stripping (with flags -S) in  /nix/store/v7vws5sfy68x4xbkll3zckbwfj1wx6k5-aster/bin 
patching ELF executables and libraries
/nix/store/v7vws5sfy68x4xbkll3zckbwfj1wx6k5-aster/bin/aster
patching script interpreter paths