Building package "libffi7"
INFO:    Starting build...
INFO:    Verifying bootstrap image /home/u726578/chaotic/cache/lower/20220727045252.sif
WARNING: integrity: signature not found for object group 1
WARNING: Bootstrap image could not be verified, but build will continue.
INFO:    Creating sandbox directory...
INFO:    Build complete: /scratch/chaotic/sandbox/pkgc3de0e27792
:: Synchronizing package databases...
 core downloading...
 extra downloading...
 community downloading...
 multilib downloading...
 chaotic-aur downloading...
:: Starting full system upgrade...
 there is nothing to do
warning: glibc-2.35-6 is up to date -- skipping
 there is nothing to do
==> ERROR: A package has already been built. (use -f to overwrite)