[INFO] cloning repository https://github.com/SwaroopReddyBasireddy/halo2-examples
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[INFO] checking SwaroopReddyBasireddy/halo2-examples against a5689b034ad287112f709693384a37f1377eb9cc for pr-129249-3
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[INFO] validating manifest of git repo https://github.com/SwaroopReddyBasireddy/halo2-examples on toolchain a5689b034ad287112f709693384a37f1377eb9cc
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[INFO] crate git repo https://github.com/SwaroopReddyBasireddy/halo2-examples already has a lockfile, it will not be regenerated
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[INFO] [stderr]    Compiling libc v0.2.155
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]    Compiling radium v0.7.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.20
[INFO] [stderr]     Checking tap v1.0.1
[INFO] [stderr]     Checking funty v2.0.0
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]     Checking arrayref v0.3.8
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[INFO] [stderr]     Checking constant_time_eq v0.3.0
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[INFO] [stderr]     Checking tracing-core v0.1.32
[INFO] [stderr]     Checking pin-project-lite v0.2.14
[INFO] [stderr]     Checking halo2 v0.0.0
[INFO] [stderr]     Checking wyz v0.5.1
[INFO] [stderr]     Checking blake2b_simd v1.0.2
[INFO] [stderr]     Checking bitvec v1.0.1
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[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking ff v0.13.0
[INFO] [stderr]     Checking group v0.13.0
[INFO] [stderr]     Checking rayon v1.10.0
[INFO] [stderr]     Checking ff v0.12.1
[INFO] [stderr]     Checking group v0.12.1
[INFO] [stderr]     Checking pasta_curves v0.4.1
[INFO] [stderr]    Compiling tracing-attributes v0.1.27
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking halo2_proofs v0.2.0
[INFO] [stderr]     Checking gadget v0.1.0 (/opt/rustwide/workdir/gadget/IsZero)
[INFO] [stderr]     Checking fibonacci v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `group::ff::Field`
[INFO] [stdout]  --> src/arithmetic/example2.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use group::ff::Field;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::env`
[INFO] [stdout]  --> src/arithmetic/example3.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::env;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `group::ff::Field`
[INFO] [stdout]  --> src/arithmetic/example3.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use group::ff::Field;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `AssignedCell`
[INFO] [stdout]  --> src/arithmetic/example3.rs:4:29
[INFO] [stdout]   |
[INFO] [stdout] 4 | use halo2_proofs::circuit::{AssignedCell, Value};
[INFO] [stdout]   |                             ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]    --> src/arithmetic/example3.rs:236:65
[INFO] [stdout]     |
[INFO] [stdout] 236 |                     config.constant.clone(), 2, || Value::known((F::from(5))))?;
[INFO] [stdout]     |                                                                 ^          ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 236 -                     config.constant.clone(), 2, || Value::known((F::from(5))))?;
[INFO] [stdout] 236 +                     config.constant.clone(), 2, || Value::known(F::from(5)))?;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `*`, `plonk::*`, `poly::Rotation`, and `self`
[INFO] [stdout]   --> src/range_check/example1.rs:74:41
[INFO] [stdout]    |
[INFO] [stdout] 74 | ...dExt, circuit::{self, *}, dev::{FailureLocation, MockProver, VerifyFailure}, pasta::Fp, plonk::*, poly::Rotation
[INFO] [stdout]    |                    ^^^^  ^                                                                 ^^^^^^^^  ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `group::ff::Field`
[INFO] [stdout]  --> src/arithmetic/example2.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use group::ff::Field;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::env`
[INFO] [stdout]  --> src/arithmetic/example3.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::env;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `group::ff::Field`
[INFO] [stdout]  --> src/arithmetic/example3.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use group::ff::Field;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `AssignedCell`
