stripping (with flags -S) in  /nix/store/v66h0w7qjk2ga8pigfxx1cpka4pizvp3-aster/bin 
patching ELF executables and libraries
/nix/store/v66h0w7qjk2ga8pigfxx1cpka4pizvp3-aster/bin/aster
patching script interpreter paths