[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] testing enricobottazzi/halo2-intro against master#1871252fc8bb672d40787e67404e6eaae7059369 for pr-125151
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fenricobottazzi%2Fhalo2-intro" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/enricobottazzi/halo2-intro on toolchain 1871252fc8bb672d40787e67404e6eaae7059369
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "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-5-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" "+1871252fc8bb672d40787e67404e6eaae7059369" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating git repository `https://github.com/zcash/halo2.git`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pasta_curves v0.4.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 32352a46eac8d163f0c67772563a9b3b6dd4b3b9dbfb2fd2d298124e31bfd320
[INFO] running `Command { std: "docker" "start" "-a" "32352a46eac8d163f0c67772563a9b3b6dd4b3b9dbfb2fd2d298124e31bfd320", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "32352a46eac8d163f0c67772563a9b3b6dd4b3b9dbfb2fd2d298124e31bfd320", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "32352a46eac8d163f0c67772563a9b3b6dd4b3b9dbfb2fd2d298124e31bfd320", kill_on_drop: false }`
[INFO] [stdout] 32352a46eac8d163f0c67772563a9b3b6dd4b3b9dbfb2fd2d298124e31bfd320
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fefe185b9dfd9abacbb7e87976013e808cb1fefbc440106d2c541f8ad5490307
[INFO] running `Command { std: "docker" "start" "-a" "fefe185b9dfd9abacbb7e87976013e808cb1fefbc440106d2c541f8ad5490307", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.15
[INFO] [stderr]    Compiling memoffset v0.8.0
[INFO] [stderr]    Compiling radium v0.7.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.14
[INFO] [stderr]    Compiling libc v0.2.140
[INFO] [stderr]    Compiling tap v1.0.1
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling funty v2.0.0
[INFO] [stderr]    Compiling rayon-core v1.11.0
[INFO] [stderr]    Compiling subtle v2.5.0
[INFO] [stderr]    Compiling arrayvec v0.7.2
[INFO] [stderr]    Compiling arrayref v0.3.6
[INFO] [stderr]    Compiling constant_time_eq v0.2.5
[INFO] [stderr]    Compiling either v1.8.1
[INFO] [stderr]    Compiling static_assertions v1.1.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling wyz v0.5.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling blake2b_simd v1.0.1
[INFO] [stderr]    Compiling bitvec v1.0.1
[INFO] [stderr]    Compiling crossbeam-channel v0.5.7
[INFO] [stderr]    Compiling crossbeam-deque v0.8.3
[INFO] [stderr]    Compiling num_cpus v1.15.0
[INFO] [stderr]    Compiling rayon v1.7.0
[INFO] [stderr]    Compiling ff v0.12.1
[INFO] [stderr]    Compiling group v0.12.1
[INFO] [stderr]    Compiling pasta_curves v0.4.1
[INFO] [stderr]    Compiling halo2_proofs v0.1.0 (https://github.com/zcash/halo2.git?rev=a898d65ae3ad3d41987666f6a03cfc15edae01c4#a898d65a)
[INFO] [stderr]    Compiling 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: 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: 18 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.84s
[INFO] running `Command { std: "docker" "inspect" "fefe185b9dfd9abacbb7e87976013e808cb1fefbc440106d2c541f8ad5490307", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fefe185b9dfd9abacbb7e87976013e808cb1fefbc440106d2c541f8ad5490307", kill_on_drop: false }`
[INFO] [stdout] fefe185b9dfd9abacbb7e87976013e808cb1fefbc440106d2c541f8ad5490307
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ca2156af09b1264a6f03eca072d1d88eea0b9ebd88af6b8ce3fe383482497582
[INFO] running `Command { std: "docker" "start" "-a" "ca2156af09b1264a6f03eca072d1d88eea0b9ebd88af6b8ce3fe383482497582", kill_on_drop: false }`
[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: 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: 18 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling fibonacci v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Any`, `FailureLocation`, `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`, `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`, `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: 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] 
[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] 
[INFO] [stdout] warning: 15 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 2.20s
[INFO] running `Command { std: "docker" "inspect" "ca2156af09b1264a6f03eca072d1d88eea0b9ebd88af6b8ce3fe383482497582", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca2156af09b1264a6f03eca072d1d88eea0b9ebd88af6b8ce3fe383482497582", kill_on_drop: false }`
[INFO] [stdout] ca2156af09b1264a6f03eca072d1d88eea0b9ebd88af6b8ce3fe383482497582
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 40453334dba3efee7417813cee4c3802c3f031cd15a29f5ec4e5e93750b6f322
[INFO] running `Command { std: "docker" "start" "-a" "40453334dba3efee7417813cee4c3802c3f031cd15a29f5ec4e5e93750b6f322", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `std::marker::PhantomData`
[INFO] [stderr]   --> src/range_check/example5.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 | use std::marker::PhantomData;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `dev::metadata::Constraint`