[INFO] [stdout]  --> src/arithmetic/example3.rs:4:29
[INFO] [stdout]   |
[INFO] [stdout] 4 | use halo2_proofs::circuit::{AssignedCell, Value};
[INFO] [stdout]   |                             ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]    --> src/arithmetic/example3.rs:236:65
[INFO] [stdout]     |
[INFO] [stdout] 236 |                     config.constant.clone(), 2, || Value::known((F::from(5))))?;
[INFO] [stdout]     |                                                                 ^          ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 236 -                     config.constant.clone(), 2, || Value::known((F::from(5))))?;
[INFO] [stdout] 236 +                     config.constant.clone(), 2, || Value::known(F::from(5)))?;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]    --> src/arithmetic/example2.rs:209:57
[INFO] [stdout]     |
[INFO] [stdout] 209 |     fn load_private(&self, _layouter: impl Layouter<F>, a: Cell) -> Result<Cell, Error> {
[INFO] [stdout]     |                                                         ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `layouter`
[INFO] [stdout]    --> src/arithmetic/example2.rs:213:29
[INFO] [stdout]     |
[INFO] [stdout] 213 |     fn load_constant(&self, layouter: impl Layouter<F>, constant: F) -> Result<Cell, Error> {
[INFO] [stdout]     |                             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_layouter`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `constant`
[INFO] [stdout]    --> src/arithmetic/example2.rs:213:57
[INFO] [stdout]     |
[INFO] [stdout] 213 |     fn load_constant(&self, layouter: impl Layouter<F>, constant: F) -> Result<Cell, Error> {
[INFO] [stdout]     |                                                         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_constant`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a0`
[INFO] [stdout]    --> src/arithmetic/example2.rs:311:14
[INFO] [stdout]     |
[INFO] [stdout] 311 |         let (a0, b0, c0) = arith_chip.raw_multiply(&mut layouter,  || x.map(|x| (x,x,x*x)))?;
[INFO] [stdout]     |              ^^ help: if this is intentional, prefix it with an underscore: `_a0`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b0`
[INFO] [stdout]    --> src/arithmetic/example2.rs:311:18
[INFO] [stdout]     |
[INFO] [stdout] 311 |         let (a0, b0, c0) = arith_chip.raw_multiply(&mut layouter,  || x.map(|x| (x,x,x*x)))?;
[INFO] [stdout]     |                  ^^ help: if this is intentional, prefix it with an underscore: `_b0`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c0`
[INFO] [stdout]    --> src/arithmetic/example2.rs:311:22
[INFO] [stdout]     |
[INFO] [stdout] 311 |         let (a0, b0, c0) = arith_chip.raw_multiply(&mut layouter,  || x.map(|x| (x,x,x*x)))?;
[INFO] [stdout]     |                      ^^ help: if this is intentional, prefix it with an underscore: `_c0`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a1`
[INFO] [stdout]    --> src/arithmetic/example2.rs:314:14
[INFO] [stdout]     |
[INFO] [stdout] 314 |         let (a1, b1, _c1) = arith_chip.raw_multiply(&mut layouter, || y.map(|y| (y,y,y*y)))?;
[INFO] [stdout]     |              ^^ help: if this is intentional, prefix it with an underscore: `_a1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b1`
[INFO] [stdout]    --> src/arithmetic/example2.rs:314:18
[INFO] [stdout]     |
[INFO] [stdout] 314 |         let (a1, b1, _c1) = arith_chip.raw_multiply(&mut layouter, || y.map(|y| (y,y,y*y)))?;
[INFO] [stdout]     |                  ^^ help: if this is intentional, prefix it with an underscore: `_b1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `constant`
[INFO] [stdout]    --> src/arithmetic/example3.rs:283:9
[INFO] [stdout]     |
[INFO] [stdout] 283 |     let constant = Fp::from(7);
[INFO] [stdout]     |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_constant`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `FunctionConfig` is never constructed
[INFO] [stdout]  --> src/example_iszero.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 | struct FunctionConfig<F: FieldExt> {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `FunctionChip` is never constructed
[INFO] [stdout]   --> src/example_iszero.rs:18:8
[INFO] [stdout]    |
[INFO] [stdout] 18 | struct FunctionChip<F: FieldExt> {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `construct`, `configure`, and `assign` are never used
