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[INFO] [stdout] d939cdeaaebdcf4c88fd20fe4ec766faa041cb13
[INFO] testing SwaroopReddyBasireddy/halo2-examples against 1.83.0 for beta-1.84.0-4-retry
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSwaroopReddyBasireddy%2Fhalo2-examples" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
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[INFO] validating manifest of git repo https://github.com/SwaroopReddyBasireddy/halo2-examples on toolchain 1.83.0
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[INFO] started tweaking git repo https://github.com/SwaroopReddyBasireddy/halo2-examples
[INFO] finished tweaking git repo https://github.com/SwaroopReddyBasireddy/halo2-examples
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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 cfg-if v1.0.0
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[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)]` 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)]` 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)]` 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)]` on by default
[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: 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: methods `raw_add`, `load_private`, `load_constant`, `copy`, and `expose_public` are never used
[INFO] [stdout]   --> src/arithmetic/example2.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | trait ArithmeticInstructions<F: FieldExt> {
[INFO] [stdout]    |       ---------------------- methods in this trait
[INFO] [stdout] ...
[INFO] [stdout] 17 |     fn raw_add<FM>(
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 35 |     fn load_private(&self, layouter: impl Layouter<F>, a: Cell) -> Result<Cell, Error>;
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 38 |     fn load_constant(&self, layouter: impl Layouter<F>, constant: F) -> Result<Cell, Error>;
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 41 |     fn copy(&self, layouter: impl Layouter<F>, a: Cell, b: Cell) -> Result<(), Error>;
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 60 |     fn expose_public(
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `s_l`, `s_r`, `s_c`, and `PI` are never read
[INFO] [stdout]   --> src/arithmetic/example2.rs:82:5
[INFO] [stdout]    |
[INFO] [stdout] 73 | struct ArithmeticConfig {
[INFO] [stdout]    |        ---------------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 82 |     s_l: Column<Fixed>,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 83 |     s_r: Column<Fixed>,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] ...
[INFO] [stdout] 86 |     s_c: Column<Fixed>,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] ...
[INFO] [stdout] 89 |     PI: Column<Instance>,
[INFO] [stdout]    |     ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ArithmeticConfig` 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: 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: associated function `construct` is never used
[INFO] [stdout]   --> src/arithmetic/example3.rs:32:8
[INFO] [stdout]    |
[INFO] [stdout] 31 | impl<F: FieldExt> ArithmeticChip<F> {
[INFO] [stdout]    | ----------------------------------- associated function in this implementation
[INFO] [stdout] 32 |     fn construct(config: ArithmeticConfig) -> Self {
[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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 16.21s
[INFO] running `Command { std: "docker" "inspect" "1246716ab90856caa6e36978dc5f1766f5a5fa3eac104be32efbd42b48cd10dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1246716ab90856caa6e36978dc5f1766f5a5fa3eac104be32efbd42b48cd10dd", kill_on_drop: false }`
[INFO] [stdout] 1246716ab90856caa6e36978dc5f1766f5a5fa3eac104be32efbd42b48cd10dd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+1.83.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8030be1a789831c5e0ff953e49388bc6f424a964240c404d78d3e78993d3b268
[INFO] running `Command { std: "docker" "start" "-a" "8030be1a789831c5e0ff953e49388bc6f424a964240c404d78d3e78993d3b268", kill_on_drop: false }`
[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)]` 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)]` 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)]` 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)]` on by default
[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: 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] [stderr]    Compiling fibonacci v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: methods `raw_add`, `load_private`, `load_constant`, `copy`, and `expose_public` are never used
[INFO] [stdout]   --> src/arithmetic/example2.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | trait ArithmeticInstructions<F: FieldExt> {
[INFO] [stdout]    |       ---------------------- methods in this trait
[INFO] [stdout] ...
[INFO] [stdout] 17 |     fn raw_add<FM>(
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 35 |     fn load_private(&self, layouter: impl Layouter<F>, a: Cell) -> Result<Cell, Error>;
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 38 |     fn load_constant(&self, layouter: impl Layouter<F>, constant: F) -> Result<Cell, Error>;
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 41 |     fn copy(&self, layouter: impl Layouter<F>, a: Cell, b: Cell) -> Result<(), Error>;
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 60 |     fn expose_public(
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `s_l`, `s_r`, `s_c`, and `PI` are never read
[INFO] [stdout]   --> src/arithmetic/example2.rs:82:5
[INFO] [stdout]    |
[INFO] [stdout] 73 | struct ArithmeticConfig {
[INFO] [stdout]    |        ---------------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 82 |     s_l: Column<Fixed>,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 83 |     s_r: Column<Fixed>,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] ...
