stripping (with flags -S) in  /nix/store/7qi4ag2j34i34q6ksq6x4w8id3265s3v-aster/bin 
patching ELF executables and libraries
/nix/store/7qi4ag2j34i34q6ksq6x4w8id3265s3v-aster/bin/aster
patching script interpreter paths