Swift Package Index

Build Information

Failed to build nio-h2, reference master (504a69), with Swift 6.4 for macOS (SPM) on 16 Sep 2026 08:22:05 UTC.

Build Command

env DEVELOPER_DIR=/Applications/Xcode-27.0.0-Release.Candidate.app xcrun swift build --arch arm64

Build Log

========================================
RunAll
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Builder version: 5.1.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/moritzsternemann/nio-h2.git
Reference: master
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/moritzsternemann/nio-h2
 * branch            master     -> FETCH_HEAD
 * [new branch]      master     -> origin/master
HEAD is now at 504a69e Initial commit
Cloned https://github.com/moritzsternemann/nio-h2.git
Revision (git rev-parse @):
504a69e2b76a6173ceba63f817551712dcd55ac2
SUCCESS checkout https://github.com/moritzsternemann/nio-h2.git at master
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             6.4
Building package at path:  $PWD
https://github.com/moritzsternemann/nio-h2.git
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-27.0.0-Release.Candidate.app xcrun swift build --arch arm64
Building for debugging...
[Computing dependencies]
[Pre-planning 1 / 547]
[Planning deferred tasks]
[8 / 198] swift-nio-zlib-support
[98 / 198]
[109 / 200] NIOPriorityQueue
Fetching https://github.com/apple/swift-nio-http2
Fetching https://github.com/apple/swift-nio
Fetching https://github.com/apple/swift-nio-ssl
[1/12252] Fetching swift-nio-http2
[2/28316] Fetching swift-nio-http2, swift-nio-ssl
[4832/114263] Fetching swift-nio-http2, swift-nio-ssl, swift-nio
Fetched https://github.com/apple/swift-nio-ssl (7.25s)
Fetched https://github.com/apple/swift-nio (7.25s)
Fetched https://github.com/apple/swift-nio-http2 (7.25s)
Computing version for https://github.com/apple/swift-nio-http2
Computed https://github.com/apple/swift-nio-http2 at 0.1.0 (9.48s)
Fetching https://github.com/apple/swift-nio-nghttp2-support.git
[1/10] Fetching swift-nio-nghttp2-support
Fetched https://github.com/apple/swift-nio-nghttp2-support.git (0.74s)
Computing version for https://github.com/apple/swift-nio-nghttp2-support.git
Computed https://github.com/apple/swift-nio-nghttp2-support.git at 1.0.0 (1.44s)
Computing version for https://github.com/apple/swift-nio-ssl
Computed https://github.com/apple/swift-nio-ssl at 1.4.0 (0.63s)
Fetching https://github.com/apple/swift-nio-ssl-support.git
[1/16] Fetching swift-nio-ssl-support
Fetched https://github.com/apple/swift-nio-ssl-support.git (0.71s)
Computing version for https://github.com/apple/swift-nio-ssl-support.git
Computed https://github.com/apple/swift-nio-ssl-support.git at 1.0.0 (1.37s)
Computing version for https://github.com/apple/swift-nio
Computed https://github.com/apple/swift-nio at 1.14.4 (0.64s)
Fetching https://github.com/apple/swift-nio-zlib-support.git
[1/15] Fetching swift-nio-zlib-support
Fetched https://github.com/apple/swift-nio-zlib-support.git (0.73s)
Computing version for https://github.com/apple/swift-nio-zlib-support.git
Computed https://github.com/apple/swift-nio-zlib-support.git at 1.0.0 (1.39s)
Creating working copy for https://github.com/apple/swift-nio-zlib-support.git
Working copy of https://github.com/apple/swift-nio-zlib-support.git resolved at 1.0.0
Creating working copy for https://github.com/apple/swift-nio
Working copy of https://github.com/apple/swift-nio resolved at 1.14.4
Creating working copy for https://github.com/apple/swift-nio-ssl
Working copy of https://github.com/apple/swift-nio-ssl resolved at 1.4.0
Creating working copy for https://github.com/apple/swift-nio-nghttp2-support.git
Working copy of https://github.com/apple/swift-nio-nghttp2-support.git resolved at 1.0.0
Creating working copy for https://github.com/apple/swift-nio-http2
Working copy of https://github.com/apple/swift-nio-http2 resolved at 0.1.0
Creating working copy for https://github.com/apple/swift-nio-ssl-support.git
Working copy of https://github.com/apple/swift-nio-ssl-support.git resolved at 1.0.0
warning: 'swift-nio-nghttp2-support': ignoring declared target(s) 'swift-nio-nghttp2-support' in the system package
warning: 'swift-nio-ssl-support': ignoring declared target(s) 'swift-nio-ssl-support' in the system package
warning: 'swift-nio-zlib-support': ignoring declared target(s) 'swift-nio-zlib-support' in the system package
warning: 'swift-nio-nghttp2-support': ignoring declared target(s) 'swift-nio-nghttp2-support' in the system package
warning: 'swift-nio-ssl-support': ignoring declared target(s) 'swift-nio-ssl-support' in the system package
warning: 'swift-nio-zlib-support': ignoring declared target(s) 'swift-nio-zlib-support' in the system package
warning: 'swift-nio-nghttp2-support': failed to retrieve search paths with pkg-config; maybe pkg-config is not installed
warning: 'swift-nio-nghttp2-support': you may be able to install libnghttp2 using your system-packager:
    brew install nghttp2
warning: 'swift-nio-ssl-support': you may be able to install openssl using your system-packager:
    brew install libressl
warning: 'swift-nio-zlib-support': couldn't find pc file for zlib
error: /Users/admin/builder/spi-builder-workspace/.build/checkouts/swift-nio-ssl/Sources/CNIOOpenSSL/include/c_nio_openssl.h:17:10 'openssl/conf.h' file not found
error: ScanDependencies /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/swift-nio-ssl.build/Debug/CNIOOpenSSL-t.build/Objects-normal/arm64/shims.o /Users/admin/builder/spi-builder-workspace/.build/checkouts/swift-nio-ssl/Sources/CNIOOpenSSL/shims.c normal arm64 c com.apple.compilers.llvm.clang.1_0.compiler failed with a nonzero exit code. Command line:     cd /Users/admin/builder

