stripping (with flags -S) in  /nix/store/3zm6p6x3rp5l7kff1bsrsffzqzh0i1wy-aster/bin 
patching ELF executables and libraries
/nix/store/3zm6p6x3rp5l7kff1bsrsffzqzh0i1wy-aster/bin/aster
patching script interpreter paths