stripping (with flags -S) in  /nix/store/dwwh36a2gp6bp9qzs8vfbh3nxjns0cd3-aster/bin 
patching ELF executables and libraries
/nix/store/dwwh36a2gp6bp9qzs8vfbh3nxjns0cd3-aster/bin/aster
patching script interpreter paths