error: calling `std::fs::create_dir` where there may be a better way
  --> tests/ui/create_dir.rs:9:5
   |
LL |     std::fs::create_dir("foo");
   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
   |
   = note: `-D clippy::create-dir` implied by `-D warnings`
   = help: to override `-D warnings` add `#[allow(clippy::create_dir)]`
help: consider calling `std::fs::create_dir_all` instead
   |
LL |     std::fs::create_dir_all("foo");
   |                        ++++

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

error: calling `std::fs::create_dir` where there may be a better way
  --> tests/ui/create_dir.rs:22:9
   |
LL |         create_dir("some/dir").unwrap();
   |         ^^^^^^^^^^^^^^^^^^^^^^
   |
help: consider calling `std::fs::create_dir_all` instead
   |
LL |         std::fs::create_dir_all("some/dir").unwrap();
   |         +++++++++          ++++

error: calling `std::fs::create_dir` where there may be a better way
  --> tests/ui/create_dir.rs:28:9
   |
LL |         fs::create_dir("/some/dir").unwrap();
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^
   |
help: consider calling `std::fs::create_dir_all` instead
   |
LL |         fs::create_dir_all("/some/dir").unwrap();
   |                       ++++

error: calling `std::fs::create_dir` where there may be a better way
  --> tests/ui/create_dir.rs:33:9
   |
LL |         std::fs::create_dir("/some/dir").unwrap();
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   |
help: consider calling `std::fs::create_dir_all` instead
   |
LL |         std::fs::create_dir_all("/some/dir").unwrap();
   |                            ++++

error: aborting due to 5 previous errors