[INFO] [stdout] 86 |     s_c: Column<Fixed>,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] ...
[INFO] [stdout] 89 |     PI: Column<Instance>,
[INFO] [stdout]    |     ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ArithmeticConfig` 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: 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: associated function `construct` is never used
[INFO] [stdout]   --> src/arithmetic/example3.rs:32:8
[INFO] [stdout]    |
[INFO] [stdout] 31 | impl<F: FieldExt> ArithmeticChip<F> {
[INFO] [stdout]    | ----------------------------------- associated function in this implementation
[INFO] [stdout] 32 |     fn construct(config: ArithmeticConfig) -> Self {
[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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `poly::Rotation` and `self`
[INFO] [stdout]   --> src/range_check/example1.rs:74:41
[INFO] [stdout]    |
[INFO] [stdout] 74 |         arithmetic::FieldExt, circuit::{self, *}, dev::{FailureLocation, MockProver, VerifyFailure}, pasta::Fp, plonk::*, poly::Rotation
[INFO] [stdout]    |                                         ^^^^                                                                              ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` 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)]` 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)]` 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)]` on by default
[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: methods `raw_add`, `load_private`, `load_constant`, `copy`, and `expose_public` are never used
[INFO] [stdout]   --> src/arithmetic/example2.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | trait ArithmeticInstructions<F: FieldExt> {
[INFO] [stdout]    |       ---------------------- methods in this trait
[INFO] [stdout] ...
[INFO] [stdout] 17 |     fn raw_add<FM>(
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 35 |     fn load_private(&self, layouter: impl Layouter<F>, a: Cell) -> Result<Cell, Error>;
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 38 |     fn load_constant(&self, layouter: impl Layouter<F>, constant: F) -> Result<Cell, Error>;
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 41 |     fn copy(&self, layouter: impl Layouter<F>, a: Cell, b: Cell) -> Result<(), Error>;
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 60 |     fn expose_public(
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `s_l`, `s_r`, `s_c`, and `PI` are never read
[INFO] [stdout]   --> src/arithmetic/example2.rs:82:5
[INFO] [stdout]    |
[INFO] [stdout] 73 | struct ArithmeticConfig {
[INFO] [stdout]    |        ---------------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 82 |     s_l: Column<Fixed>,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 83 |     s_r: Column<Fixed>,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] ...
[INFO] [stdout] 86 |     s_c: Column<Fixed>,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] ...
[INFO] [stdout] 89 |     PI: Column<Instance>,
[INFO] [stdout]    |     ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ArithmeticConfig` 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: 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: associated function `construct` is never used
[INFO] [stdout]   --> src/arithmetic/example3.rs:32:8
[INFO] [stdout]    |
[INFO] [stdout] 31 | impl<F: FieldExt> ArithmeticChip<F> {
[INFO] [stdout]    | ----------------------------------- associated function in this implementation
[INFO] [stdout] 32 |     fn construct(config: ArithmeticConfig) -> Self {
[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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 2.63s
[INFO] running `Command { std: "docker" "inspect" "8030be1a789831c5e0ff953e49388bc6f424a964240c404d78d3e78993d3b268", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8030be1a789831c5e0ff953e49388bc6f424a964240c404d78d3e78993d3b268", kill_on_drop: false }`
[INFO] [stdout] 8030be1a789831c5e0ff953e49388bc6f424a964240c404d78d3e78993d3b268
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+1.83.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ce0508816611d0bcdf0c24039a72b2cc3e4522d93f6c74fba40ea195ae799427
[INFO] running `Command { std: "docker" "start" "-a" "ce0508816611d0bcdf0c24039a72b2cc3e4522d93f6c74fba40ea195ae799427", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `group::ff::Field`
[INFO] [stderr]  --> src/arithmetic/example2.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use group::ff::Field;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::env`
[INFO] [stderr]  --> src/arithmetic/example3.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::env;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `group::ff::Field`
[INFO] [stderr]  --> src/arithmetic/example3.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use group::ff::Field;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `AssignedCell`
[INFO] [stderr]  --> src/arithmetic/example3.rs:4:29
[INFO] [stderr]   |
[INFO] [stderr] 4 | use halo2_proofs::circuit::{AssignedCell, Value};
[INFO] [stderr]   |                             ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> src/arithmetic/example3.rs:236:65
