[INFO] cloning repository https://github.com/enricobottazzi/halo2-intro
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/enricobottazzi/halo2-intro" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fenricobottazzi%2Fhalo2-intro", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fenricobottazzi%2Fhalo2-intro'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fa17f3313858cc39b5da2e8a97b67c5477b7ebf2
[INFO] checking enricobottazzi/halo2-intro against master#a26e97be8826d408309fffbd8168362365719f50 for pr-136776
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fenricobottazzi%2Fhalo2-intro" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/enricobottazzi/halo2-intro on toolchain a26e97be8826d408309fffbd8168362365719f50
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a26e97be8826d408309fffbd8168362365719f50" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/enricobottazzi/halo2-intro
[INFO] finished tweaking git repo https://github.com/enricobottazzi/halo2-intro
[INFO] tweaked toml for git repo https://github.com/enricobottazzi/halo2-intro written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/enricobottazzi/halo2-intro already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a26e97be8826d408309fffbd8168362365719f50" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/zcash/halo2.git`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded syn v2.0.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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_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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+a26e97be8826d408309fffbd8168362365719f50" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] de1ea5abc089861966dea51e88a2a76eb345372db48f0e9c62f7a85d9db0eed5
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[INFO] running `Command { std: "docker" "inspect" "de1ea5abc089861966dea51e88a2a76eb345372db48f0e9c62f7a85d9db0eed5", kill_on_drop: false }`
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[INFO] [stdout] 26f59c354f8634576b7acf20e78fd741ac66557220e272b05107da7dd265aaa9
[INFO] running `Command { std: "docker" "start" "-a" "26f59c354f8634576b7acf20e78fd741ac66557220e272b05107da7dd265aaa9", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.15
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling radium v0.7.0
[INFO] [stderr]    Compiling libc v0.2.140
[INFO] [stderr]     Checking tap v1.0.1
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking funty v2.0.0
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking subtle v2.5.0
[INFO] [stderr]    Compiling rayon-core v1.11.0
[INFO] [stderr]     Checking constant_time_eq v0.2.5
[INFO] [stderr]     Checking arrayvec v0.7.2
[INFO] [stderr]     Checking arrayref v0.3.6
[INFO] [stderr]     Checking either v1.8.1
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking wyz v0.5.1
[INFO] [stderr]     Checking blake2b_simd v1.0.1
[INFO] [stderr]    Compiling memoffset v0.8.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.14
[INFO] [stderr]     Checking bitvec v1.0.1
[INFO] [stderr]     Checking crossbeam-channel v0.5.7
[INFO] [stderr]     Checking crossbeam-deque v0.8.3
[INFO] [stderr]     Checking num_cpus v1.15.0
[INFO] [stderr]     Checking rayon v1.7.0
[INFO] [stderr]     Checking ff v0.12.1
[INFO] [stderr]     Checking group v0.12.1
[INFO] [stderr]     Checking pasta_curves v0.4.1
[INFO] [stderr]     Checking halo2_proofs v0.1.0 (https://github.com/zcash/halo2.git?rev=a898d65ae3ad3d41987666f6a03cfc15edae01c4#a898d65a)
[INFO] [stderr]     Checking fibonacci v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::marker::PhantomData`
[INFO] [stdout]   --> src/range_check/example5.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use std::marker::PhantomData;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `dev::metadata::Constraint`
[INFO] [stdout]  --> src/range_check/example5/table.rs:8:117
[INFO] [stdout]   |
[INFO] [stdout] 8 | ...m}, arithmetic::FieldExt, circuit::{Value, Layouter}, dev::metadata::Constraint};
[INFO] [stdout]   |                                                          ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/range_check/example5.rs:119:12
[INFO] [stdout]     |
[INFO] [stdout] 119 |         if (range < RANGE) {
[INFO] [stdout]     |            ^             ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 119 -         if (range < RANGE) {
[INFO] [stdout] 119 +         if range < RANGE {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::marker::PhantomData`
[INFO] [stdout]  --> src/range_check/example6.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::marker::PhantomData;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `dev::metadata::Constraint`
[INFO] [stdout]  --> src/range_check/example6/table.rs:9:117
[INFO] [stdout]   |
[INFO] [stdout] 9 | ...m}, arithmetic::FieldExt, circuit::{Value, Layouter}, dev::metadata::Constraint};
[INFO] [stdout]   |                                                          ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Any`, `FailureLocation`, and `VerifyFailure`
[INFO] [stdout]    --> src/range_check/example4.rs:100:15
[INFO] [stdout]     |
[INFO] [stdout] 100 |         dev::{FailureLocation, MockProver, VerifyFailure},
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^              ^^^^^^^^^^^^^
[INFO] [stdout] 101 |         pasta::Fp,
[INFO] [stdout] 102 |         plonk::{Any, Circuit},
[INFO] [stdout]     |                 ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::marker::PhantomData`
[INFO] [stdout]   --> src/range_check/example5.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use std::marker::PhantomData;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `dev::metadata::Constraint`
[INFO] [stdout]  --> src/range_check/example5/table.rs:8:117
[INFO] [stdout]   |
[INFO] [stdout] 8 | ...m}, arithmetic::FieldExt, circuit::{Value, Layouter}, dev::metadata::Constraint};
