******************************************************************************** conan test conan-center-index/recipes/aws-c-event-stream/all/test_package/conanfile.py aws-c-event-stream/0.2.12@#0dd4940ece361275535c181307f286e2 -pr /home/conan/w/prod/BuildSingleReference/53506/d1980bfb-84bf-402c-987b-e45fe3298d16/profile_linux_11_libstdcpp_clang_release_64.aws-c-event-stream-shared-True.txt ******************************************************************************** Auto detecting your dev setup to initialize the default profile (/home/conan/w/prod/BuildSingleReference/.conan/profiles/default) CC and CXX: clang, clang++ Found clang 11.1 clang>=8, using the major as version Default settings os=Linux os_build=Linux arch=x86_64 arch_build=x86_64 compiler=clang compiler.version=11 compiler.libcxx=libstdc++ build_type=Release *** You can change them in /home/conan/w/prod/BuildSingleReference/.conan/profiles/default *** *** Or override with -s compiler='other' -s ...s*** Configuration: [settings] arch=x86_64 build_type=Release compiler=clang compiler.libcxx=libstdc++ compiler.version=11 os=Linux [options] aws-c-event-stream:shared=True [build_requires] [env] aws-checksums/0.1.12: Not found in local cache, looking in remotes... aws-checksums/0.1.12: Trying with 'conan-center'... Downloading conanmanifest.txt Downloading conanfile.py Downloading conan_export.tgz aws-checksums/0.1.12: Downloaded recipe revision 0c482835013bd7762ec0718e52205c22 aws-c-common/0.6.19: Not found in local cache, looking in remotes... aws-c-common/0.6.19: Trying with 'conan-center'... Downloading conanmanifest.txt Downloading conanfile.py Downloading conan_export.tgz aws-c-common/0.6.19: Downloaded recipe revision cf32a0cdd19ab356dfa6b6d579ed4bc6 aws-c-io/0.11.2: Not found in local cache, looking in remotes... aws-c-io/0.11.2: Trying with 'conan-center'... Downloading conanmanifest.txt Downloading conanfile.py Downloading conan_export.tgz aws-c-io/0.11.2: Downloaded recipe revision 2dff8b87df165581f65836aa34d60061 aws-c-cal/0.5.13: Not found in local cache, looking in remotes... aws-c-cal/0.5.13: Trying with 'conan-center'... Downloading conanmanifest.txt Downloading conanfile.py Downloading conan_export.tgz aws-c-cal/0.5.13: Downloaded recipe revision c30befa067203a92cccdc94e39e8031e openssl/1.1.1n: Not found in local cache, looking in remotes... openssl/1.1.1n: Trying with 'conan-center'... Downloading conanmanifest.txt Downloading conanfile.py Downloading conan_export.tgz openssl/1.1.1n: Downloaded recipe revision 2f4f1e70c94733801aa604f0399db280 s2n/1.3.9: Not found in local cache, looking in remotes... s2n/1.3.9: Trying with 'conan-center'... Downloading conanmanifest.txt Downloading conanfile.py Downloading conan_export.tgz s2n/1.3.9: Downloaded recipe revision 7c36397c29fb04ef82aeb7e72bec1393 aws-c-event-stream/0.2.12 (test package): Installing package Requirements aws-c-cal/0.5.13 from 'conan-center' - Downloaded aws-c-common/0.6.19 from 'conan-center' - Downloaded aws-c-event-stream/0.2.12 from local cache - Cache aws-c-io/0.11.2 from 'conan-center' - Downloaded aws-checksums/0.1.12 from 'conan-center' - Downloaded openssl/1.1.1n from 'conan-center' - Downloaded s2n/1.3.9 from 'conan-center' - Downloaded Packages aws-c-cal/0.5.13:9ca06dec2c6f21ac80a9fd07917677677e68d4ba - Download aws-c-common/0.6.19:25be6072f53552e4c154b66e5063998bf2833c18 - Download aws-c-event-stream/0.2.12:10d2bd0d46458fed78954b2d8acfa6ea8a75b84b - Download aws-c-io/0.11.2:c9216315e281a458b9e594b9c89fb88b024bfd30 - Download aws-checksums/0.1.12:bfd9bd4eda7a506b5525f3c1c85e4798af5bcd67 - Download openssl/1.1.1n:d988447fa516eac7400b2f34e2d4b89e42b4b1a8 - Download s2n/1.3.9:193cad478ced4544f93af37eb5c5b51c1010aa44 - Download Installing (downloading, building) binaries... aws-c-common/0.6.19: Retrieving package 25be6072f53552e4c154b66e5063998bf2833c18 from remote 'conan-center' Downloading conanmanifest.txt Downloading conaninfo.txt Downloading conan_package.tgz aws-c-common/0.6.19: Package installed 25be6072f53552e4c154b66e5063998bf2833c18 aws-c-common/0.6.19: Downloaded package revision b564faff097b759e8e01a37766190033 openssl/1.1.1n: Retrieving package d988447fa516eac7400b2f34e2d4b89e42b4b1a8 from remote 'conan-center' Downloading conanmanifest.txt Downloading conaninfo.txt Downloading conan_package.tgz openssl/1.1.1n: Package installed d988447fa516eac7400b2f34e2d4b89e42b4b1a8 openssl/1.1.1n: Downloaded package revision 2370c3491ea460d99e9973780c85a7cb aws-c-cal/0.5.13: Retrieving package 9ca06dec2c6f21ac80a9fd07917677677e68d4ba from remote 'conan-center' Downloading conanmanifest.txt Downloading conaninfo.txt Downloading conan_package.tgz aws-c-cal/0.5.13: Package installed 9ca06dec2c6f21ac80a9fd07917677677e68d4ba aws-c-cal/0.5.13: Downloaded package revision dd7f7c358eb56ba0b1233061ca34101b aws-checksums/0.1.12: Retrieving package bfd9bd4eda7a506b5525f3c1c85e4798af5bcd67 from remote 'conan-center' Downloading conanmanifest.txt Downloading conaninfo.txt Downloading conan_package.tgz aws-checksums/0.1.12: Package installed bfd9bd4eda7a506b5525f3c1c85e4798af5bcd67 aws-checksums/0.1.12: Downloaded package revision c82ef1cda2c97c45a76424b89dec621a s2n/1.3.9: Retrieving package 193cad478ced4544f93af37eb5c5b51c1010aa44 from remote 'conan-center' Downloading conanmanifest.txt Downloading conaninfo.txt Downloading conan_package.tgz s2n/1.3.9: Package installed 193cad478ced4544f93af37eb5c5b51c1010aa44 s2n/1.3.9: Downloaded package revision af5c842111f1be63a66440f98b437e9c aws-c-io/0.11.2: Retrieving package c9216315e281a458b9e594b9c89fb88b024bfd30 from remote 'conan-center' Downloading conanmanifest.txt Downloading conaninfo.txt Downloading conan_package.tgz aws-c-io/0.11.2: Package installed c9216315e281a458b9e594b9c89fb88b024bfd30 aws-c-io/0.11.2: Downloaded package revision 7f8b2aea9b67b46877108931e2323689 aws-c-event-stream/0.2.12: Retrieving package 10d2bd0d46458fed78954b2d8acfa6ea8a75b84b from remote 'c3i_PR-11482' Downloading conanmanifest.txt Downloading conaninfo.txt Downloading conan_package.tgz aws-c-event-stream/0.2.12: Package installed 10d2bd0d46458fed78954b2d8acfa6ea8a75b84b aws-c-event-stream/0.2.12: Downloaded package revision 8a40ffbaa33e99bb5883b322d51929ea aws-c-event-stream/0.2.12 (test package): Generator cmake_find_package_multi created aws-c-event-stream-config-version.cmake aws-c-event-stream/0.2.12 (test package): Generator cmake_find_package_multi created aws-c-event-streamTarget-release.cmake aws-c-event-stream/0.2.12 (test package): Generator cmake_find_package_multi created aws-c-event-streamTargets.cmake aws-c-event-stream/0.2.12 (test package): Generator cmake_find_package_multi created aws-c-event-stream-config.cmake