[INFO] [stderr]  --> src/range_check/example5/table.rs:8:117
[INFO] [stderr]   |
[INFO] [stderr] 8 | ...m}, arithmetic::FieldExt, circuit::{Value, Layouter}, dev::metadata::Constraint};
[INFO] [stderr]   |                                                          ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]    --> src/range_check/example5.rs:119:12
[INFO] [stderr]     |
[INFO] [stderr] 119 |         if (range < RANGE) {
[INFO] [stderr]     |            ^             ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 119 -         if (range < RANGE) {
[INFO] [stderr] 119 +         if range < RANGE {
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::marker::PhantomData`
[INFO] [stderr]  --> src/range_check/example6.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::marker::PhantomData;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `dev::metadata::Constraint`
[INFO] [stderr]  --> src/range_check/example6/table.rs:9:117
[INFO] [stderr]   |
[INFO] [stderr] 9 | ...m}, arithmetic::FieldExt, circuit::{Value, Layouter}, dev::metadata::Constraint};
[INFO] [stderr]   |                                                          ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `RangeConstrained` is never constructed
[INFO] [stderr]   --> src/range_check/example4.rs:15:8
[INFO] [stderr]    |
[INFO] [stderr] 15 | struct RangeConstrained<F: FieldExt, const RANGE: usize>(AssignedCell<Assigned<F>, F>);
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct `RangeCheckConfig` is never constructed
[INFO] [stderr]   --> src/range_check/example4.rs:20:8
[INFO] [stderr]    |
[INFO] [stderr] 20 | struct RangeCheckConfig<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/example4.rs:31:8
[INFO] [stderr]    |
[INFO] [stderr] 29 | impl<F: FieldExt, const RANGE: usize> RangeCheckConfig<F, RANGE> {
[INFO] [stderr]    | ---------------------------------------------------------------- associated items in this implementation
[INFO] [stderr] 30 |
[INFO] [stderr] 31 |     fn configure(
[INFO] [stderr]    |        ^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 70 |     fn assign(
[INFO] [stderr]    |        ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `RangeConstrained` is never constructed
[INFO] [stderr]   --> src/range_check/example5.rs:26:8
[INFO] [stderr]    |
[INFO] [stderr] 26 | struct RangeConstrained<F: FieldExt, const RANGE: usize>(AssignedCell<Assigned<F>, F>);
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `RangeCheckConfig` is never constructed
[INFO] [stderr]   --> src/range_check/example5.rs:31:8
[INFO] [stderr]    |
[INFO] [stderr] 31 | struct RangeCheckConfig<F:FieldExt, const RANGE: usize, const LOOKUP_RANGE: usize> {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated items `configure` and `assign` are never used
[INFO] [stderr]    --> src/range_check/example5.rs:44:8
[INFO] [stderr]     |
[INFO] [stderr] 41  | impl<F: FieldExt, const RANGE: usize, const LOOKUP_RANGE: usize> RangeCheckConfig<F, RANGE, LOOKUP_RANGE> {
[INFO] [stderr]     | --------------------------------------------------------------------------------------------------------- associated items in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 44  |     fn configure(
[INFO] [stderr]     |        ^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 110 |     fn assign(
[INFO] [stderr]     |        ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `RangeCheckTable` is never constructed
[INFO] [stderr]   --> src/range_check/example5/table.rs:13:19
[INFO] [stderr]    |
[INFO] [stderr] 13 | pub(super) struct RangeCheckTable<F:FieldExt, const RANGE: usize> {
[INFO] [stderr]    |                   ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated items `configure` and `load` are never used
[INFO] [stderr]   --> src/range_check/example5/table.rs:21:19
[INFO] [stderr]    |
[INFO] [stderr] 18 | impl<F:FieldExt, const RANGE: usize> RangeCheckTable<F, RANGE> {
[INFO] [stderr]    | -------------------------------------------------------------- associated items in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 21 |     pub(super) fn configure(
[INFO] [stderr]    |                   ^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 35 |     pub(super) fn load(
[INFO] [stderr]    |                   ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `RangeConstrained` is never constructed
[INFO] [stderr]   --> src/range_check/example6.rs:20:8
[INFO] [stderr]    |
[INFO] [stderr] 20 | struct RangeConstrained<F: FieldExt, const RANGE: usize>(AssignedCell<Assigned<F>, F>);
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `RangeCheckConfig` is never constructed
[INFO] [stderr]   --> src/range_check/example6.rs:25:8
[INFO] [stderr]    |
[INFO] [stderr] 25 | struct RangeCheckConfig<F:FieldExt, const RANGE: usize, const LOOKUP_NUMBITS: usize, const LOOKUP_RANGE: usize> {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated items `configure` and `assign` are never used
[INFO] [stderr]    --> src/range_check/example6.rs:39:8
[INFO] [stderr]     |
[INFO] [stderr] 36  | impl<F: FieldExt, const RANGE: usize, const LOOKUP_NUMBITS: usize, const LOOKUP_RANGE: usize> RangeCheckConfig<F, RANGE, LOOKUP_NUMBITS, LOOKUP_RANGE...