[INFO] [stderr]     |
[INFO] [stderr] 236 |                     config.constant.clone(), 2, || Value::known((F::from(5))))?;
[INFO] [stderr]     |                                                                 ^          ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 236 -                     config.constant.clone(), 2, || Value::known((F::from(5))))?;
[INFO] [stderr] 236 +                     config.constant.clone(), 2, || Value::known(F::from(5)))?;
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `a`
[INFO] [stderr]    --> src/arithmetic/example2.rs:209:57
[INFO] [stderr]     |
[INFO] [stderr] 209 |     fn load_private(&self, _layouter: impl Layouter<F>, a: Cell) -> Result<Cell, Error> {
[INFO] [stderr]     |                                                         ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `layouter`
[INFO] [stderr]    --> src/arithmetic/example2.rs:213:29
[INFO] [stderr]     |
[INFO] [stderr] 213 |     fn load_constant(&self, layouter: impl Layouter<F>, constant: F) -> Result<Cell, Error> {
[INFO] [stderr]     |                             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_layouter`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `constant`
[INFO] [stderr]    --> src/arithmetic/example2.rs:213:57
[INFO] [stderr]     |
[INFO] [stderr] 213 |     fn load_constant(&self, layouter: impl Layouter<F>, constant: F) -> Result<Cell, Error> {
[INFO] [stderr]     |                                                         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_constant`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `a0`
[INFO] [stderr]    --> src/arithmetic/example2.rs:311:14
[INFO] [stderr]     |
[INFO] [stderr] 311 |         let (a0, b0, c0) = arith_chip.raw_multiply(&mut layouter,  || x.map(|x| (x,x,x*x)))?;
[INFO] [stderr]     |              ^^ help: if this is intentional, prefix it with an underscore: `_a0`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `b0`
[INFO] [stderr]    --> src/arithmetic/example2.rs:311:18
[INFO] [stderr]     |
[INFO] [stderr] 311 |         let (a0, b0, c0) = arith_chip.raw_multiply(&mut layouter,  || x.map(|x| (x,x,x*x)))?;
[INFO] [stderr]     |                  ^^ help: if this is intentional, prefix it with an underscore: `_b0`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `c0`
[INFO] [stderr]    --> src/arithmetic/example2.rs:311:22
[INFO] [stderr]     |
[INFO] [stderr] 311 |         let (a0, b0, c0) = arith_chip.raw_multiply(&mut layouter,  || x.map(|x| (x,x,x*x)))?;
[INFO] [stderr]     |                      ^^ help: if this is intentional, prefix it with an underscore: `_c0`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `a1`
[INFO] [stderr]    --> src/arithmetic/example2.rs:314:14
[INFO] [stderr]     |
[INFO] [stderr] 314 |         let (a1, b1, _c1) = arith_chip.raw_multiply(&mut layouter, || y.map(|y| (y,y,y*y)))?;
[INFO] [stderr]     |              ^^ help: if this is intentional, prefix it with an underscore: `_a1`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `b1`
[INFO] [stderr]    --> src/arithmetic/example2.rs:314:18
[INFO] [stderr]     |
[INFO] [stderr] 314 |         let (a1, b1, _c1) = arith_chip.raw_multiply(&mut layouter, || y.map(|y| (y,y,y*y)))?;
[INFO] [stderr]     |                  ^^ help: if this is intentional, prefix it with an underscore: `_b1`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `constant`
[INFO] [stderr]    --> src/arithmetic/example3.rs:283:9
[INFO] [stderr]     |
[INFO] [stderr] 283 |     let constant = Fp::from(7);
[INFO] [stderr]     |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_constant`
[INFO] [stderr] 
[INFO] [stderr] warning: function `main` is never used
[INFO] [stderr]    --> src/example_iszero.rs:123:4
[INFO] [stderr]     |
[INFO] [stderr] 123 | fn main() {
[INFO] [stderr]     |    ^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct `RnageCheckConfig` is never constructed
[INFO] [stderr]   --> src/range_check/example1.rs:13:8
[INFO] [stderr]    |
[INFO] [stderr] 13 | struct RnageCheckConfig<F: FieldExt, const RANGE: usize> {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated items `configure` and `assign` are never used
[INFO] [stderr]   --> src/range_check/example1.rs:20:8
[INFO] [stderr]    |
[INFO] [stderr] 19 | impl <F: FieldExt, const RANGE: usize> RnageCheckConfig<F, RANGE> {        
[INFO] [stderr]    | ----------------------------------------------------------------- associated items in this implementation
[INFO] [stderr] 20 |     fn configure(
[INFO] [stderr]    |        ^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 53 |     fn assign(
[INFO] [stderr]    |        ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `main` is never used
[INFO] [stderr]    --> src/arithmetic/example1.rs:218:4
[INFO] [stderr]     |
[INFO] [stderr] 218 | fn main() {
[INFO] [stderr]     |    ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: methods `raw_add`, `load_private`, `load_constant`, `copy`, and `expose_public` are never used
[INFO] [stderr]   --> src/arithmetic/example2.rs:17:8
[INFO] [stderr]    |
[INFO] [stderr] 13 | trait ArithmeticInstructions<F: FieldExt> {
[INFO] [stderr]    |       ---------------------- methods in this trait
[INFO] [stderr] ...