aws-c-event-stream/0.2.12 (test package): Generator cmake_find_package_multi created aws-checksums-config-version.cmake aws-c-event-stream/0.2.12 (test package): Generator cmake_find_package_multi created aws-checksumsTarget-release.cmake aws-c-event-stream/0.2.12 (test package): Generator cmake_find_package_multi created aws-checksumsTargets.cmake aws-c-event-stream/0.2.12 (test package): Generator cmake_find_package_multi created aws-checksums-config.cmake aws-c-event-stream/0.2.12 (test package): Generator cmake_find_package_multi created aws-c-io-config-version.cmake aws-c-event-stream/0.2.12 (test package): Generator cmake_find_package_multi created aws-c-ioTarget-release.cmake aws-c-event-stream/0.2.12 (test package): Generator cmake_find_package_multi created aws-c-ioTargets.cmake aws-c-event-stream/0.2.12 (test package): Generator cmake_find_package_multi created aws-c-io-config.cmake aws-c-event-stream/0.2.12 (test package): Generator cmake_find_package_multi created aws-c-cal-config-version.cmake aws-c-event-stream/0.2.12 (test package): Generator cmake_find_package_multi created aws-c-calTarget-release.cmake aws-c-event-stream/0.2.12 (test package): Generator cmake_find_package_multi created aws-c-calTargets.cmake aws-c-event-stream/0.2.12 (test package): Generator cmake_find_package_multi created aws-c-cal-config.cmake aws-c-event-stream/0.2.12 (test package): Generator cmake_find_package_multi created s2n-config-version.cmake aws-c-event-stream/0.2.12 (test package): Generator cmake_find_package_multi created s2nTarget-release.cmake aws-c-event-stream/0.2.12 (test package): Generator cmake_find_package_multi created s2nTargets.cmake aws-c-event-stream/0.2.12 (test package): Generator cmake_find_package_multi created s2n-config.cmake aws-c-event-stream/0.2.12 (test package): Generator cmake_find_package_multi created aws-c-common-config-version.cmake aws-c-event-stream/0.2.12 (test package): Generator cmake_find_package_multi created aws-c-commonTarget-release.cmake aws-c-event-stream/0.2.12 (test package): Generator cmake_find_package_multi created aws-c-commonTargets.cmake aws-c-event-stream/0.2.12 (test package): Generator cmake_find_package_multi created aws-c-common-config.cmake aws-c-event-stream/0.2.12 (test package): Generator cmake_find_package_multi created OpenSSLConfigVersion.cmake aws-c-event-stream/0.2.12 (test package): Generator cmake_find_package_multi created OpenSSLTarget-release.cmake aws-c-event-stream/0.2.12 (test package): Generator cmake_find_package_multi created OpenSSLTargets.cmake aws-c-event-stream/0.2.12 (test package): Generator cmake_find_package_multi created OpenSSLConfig.cmake aws-c-event-stream/0.2.12 (test package): Generator cmake created conanbuildinfo.cmake aws-c-event-stream/0.2.12 (test package): Generator txt created conanbuildinfo.txt aws-c-event-stream/0.2.12 (test package): Aggregating env generators aws-c-event-stream/0.2.12 (test package): Generated conaninfo.txt aws-c-event-stream/0.2.12 (test package): Generated graphinfo Using lockfile: '/home/conan/w/prod/BuildSingleReference/conan-center-index/recipes/aws-c-event-stream/all/test_package/build/ab270bd35d4a49cbeb89b9d566f91e2acac310fa/conan.lock' Using cached profile from lockfile [HOOK - conan-center.py] pre_build(): [FPIC MANAGEMENT (KB-H007)] 'fPIC' option not found [HOOK - conan-center.py] pre_build(): [FPIC