    Using response file: /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/swift-nio-ssl.build/Debug/CNIOOpenSSL-t.build/Objects-normal/arm64/7187679823f38a2a940e0043cdf9d637-common-args.resp

    builtin-ScanDependencies -o /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/swift-nio-ssl.build/Debug/CNIOOpenSSL-t.build/Objects-normal/arm64/shims.o.scan -- /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -x c -ivfsstatcache /Users/admin/builder/spi-builder-workspace/.build/out/SDKStatCaches.noindex/macosx27.0-26A425-80c5bbf1d171475443272936d42f90a36a22442a12e9d48fe1a705f55a1adfc4.sdkstatcache -target arm64-apple-macos12.0 -fmessage-length\=0 -fdiagnostics-show-note-include-stack -fmacro-backtrace-limit\=0 -fcolor-diagnostics -fmodules-prune-interval\=86400 -fmodules-prune-after\=345600 -fbuild-session-file\=/Users/admin/builder/spi-builder-workspace/.build/out/ModuleCache.noindex/Session.modulevalidation -fmodules-validate-once-per-build-session -Wnon-modular-include-in-framework-module -Werror\=non-modular-include-in-framework-module -Wno-trigraphs -Wno-missing-field-initializers -Wno-missing-prototypes -Wno-return-type -Wno-missing-braces -Wparentheses -Wswitch -Wno-unused-function -Wno-unused-label -Wno-unused-parameter -Wno-unused-variable -Wunused-value -Wno-empty-body -Wno-uninitialized -Wno-unknown-pragmas -w -Wno-shadow -Wno-four-char-constants -Wno-conversion -Wno-constant-conversion -Wno-int-conversion -Wno-bool-conversion -Wno-enum-conversion -Wno-float-conversion -Wno-non-literal-null-conversion -Wno-objc-literal-conversion -Wshorten-64-to-32 -Wpointer-sign -Wno-newline-eof -Wno-implicit-fallthrough -isysroot /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX27.0.sdk -fstrict-aliasing -Wdeprecated-declarations -Wno-sign-conversion -Wno-infinite-recursion -Wno-comma -Wno-block-capture-autoreleasing -Wno-strict-prototypes -Wno-semicolon-before-method-body -index-store-path /Users/admin/builder/spi-builder-workspace/.build/out @/Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/swift-nio-ssl.build/Debug/CNIOOpenSSL-t.build/Objects-normal/arm64/7187679823f38a2a940e0043cdf9d637-common-args.resp -MMD -MT dependencies -MF /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/swift-nio-ssl.build/Debug/CNIOOpenSSL-t.build/Objects-normal/arm64/shims.d --serialize-diagnostics /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/swift-nio-ssl.build/Debug/CNIOOpenSSL-t.build/Objects-normal/arm64/shims.dia -c /Users/admin/builder/spi-builder-workspace/.build/checkouts/swift-nio-ssl/Sources/CNIOOpenSSL/shims.c -o /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/swift-nio-ssl.build/Debug/CNIOOpenSSL-t.build/Objects-normal/arm64/shims.o -index-unit-output-path /swift-nio-ssl.build/Debug/CNIOOpenSSL-t.build/Objects-normal/arm64/shims.o
error: /Users/admin/builder/spi-builder-workspace/.build/checkouts/swift-nio-ssl/Sources/CNIOOpenSSL/include/c_nio_openssl.h:17:10 'openssl/conf.h' file not found
error: ScanDependencies /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/swift-nio-ssl.build/Debug/CNIOOpenSSL-t.build/Objects-normal/arm64/helpers.o /Users/admin/builder/spi-builder-workspace/.build/checkouts/swift-nio-ssl/Sources/CNIOOpenSSL/helpers.c normal arm64 c com.apple.compilers.llvm.clang.1_0.compiler failed with a nonzero exit code. Command line:     cd /Users/admin/builder

