stripping (with flags -S) in  /nix/store/hsd5rqfvvwqqwbps2hk0wmhvn5wfbhic-aster/bin 
patching ELF executables and libraries
/nix/store/hsd5rqfvvwqqwbps2hk0wmhvn5wfbhic-aster/bin/aster
patching script interpreter paths