[INFO] cloning repository https://github.com/SwaroopReddyBasireddy/halo2-examples
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/SwaroopReddyBasireddy/halo2-examples" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSwaroopReddyBasireddy%2Fhalo2-examples", kill_on_drop: false }`
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[INFO] [stdout] d939cdeaaebdcf4c88fd20fe4ec766faa041cb13
[INFO] testing SwaroopReddyBasireddy/halo2-examples against beta-2024-12-08 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-tc2/source", kill_on_drop: false }`
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[INFO] validating manifest of git repo https://github.com/SwaroopReddyBasireddy/halo2-examples on toolchain beta-2024-12-08
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[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 group v0.13.0
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[INFO] [stderr]    Compiling ff v0.12.1
[INFO] [stderr]    Compiling group v0.12.1
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[INFO] [stderr]    Compiling halo2_proofs v0.2.0
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[INFO] [stderr]    Compiling 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)]` 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 15.74s
[INFO] running `Command { std: "docker" "inspect" "537e253bdf23318767e6627c5aeba671498dddf561a7b4cda9b4f3558cb323dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "537e253bdf23318767e6627c5aeba671498dddf561a7b4cda9b4f3558cb323dc", kill_on_drop: false }`
[INFO] [stdout] 537e253bdf23318767e6627c5aeba671498dddf561a7b4cda9b4f3558cb323dc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "+beta-2024-12-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2acb6c74d2542abab93cced60486ea4f6b1ff1cd8d6537ecba62f0c66f2f91f4
[INFO] running `Command { std: "docker" "start" "-a" "2acb6c74d2542abab93cced60486ea4f6b1ff1cd8d6537ecba62f0c66f2f91f4", kill_on_drop: false }`
[INFO] [stderr]    Compiling 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)]` 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] [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 2.68s
[INFO] running `Command { std: "docker" "inspect" "2acb6c74d2542abab93cced60486ea4f6b1ff1cd8d6537ecba62f0c66f2f91f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2acb6c74d2542abab93cced60486ea4f6b1ff1cd8d6537ecba62f0c66f2f91f4", kill_on_drop: false }`
[INFO] [stdout] 2acb6c74d2542abab93cced60486ea4f6b1ff1cd8d6537ecba62f0c66f2f91f4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "+beta-2024-12-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 46f4ebb692aacf53571d8a56a3a9bd52d788636fb9ce8b4a6c1027a6c56c5734
[INFO] running `Command { std: "docker" "start" "-a" "46f4ebb692aacf53571d8a56a3a9bd52d788636fb9ce8b4a6c1027a6c56c5734", 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] [stdout] 
[INFO] [stderr]     |
[INFO] [stdout] running 2 tests
[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: 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) generated 24 warnings (run `cargo fix --lib -p fibonacci` to apply 5 suggestions)
[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 0.09s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/halo2_examples-1de09d3e0cccd966)
[INFO] [stdout] test example_iszero::tests::iszero_example ... ok
[INFO] [stdout] test range_check::example1::tests::test_range_check ... FAILED
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[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:     0x60471f79582a - std::backtrace_rs::backtrace::libunwind::trace::h8810477743020387
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/../../backtrace/src/backtrace/libunwind.rs:116:5
[INFO] [stdout]    1:     0x60471f79582a - std::backtrace_rs::backtrace::trace_unsynchronized::h3aa55355dd6c54a6
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x60471f79582a - std::sys::backtrace::_print_fmt::h8588b0f62410823f
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x60471f79582a - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h98c26ac25ffe89bb
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x60471f7bb663 - core::fmt::rt::Argument::fmt::hf95377f4aebd453b
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/fmt/rt.rs:177:76
[INFO] [stdout]    5:     0x60471f7bb663 - core::fmt::write::h0dd5f6e2238c7982
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/fmt/mod.rs:1189:21
[INFO] [stdout]    6:     0x60471f7929c3 - std::io::Write::write_fmt::h03bb0ca26e6faf8c
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/io/mod.rs:1884:15
[INFO] [stdout]    7:     0x60471f795672 - std::sys::backtrace::BacktraceLock::print::h5c19c1c038ee186d
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    8:     0x60471f796cad - std::panicking::default_hook::{{closure}}::h77172f079a1fcb13
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:268:22
[INFO] [stdout]    9:     0x60471f796ab7 - std::panicking::default_hook::he5f8e3b203ccddba
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:292:9
[INFO] [stdout]   10:     0x60471f73f0f7 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h7a3c7b4a1ae77f2f
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/alloc/src/boxed.rs:1986:9
[INFO] [stdout]   11:     0x60471f73f0f7 - test::test_main::{{closure}}::hf0d3b69ae9b353d1
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/test/src/lib.rs:134:21
[INFO] [stdout]   12:     0x60471f797358 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h6332e82e7b189abd
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/alloc/src/boxed.rs:1986:9
