Myron – Build Information – Swift Package Index

Build Information

Failed to build Myron, reference 0.3.0 (581f9b), with Swift 6.4 for Linux on 15 Oct 2026 21:37:57 UTC.

Build Command

bash -c docker run --pull=always --rm -v "checkouts-53886770-0":/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:linux-6.4-latest swift build --triple x86_64-unknown-linux-gnu 2>&1

Build Log

========================================
RunAll
========================================
Builder version: 5.1.3
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/ncke/myron.git
Reference: 0.3.0
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/ncke/myron
 * tag               0.3.0      -> FETCH_HEAD
HEAD is now at 581f9b3 Update documentation
Cloned https://github.com/ncke/myron.git
Revision (git rev-parse @):
581f9b367138c382ea813976482e2f575b516247
SPI manifest file found: $PWD/.spi.yml
SUCCESS checkout https://github.com/ncke/myron.git at 0.3.0
========================================
Build
========================================
Selected platform:         linux
Swift version:             6.4
Building package at path:  $PWD
https://github.com/ncke/myron.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-53886770-0":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/saguaro1/spi-images:linux-6.4-latest swift build --triple x86_64-unknown-linux-gnu 2>&1
linux-6.4-latest: Pulling from saguaro1/spi-images
Digest: sha256:ef1451f51398a5019879493c5c492376e60274346858404d898204a8a77273d4
Status: Image is up to date for registry.gitlab.com/saguaro1/spi-images:linux-6.4-latest
Building for debugging...
[Planning deferred tasks]
[32 / 44] Myron
[47 / 54] Myron
error: SwiftCompile normal x86_64 /host/spi-builder-workspace/Sources/MyronRunner/Console.swift failed with a nonzero exit code. Command line:     cd /host
    builtin-SwiftPerFileCompile Console.swift
/host/spi-builder-workspace/Sources/MyronRunner/Console.swift:93:30: [1;31merror: [1;39mreference to var 'stdin' is not concurrency-safe because it involves shared mutable state[0;0m
 [0;36m91 |[0;0m             guard next != EOF else { break }
 [0;36m92 |[0;0m             guard (0x80...0xBF).contains(next) else {
 [0;36m93 |[0;0m                 ungetc(next, stdin)
    [0;36m|[0;0m                              `- [1;31merror: [1;39mreference to var 'stdin' is not concurrency-safe because it involves shared mutable state[0;0m
 [0;36m94 |[0;0m                 break
 [0;36m95 |[0;0m             }
/usr/include/stdio.h:149:14: [1;39mnote: [1;39mvar declared here[0;0m
[0;36m147 |[0;0m
[0;36m148 |[0;0m /* Standard streams.  */
[0;36m149 |[0;0m extern FILE *stdin;		/* Standard input stream.  */
    [0;36m|[0;0m              `- [1;39mnote: [1;39mvar declared here[0;0m
[0;36m150 |[0;0m extern FILE *stdout;		/* Standard output stream.  */
[0;36m151 |[0;0m extern FILE *stderr;		/* Standard error output stream.  */
Failed frontend command:
/usr/bin/swift-frontend -frontend -c /host/spi-builder-workspace/Sources/MyronRunner/Banner.swift -primary-file /host/spi-builder-workspace/Sources/MyronRunner/Console.swift /host/spi-builder-workspace/Sources/MyronRunner/Invocation.swift /host/spi-builder-workspace/Sources/MyronRunner/Literate.swift /host/spi-builder-workspace/Sources/MyronRunner/Repl.swift /host/spi-builder-workspace/Sources/MyronRunner/Script.swift /host/spi-builder-workspace/Sources/MyronRunner/main.swift -emit-dependencies-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/Myron.build/Debug-linux-x86_64/myron-p.build/Objects-normal/x86_64/Console.d -emit-const-values-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/Myron.build/Debug-linux-x86_64/myron-p.build/Objects-normal/x86_64/Console.swiftconstvalues -emit-reference-dependencies-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/Myron.build/Debug-linux-x86_64/myron-p.build/Objects-normal/x86_64/Console.swiftdeps -serialize-diagnostics-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/Myron.build/Debug-linux-x86_64/myron-p.build/Objects-normal/x86_64/Console.dia -target x86_64-unknown-linux-gnu -disable-objc-interop -I /host/spi-builder-workspace/.build/out/Products/Debug-linux-x86_64 -module-cache-path /host/spi-builder-workspace/.build/out/ModuleCache.noindex -color-diagnostics -Xcc -fcolor-diagnostics -enable-testing -g -debug-info-format\=dwarf -dwarf-version\=4 -swift-version 6 -Onone -D SWIFT_PACKAGE -D DEBUG -D Xcode -serialize-debugging-options -enable-experimental-feature DebugDescriptionMacro -empty-abi-descriptor -external-plugin-path /usr/lib/swift/host/plugins/testing\#/usr/bin/swift-plugin-server -validate-clang-modules-once -clang-build-session-file /host/spi-builder-workspace/.build/out/ModuleCache.noindex/Session.modulevalidation -Xcc -working-directory -Xcc /host -enable-anonymous-context-mangled-names -file-compilation-dir /host -Xcc -fno-omit-frame-pointer -Xcc -D_LIBCPP_HARDENING_MODE\=_LIBCPP_HARDENING_MODE_DEBUG -Xcc -fmodules-prune-interval\=86400 -Xcc -fmodules-prune-after\=345600 -Xcc -I/host/spi-builder-workspace/.build/out/Products/Debug-linux-x86_64/include -Xcc -I/host/spi-builder-workspace/.build/out/Intermediates.noindex/Myron.build/Debug-linux-x86_64/myron-p.build/DerivedSources-normal/x86_64 -Xcc -I/host/spi-builder-workspace/.build/out/Intermediates.noindex/Myron.build/Debug-linux-x86_64/myron-p.build/DerivedSources/x86_64 -Xcc -I/host/spi-builder-workspace/.build/out/Intermediates.noindex/Myron.build/Debug-linux-x86_64/myron-p.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG\=1 -no-auto-bridging-header-chaining -module-name MyronRunner -package-name spi_builder_workspace -const-gather-protocols-file /host/spi-builder-workspace/.build/out/Intermediates.noindex/Myron.build/Debug-linux-x86_64/myron-p.build/Objects-normal/x86_64/myron_const_extract_protocols.json -in-process-plugin-server-path /usr/lib/swift/host/libSwiftInProcPluginServer.so -plugin-path /usr/lib/swift/host/plugins -plugin-path /usr/local/lib/swift/host/plugins -o /host/spi-builder-workspace/.build/out/Intermediates.noindex/Myron.build/Debug-linux-x86_64/myron-p.build/Objects-normal/x86_64/Console.o -index-unit-output-path /Myron.build/Debug-linux-x86_64/myron-p.build/Objects-normal/x86_64/Console.o -index-store-path /host/spi-builder-workspace/.build/out -index-system-modules
error: Build failed
BUILD FAILURE 6.4 linux