[INFO] [stdout]   --> src/example_iszero.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 22 | impl <F: FieldExt> FunctionChip<F> {
[INFO] [stdout]    | ---------------------------------- associated items in this implementation
[INFO] [stdout] 23 |     pub fn construct (config: FunctionConfig<F>) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 27 |     pub fn configure(meta: &mut ConstraintSystem<F>) -> FunctionConfig<F>{
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 66 |     pub fn assign(
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `FunctionCircuit` is never constructed
[INFO] [stdout]   --> src/example_iszero.rs:96:8
[INFO] [stdout]    |
[INFO] [stdout] 96 | struct FunctionCircuit<F> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]    --> src/example_iszero.rs:123:4
[INFO] [stdout]     |
[INFO] [stdout] 123 | fn main() {
[INFO] [stdout]     |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `RnageCheckConfig` is never constructed
[INFO] [stdout]   --> src/range_check/example1.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | struct RnageCheckConfig<F: FieldExt, const RANGE: usize> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `configure` and `assign` are never used
[INFO] [stdout]   --> src/range_check/example1.rs:20:8
[INFO] [stdout]    |
[INFO] [stdout] 19 | impl <F: FieldExt, const RANGE: usize> RnageCheckConfig<F, RANGE> {        
[INFO] [stdout]    | ----------------------------------------------------------------- associated items in this implementation
[INFO] [stdout] 20 |     fn configure(
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 53 |     fn assign(
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ACell` is never constructed
[INFO] [stdout]  --> src/arithmetic/example1.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | struct ACell<F: FieldExt>(AssignedCell<F, F>);
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ArithmeticConfig` is never constructed
[INFO] [stdout]   --> src/arithmetic/example1.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | struct ArithmeticConfig {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ArithmeticChip` is never constructed
[INFO] [stdout]   --> src/arithmetic/example1.rs:18:8
[INFO] [stdout]    |
[INFO] [stdout] 18 | struct ArithmeticChip<F: FieldExt> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `construct`, `configure`, `assign_add`, `assign_mul`, and `expose_public` are never used
[INFO] [stdout]    --> src/arithmetic/example1.rs:24:12
[INFO] [stdout]     |
[INFO] [stdout]  23 | impl<F: FieldExt>  ArithmeticChip<F>{
[INFO] [stdout]     | ------------------------------------ associated items in this implementation
[INFO] [stdout]  24 |     pub fn construct(config: ArithmeticConfig) -> Self {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  28 |     pub fn configure(
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  81 |     pub fn assign_add (
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 118 |     pub fn assign_mul (
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 156 |     pub fn expose_public(
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ArithmeticCircuit` is never constructed
[INFO] [stdout]    --> src/arithmetic/example1.rs:168:8
[INFO] [stdout]     |
[INFO] [stdout] 168 | struct ArithmeticCircuit<F> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]    --> src/arithmetic/example1.rs:218:4
[INFO] [stdout]     |
[INFO] [stdout] 218 | fn main() {
[INFO] [stdout]     |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `ArithmeticInstructions` is never used
[INFO] [stdout]   --> src/arithmetic/example2.rs:13:7
[INFO] [stdout]    |
[INFO] [stdout] 13 | trait ArithmeticInstructions<F: FieldExt> {
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ArithmeticConfig` is never constructed
[INFO] [stdout]   --> src/arithmetic/example2.rs:73:8
[INFO] [stdout]    |
[INFO] [stdout] 73 | struct ArithmeticConfig {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ArithmeticChip` is never constructed
[INFO] [stdout]   --> src/arithmetic/example2.rs:92:8
[INFO] [stdout]    |
[INFO] [stdout] 92 | struct ArithmeticChip<F: FieldExt> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `construct` is never used
[INFO] [stdout]   --> src/arithmetic/example2.rs:97:8
[INFO] [stdout]    |
[INFO] [stdout] 96 | impl<F: FieldExt> ArithmeticChip<F> {
[INFO] [stdout]    | ----------------------------------- associated function in this implementation
