error: use of a disallowed method `regex::Regex::new`
  --> $DIR/conf_disallowed_methods.rs:7:14
   |
LL |     let re = Regex::new(r"ab.*c").unwrap();
   |              ^^^^^^^^^^^^^^^^^^^^
   |
   = note: `-D clippy::disallowed-methods` implied by `-D warnings`

error: use of a disallowed method `regex::Regex::is_match`
  --> $DIR/conf_disallowed_methods.rs:8:5
   |
LL |     re.is_match("abc");
   |     ^^^^^^^^^^^^^^^^^^
   |
   = note: no matching allowed (from clippy.toml)

error: use of a disallowed method `std::iter::Iterator::sum`
  --> $DIR/conf_disallowed_methods.rs:11:5
   |
LL |     a.iter().sum::<i32>();
   |     ^^^^^^^^^^^^^^^^^^^^^

error: use of a disallowed method `slice::sort_unstable`
  --> $DIR/conf_disallowed_methods.rs:13:5
   |
LL |     a.sort_unstable();
   |     ^^^^^^^^^^^^^^^^^

error: use of a disallowed method `f32::clamp`
  --> $DIR/conf_disallowed_methods.rs:15:13
   |
LL |     let _ = 2.0f32.clamp(3.0f32, 4.0f32);
   |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: aborting due to 5 previous errors