LOG:  GUC (PGC_BOOL) externally_managed_configuration, boot_val=0, C-var=1
TRAP: failed Assert("check_GUC_init(hentry->gucvar)"), File: "../src/backend/utils/misc/guc.c", Line: 1556, PID: 15594
/tmp/cirrus-ci-build/build/tmp_install/usr/local/pgsql/bin/postgres(ExceptionalCondition+0x56)[0x559d6279e551]
/tmp/cirrus-ci-build/build/tmp_install/usr/local/pgsql/bin/postgres(InitializeGUCOptions+0x8d)[0x559d627d3c82]
/tmp/cirrus-ci-build/build/tmp_install/usr/local/pgsql/bin/postgres(PostmasterMain+0x194)[0x559d623a3f8c]
/tmp/cirrus-ci-build/build/tmp_install/usr/local/pgsql/bin/postgres(main+0x393)[0x559d621d11de]
/lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0xea)[0x7f664cd8bd0a]
/tmp/cirrus-ci-build/build/tmp_install/usr/local/pgsql/bin/postgres(_start+0x2a)[0x559d61d3f21a]