[INFO] [stdout] 97 |     fn construct(config: ArithmeticConfig) -> Self {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Number` is never constructed
[INFO] [stdout]    --> src/arithmetic/example2.rs:119:8
[INFO] [stdout]     |
[INFO] [stdout] 119 | struct Number<F: FieldExt>(AssignedCell<F, F>);
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ArithmeticCircuit` is never constructed
[INFO] [stdout]    --> src/arithmetic/example2.rs:238:8
[INFO] [stdout]     |
[INFO] [stdout] 238 | struct ArithmeticCircuit<F: FieldExt> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]    --> src/arithmetic/example2.rs:324:8
[INFO] [stdout]     |
[INFO] [stdout] 324 |     fn main() {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ArithmeticConfig` is never constructed
[INFO] [stdout]   --> src/arithmetic/example3.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 14 | struct ArithmeticConfig {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ArithmeticChip` is never constructed
[INFO] [stdout]   --> src/arithmetic/example3.rs:26:8
[INFO] [stdout]    |
[INFO] [stdout] 26 | struct ArithmeticChip<F: FieldExt> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `construct` and `configure` are never used
[INFO] [stdout]   --> src/arithmetic/example3.rs:32:8
[INFO] [stdout]    |
[INFO] [stdout] 31 | impl<F: FieldExt> ArithmeticChip<F> {
[INFO] [stdout]    | ----------------------------------- associated functions in this implementation
[INFO] [stdout] 32 |     fn construct(config: ArithmeticConfig) -> Self {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 39 |     fn configure(
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MyCircuit` is never constructed
[INFO] [stdout]    --> src/arithmetic/example3.rs:125:8
[INFO] [stdout]     |
[INFO] [stdout] 125 | struct MyCircuit<F: FieldExt> {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]    --> src/arithmetic/example3.rs:274:4
[INFO] [stdout]     |
[INFO] [stdout] 274 | fn main() {
[INFO] [stdout]     |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `PI` should have a snake case name
[INFO] [stdout]   --> src/arithmetic/example2.rs:89:5
[INFO] [stdout]    |
[INFO] [stdout] 89 |     PI: Column<Instance>,
[INFO] [stdout]    |     ^^ help: convert the identifier to snake case: `pi`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]    --> src/arithmetic/example2.rs:209:57
[INFO] [stdout]     |
[INFO] [stdout] 209 |     fn load_private(&self, _layouter: impl Layouter<F>, a: Cell) -> Result<Cell, Error> {
[INFO] [stdout]     |                                                         ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `layouter`
[INFO] [stdout]    --> src/arithmetic/example2.rs:213:29
[INFO] [stdout]     |
[INFO] [stdout] 213 |     fn load_constant(&self, layouter: impl Layouter<F>, constant: F) -> Result<Cell, Error> {
[INFO] [stdout]     |                             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_layouter`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `constant`
[INFO] [stdout]    --> src/arithmetic/example2.rs:213:57
[INFO] [stdout]     |
[INFO] [stdout] 213 |     fn load_constant(&self, layouter: impl Layouter<F>, constant: F) -> Result<Cell, Error> {
[INFO] [stdout]     |                                                         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_constant`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a0`
[INFO] [stdout]    --> src/arithmetic/example2.rs:311:14
[INFO] [stdout]     |
[INFO] [stdout] 311 |         let (a0, b0, c0) = arith_chip.raw_multiply(&mut layouter,  || x.map(|x| (x,x,x*x)))?;
[INFO] [stdout]     |              ^^ help: if this is intentional, prefix it with an underscore: `_a0`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b0`
[INFO] [stdout]    --> src/arithmetic/example2.rs:311:18
[INFO] [stdout]     |
[INFO] [stdout] 311 |         let (a0, b0, c0) = arith_chip.raw_multiply(&mut layouter,  || x.map(|x| (x,x,x*x)))?;
[INFO] [stdout]     |                  ^^ help: if this is intentional, prefix it with an underscore: `_b0`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c0`
[INFO] [stdout]    --> src/arithmetic/example2.rs:311:22
[INFO] [stdout]     |
[INFO] [stdout] 311 |         let (a0, b0, c0) = arith_chip.raw_multiply(&mut layouter,  || x.map(|x| (x,x,x*x)))?;
[INFO] [stdout]     |                      ^^ help: if this is intentional, prefix it with an underscore: `_c0`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a1`
