stripping (with flags -S) in  /nix/store/146iiffwzp0zdhcx7ry728m0jk2a230j-aster/bin 
patching ELF executables and libraries
/nix/store/146iiffwzp0zdhcx7ry728m0jk2a230j-aster/bin/aster
patching script interpreter paths