[INFO] [stderr]     | ------------------------------------------------------------------------------------------------------------------------------------------------------ associated items in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 39  |     fn configure(
[INFO] [stderr]     |        ^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 112 |     fn assign(
[INFO] [stderr]     |        ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `RangeCheckTable` is never constructed
[INFO] [stderr]   --> src/range_check/example6/table.rs:14:19
[INFO] [stderr]    |
[INFO] [stderr] 14 | pub(super) struct RangeCheckTable<F:FieldExt, const NUM_BITS: usize, const RANGE: usize> {
[INFO] [stderr]    |                   ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated items `configure` and `load` are never used
[INFO] [stderr]   --> src/range_check/example6/table.rs:24:19
[INFO] [stderr]    |
[INFO] [stderr] 20 | impl<F:FieldExt, const NUM_BITS: usize, const RANGE: usize> RangeCheckTable<F, NUM_BITS, RANGE> {
[INFO] [stderr]    | ----------------------------------------------------------------------------------------------- associated items in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 24 |     pub(super) fn configure(
[INFO] [stderr]    |                   ^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 43 |     pub(super) fn load(&self, layouter: &mut impl Layouter<F>) -> Result<(), Error> {
[INFO] [stderr]    |                   ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Any`, `FailureLocation`, `VerifyFailure`
[INFO] [stderr]    --> src/range_check/example4.rs:100:15
[INFO] [stderr]     |
[INFO] [stderr] 100 |         dev::{FailureLocation, MockProver, VerifyFailure},
[INFO] [stderr]     |               ^^^^^^^^^^^^^^^              ^^^^^^^^^^^^^
[INFO] [stderr] 101 |         pasta::Fp,
[INFO] [stderr] 102 |         plonk::{Any, Circuit},
[INFO] [stderr]     |                 ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::marker::PhantomData`
[INFO] [stderr]   --> src/range_check/example5.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 | use std::marker::PhantomData;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Any`, `FailureLocation`, `VerifyFailure`
[INFO] [stderr]    --> src/range_check/example5.rs:167:15
[INFO] [stderr]     |
[INFO] [stderr] 167 |         dev::{FailureLocation, MockProver, VerifyFailure},
[INFO] [stderr]     |               ^^^^^^^^^^^^^^^              ^^^^^^^^^^^^^
[INFO] [stderr] 168 |         pasta::Fp,
[INFO] [stderr] 169 |         plonk::{Any, Circuit},
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `core::num`
[INFO] [stderr]    --> src/range_check/example6.rs:176:9
[INFO] [stderr]     |
[INFO] [stderr] 176 |     use core::num;
[INFO] [stderr]     |         ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Any`, `FailureLocation`, `MockProver`, `VerifyFailure`
[INFO] [stderr]    --> src/range_check/example6.rs:180:15
[INFO] [stderr]     |
[INFO] [stderr] 180 |         dev::{FailureLocation, MockProver, VerifyFailure},
[INFO] [stderr]     |               ^^^^^^^^^^^^^^^  ^^^^^^^^^^  ^^^^^^^^^^^^^
[INFO] [stderr] 181 |         pasta::Fp,
[INFO] [stderr] 182 |         plonk::{Any, Circuit},
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `k`
[INFO] [stderr]    --> src/range_check/example6.rs:226:13
[INFO] [stderr]     |
[INFO] [stderr] 226 |         let k = 9;
[INFO] [stderr]     |             ^ help: if this is intentional, prefix it with an underscore: `_k`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `circuit`
[INFO] [stderr]    --> src/range_check/example6.rs:231:13
[INFO] [stderr]     |
[INFO] [stderr] 231 |         let circuit = MyCircuit::<Fp, RANGE, LOOKUP_NUMBITS, LOOKUP_RANGE> {
[INFO] [stderr]     |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_circuit`
[INFO] [stderr] 