[INFO] [stderr] 17 |     fn raw_add<FM>(
[INFO] [stderr]    |        ^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 35 |     fn load_private(&self, layouter: impl Layouter<F>, a: Cell) -> Result<Cell, Error>;
[INFO] [stderr]    |        ^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 38 |     fn load_constant(&self, layouter: impl Layouter<F>, constant: F) -> Result<Cell, Error>;
[INFO] [stderr]    |        ^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 41 |     fn copy(&self, layouter: impl Layouter<F>, a: Cell, b: Cell) -> Result<(), Error>;
[INFO] [stderr]    |        ^^^^
[INFO] [stderr] ...
[INFO] [stderr] 60 |     fn expose_public(
[INFO] [stderr]    |        ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: fields `s_l`, `s_r`, `s_c`, and `PI` are never read
[INFO] [stderr]   --> src/arithmetic/example2.rs:82:5
[INFO] [stderr]    |
[INFO] [stderr] 73 | struct ArithmeticConfig {
[INFO] [stderr]    |        ---------------- fields in this struct
[INFO] [stderr] ...
[INFO] [stderr] 82 |     s_l: Column<Fixed>,
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 83 |     s_r: Column<Fixed>,
[INFO] [stderr]    |     ^^^
[INFO] [stderr] ...
[INFO] [stderr] 86 |     s_c: Column<Fixed>,
[INFO] [stderr]    |     ^^^
[INFO] [stderr] ...
[INFO] [stderr] 89 |     PI: Column<Instance>,
[INFO] [stderr]    |     ^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `ArithmeticConfig` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: function `main` is never used
[INFO] [stderr]    --> src/arithmetic/example2.rs:324:8
[INFO] [stderr]     |
[INFO] [stderr] 324 |     fn main() {
[INFO] [stderr]     |        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `construct` is never used
[INFO] [stderr]   --> src/arithmetic/example3.rs:32:8
[INFO] [stderr]    |
[INFO] [stderr] 31 | impl<F: FieldExt> ArithmeticChip<F> {
[INFO] [stderr]    | ----------------------------------- associated function in this implementation
[INFO] [stderr] 32 |     fn construct(config: ArithmeticConfig) -> Self {
[INFO] [stderr]    |        ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `main` is never used
[INFO] [stderr]    --> src/arithmetic/example3.rs:274:4
[INFO] [stderr]     |
[INFO] [stderr] 274 | fn main() {
[INFO] [stderr]     |    ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `PI` should have a snake case name
[INFO] [stderr]   --> src/arithmetic/example2.rs:89:5
[INFO] [stderr]    |
[INFO] [stderr] 89 |     PI: Column<Instance>,
[INFO] [stderr]    |     ^^ help: convert the identifier to snake case: `pi`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `fibonacci` (lib) generated 24 warnings (run `cargo fix --lib -p fibonacci` to apply 5 suggestions)
[INFO] [stderr] warning: unused imports: `poly::Rotation` and `self`
[INFO] [stderr]   --> src/range_check/example1.rs:74:41
[INFO] [stderr]    |
[INFO] [stderr] 74 |         arithmetic::FieldExt, circuit::{self, *}, dev::{FailureLocation, MockProver, VerifyFailure}, pasta::Fp, plonk::*, poly::Rotation
[INFO] [stderr]    |                                         ^^^^                                                                              ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `group::ff::Field`
[INFO] [stderr]  --> src/arithmetic/example2.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use group::ff::Field;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `fibonacci` (lib test) generated 23 warnings (21 duplicates) (run `cargo fix --lib -p fibonacci --tests` to apply 2 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/halo2_examples-5d8e96e7f07c5478)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test example_iszero::tests::iszero_example ... ok
[INFO] [stdout] test range_check::example1::tests::test_range_check ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- range_check::example1::tests::test_range_check stdout ----
[INFO] [stdout] thread 'range_check::example1::tests::test_range_check' panicked at src/range_check/example1.rs:124:9:
[INFO] [stdout] assertion `left == right` failed
[INFO] [stdout]   left: Ok(())
