-/target
+target
**/*.rs.bk
*.rlib
+*.o
+perf.data
+perf.data.old
+*.events
+*.string*
+/y.bin
+/y.bin.dSYM
+/y.exe
+/y.pdb
+/build
+/build_sysroot/sysroot_src
+/build_sysroot/compiler-builtins
+/build_sysroot/rustc_version
+/rust
+/rand
+/regex
+/simple-raytracer
+/portable-simd