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: 16839
/tmp/cirrus-ci-build/build/tmp_install/usr/local/pgsql/bin/postgres(ExceptionalCondition+0x56)[0x5571046bef8f]
/tmp/cirrus-ci-build/build/tmp_install/usr/local/pgsql/bin/postgres(InitializeGUCOptions+0x8d)[0x5571046f4c0d]
/tmp/cirrus-ci-build/build/tmp_install/usr/local/pgsql/bin/postgres(PostmasterMain+0x194)[0x5571042c0225]
/tmp/cirrus-ci-build/build/tmp_install/usr/local/pgsql/bin/postgres(main+0x393)[0x5571040eb464]
/lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0xea)[0x7fb85bfbdd0a]
/tmp/cirrus-ci-build/build/tmp_install/usr/local/pgsql/bin/postgres(_start+0x2a)[0x557103c4c21a]