execve("/usr/src/RPM/BUILD/firefox-79.0/mozilla/objdir/_virtualenvs/init_py3/bin/python", ["/usr/src/RPM/BUILD/firefox-79.0/"..., "-m", "mozbuild.action.file_generate", "/usr/src/RPM/BUILD/firefox-79.0/"..., "generate_metadata", "config/cbindgen-metadata.json", "config/.deps/cbindgen-metadata.j"..., "config/.deps/cbindgen-metadata.j"..., ".cargo/config"], 0x1225d08 /* 126 vars */) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0xf7e1e078) = 585636
wait4(585636, [{WIFEXITED(s) && WEXITSTATUS(s) == 0}], 0, NULL) = 585636
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=585636, si_uid=517, si_status=0, si_utime=0, si_stime=0} ---
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0xf7e1e078) = 585668
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=585668, si_uid=517, si_status=SIGILL, si_utime=204, si_stime=299} ---
wait4(585668, [{WIFSIGNALED(s) && WTERMSIG(s) == SIGILL}], 0, NULL) = 585668
exit_group(-4)                          = ?
+++ exited with 252 +++