[INFO] [stderr] warning: struct `RangeConstrained` is never constructed
[INFO] [stderr]   --> src/range_check/example5.rs:26:8
[INFO] [stderr]    |
[INFO] [stderr] 26 | struct RangeConstrained<F: FieldExt, const RANGE: usize>(AssignedCell<Assigned<F>, F>);
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field `large_value` is never read
[INFO] [stderr]    --> src/range_check/example5.rs:177:9
[INFO] [stderr]     |
[INFO] [stderr] 175 |     struct MyCircuit<F: FieldExt, const RANGE: usize, const LOOKUP_RANGE: usize> {
[INFO] [stderr]     |            --------- field in this struct
[INFO] [stderr] 176 |         value: Value<Assigned<F>>,
[INFO] [stderr] 177 |         large_value: Value<Assigned<F>>
[INFO] [stderr]     |         ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field `large_value` is never read
[INFO] [stderr]    --> src/range_check/example6.rs:191:9
[INFO] [stderr]     |
[INFO] [stderr] 188 |     struct MyCircuit<F: FieldExt, const RANGE: usize, const LOOKUP_NUMBITS: usize, const LOOKUP_RANGE: usize> {
[INFO] [stderr]     |            --------- field in this struct
[INFO] [stderr] ...
[INFO] [stderr] 191 |         large_value: Value<Assigned<F>>
[INFO] [stderr]     |         ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `fibonacci` (lib) generated 18 warnings (run `cargo fix --lib -p fibonacci` to apply 5 suggestions)
[INFO] [stderr] warning: `fibonacci` (lib test) generated 15 warnings (5 duplicates) (run `cargo fix --lib -p fibonacci --tests` to apply 5 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/halo2_examples-c786b8fc96d28044)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test range_check::example6::tests::test_range_check_3 ... ok
[INFO] [stdout] test example3::tests::test_example3 ... ok
[INFO] [stdout] test range_check::example4::tests::test_range_check_1 ... FAILED
[INFO] [stdout] test range_check::example5::tests::test_range_check_2 ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- range_check::example4::tests::test_range_check_1 stdout ----
[INFO] [stdout] error: constraint not satisfied
[INFO] [stdout]   Cell layout in region 'Assign value':
[INFO] [stdout]     | Offset | A0 |
[INFO] [stdout]     +--------+----+
[INFO] [stdout]     |    0   | x0 | <--{ Gate 'range check' applied here
[INFO] [stdout] 
[INFO] [stdout]   Constraint 'range check':
[INFO] [stdout]     S0 * ((((((((x0 * (0 - x0)) * (1 - x0)) * (0x2 - x0)) * (0x3 - x0)) * (0x4 - x0)) * (0x5 - x0)) * (0x6 - x0)) * (0x7 - x0)) = 0
[INFO] [stdout] 
[INFO] [stdout]   Assigned cell values:
[INFO] [stdout]     x0 = 0x8
[INFO] [stdout] 
[INFO] [stdout] thread 'range_check::example4::tests::test_range_check_1' panicked at /opt/rustwide/cargo-home/git/checkouts/halo2-d6fd4df1666d8b25/a898d65/halo2_proofs/src/dev.rs:873:13:
[INFO] [stdout] circuit was not satisfied
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55a9d73174e5 - std::backtrace_rs::backtrace::libunwind::trace::h59d96bdb08384354
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/../../backtrace/src/backtrace/libunwind.rs:105:5
[INFO] [stdout]    1:     0x55a9d73174e5 - std::backtrace_rs::backtrace::trace_unsynchronized::h9cf5becacfc93fba
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x55a9d73174e5 - std::sys_common::backtrace::_print_fmt::h10b76d10405dbd48
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:68:5
[INFO] [stdout]    3:     0x55a9d73174e5 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h6ed9e62a156d84e4
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stdout]    4:     0x55a9d733e0ab - core::fmt::rt::Argument::fmt::h645c680983f03c9f
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/fmt/rt.rs:165:63
[INFO] [stdout]    5:     0x55a9d733e0ab - core::fmt::write::h8bcd80919a02be29
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/fmt/mod.rs:1169:21
[INFO] [stdout]    6:     0x55a9d7314d1f - std::io::Write::write_fmt::h8d0c47c662cad79c
