stripping (with flags -S) in  /nix/store/r1hsycqx5r84p7v627wh7zrwcnaxwn9r-aster/bin 
patching ELF executables and libraries
/nix/store/r1hsycqx5r84p7v627wh7zrwcnaxwn9r-aster/bin/aster
patching script interpreter paths