[INFO] [stdout]    --> src/arithmetic/example2.rs:314:14
[INFO] [stdout]     |
[INFO] [stdout] 314 |         let (a1, b1, _c1) = arith_chip.raw_multiply(&mut layouter, || y.map(|y| (y,y,y*y)))?;
[INFO] [stdout]     |              ^^ help: if this is intentional, prefix it with an underscore: `_a1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b1`
[INFO] [stdout]    --> src/arithmetic/example2.rs:314:18
[INFO] [stdout]     |
[INFO] [stdout] 314 |         let (a1, b1, _c1) = arith_chip.raw_multiply(&mut layouter, || y.map(|y| (y,y,y*y)))?;
[INFO] [stdout]     |                  ^^ help: if this is intentional, prefix it with an underscore: `_b1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `constant`
[INFO] [stdout]    --> src/arithmetic/example3.rs:283:9
[INFO] [stdout]     |
[INFO] [stdout] 283 |     let constant = Fp::from(7);
[INFO] [stdout]     |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_constant`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]    --> src/example_iszero.rs:123:4
[INFO] [stdout]     |
[INFO] [stdout] 123 | fn main() {
[INFO] [stdout]     |    ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ACell` is never constructed
[INFO] [stdout]  --> src/arithmetic/example1.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | struct ACell<F: FieldExt>(AssignedCell<F, F>);
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ArithmeticConfig` is never constructed
[INFO] [stdout]   --> src/arithmetic/example1.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | struct ArithmeticConfig {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ArithmeticChip` is never constructed
[INFO] [stdout]   --> src/arithmetic/example1.rs:18:8
[INFO] [stdout]    |
[INFO] [stdout] 18 | struct ArithmeticChip<F: FieldExt> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `construct`, `configure`, `assign_add`, `assign_mul`, and `expose_public` are never used
[INFO] [stdout]    --> src/arithmetic/example1.rs:24:12
[INFO] [stdout]     |
[INFO] [stdout]  23 | impl<F: FieldExt>  ArithmeticChip<F>{
[INFO] [stdout]     | ------------------------------------ associated items in this implementation
[INFO] [stdout]  24 |     pub fn construct(config: ArithmeticConfig) -> Self {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  28 |     pub fn configure(
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  81 |     pub fn assign_add (
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 118 |     pub fn assign_mul (
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 156 |     pub fn expose_public(
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ArithmeticCircuit` is never constructed
[INFO] [stdout]    --> src/arithmetic/example1.rs:168:8
[INFO] [stdout]     |
[INFO] [stdout] 168 | struct ArithmeticCircuit<F> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]    --> src/arithmetic/example1.rs:218:4
[INFO] [stdout]     |
[INFO] [stdout] 218 | fn main() {
[INFO] [stdout]     |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `ArithmeticInstructions` is never used
[INFO] [stdout]   --> src/arithmetic/example2.rs:13:7
[INFO] [stdout]    |
[INFO] [stdout] 13 | trait ArithmeticInstructions<F: FieldExt> {
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ArithmeticConfig` is never constructed
[INFO] [stdout]   --> src/arithmetic/example2.rs:73:8
[INFO] [stdout]    |
[INFO] [stdout] 73 | struct ArithmeticConfig {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ArithmeticChip` is never constructed
[INFO] [stdout]   --> src/arithmetic/example2.rs:92:8
[INFO] [stdout]    |
[INFO] [stdout] 92 | struct ArithmeticChip<F: FieldExt> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `construct` is never used
[INFO] [stdout]   --> src/arithmetic/example2.rs:97:8
[INFO] [stdout]    |
[INFO] [stdout] 96 | impl<F: FieldExt> ArithmeticChip<F> {
[INFO] [stdout]    | ----------------------------------- associated function in this implementation
[INFO] [stdout] 97 |     fn construct(config: ArithmeticConfig) -> Self {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Number` is never constructed
[INFO] [stdout]    --> src/arithmetic/example2.rs:119:8
[INFO] [stdout]     |
[INFO] [stdout] 119 | struct Number<F: FieldExt>(AssignedCell<F, F>);
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ArithmeticCircuit` is never constructed
[INFO] [stdout]    --> src/arithmetic/example2.rs:238:8
[INFO] [stdout]     |
[INFO] [stdout] 238 | struct ArithmeticCircuit<F: FieldExt> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]    --> src/arithmetic/example2.rs:324:8