[INFO] [stdout]  right: Err([ConstraintNotSatisfied { constraint: Constraint { gate: Gate { index: 0, name: "range check" }, index: 0, name: "range check" }, location: InRegion { region: Region { index: 0, name: "Assign value" }, offset: 0 }, cell_values: [(VirtualCell { name: "", column: Column { column_type: Advice, index: 0 }, rotation: 0 }, "0x8")] }])
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x588d7ce965ba - std::backtrace_rs::backtrace::libunwind::trace::h5a5b8284f2d0c266
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/../../backtrace/src/backtrace/libunwind.rs:116:5
[INFO] [stdout]    1:     0x588d7ce965ba - std::backtrace_rs::backtrace::trace_unsynchronized::h76d4f1c9b0b875e3
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x588d7ce965ba - std::sys::backtrace::_print_fmt::hc4546b8364a537c6
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x588d7ce965ba - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h5b6bd5631a6d1f6b
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x588d7cebbd83 - core::fmt::rt::Argument::fmt::h270f6602a2b96f62
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/core/src/fmt/rt.rs:177:76
[INFO] [stdout]    5:     0x588d7cebbd83 - core::fmt::write::h7550c97b06c86515
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/core/src/fmt/mod.rs:1186:21
[INFO] [stdout]    6:     0x588d7ce93783 - std::io::Write::write_fmt::h509ff860e5956e5e
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/io/mod.rs:1839:15
[INFO] [stdout]    7:     0x588d7ce96402 - std::sys::backtrace::BacktraceLock::print::h2395ccd2c84ba3aa
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    8:     0x588d7ce97a1a - std::panicking::default_hook::{{closure}}::he19d4c7230e07961
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panicking.rs:268:22
[INFO] [stdout]    9:     0x588d7ce97824 - std::panicking::default_hook::hf614597d3c67bbdb
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panicking.rs:292:9
[INFO] [stdout]   10:     0x588d7ce42509 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h39b51ce4599c23d1
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/alloc/src/boxed.rs:2468:9
[INFO] [stdout]   11:     0x588d7ce42509 - test::test_main::{{closure}}::he977ae839a582784
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/test/src/lib.rs:133:21
[INFO] [stdout]   12:     0x588d7ce980b8 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h9455091b6b06f9fb
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/alloc/src/boxed.rs:2468:9
[INFO] [stdout]   13:     0x588d7ce980b8 - std::panicking::rust_panic_with_hook::h8942133a8b252070
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panicking.rs:809:13
[INFO] [stdout]   14:     0x588d7ce97e7a - std::panicking::begin_panic_handler::{{closure}}::hb5f5963570096b29
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panicking.rs:674:13
[INFO] [stdout]   15:     0x588d7ce96a99 - std::sys::backtrace::__rust_end_short_backtrace::h6208cedc1922feda
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/sys/backtrace.rs:170:18
[INFO] [stdout]   16:     0x588d7ce97b0c - rust_begin_unwind
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panicking.rs:665:5
[INFO] [stdout]   17:     0x588d7cd5faa0 - core::panicking::panic_fmt::h0c3082644d1bf418
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/core/src/panicking.rs:74:14
[INFO] [stdout]   18:     0x588d7cd5fe6b - core::panicking::assert_failed_inner::h2ddf1fcc067fa858
[INFO] [stdout]   19:     0x588d7cdd5e29 - core::panicking::assert_failed::h82b39c9f9a350ff4
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/core/src/panicking.rs:367:5
[INFO] [stdout]   20:     0x588d7cda8be8 - halo2_examples::range_check::example1::tests::test_range_check::he3d27e8b262f43c9
[INFO] [stdout]                                at /opt/rustwide/workdir/src/range_check/example1.rs:124:9
[INFO] [stdout]   21:     0x588d7cda8377 - halo2_examples::range_check::example1::tests::test_range_check::{{closure}}::h6229c4992fb2ed21
[INFO] [stdout]                                at /opt/rustwide/workdir/src/range_check/example1.rs:105:22
[INFO] [stdout]   22:     0x588d7cdf71c6 - core::ops::function::FnOnce::call_once::hdd5a2191bf01e00d
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   23:     0x588d7ce46ecb - core::ops::function::FnOnce::call_once::h109cf8051a59b34e
