error: unnecessary use of `splitn`
  --> tests/ui/needless_splitn.rs:13:13
   |
LL |     let _ = str.splitn(2, '=').next();
   |             ^^^^^^^^^^^^^^^^^^ help: try: `str.split('=')`
   |
   = note: `-D clippy::needless-splitn` implied by `-D warnings`
   = help: to override `-D warnings` add `#[allow(clippy::needless_splitn)]`

error: unnecessary use of `splitn`
  --> tests/ui/needless_splitn.rs:14:13
   |
LL |     let _ = str.splitn(2, '=').nth(0);
   |             ^^^^^^^^^^^^^^^^^^ help: try: `str.split('=')`

error: unnecessary use of `splitn`
  --> tests/ui/needless_splitn.rs:17:18
   |
LL |     let (_, _) = str.splitn(3, '=').next_tuple().unwrap();
   |                  ^^^^^^^^^^^^^^^^^^ help: try: `str.split('=')`

error: unnecessary use of `rsplitn`
  --> tests/ui/needless_splitn.rs:20:13
   |
LL |     let _ = str.rsplitn(2, '=').next();
   |             ^^^^^^^^^^^^^^^^^^^ help: try: `str.rsplit('=')`

error: unnecessary use of `rsplitn`
  --> tests/ui/needless_splitn.rs:21:13
   |
LL |     let _ = str.rsplitn(2, '=').nth(0);
   |             ^^^^^^^^^^^^^^^^^^^ help: try: `str.rsplit('=')`

error: unnecessary use of `rsplitn`
  --> tests/ui/needless_splitn.rs:24:18
   |
LL |     let (_, _) = str.rsplitn(3, '=').next_tuple().unwrap();
   |                  ^^^^^^^^^^^^^^^^^^^ help: try: `str.rsplit('=')`

error: unnecessary use of `splitn`
  --> tests/ui/needless_splitn.rs:26:13
   |
LL |     let _ = str.splitn(5, '=').next();
   |             ^^^^^^^^^^^^^^^^^^ help: try: `str.split('=')`

error: unnecessary use of `splitn`
  --> tests/ui/needless_splitn.rs:27:13
   |
LL |     let _ = str.splitn(5, '=').nth(3);
   |             ^^^^^^^^^^^^^^^^^^ help: try: `str.split('=')`

error: unnecessary use of `splitn`
  --> tests/ui/needless_splitn.rs:33:13
   |
LL |     let _ = s.splitn(2, '=').next()?;
   |             ^^^^^^^^^^^^^^^^ help: try: `s.split('=')`

error: unnecessary use of `splitn`
  --> tests/ui/needless_splitn.rs:34:13
   |
LL |     let _ = s.splitn(2, '=').nth(0)?;
   |             ^^^^^^^^^^^^^^^^ help: try: `s.split('=')`

error: unnecessary use of `rsplitn`
  --> tests/ui/needless_splitn.rs:35:13
   |
LL |     let _ = s.rsplitn(2, '=').next()?;
   |             ^^^^^^^^^^^^^^^^^ help: try: `s.rsplit('=')`

error: unnecessary use of `rsplitn`
  --> tests/ui/needless_splitn.rs:36:13
   |
LL |     let _ = s.rsplitn(2, '=').nth(0)?;
   |             ^^^^^^^^^^^^^^^^^ help: try: `s.rsplit('=')`

error: unnecessary use of `splitn`
  --> tests/ui/needless_splitn.rs:44:13
   |
LL |     let _ = "key=value".splitn(2, '=').nth(0).unwrap();
   |             ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `"key=value".split('=')`

error: aborting due to 13 previous errors