MANAGEMENT (KB-H007)] OK aws-c-event-stream/0.2.12 (test package): Calling build() ----Running------ > cd '/home/conan/w/prod/BuildSingleReference/conan-center-index/recipes/aws-c-event-stream/all/test_package/build/ab270bd35d4a49cbeb89b9d566f91e2acac310fa' && cmake -G "Unix Makefiles" -DCMAKE_BUILD_TYPE="Release" -DCONAN_IN_LOCAL_CACHE="OFF" -DCONAN_COMPILER="clang" -DCONAN_COMPILER_VERSION="11" -DCONAN_CXX_FLAGS="-m64" -DCONAN_SHARED_LINKER_FLAGS="-m64" -DCONAN_C_FLAGS="-m64" -DCONAN_LIBCXX="libstdc++" -DCMAKE_INSTALL_PREFIX="/home/conan/w/prod/BuildSingleReference/conan-center-index/recipes/aws-c-event-stream/all/test_package/build/ab270bd35d4a49cbeb89b9d566f91e2acac310fa/package" -DCMAKE_INSTALL_BINDIR="bin" -DCMAKE_INSTALL_SBINDIR="bin" -DCMAKE_INSTALL_LIBEXECDIR="bin" -DCMAKE_INSTALL_LIBDIR="lib" -DCMAKE_INSTALL_INCLUDEDIR="include" -DCMAKE_INSTALL_OLDINCLUDEDIR="include" -DCMAKE_INSTALL_DATAROOTDIR="share" -DCMAKE_PREFIX_PATH="/home/conan/w/prod/BuildSingleReference/conan-center-index/recipes/aws-c-event-stream/all/test_package/build/ab270bd35d4a49cbeb89b9d566f91e2acac310fa" -DCMAKE_MODULE_PATH="/home/conan/w/prod/BuildSingleReference/conan-center-index/recipes/aws-c-event-stream/all/test_package/build/ab270bd35d4a49cbeb89b9d566f91e2acac310fa" -DCMAKE_EXPORT_NO_PACKAGE_REGISTRY="ON" -DCONAN_EXPORTED="1" -Wno-dev '/home/conan/w/prod/BuildSingleReference/conan-center-index/recipes/aws-c-event-stream/all/test_package' ----------------- -- The C compiler identification is Clang 11.1.0 -- Detecting C compiler ABI info -- Detecting C compiler ABI info - done -- Check for working C compiler: /usr/bin/clang - skipped -- Detecting C compile features -- Detecting C compile features - done -- Conan: called by CMake conan helper -- Conan: Adjusting output directories -- Conan: Using cmake targets configuration -- Library aws-c-event-stream found /home/conan/w/prod/BuildSingleReference/.conan/data/aws-c-event-stream/0.2.12/_/_/package/10d2bd0d46458fed78954b2d8acfa6ea8a75b84b/lib/libaws-c-event-stream.so -- Library aws-checksums found /home/conan/w/prod/BuildSingleReference/.conan/data/aws-checksums/0.1.12/_/_/package/bfd9bd4eda7a506b5525f3c1c85e4798af5bcd67/lib/libaws-checksums.a -- Library aws-c-io found /home/conan/w/prod/BuildSingleReference/.conan/data/aws-c-io/0.11.2/_/_/package/c9216315e281a458b9e594b9c89fb88b024bfd30/lib/libaws-c-io.a -- Library aws-c-cal found /home/conan/w/prod/BuildSingleReference/.conan/data/aws-c-cal/0.5.13/_/_/package/9ca06dec2c6f21ac80a9fd07917677677e68d4ba/lib/libaws-c-cal.a -- Library s2n found /home/conan/w/prod/BuildSingleReference/.conan/data/s2n/1.3.9/_/_/package/193cad478ced4544f93af37eb5c5b51c1010aa44/lib/libs2n.a -- Library aws-c-common found /home/conan/w/prod/BuildSingleReference/.conan/data/aws-c-common/0.6.19/_/_/package/25be6072f53552e4c154b66e5063998bf2833c18/lib/libaws-c-common.a -- Library ssl found /home/conan/w/prod/BuildSingleReference/.conan/data/openssl/1.1.1n/_/_/package/d988447fa516eac7400b2f34e2d4b89e42b4b1a8/lib/libssl.a -- Library crypto found /home/conan/w/prod/BuildSingleReference/.conan/data/openssl/1.1.1n/_/_/package/d988447fa516eac7400b2f34e2d4b89e42b4b1a8/lib/libcrypto.a -- Conan: Adjusting default RPATHs Conan policies -- Conan: Adjusting language standard -- This project seems to be plain C, using 'Clang' compiler -- Conan: Compiler