[INFO] [stdout]   |                                                          ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/range_check/example5.rs:119:12
[INFO] [stdout]     |
[INFO] [stdout] 119 |         if (range < RANGE) {
[INFO] [stdout]     |            ^             ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 119 -         if (range < RANGE) {
[INFO] [stdout] 119 +         if range < RANGE {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Any`, `FailureLocation`, and `VerifyFailure`
[INFO] [stdout]    --> src/range_check/example5.rs:167:15
[INFO] [stdout]     |
[INFO] [stdout] 167 |         dev::{FailureLocation, MockProver, VerifyFailure},
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^              ^^^^^^^^^^^^^
[INFO] [stdout] 168 |         pasta::Fp,
[INFO] [stdout] 169 |         plonk::{Any, Circuit},
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::marker::PhantomData`
[INFO] [stdout]  --> src/range_check/example6.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::marker::PhantomData;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `dev::metadata::Constraint`
[INFO] [stdout]  --> src/range_check/example6/table.rs:9:117
[INFO] [stdout]   |
[INFO] [stdout] 9 | ...m}, arithmetic::FieldExt, circuit::{Value, Layouter}, dev::metadata::Constraint};
[INFO] [stdout]   |                                                          ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `core::num`
[INFO] [stdout]    --> src/range_check/example6.rs:176:9
[INFO] [stdout]     |
[INFO] [stdout] 176 |     use core::num;
[INFO] [stdout]     |         ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Any`, `FailureLocation`, `MockProver`, and `VerifyFailure`
[INFO] [stdout]    --> src/range_check/example6.rs:180:15
[INFO] [stdout]     |
[INFO] [stdout] 180 |         dev::{FailureLocation, MockProver, VerifyFailure},
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^  ^^^^^^^^^^  ^^^^^^^^^^^^^
[INFO] [stdout] 181 |         pasta::Fp,
[INFO] [stdout] 182 |         plonk::{Any, Circuit},
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `RangeConstrained` is never constructed
[INFO] [stdout]   --> src/range_check/example4.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 15 | struct RangeConstrained<F: FieldExt, const RANGE: usize>(AssignedCell<Assigned<F>, F>);
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `RangeCheckConfig` is never constructed
[INFO] [stdout]   --> src/range_check/example4.rs:20:8
[INFO] [stdout]    |
[INFO] [stdout] 20 | struct RangeCheckConfig<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/example4.rs:31:8
[INFO] [stdout]    |
[INFO] [stdout] 29 | impl<F: FieldExt, const RANGE: usize> RangeCheckConfig<F, RANGE> {
[INFO] [stdout]    | ---------------------------------------------------------------- associated items in this implementation
[INFO] [stdout] 30 |
[INFO] [stdout] 31 |     fn configure(
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 70 |     fn assign(
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `RangeConstrained` is never constructed
[INFO] [stdout]   --> src/range_check/example5.rs:26:8
[INFO] [stdout]    |
[INFO] [stdout] 26 | struct RangeConstrained<F: FieldExt, const RANGE: usize>(AssignedCell<Assigned<F>, F>);
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `RangeCheckConfig` is never constructed
[INFO] [stdout]   --> src/range_check/example5.rs:31:8
[INFO] [stdout]    |
[INFO] [stdout] 31 | struct RangeCheckConfig<F:FieldExt, const RANGE: usize, const LOOKUP_RANGE: usize> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `configure` and `assign` are never used
[INFO] [stdout]    --> src/range_check/example5.rs:44:8
[INFO] [stdout]     |
[INFO] [stdout] 41  | impl<F: FieldExt, const RANGE: usize, const LOOKUP_RANGE: usize> RangeCheckConfig<F, RANGE, LOOKUP_RANGE> {
[INFO] [stdout]     | --------------------------------------------------------------------------------------------------------- associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 44  |     fn configure(
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 110 |     fn assign(
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `RangeCheckTable` is never constructed
[INFO] [stdout]   --> src/range_check/example5/table.rs:13:19
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub(super) struct RangeCheckTable<F:FieldExt, const RANGE: usize> {
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `configure` and `load` are never used
[INFO] [stdout]   --> src/range_check/example5/table.rs:21:19
[INFO] [stdout]    |
[INFO] [stdout] 18 | impl<F:FieldExt, const RANGE: usize> RangeCheckTable<F, RANGE> {
[INFO] [stdout]    | -------------------------------------------------------------- associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 21 |     pub(super) fn configure(
[INFO] [stdout]    |                   ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 35 |     pub(super) fn load(
[INFO] [stdout]    |                   ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `RangeConstrained` is never constructed
[INFO] [stdout]   --> src/range_check/example6.rs:20:8
[INFO] [stdout]    |
[INFO] [stdout] 20 | struct RangeConstrained<F: FieldExt, const RANGE: usize>(AssignedCell<Assigned<F>, F>);
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `RangeCheckConfig` is never constructed
[INFO] [stdout]   --> src/range_check/example6.rs:25:8
[INFO] [stdout]    |
[INFO] [stdout] 25 | struct RangeCheckConfig<F:FieldExt, const RANGE: usize, const LOOKUP_NUMBITS: usize, const LOOKUP_RANGE: usize> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `configure` and `assign` are never used
[INFO] [stdout]    --> src/range_check/example6.rs:39:8
[INFO] [stdout]     |
[INFO] [stdout] 36  | impl<F: FieldExt, const RANGE: usize, const LOOKUP_NUMBITS: usize, const LOOKUP_RANGE: usize> RangeCheckConfig<F, RANGE, LOOKUP_NUMBITS, LOOKUP_RANGE...