[INFO] [stdout]   13:     0x60471f797358 - std::panicking::rust_panic_with_hook::h53863d4e9018df39
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:809:13
[INFO] [stdout]   14:     0x60471f79711a - std::panicking::begin_panic_handler::{{closure}}::h67280e6fa0757873
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:674:13
[INFO] [stdout]   15:     0x60471f795d09 - std::sys::backtrace::__rust_end_short_backtrace::h1dac3f54d6fbbeb2
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/sys/backtrace.rs:170:18
[INFO] [stdout]   16:     0x60471f796dac - rust_begin_unwind
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:665:5
[INFO] [stdout]   17:     0x60471f65aae0 - core::panicking::panic_fmt::h6792bd1b2bf01041
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/panicking.rs:76:14
[INFO] [stdout]   18:     0x60471f65aeab - core::panicking::assert_failed_inner::hf2c17e6d30928787
[INFO] [stdout]   19:     0x60471f6daee9 - core::panicking::assert_failed::hd766a747852c1b8d
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/panicking.rs:373:5
[INFO] [stdout]   20:     0x60471f6ef1d8 - halo2_examples::range_check::example1::tests::test_range_check::h19dbdb2231441d02
[INFO] [stdout]                                at /opt/rustwide/workdir/src/range_check/example1.rs:124:9
[INFO] [stdout]   21:     0x60471f6ee967 - halo2_examples::range_check::example1::tests::test_range_check::{{closure}}::hca5d045e9e43af6a
[INFO] [stdout]                                at /opt/rustwide/workdir/src/range_check/example1.rs:105:22
[INFO] [stdout]   22:     0x60471f6e49f6 - core::ops::function::FnOnce::call_once::h1a4bd34ce1ff5a9e
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   23:     0x60471f743c1b - core::ops::function::FnOnce::call_once::h871bf86719ec9aa4
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x60471f743c1b - test::__rust_begin_short_backtrace::h2167df1e2b7d76fd
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/test/src/lib.rs:632:18
[INFO] [stdout]   25:     0x60471f743608 - test::run_test_in_process::{{closure}}::h15d92f75a3adfb79
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/test/src/lib.rs:655:60
[INFO] [stdout]   26:     0x60471f743608 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hb6c8955835a8dbbb
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   27:     0x60471f743608 - std::panicking::try::do_call::hc79d0fc888a0bd30
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:557:40
[INFO] [stdout]   28:     0x60471f743608 - std::panicking::try::hb8a7878e3a8589d6
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:520:19
[INFO] [stdout]   29:     0x60471f743608 - std::panic::catch_unwind::hb8e4600ff0ff5cfa
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panic.rs:358:14
[INFO] [stdout]   30:     0x60471f743608 - test::run_test_in_process::hc2900b0b18688dd6
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/test/src/lib.rs:655:27
[INFO] [stdout]   31:     0x60471f743608 - test::run_test::{{closure}}::hac2a9cb07be3d48d
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/test/src/lib.rs:576:43
[INFO] [stdout]   32:     0x60471f7070aa - test::run_test::{{closure}}::h4a5b729e66a38cd8
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/test/src/lib.rs:606:41
[INFO] [stdout]   33:     0x60471f7070aa - std::sys::backtrace::__rust_begin_short_backtrace::h0496fb742492f573
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/sys/backtrace.rs:154:18
[INFO] [stdout]   34:     0x60471f70aa24 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::hbb6d257c550a54bd
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/thread/mod.rs:561:17
[INFO] [stdout]   35:     0x60471f70aa24 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h46696fe4a6832328
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   36:     0x60471f70aa24 - std::panicking::try::do_call::h2625a51b667bfb64
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:557:40
[INFO] [stdout]   37:     0x60471f70aa24 - std::panicking::try::hb956a59a1973aa4c
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:520:19
[INFO] [stdout]   38:     0x60471f70aa24 - std::panic::catch_unwind::h64f3b9d1067ef6a0
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panic.rs:358:14
[INFO] [stdout]   39:     0x60471f70aa24 - std::thread::Builder::spawn_unchecked_::{{closure}}::h42b2841295b6c0b2
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/thread/mod.rs:559:30
[INFO] [stdout]   40:     0x60471f70aa24 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h6127de71b8124639
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   41:     0x60471f79b29b - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h42f0ba71002a1b2c
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/alloc/src/boxed.rs:1972:9
[INFO] [stdout]   42:     0x60471f79b29b - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::had9e47d7a3dcecb8
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/alloc/src/boxed.rs:1972:9
[INFO] [stdout]   43:     0x60471f79b29b - std::sys::pal::unix::thread::Thread::new::thread_start::h48cf765408f6f5f2
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/sys/pal/unix/thread.rs:105:17
[INFO] [stdout]   44:     0x75e952e87ac3 - <unknown>
[INFO] [stdout]   45:     0x75e952f18a04 - 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] running `Command { std: "docker" "inspect" "46f4ebb692aacf53571d8a56a3a9bd52d788636fb9ce8b4a6c1027a6c56c5734", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "46f4ebb692aacf53571d8a56a3a9bd52d788636fb9ce8b4a6c1027a6c56c5734", kill_on_drop: false }`
[INFO] [stdout] 46f4ebb692aacf53571d8a56a3a9bd52d788636fb9ce8b4a6c1027a6c56c5734
