Building package "f2c"
INFO:    Starting build...
INFO:    Verifying bootstrap image /home/u726578/chaotic/cache/lower/20230726000441.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/pkg86d0ab291db
:: 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-2.37-3 is up to date -- skipping
resolving dependencies...
looking for conflicting packages...

Packages (1) unzip-6.0-19

Total Installed Size:  0.30 MiB

:: Proceed with installation? [Y/n] 
checking keyring...
checking package integrity...
loading package files...
checking for file conflicts...
checking available disk space...
:: Processing package changes...
installing unzip...
:: Running post-transaction hooks...
(1/1) Arming ConditionNeedsUpdate...
==> ERROR: A package has already been built. (use -f to overwrite)

real	0m11.323s
user	0m4.913s
sys	0m5.976s