error: usage of `HashSet::insert` after `HashSet::contains`
  --> tests/ui/set_contains_or_insert.rs:18:13
   |
LL |     if !set.contains(&value) {
   |             ^^^^^^^^^^^^^^^^
LL |         set.insert(value);
   |             ^^^^^^^^^^^^^
   |
   = note: `-D clippy::set-contains-or-insert` implied by `-D warnings`
   = help: to override `-D warnings` add `#[allow(clippy::set_contains_or_insert)]`

error: usage of `HashSet::insert` after `HashSet::contains`
  --> tests/ui/set_contains_or_insert.rs:23:12
   |
LL |     if set.contains(&value) {
   |            ^^^^^^^^^^^^^^^^
LL |         set.insert(value);
   |             ^^^^^^^^^^^^^

error: usage of `HashSet::insert` after `HashSet::contains`
  --> tests/ui/set_contains_or_insert.rs:28:13
   |
LL |     if !set.contains(&value) {
   |             ^^^^^^^^^^^^^^^^
LL |         set.insert(value);
   |             ^^^^^^^^^^^^^

error: usage of `HashSet::insert` after `HashSet::contains`
  --> tests/ui/set_contains_or_insert.rs:32:14
   |
LL |     if !!set.contains(&value) {
   |              ^^^^^^^^^^^^^^^^
LL |         set.insert(value);
   |             ^^^^^^^^^^^^^

error: usage of `HashSet::insert` after `HashSet::contains`
  --> tests/ui/set_contains_or_insert.rs:37:15
   |
LL |     if (&set).contains(&value) {
   |               ^^^^^^^^^^^^^^^^
LL |         set.insert(value);
   |             ^^^^^^^^^^^^^

error: usage of `HashSet::insert` after `HashSet::contains`
  --> tests/ui/set_contains_or_insert.rs:42:13
   |
LL |     if !set.contains(borrow_value) {
   |             ^^^^^^^^^^^^^^^^^^^^^^
LL |         set.insert(*borrow_value);
   |             ^^^^^^^^^^^^^^^^^^^^^

error: usage of `HashSet::insert` after `HashSet::contains`
  --> tests/ui/set_contains_or_insert.rs:47:20
   |
LL |     if !borrow_set.contains(&value) {
   |                    ^^^^^^^^^^^^^^^^
LL |         borrow_set.insert(value);
   |                    ^^^^^^^^^^^^^

error: aborting due to 7 previous errors