error: casting function pointer `foo` to `i8`, which truncates the value
  --> tests/ui/fn_to_numeric_cast.rs:10:13
   |
LL |     let _ = foo as i8;
   |             ^^^^^^^^^ help: try: `foo as usize`
   |
   = note: `-D clippy::fn-to-numeric-cast-with-truncation` implied by `-D warnings`
   = help: to override `-D warnings` add `#[allow(clippy::fn_to_numeric_cast_with_truncation)]`

error: casting function pointer `foo` to `i16`, which truncates the value
  --> tests/ui/fn_to_numeric_cast.rs:11:13
   |
LL |     let _ = foo as i16;
   |             ^^^^^^^^^^ help: try: `foo as usize`

error: casting function pointer `foo` to `i32`, which truncates the value
  --> tests/ui/fn_to_numeric_cast.rs:12:13
   |
LL |     let _ = foo as i32;
   |             ^^^^^^^^^^ help: try: `foo as usize`

error: casting function pointer `foo` to `i64`
  --> tests/ui/fn_to_numeric_cast.rs:13:13
   |
LL |     let _ = foo as i64;
   |             ^^^^^^^^^^ help: try: `foo as usize`
   |
   = note: `-D clippy::fn-to-numeric-cast` implied by `-D warnings`
   = help: to override `-D warnings` add `#[allow(clippy::fn_to_numeric_cast)]`

error: casting function pointer `foo` to `i128`
  --> tests/ui/fn_to_numeric_cast.rs:14:13
   |
LL |     let _ = foo as i128;
   |             ^^^^^^^^^^^ help: try: `foo as usize`

error: casting function pointer `foo` to `isize`
  --> tests/ui/fn_to_numeric_cast.rs:15:13
   |
LL |     let _ = foo as isize;
   |             ^^^^^^^^^^^^ help: try: `foo as usize`

error: casting function pointer `foo` to `u8`, which truncates the value
  --> tests/ui/fn_to_numeric_cast.rs:17:13
   |
LL |     let _ = foo as u8;
   |             ^^^^^^^^^ help: try: `foo as usize`

error: casting function pointer `foo` to `u16`, which truncates the value
  --> tests/ui/fn_to_numeric_cast.rs:18:13
   |
LL |     let _ = foo as u16;
   |             ^^^^^^^^^^ help: try: `foo as usize`

error: casting function pointer `foo` to `u32`, which truncates the value
  --> tests/ui/fn_to_numeric_cast.rs:19:13
   |
LL |     let _ = foo as u32;
   |             ^^^^^^^^^^ help: try: `foo as usize`

error: casting function pointer `foo` to `u64`
  --> tests/ui/fn_to_numeric_cast.rs:20:13
   |
LL |     let _ = foo as u64;
   |             ^^^^^^^^^^ help: try: `foo as usize`

error: casting function pointer `foo` to `u128`
  --> tests/ui/fn_to_numeric_cast.rs:21:13
   |
LL |     let _ = foo as u128;
   |             ^^^^^^^^^^^ help: try: `foo as usize`

error: casting function pointer `abc` to `i8`, which truncates the value
  --> tests/ui/fn_to_numeric_cast.rs:34:13
   |
LL |     let _ = abc as i8;
   |             ^^^^^^^^^ help: try: `abc as usize`

error: casting function pointer `abc` to `i16`, which truncates the value
  --> tests/ui/fn_to_numeric_cast.rs:35:13
   |
LL |     let _ = abc as i16;
   |             ^^^^^^^^^^ help: try: `abc as usize`

error: casting function pointer `abc` to `i32`, which truncates the value
  --> tests/ui/fn_to_numeric_cast.rs:36:13
   |
LL |     let _ = abc as i32;
   |             ^^^^^^^^^^ help: try: `abc as usize`

error: casting function pointer `abc` to `i64`
  --> tests/ui/fn_to_numeric_cast.rs:37:13
   |
LL |     let _ = abc as i64;
   |             ^^^^^^^^^^ help: try: `abc as usize`

error: casting function pointer `abc` to `i128`
  --> tests/ui/fn_to_numeric_cast.rs:38:13
   |
LL |     let _ = abc as i128;
   |             ^^^^^^^^^^^ help: try: `abc as usize`

error: casting function pointer `abc` to `isize`
  --> tests/ui/fn_to_numeric_cast.rs:39:13
   |
LL |     let _ = abc as isize;
   |             ^^^^^^^^^^^^ help: try: `abc as usize`

error: casting function pointer `abc` to `u8`, which truncates the value
  --> tests/ui/fn_to_numeric_cast.rs:41:13
   |
LL |     let _ = abc as u8;
   |             ^^^^^^^^^ help: try: `abc as usize`

error: casting function pointer `abc` to `u16`, which truncates the value
  --> tests/ui/fn_to_numeric_cast.rs:42:13
   |
LL |     let _ = abc as u16;
   |             ^^^^^^^^^^ help: try: `abc as usize`

error: casting function pointer `abc` to `u32`, which truncates the value
  --> tests/ui/fn_to_numeric_cast.rs:43:13
   |
LL |     let _ = abc as u32;
   |             ^^^^^^^^^^ help: try: `abc as usize`

error: casting function pointer `abc` to `u64`
  --> tests/ui/fn_to_numeric_cast.rs:44:13
   |
LL |     let _ = abc as u64;
   |             ^^^^^^^^^^ help: try: `abc as usize`

error: casting function pointer `abc` to `u128`
  --> tests/ui/fn_to_numeric_cast.rs:45:13
   |
LL |     let _ = abc as u128;
   |             ^^^^^^^^^^^ help: try: `abc as usize`

error: casting function pointer `f` to `i32`, which truncates the value
  --> tests/ui/fn_to_numeric_cast.rs:52:5
   |
LL |     f as i32
   |     ^^^^^^^^ help: try: `f as usize`

error: aborting due to 23 previous errors