clang: error: unable to execute command: Terminated clang: error: clang frontend command failed due to signal (use -v to see invocation) clang version 9.0.0-2 (tags/RELEASE_900/final) Target: x86_64-pc-linux-gnu Thread model: posix InstalledDir: /usr/bin clang: note: diagnostic msg: PLEASE submit a bug report to https://bugs.llvm.org/ and include the crash backtrace, preprocessed source, and associated run script. Terminated make[1]: *** [Makefile:13917: obj/moc_qwt_wheel.o] Error 143 make: *** [Makefile:50: sub-src-make_first-ordered] Error 2 qwt/6.1.6: ERROR: Package '1b6b3fd5e83228bd1a04d056a50ce22fb6f3640e' build failed qwt/6.1.6: WARN: Build folder /home/conan/w/cci_PR-4528/.conan/data/qwt/6.1.6/_/_/build/1b6b3fd5e83228bd1a04d056a50ce22fb6f3640e ERROR: Exiting with code: 5