    Using response file: /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/swift-nio-ssl.build/Debug/CNIOOpenSSL-t.build/Objects-normal/arm64/7187679823f38a2a940e0043cdf9d637-common-args.resp

    builtin-ScanDependencies -o /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/swift-nio-ssl.build/Debug/CNIOOpenSSL-t.build/Objects-normal/arm64/helpers.o.scan -- /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -x c -ivfsstatcache /Users/admin/builder/spi-builder-workspace/.build/out/SDKStatCaches.noindex/macosx27.0-26A425-80c5bbf1d171475443272936d42f90a36a22442a12e9d48fe1a705f55a1adfc4.sdkstatcache -target arm64-apple-macos12.0 -fmessage-length\=0 -fdiagnostics-show-note-include-stack -fmacro-backtrace-limit\=0 -fcolor-diagnostics -fmodules-prune-interval\=86400 -fmodules-prune-after\=345600 -fbuild-session-file\=/Users/admin/builder/spi-builder-workspace/.build/out/ModuleCache.noindex/Session.modulevalidation -fmodules-validate-once-per-build-session -Wnon-modular-include-in-framework-module -Werror\=non-modular-include-in-framework-module -Wno-trigraphs -Wno-missing-field-initializers -Wno-missing-prototypes -Wno-return-type -Wno-missing-braces -Wparentheses -Wswitch -Wno-unused-function -Wno-unused-label -Wno-unused-parameter -Wno-unused-variable -Wunused-value -Wno-empty-body -Wno-uninitialized -Wno-unknown-pragmas -w -Wno-shadow -Wno-four-char-constants -Wno-conversion -Wno-constant-conversion -Wno-int-conversion -Wno-bool-conversion -Wno-enum-conversion -Wno-float-conversion -Wno-non-literal-null-conversion -Wno-objc-literal-conversion -Wshorten-64-to-32 -Wpointer-sign -Wno-newline-eof -Wno-implicit-fallthrough -isysroot /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX27.0.sdk -fstrict-aliasing -Wdeprecated-declarations -Wno-sign-conversion -Wno-infinite-recursion -Wno-comma -Wno-block-capture-autoreleasing -Wno-strict-prototypes -Wno-semicolon-before-method-body -index-store-path /Users/admin/builder/spi-builder-workspace/.build/out @/Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/swift-nio-ssl.build/Debug/CNIOOpenSSL-t.build/Objects-normal/arm64/7187679823f38a2a940e0043cdf9d637-common-args.resp -MMD -MT dependencies -MF /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/swift-nio-ssl.build/Debug/CNIOOpenSSL-t.build/Objects-normal/arm64/helpers.d --serialize-diagnostics /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/swift-nio-ssl.build/Debug/CNIOOpenSSL-t.build/Objects-normal/arm64/helpers.dia -c /Users/admin/builder/spi-builder-workspace/.build/checkouts/swift-nio-ssl/Sources/CNIOOpenSSL/helpers.c -o /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/swift-nio-ssl.build/Debug/CNIOOpenSSL-t.build/Objects-normal/arm64/helpers.o -index-unit-output-path /swift-nio-ssl.build/Debug/CNIOOpenSSL-t.build/Objects-normal/arm64/helpers.o
error: Build failed
BUILD FAILURE 6.4 macosSpm