error: you are getting the inner pointer of a temporary `CString`
  --> $DIR/cstring.rs:8:5
   |
LL |     CString::new("foo").unwrap().as_ptr();
   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   |
note: lint level defined here
  --> $DIR/cstring.rs:1:9
   |
LL | #![deny(clippy::temporary_cstring_as_ptr)]
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   = note: that pointer will be invalid outside this expression
help: assign the `CString` to a variable to extend its lifetime
  --> $DIR/cstring.rs:8:5
   |
LL |     CString::new("foo").unwrap().as_ptr();
   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: you are getting the inner pointer of a temporary `CString`
  --> $DIR/cstring.rs:9:5
   |
LL |     CString::new("foo").expect("dummy").as_ptr();
   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   |
   = note: that pointer will be invalid outside this expression
help: assign the `CString` to a variable to extend its lifetime
  --> $DIR/cstring.rs:9:5
   |
LL |     CString::new("foo").expect("dummy").as_ptr();
   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: you are getting the inner pointer of a temporary `CString`
  --> $DIR/cstring.rs:22:22
   |
LL |         unsafe { foo(cstr.unwrap().as_ptr()) }
   |                      ^^^^^^^^^^^^^^^^^^^^^^
   |
   = note: that pointer will be invalid outside this expression
help: assign the `CString` to a variable to extend its lifetime
  --> $DIR/cstring.rs:22:22
   |
LL |         unsafe { foo(cstr.unwrap().as_ptr()) }
   |                      ^^^^^^^^^^^^^

error: aborting due to 3 previous errors