message: Add y.bin to clean_all.sh
diff: set -e
  rm -rf build_sysroot/{sysroot_src/,target/,compiler-builtins/,rustc_version}
  -rm -rf target/ build/ perf.data{,.old}
  +rm -rf target/ build/ perf.data{,.old} y.bin
  rm -rf rand/ regex/ simple-raytracer/ portable-simd/
  