******************************************************************************** conan install libnova/0.16.0@#50f4e824b829949a68c457f0b5f287fa --build=libnova -pr /home/conan/w/prod/BuildSingleReference/30316/8e8f926f-7e00-4848-842b-ac75ca52b27d/profile_linux_8_libstdcpp11_gcc_debug_64.libnova-shared-False.txt ******************************************************************************** Auto detecting your dev setup to initialize the default profile (/home/conan/w/prod/BuildSingleReference/.conan/profiles/default) CC and CXX: /usr/bin/gcc, /usr/bin/g++ Found gcc 8 gcc>=5, using the major as version ************************* WARNING: GCC OLD ABI COMPATIBILITY *********************** Conan detected a GCC version > 5 but has adjusted the 'compiler.libcxx' setting to 'libstdc++' for backwards compatibility. Your compiler is likely using the new CXX11 ABI by default (libstdc++11). If you want Conan to use the new ABI for the default profile, run: $ conan profile update settings.compiler.libcxx=libstdc++11 default Or edit '/home/conan/w/prod/BuildSingleReference/.conan/profiles/default' and set compiler.libcxx=libstdc++11 ************************************************************************************ Default settings os=Linux os_build=Linux arch=x86_64 arch_build=x86_64 compiler=gcc compiler.version=8 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=Debug compiler=gcc compiler.libcxx=libstdc++11 compiler.version=8 os=Linux [options] libnova:shared=False [build_requires] [env] libnova/0.16.0: Forced build from source Installing package: libnova/0.16.0 Requirements libnova/0.16.0 from local cache - Cache Packages libnova/0.16.0:761432f3453a17c960259b5b2605153e3bcffd7d - Build Installing (downloading, building) binaries... [HOOK - conan-center.py] pre_source(): [IMMUTABLE SOURCES (KB-H010)] OK libnova/0.16.0: Configuring sources in /home/conan/w/prod/BuildSingleReference/.conan/data/libnova/0.16.0/_/_/source Waiting 5 seconds to retry... ERROR: Error downloading file sha256: 'Invalid URL 'sha256': No scheme supplied. Perhaps you meant http://sha256?' ERROR: libnova/0.16.0: Error in source() method, line 69 destination=self._source_subfolder, strip_root=True) ConanException: Error downloading file sha256: 'Invalid URL 'sha256': No scheme supplied. Perhaps you meant http://sha256?'