error: explicit lifetimes given in parameter types where they could be elided
 --> $DIR/lifetimes.rs:7:1
  |
7 | fn distinct_lifetimes<'a, 'b>(_x: &'a u8, _y: &'b u8, _z: u8) { }
  | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  |
note: lint level defined here
 --> $DIR/lifetimes.rs:4:9
  |
4 | #![deny(needless_lifetimes, unused_lifetimes)]
  |         ^^^^^^^^^^^^^^^^^^

error: explicit lifetimes given in parameter types where they could be elided
  --> $DIR/lifetimes.rs:10:1
   |
10 | fn distinct_and_static<'a, 'b>(_x: &'a u8, _y: &'b u8, _z: &'static u8) { }
   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: explicit lifetimes given in parameter types where they could be elided
  --> $DIR/lifetimes.rs:19:1
   |
19 | fn in_and_out<'a>(x: &'a u8, _y: u8) -> &'a u8 { x }
   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: explicit lifetimes given in parameter types where they could be elided
  --> $DIR/lifetimes.rs:32:1
   |
32 | fn deep_reference_3<'a>(x: &'a u8, _y: u8) -> Result<&'a u8, ()> { Ok(x) }
   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: explicit lifetimes given in parameter types where they could be elided
  --> $DIR/lifetimes.rs:36:1
   |
36 | fn where_clause_without_lt<'a, T>(x: &'a u8, _y: u8) -> Result<&'a u8, ()> where T: Copy { Ok(x) }
   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: explicit lifetimes given in parameter types where they could be elided
  --> $DIR/lifetimes.rs:43:1
   |
43 | fn lifetime_param_2<'a, 'b>(_x: Ref<'a>, _y: &'b u8) { }
   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: explicit lifetimes given in parameter types where they could be elided
  --> $DIR/lifetimes.rs:58:1
   |
58 |   fn fn_bound_2<'a, F, I>(_m: Lt<'a, I>, _f: F) -> Lt<'a, I>
   |  _^ starting here...
59 | |     where for<'x> F: Fn(Lt<'x, I>) -> Lt<'x, I>
60 | | { unreachable!() }
   | |__________________^ ...ending here

error: explicit lifetimes given in parameter types where they could be elided
  --> $DIR/lifetimes.rs:67:5
   |
67 |     fn self_and_out<'s>(&'s self) -> &'s u8 { &self.x }
   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: explicit lifetimes given in parameter types where they could be elided
  --> $DIR/lifetimes.rs:72:5
   |
72 |     fn distinct_self_and_in<'s, 't>(&'s self, _x: &'t u8) { }
   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: explicit lifetimes given in parameter types where they could be elided
  --> $DIR/lifetimes.rs:89:1
   |
89 | fn struct_with_lt<'a>(_foo: Foo<'a>) -> &'a str { unimplemented!() }
   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: explicit lifetimes given in parameter types where they could be elided
   --> $DIR/lifetimes.rs:109:1
    |
109 | fn trait_obj_elided2<'a>(_arg: &'a Drop) -> &'a str { unimplemented!() }
    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: explicit lifetimes given in parameter types where they could be elided
   --> $DIR/lifetimes.rs:113:1
    |
113 | fn alias_with_lt<'a>(_foo: FooAlias<'a>) -> &'a str { unimplemented!() }
    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: explicit lifetimes given in parameter types where they could be elided
   --> $DIR/lifetimes.rs:124:1
    |
124 | fn named_input_elided_output<'a>(_arg: &'a str) -> &str { unimplemented!() }
    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: explicit lifetimes given in parameter types where they could be elided
   --> $DIR/lifetimes.rs:128:1
    |
128 | fn trait_bound_ok<'a, T: WithLifetime<'static>>(_: &'a u8, _: T) { unimplemented!() }
    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: aborting due to 14 previous errors