Warning: Source file does not specify required compiler version!
--> message_format/input.sol

Warning: Unused local variable.
 --> message_format/input.sol:9:27:
  |
9 |     function f() public { int x; }
  |                           ^^^^^

Warning: Unused local variable.
  --> message_format/input.sol:10:27:
   |
10 |     function g() public { int x; }
   |                           ^^^^^

Warning: Unused local variable.
  --> message_format/input.sol:99:14:
   |
99 |         /**/ int a; /**/
   |              ^^^^^

Warning: Unused local variable.
   --> message_format/input.sol:100:14:
    |
100 |         /**/ int b; /**/
    |              ^^^^^

Warning: Unused local variable.
   --> message_format/input.sol:101:14:
    |
101 |         /**/ int c; /**/
    |              ^^^^^

Warning: Function state mutability can be restricted to pure
 --> message_format/input.sol:9:5:
  |
9 |     function f() public { int x; }
  |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

Warning: Function state mutability can be restricted to pure
  --> message_format/input.sol:10:5:
   |
10 |     function g() public { int x; }
   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

Warning: Function state mutability can be restricted to pure
  --> message_format/input.sol:11:5:
   |
11 |     function h() public {
   |     ^ (Relevant source part starts here and spans across multiple lines).