error: Closure called just once immediately after it was declared
  --> $DIR/redundant_closure_call.rs:18:2
   |
18 | \ti = closure();
   | \t^^^^^^^^^^^^^
   |
note: lint level defined here
  --> $DIR/redundant_closure_call.rs:4:9
   |
4  | #![deny(redundant_closure_call)]
   |         ^^^^^^^^^^^^^^^^^^^^^^

error: Closure called just once immediately after it was declared
  --> $DIR/redundant_closure_call.rs:21:2
   |
21 | \ti = closure(3);
   | \t^^^^^^^^^^^^^^

error: Try not to call a closure in the expression where it is declared.
 --> $DIR/redundant_closure_call.rs:7:10
  |
7 | \tlet a = (|| 42)();
  | \t        ^^^^^^^^^ help: Try doing something like:  `42`

error: Try not to call a closure in the expression where it is declared.
  --> $DIR/redundant_closure_call.rs:13:10
   |
13 | \tlet k = (|m| m+1)(i);
   | \t        ^^^^^^^^^^^^

error: Try not to call a closure in the expression where it is declared.
  --> $DIR/redundant_closure_call.rs:15:6
   |
15 | \tk = (|a,b| a*b)(1,5);
   | \t    ^^^^^^^^^^^^^^^^

error: aborting due to 5 previous errors