error: `dbg!` macro is intended as a debugging tool
  --> $DIR/dbg_macro.rs:4:22
   |
LL |     if let Some(n) = dbg!(n.checked_sub(4)) {
   |                      ^^^^^^^^^^^^^^^^^^^^^^
   |
   = note: `-D clippy::dbg-macro` implied by `-D warnings`
help: ensure to avoid having uses of it in version control
   |
LL |     if let Some(n) = n.checked_sub(4) {
   |                      ^^^^^^^^^^^^^^^^

error: `dbg!` macro is intended as a debugging tool
  --> $DIR/dbg_macro.rs:12:8
   |
LL |     if dbg!(n <= 1) {
   |        ^^^^^^^^^^^^
help: ensure to avoid having uses of it in version control
   |
LL |     if n <= 1 {
   |        ^^^^^^

error: `dbg!` macro is intended as a debugging tool
  --> $DIR/dbg_macro.rs:13:9
   |
LL |         dbg!(1)
   |         ^^^^^^^
help: ensure to avoid having uses of it in version control
   |
LL |         1
   |

error: `dbg!` macro is intended as a debugging tool
  --> $DIR/dbg_macro.rs:15:9
   |
LL |         dbg!(n * factorial(n - 1))
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
help: ensure to avoid having uses of it in version control
   |
LL |         n * factorial(n - 1)
   |

error: `dbg!` macro is intended as a debugging tool
  --> $DIR/dbg_macro.rs:20:5
   |
LL |     dbg!(42);
   |     ^^^^^^^^
help: ensure to avoid having uses of it in version control
   |
LL |     42;
   |     ^^

error: `dbg!` macro is intended as a debugging tool
  --> $DIR/dbg_macro.rs:21:5
   |
LL |     dbg!(dbg!(dbg!(42)));
   |     ^^^^^^^^^^^^^^^^^^^^
help: ensure to avoid having uses of it in version control
   |
LL |     dbg!(dbg!(42));
   |     ^^^^^^^^^^^^^^

error: `dbg!` macro is intended as a debugging tool
  --> $DIR/dbg_macro.rs:22:14
   |
LL |     foo(3) + dbg!(factorial(4));
   |              ^^^^^^^^^^^^^^^^^^
help: ensure to avoid having uses of it in version control
   |
LL |     foo(3) + factorial(4);
   |              ^^^^^^^^^^^^

error: aborting due to 7 previous errors