error: calling `std::fs::create_dir` where there may be a better way
  --> $DIR/create_dir.rs:10:5
   |
LL |     std::fs::create_dir("foo");
   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider calling `std::fs::create_dir_all` instead: `create_dir_all("foo")`
   |
   = note: `-D clippy::create-dir` implied by `-D warnings`
   = help: to override `-D warnings` add `#[allow(clippy::create_dir)]`

error: calling `std::fs::create_dir` where there may be a better way
  --> $DIR/create_dir.rs:11:5
   |
LL |     std::fs::create_dir("bar").unwrap();
   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider calling `std::fs::create_dir_all` instead: `create_dir_all("bar")`

error: aborting due to 2 previous errors