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[INFO] [stdout] warning: struct `ExpressionConfig` is never constructed
[INFO] [stdout]  --> src/range_check/expression_check.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 | struct ExpressionConfig<F: PrimeField> {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `configure` and `assign` are never used
[INFO] [stdout]   --> src/range_check/expression_check.rs:16:8
[INFO] [stdout]    |
[INFO] [stdout] 15 | impl<F: PrimeField> ExpressionConfig<F> {
[INFO] [stdout]    | --------------------------------------- associated items in this implementation
[INFO] [stdout] 16 |     fn configure(meta: &mut ConstraintSystem<F>, value: Column<Advice>, range: usize) -> Self {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 40 |     fn assign(&self, mut layouter: impl Layouter<F>, value: Value<Assigned<F>>) -> Result<(), Error> {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ExpressionConfig` is never constructed
[INFO] [stdout]   --> src/range_check/lookup.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | struct ExpressionConfig<F: PrimeField> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `configure` and `assign` are never used
[INFO] [stdout]   --> src/range_check/lookup.rs:21:8
[INFO] [stdout]    |
[INFO] [stdout] 20 | impl<F: PrimeField> ExpressionConfig<F> {
[INFO] [stdout]    | --------------------------------------- associated items in this implementation
[INFO] [stdout] 21 |     fn configure(meta: &mut ConstraintSystem<F>, value: Column<Advice>, range: usize, lookup_range: usize) -> Self {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 61 |     fn assign(&self, mut layouter: impl Layouter<F>, value: Value<Assigned<F>>, range: usize) -> Result<(), Error> {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `RangeCheckTable` is never constructed
[INFO] [stdout]  --> src/range_check/lookup/table.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct RangeCheckTable<F: PrimeField> {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `RangeCheckTable` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `configure` and `load` are never used
[INFO] [stdout]   --> src/range_check/lookup/table.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl<F: PrimeField> RangeCheckTable<F> {
[INFO] [stdout]    | -------------------------------------- associated items in this implementation
[INFO] [stdout] 14 |     pub fn configure(meta: &mut ConstraintSystem<F>, lookup_range: usize) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 24 |     pub fn load(&self, mut layouter: impl Layouter<F>)-> Result<(), Error> {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `RangeCheckConfig` is never constructed
[INFO] [stdout]   --> src/range_check/lookup_with_bits.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct RangeCheckConfig<F: PrimeField> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `RangeCheckConfig` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `configure` and `assign` are never used
[INFO] [stdout]   --> src/range_check/lookup_with_bits.rs:22:8
[INFO] [stdout]    |
[INFO] [stdout] 21 | impl<F: PrimeField> RangeCheckConfig<F> {
[INFO] [stdout]    | --------------------------------------- associated items in this implementation
[INFO] [stdout] 22 |     fn configure(
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 77 |     fn assign(
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `DecomposeConfig` is never constructed
[INFO] [stdout]   --> src/range_check/decompose.rs:49:8
[INFO] [stdout]    |
[INFO] [stdout] 49 | struct DecomposeConfig<F: PrimeField> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `configure`, `bits_to_u64_little_endian`, and `assign` are never used
[INFO] [stdout]    --> src/range_check/decompose.rs:63:8
[INFO] [stdout]     |
[INFO] [stdout] 62  | impl<F: PrimeField + PrimeFieldBits> DecomposeConfig<F> {
[INFO] [stdout]     | ------------------------------------------------------- associated items in this implementation
[INFO] [stdout] 63  |     fn configure(meta: &mut ConstraintSystem<F>, running_sum: Column<Advice>, c_i_bits: Column<Advice>, lookup_bits: usize) -> Self {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 99  |     fn bits_to_u64_little_endian(bits: &[bool]) -> u64 {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 106 |     fn assign(
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `constant`
[INFO] [stdout]    --> src/bin/simple_ex.rs:183:13
[INFO] [stdout]     |
[INFO] [stdout] 183 |         let constant = chip.load_constant(layouter.namespace(|| "load constant"), self.constant)?;
[INFO] [stdout]     |             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_constant`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `constant`
[INFO] [stdout]    --> src/bin/simple_ex.rs:183:13
[INFO] [stdout]     |
[INFO] [stdout] 183 |         let constant = chip.load_constant(layouter.namespace(|| "load constant"), self.constant)?;
[INFO] [stdout]     |             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_constant`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `constant`
[INFO] [stdout]    --> src/bin/simple_ex.rs:183:13
[INFO] [stdout]     |
[INFO] [stdout] 183 |         let constant = chip.load_constant(layouter.namespace(|| "load constant"), self.constant)?;
[INFO] [stdout]     |             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_constant`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]    --> src/bin/simple_ex.rs:192:4
[INFO] [stdout]     |
[INFO] [stdout] 192 | fn main() {
[INFO] [stdout]     |    ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `constant`
[INFO] [stdout]    --> src/bin/simple_ex.rs:183:13
[INFO] [stdout]     |
[INFO] [stdout] 183 |         let constant = chip.load_constant(layouter.namespace(|| "load constant"), self.constant)?;
[INFO] [stdout]     |             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_constant`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]    --> src/bin/simple_ex.rs:192:4
[INFO] [stdout]     |
[INFO] [stdout] 192 | fn main() {
[INFO] [stdout]     |    ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.58s
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