts/NumSwift/Sources/NumSwiftC/include/numswiftc_base.h:48:54: error: _Float16 is not supported on this target
48 | extern void nsc_add_scalar(const _Float16 lhs, const _Float16 rhs[], int size, _Float16 *result);
| ^
/host/spi-builder-workspace/.build/checkouts/NumSwift/Sources/NumSwiftC/include/numswiftc_base.h:48:80: error: _Float16 is not supported on this target
48 | extern void nsc_add_scalar(const _Float16 lhs, const _Float16 rhs[], int size, _Float16 *result);
| ^
/host/spi-builder-workspace/.build/checkouts/NumSwift/Sources/NumSwiftC/include/numswiftc_base.h:49:27: error: _Float16 is not supported on this target
49 | extern void nsc_add(const _Float16 lhs[], const _Float16 rhs[], int size, _Float16 *result);
| ^
/host/spi-builder-workspace/.build/checkouts/NumSwift/Sources/NumSwiftC/include/numswiftc_base.h:49:49: error: _Float16 is not supported on this target
49 | extern void nsc_add(const _Float16 lhs[], const _Float16 rhs[], int size, _Float16 *result);
| ^
/host/spi-builder-workspace/.build/checkouts/NumSwift/Sources/NumSwiftC/include/numswiftc_base.h:49:75: error: _Float16 is not supported on this target
49 | extern void nsc_add(const _Float16 lhs[], const _Float16 rhs[], int size, _Float16 *result);
| ^
fatal error: too many errors emitted, stopping now [-ferror-limit=]
20 errors generated.
[13/16] Compiling NumSwiftC numswiftc.c
[13/16] Write swift-version-24593BA9C3E375BF.txt
BUILD FAILURE 6.3 wasm