[INFO] [stdout]     |
[INFO] [stdout] 324 |     fn main() {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ArithmeticConfig` is never constructed
[INFO] [stdout]   --> src/arithmetic/example3.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 14 | struct ArithmeticConfig {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ArithmeticChip` is never constructed
[INFO] [stdout]   --> src/arithmetic/example3.rs:26:8
[INFO] [stdout]    |
[INFO] [stdout] 26 | struct ArithmeticChip<F: FieldExt> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `construct` and `configure` are never used
[INFO] [stdout]   --> src/arithmetic/example3.rs:32:8
[INFO] [stdout]    |
[INFO] [stdout] 31 | impl<F: FieldExt> ArithmeticChip<F> {
[INFO] [stdout]    | ----------------------------------- associated functions in this implementation
[INFO] [stdout] 32 |     fn construct(config: ArithmeticConfig) -> Self {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 39 |     fn configure(
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MyCircuit` is never constructed
[INFO] [stdout]    --> src/arithmetic/example3.rs:125:8
[INFO] [stdout]     |
[INFO] [stdout] 125 | struct MyCircuit<F: FieldExt> {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]    --> src/arithmetic/example3.rs:274:4
[INFO] [stdout]     |
[INFO] [stdout] 274 | fn main() {
[INFO] [stdout]     |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `Fp`
[INFO] [stdout]    --> src/range_check/example1.rs:112:33
[INFO] [stdout]     |
[INFO] [stdout] 112 |             value: Value::known(Fp::from(i as u64).into()),
[INFO] [stdout]     |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this method call relies on the `impl<T> Into<T> for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors
[INFO] [stdout]     = note: `#[deny(self_type_conversion)]` on by default
[INFO] [stdout] help: consider removing the conversion call
[INFO] [stdout]     |
[INFO] [stdout] 112 -             value: Value::known(Fp::from(i as u64).into()),
[INFO] [stdout] 112 +             value: Value::known(Fp::from(i as u64)),
[INFO] [stdout]     |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]     |
[INFO] [stdout] 112 -             value: Value::known(Fp::from(i as u64).into()),
[INFO] [stdout] 112 +             value: Value::known(<Fp as Into<_>>::into(Fp::from(i as u64))),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `Fp`
[INFO] [stdout]    --> src/range_check/example1.rs:121:33
[INFO] [stdout]     |
[INFO] [stdout] 121 |             value: Value::known(Fp::from(RANGE as u64).into()),
[INFO] [stdout]     |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this method call relies on the `impl<T> Into<T> for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors
[INFO] [stdout] help: consider removing the conversion call
[INFO] [stdout]     |
[INFO] [stdout] 121 -             value: Value::known(Fp::from(RANGE as u64).into()),
[INFO] [stdout] 121 +             value: Value::known(Fp::from(RANGE as u64)),
[INFO] [stdout]     |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]     |
[INFO] [stdout] 121 -             value: Value::known(Fp::from(RANGE as u64).into()),
[INFO] [stdout] 121 +             value: Value::known(<Fp as Into<_>>::into(Fp::from(RANGE as u64))),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `PI` should have a snake case name
[INFO] [stdout]   --> src/arithmetic/example2.rs:89:5
[INFO] [stdout]    |
[INFO] [stdout] 89 |     PI: Column<Instance>,
[INFO] [stdout]    |     ^^ help: convert the identifier to snake case: `pi`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `fibonacci` (lib test) due to 2 previous errors; 35 warnings emitted
[INFO] [stderr] warning: unused dependency `halo2`
[INFO] [stderr]  --> Cargo.toml:3:1
[INFO] [stderr]   |
[INFO] [stderr] 3 | halo2 = "0.0.0"
[INFO] [stderr]   | ^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `cargo::unused_dependencies` is set to `warn` by default
[INFO] [stderr] help: consider removing the dependency on `halo2`
[INFO] [stderr] warning: `fibonacci` (manifest) generated 1 warning
[INFO] running `Command { std: "docker" "inspect" "8388787e2f46b1e85d5b202dd009ceb61829a8720419d3bb539f0d1b16d6e0e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8388787e2f46b1e85d5b202dd009ceb61829a8720419d3bb539f0d1b16d6e0e5", kill_on_drop: false }`
[INFO] [stdout] 8388787e2f46b1e85d5b202dd009ceb61829a8720419d3bb539f0d1b16d6e0e5