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x588d7ce46ecb - test::__rust_begin_short_backtrace::hf4fff89d377446ba
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/test/src/lib.rs:621:18
[INFO] [stdout]   25:     0x588d7ce46707 - test::run_test_in_process::{{closure}}::h0e39181dd7ee5a43
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/test/src/lib.rs:644:60
[INFO] [stdout]   26:     0x588d7ce46707 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hc5a66a30f0bdfd1f
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   27:     0x588d7ce46707 - std::panicking::try::do_call::h873b7cf639554a5e
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panicking.rs:557:40
[INFO] [stdout]   28:     0x588d7ce46707 - std::panicking::try::hdb19862fad9c8bd1
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panicking.rs:520:19
[INFO] [stdout]   29:     0x588d7ce46707 - std::panic::catch_unwind::h281fe732d236d260
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panic.rs:358:14
[INFO] [stdout]   30:     0x588d7ce46707 - test::run_test_in_process::h949b6df8457ed338
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/test/src/lib.rs:644:27
[INFO] [stdout]   31:     0x588d7ce46707 - test::run_test::{{closure}}::h52c556a6d4740e10
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/test/src/lib.rs:565:43
[INFO] [stdout]   32:     0x588d7ce0b9e4 - test::run_test::{{closure}}::h4237f6381c45ccb9
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/test/src/lib.rs:595:41
[INFO] [stdout]   33:     0x588d7ce0b9e4 - std::sys::backtrace::__rust_begin_short_backtrace::h505c97a579eca628
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/sys/backtrace.rs:154:18
[INFO] [stdout]   34:     0x588d7ce0f0ae - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h9e86b2e2bc107ea3
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/thread/mod.rs:538:17
[INFO] [stdout]   35:     0x588d7ce0f0ae - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h8b06ddb275ff4a25
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   36:     0x588d7ce0f0ae - std::panicking::try::do_call::hb26ecd7cd9a9355d
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panicking.rs:557:40
[INFO] [stdout]   37:     0x588d7ce0f0ae - std::panicking::try::h8ddeca9d705f9069
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panicking.rs:520:19
[INFO] [stdout]   38:     0x588d7ce0f0ae - std::panic::catch_unwind::h49e1c33078844c46
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panic.rs:358:14
[INFO] [stdout]   39:     0x588d7ce0f0ae - std::thread::Builder::spawn_unchecked_::{{closure}}::h6073db6ff56ad35d
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/thread/mod.rs:537:30
[INFO] [stdout]   40:     0x588d7ce0f0ae - core::ops::function::FnOnce::call_once{{vtable.shim}}::h2c5a5f3779c774f1
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   41:     0x588d7ce9be0b - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hf75717d9f28faebf
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/alloc/src/boxed.rs:2454:9
[INFO] [stdout]   42:     0x588d7ce9be0b - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h7bd883a5f3c5f3c1
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/alloc/src/boxed.rs:2454:9
[INFO] [stdout]   43:     0x588d7ce9be0b - std::sys::pal::unix::thread::Thread::new::thread_start::hcc78f3943333fa94
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/sys/pal/unix/thread.rs:105:17
[INFO] [stdout]   44:     0x742fe9712ac3 - <unknown>
[INFO] [stdout]   45:     0x742fe97a3a04 - clone
[INFO] [stdout]   46:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     range_check::example1::tests::test_range_check
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 1 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.08s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] running `Command { std: "docker" "inspect" "ce0508816611d0bcdf0c24039a72b2cc3e4522d93f6c74fba40ea195ae799427", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce0508816611d0bcdf0c24039a72b2cc3e4522d93f6c74fba40ea195ae799427", kill_on_drop: false }`
[INFO] [stdout] ce0508816611d0bcdf0c24039a72b2cc3e4522d93f6c74fba40ea195ae799427