[INFO] [stdout]     | ------------------------------------------------------------------------------------------------------------------------------------------------------ associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 39  |     fn configure(
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 112 |     fn assign(
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `RangeCheckTable` is never constructed
[INFO] [stdout]   --> src/range_check/example6/table.rs:14:19
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub(super) struct RangeCheckTable<F:FieldExt, const NUM_BITS: usize, const RANGE: usize> {
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `configure` and `load` are never used
[INFO] [stdout]   --> src/range_check/example6/table.rs:24:19
[INFO] [stdout]    |
[INFO] [stdout] 20 | impl<F:FieldExt, const NUM_BITS: usize, const RANGE: usize> RangeCheckTable<F, NUM_BITS, RANGE> {
[INFO] [stdout]    | ----------------------------------------------------------------------------------------------- associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 24 |     pub(super) fn configure(
[INFO] [stdout]    |                   ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 43 |     pub(super) fn load(&self, layouter: &mut impl Layouter<F>) -> Result<(), Error> {
[INFO] [stdout]    |                   ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `k`
[INFO] [stdout]    --> src/range_check/example6.rs:226:13
[INFO] [stdout]     |
[INFO] [stdout] 226 |         let k = 9;
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_k`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `circuit`
[INFO] [stdout]    --> src/range_check/example6.rs:231:13
[INFO] [stdout]     |
[INFO] [stdout] 231 |         let circuit = MyCircuit::<Fp, RANGE, LOOKUP_NUMBITS, LOOKUP_RANGE> {
[INFO] [stdout]     |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_circuit`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `RangeConstrained` is never constructed
[INFO] [stdout]   --> src/range_check/example5.rs:26:8
[INFO] [stdout]    |
[INFO] [stdout] 26 | struct RangeConstrained<F: FieldExt, const RANGE: usize>(AssignedCell<Assigned<F>, F>);
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `large_value` is never read
[INFO] [stdout]    --> src/range_check/example5.rs:177:9
[INFO] [stdout]     |
[INFO] [stdout] 175 |     struct MyCircuit<F: FieldExt, const RANGE: usize, const LOOKUP_RANGE: usize> {
[INFO] [stdout]     |            --------- field in this struct
[INFO] [stdout] 176 |         value: Value<Assigned<F>>,
[INFO] [stdout] 177 |         large_value: Value<Assigned<F>>
[INFO] [stdout]     |         ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `MyCircuit` has a derived impl for the trait `Default`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `RangeConstrained` is never constructed
[INFO] [stdout]   --> src/range_check/example6.rs:20:8
[INFO] [stdout]    |
[INFO] [stdout] 20 | struct RangeConstrained<F: FieldExt, const RANGE: usize>(AssignedCell<Assigned<F>, F>);
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `large_value` is never read
[INFO] [stdout]    --> src/range_check/example6.rs:191:9
[INFO] [stdout]     |
[INFO] [stdout] 188 |     struct MyCircuit<F: FieldExt, const RANGE: usize, const LOOKUP_NUMBITS: usize, const LOOKUP_RANGE: usize> {
[INFO] [stdout]     |            --------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 191 |         large_value: Value<Assigned<F>>
[INFO] [stdout]     |         ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `MyCircuit` has a derived impl for the trait `Default`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.15s
[INFO] running `Command { std: "docker" "inspect" "26f59c354f8634576b7acf20e78fd741ac66557220e272b05107da7dd265aaa9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "26f59c354f8634576b7acf20e78fd741ac66557220e272b05107da7dd265aaa9", kill_on_drop: false }`
[INFO] [stdout] 26f59c354f8634576b7acf20e78fd741ac66557220e272b05107da7dd265aaa9
