stripping (with flags -S) in  /nix/store/x63f8mfxk5va9p9bwnzdzwg58w80l5g6-aster/bin 
patching ELF executables and libraries
/nix/store/x63f8mfxk5va9p9bwnzdzwg58w80l5g6-aster/bin/aster
patching script interpreter paths