stripping (with flags -S) in  /nix/store/yr8msd8mwhi6kbdxglxg93vzixc43bhh-aster/bin 
patching ELF executables and libraries
/nix/store/yr8msd8mwhi6kbdxglxg93vzixc43bhh-aster/bin/aster
patching script interpreter paths