Clang>=8, checking major version 11 -- Conan: Checking correct version: 11 -- Conan: C++ stdlib: libstdc++ -- Library aws-c-event-stream found /home/conan/w/prod/BuildSingleReference/.conan/data/aws-c-event-stream/0.2.12/_/_/package/10d2bd0d46458fed78954b2d8acfa6ea8a75b84b/lib/libaws-c-event-stream.so -- Found: /home/conan/w/prod/BuildSingleReference/.conan/data/aws-c-event-stream/0.2.12/_/_/package/10d2bd0d46458fed78954b2d8acfa6ea8a75b84b/lib/libaws-c-event-stream.so -- Library aws-c-event-stream found /home/conan/w/prod/BuildSingleReference/.conan/data/aws-c-event-stream/0.2.12/_/_/package/10d2bd0d46458fed78954b2d8acfa6ea8a75b84b/lib/libaws-c-event-stream.so -- Found: /home/conan/w/prod/BuildSingleReference/.conan/data/aws-c-event-stream/0.2.12/_/_/package/10d2bd0d46458fed78954b2d8acfa6ea8a75b84b/lib/libaws-c-event-stream.so -- Library aws-c-common found /home/conan/w/prod/BuildSingleReference/.conan/data/aws-c-common/0.6.19/_/_/package/25be6072f53552e4c154b66e5063998bf2833c18/lib/libaws-c-common.a -- Found: /home/conan/w/prod/BuildSingleReference/.conan/data/aws-c-common/0.6.19/_/_/package/25be6072f53552e4c154b66e5063998bf2833c18/lib/libaws-c-common.a -- Library aws-c-common found /home/conan/w/prod/BuildSingleReference/.conan/data/aws-c-common/0.6.19/_/_/package/25be6072f53552e4c154b66e5063998bf2833c18/lib/libaws-c-common.a -- Found: /home/conan/w/prod/BuildSingleReference/.conan/data/aws-c-common/0.6.19/_/_/package/25be6072f53552e4c154b66e5063998bf2833c18/lib/libaws-c-common.a -- Library aws-checksums found /home/conan/w/prod/BuildSingleReference/.conan/data/aws-checksums/0.1.12/_/_/package/bfd9bd4eda7a506b5525f3c1c85e4798af5bcd67/lib/libaws-checksums.a -- Found: /home/conan/w/prod/BuildSingleReference/.conan/data/aws-checksums/0.1.12/_/_/package/bfd9bd4eda7a506b5525f3c1c85e4798af5bcd67/lib/libaws-checksums.a -- Library aws-checksums found /home/conan/w/prod/BuildSingleReference/.conan/data/aws-checksums/0.1.12/_/_/package/bfd9bd4eda7a506b5525f3c1c85e4798af5bcd67/lib/libaws-checksums.a -- Found: /home/conan/w/prod/BuildSingleReference/.conan/data/aws-checksums/0.1.12/_/_/package/bfd9bd4eda7a506b5525f3c1c85e4798af5bcd67/lib/libaws-checksums.a -- Dependency aws-c-common already found -- Library aws-c-io found /home/conan/w/prod/BuildSingleReference/.conan/data/aws-c-io/0.11.2/_/_/package/c9216315e281a458b9e594b9c89fb88b024bfd30/lib/libaws-c-io.a -- Found: /home/conan/w/prod/BuildSingleReference/.conan/data/aws-c-io/0.11.2/_/_/package/c9216315e281a458b9e594b9c89fb88b024bfd30/lib/libaws-c-io.a -- Library aws-c-io found /home/conan/w/prod/BuildSingleReference/.conan/data/aws-c-io/0.11.2/_/_/package/c9216315e281a458b9e594b9c89fb88b024bfd30/lib/libaws-c-io.a -- Found: /home/conan/w/prod/BuildSingleReference/.conan/data/aws-c-io/0.11.2/_/_/package/c9216315e281a458b9e594b9c89fb88b024bfd30/lib/libaws-c-io.a -- Library aws-c-cal found /home/conan/w/prod/BuildSingleReference/.conan/data/aws-c-cal/0.5.13/_/_/package/9ca06dec2c6f21ac80a9fd07917677677e68d4ba/lib/libaws-c-cal.a -- Found: /home/conan/w/prod/BuildSingleReference/.conan/data/aws-c-cal/0.5.13/_/_/package/9ca06dec2c6f21ac80a9fd07917677677e68d4ba/lib/libaws-c-cal.a -- Library aws-c-cal found /home/conan/w/prod/BuildSingleReference/.conan/data/aws-c-cal/0.5.13/_/_/package/9ca06dec2c6f21ac80a9fd07917677677e68d4ba/lib/libaws-c-cal.a -- Found: /home/conan/w/prod/BuildSingleReference/.conan/data/aws-c-cal/0.5.13/_/_/package/9ca06dec2c6f21ac80a9fd07917677677e68d4ba/lib/libaws-c-cal.a -- Dependency aws-c-common already found -- Library ssl found /home/conan/w/prod/BuildSingleReference/.conan/data/openssl/1.1.1n/_/_/package/d988447fa516eac7400b2f34e2d4b89e42b4b1a8/lib/libssl.a -- Found: /home/conan/w/prod/BuildSingleReference/.conan/data/openssl/1.1.1n/_/_/package/d988447fa516eac7400b2f34e2d4b89e42b4b1a8/lib/libssl.a -- Library crypto found /home/conan/w/prod/BuildSingleReference/.conan/data/openssl/1.1.1n/_/_/package/d988447fa516eac7400b2f34e2d4b89e42b4b1a8/lib/libcrypto.a -- Found: /home/conan/w/prod/BuildSingleReference/.conan/data/openssl/1.1.1n/_/_/package/d988447fa516eac7400b2f34e2d4b89e42b4b1a8/lib/libcrypto.a -- Library crypto found /home/conan/w/prod/BuildSingleReference/.conan/data/openssl/1.1.1n/_/_/package/d988447fa516eac7400b2f34e2d4b89e42b4b1a8/lib/libcrypto.a -- Found: /home/conan/w/prod/BuildSingleReference/.conan/data/openssl/1.1.1n/_/_/package/d988447fa516eac7400b2f34e2d4b89e42b4b1a8/lib/libcrypto.a -- Library ssl found /home/conan/w/prod/BuildSingleReference/.conan/data/openssl/1.1.1n/_/_/package/d988447fa516eac7400b2f34e2d4b89e42b4b1a8/lib/libssl.a -- Found: /home/conan/w/prod/BuildSingleReference/.conan/data/openssl/1.1.1n/_/_/package/d988447fa516eac7400b2f34e2d4b89e42b4b1a8/lib/libssl.a -- Dependency aws-c-common already found -- Library s2n found /home/conan/w/prod/BuildSingleReference/.conan/data/s2n/1.3.9/_/_/package/193cad478ced4544f93af37eb5c5b51c1010aa44/lib/libs2n.a -- Found: /home/conan/w/prod/BuildSingleReference/.conan/data/s2n/1.3.9/_/_/package/193cad478ced4544f93af37eb5c5b51c1010aa44/lib/libs2n.a -- Library s2n found /home/conan/w/prod/BuildSingleReference/.conan/data/s2n/1.3.9/_/_/package/193cad478ced4544f93af37eb5c5b51c1010aa44/lib/libs2n.a -- Found: /home/conan/w/prod/BuildSingleReference/.conan/data/s2n/1.3.9/_/_/package/193cad478ced4544f93af37eb5c5b51c1010aa44/lib/libs2n.a -- Dependency OpenSSL already found -- Configuring done -- Generating done -- Build files have been written to: /home/conan/w/prod/BuildSingleReference/conan-center-index/recipes/aws-c-event-stream/all/test_package/build/ab270bd35d4a49cbeb89b9d566f91e2acac310fa ----Running------ > cmake --build '/home/conan/w/prod/BuildSingleReference/conan-center-index/recipes/aws-c-event-stream/all/test_package/build/ab270bd35d4a49cbeb89b9d566f91e2acac310fa' '--' '-j3' ----------------- Scanning dependencies of target test_package [ 50%] Building C object CMakeFiles/test_package.dir/test_package.c.o [100%] Linking C executable bin/test_package [100%] Built target test_package aws-c-event-stream/0.2.12 (test package): Running test() ----Running------ > bin/test_package ----------------- CMake Warning: Manually-specified variables were not used by the project: CMAKE_EXPORT_NO_PACKAGE_REGISTRY CMAKE_INSTALL_BINDIR CMAKE_INSTALL_DATAROOTDIR CMAKE_INSTALL_INCLUDEDIR CMAKE_INSTALL_LIBDIR CMAKE_INSTALL_LIBEXECDIR CMAKE_INSTALL_OLDINCLUDEDIR CMAKE_INSTALL_SBINDIR /home/conan/w/prod/BuildSingleReference/conan-center-index/recipes/aws-c-event-stream/all/test_package/test_package.c:30:53: warning: format specifies type 'unsigned int' but the argument has type 'size_t' (aka 'unsigned long') [-Wformat] fprintf(stderr, "Error at index %u!\n", i); ~~ ^ %zu 1 warning generated.