warning: any use of this value will cause an error
  --> $DIR/force-deny-by-default-lint.rs:4:16
   |
LL | const C: i32 = 1 / 0;
   | ---------------^^^^^-
   |                |
   |                attempt to divide `1_i32` by zero
   |
   = note: warning forced by `force-warns` commandline option
   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
   = note: for more information, see issue #71800 <https://github.com/rust-lang/rust/issues/71800>

warning: 1 warning emitted