>>> pacman -S mingw32/mingw-w64-i686-zstd                                                                                                  
resolving dependencies...                                                                                                                  
looking for conflicting packages...                                                                                                        
                                                                                                                                           
Packages (1) mingw-w64-i686-zstd-1.4.5-1                                                                                                   
                                                                                                                                           
Total Download Size:   0.44 MiB                                                                                                            
Total Installed Size:  2.79 MiB                                                                                                            
                                                                                                                                           
:: Proceed with installation? [Y/n] Y                                                                                                      
:: Retrieving packages...                                                                                                                  
 mingw-w64-i686-zstd-1.4.5-1-any                            451.4 KiB   371K/s 00:01 [###############################################] 100%
(1/1) checking keys in keyring                                                       [###############################################] 100%
(1/1) checking package integrity                                                     [###############################################] 100%
(1/1) loading package files                                                          [###############################################] 100%
error: could not open file /var/cache/pacman/pkg/mingw-w64-i686-zstd-1.4.5-1-any.pkg.tar.zst: Unrecognized archive format                  
error: failed to commit transaction (cannot open package file)                                                                             
Errors occurred, no packages were upgraded.