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/io/mod.rs:1835:15
[INFO] [stdout]    7:     0x55a9d73172be - std::sys_common::backtrace::_print::h6306f131a28d62b0
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stdout]    8:     0x55a9d73172be - std::sys_common::backtrace::print::h7079288e0a26dfcc
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stdout]    9:     0x55a9d7318ce9 - std::panicking::default_hook::{{closure}}::hb063ecec81a736ba
[INFO] [stdout]   10:     0x55a9d73189ae - std::panicking::default_hook::hd56ee406bf547b5c
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:295:9
[INFO] [stdout]   11:     0x55a9d729cd2a - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::he5eacdef44c8728f
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/alloc/src/boxed.rs:2036:9
[INFO] [stdout]   12:     0x55a9d729cd2a - test::test_main::{{closure}}::h0ec9aed229e79095
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/test/src/lib.rs:137:21
[INFO] [stdout]   13:     0x55a9d73192eb - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hcbd0d80e1ad4e4f9
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/alloc/src/boxed.rs:2036:9
[INFO] [stdout]   14:     0x55a9d73192eb - std::panicking::rust_panic_with_hook::h624aa3ca42ebb8f2
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:799:13
[INFO] [stdout]   15:     0x55a9d731902b - std::panicking::begin_panic_handler::{{closure}}::hbc4e76194a5e287c
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:656:13
[INFO] [stdout]   16:     0x55a9d73179a9 - std::sys_common::backtrace::__rust_end_short_backtrace::h847fedc9d1ff7b6d
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:171:18
[INFO] [stdout]   17:     0x55a9d7318d97 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:652:5
[INFO] [stdout]   18:     0x55a9d719b843 - core::panicking::panic_fmt::hec11a924b87ce965
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/panicking.rs:72:14
[INFO] [stdout]   19:     0x55a9d7221c41 - halo2_proofs::dev::MockProver<F>::assert_satisfied::h22b7ff03f9de7b92
[INFO] [stdout]                                at /opt/rustwide/cargo-home/git/checkouts/halo2-d6fd4df1666d8b25/a898d65/halo2_proofs/src/dev.rs:873:13
[INFO] [stdout]   20:     0x55a9d723f952 - halo2_examples::range_check::example4::tests::test_range_check_1::h4f7a78c1cb212d0a
[INFO] [stdout]                                at /opt/rustwide/workdir/src/range_check/example4.rs:158:13
[INFO] [stdout]   21:     0x55a9d723f797 - halo2_examples::range_check::example4::tests::test_range_check_1::{{closure}}::he966087bd5e08131
[INFO] [stdout]                                at /opt/rustwide/workdir/src/range_check/example4.rs:137:28
[INFO] [stdout]   22:     0x55a9d71f8876 - core::ops::function::FnOnce::call_once::hdbb0a554b869662f
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   23:     0x55a9d72a170b - core::ops::function::FnOnce::call_once::h2e43a8f6f3d94b99
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x55a9d72a170b - test::__rust_begin_short_backtrace::h214c9f2d2d3fee90
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/test/src/lib.rs:625:18
[INFO] [stdout]   25:     0x55a9d72a0e11 - test::run_test_in_process::{{closure}}::h510b7ba7990692a5
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/test/src/lib.rs:648:60
[INFO] [stdout]   26:     0x55a9d72a0e11 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h4157186197a93871
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   27:     0x55a9d72a0e11 - std::panicking::try::do_call::h1bf2463bccd4b28c
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:559:40
[INFO] [stdout]   28:     0x55a9d72a0e11 - std::panicking::try::hd6d4808c9fab4fa5
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:523:19
[INFO] [stdout]   29:     0x55a9d72a0e11 - std::panic::catch_unwind::hd5641d97d123f9f2
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panic.rs:149:14
[INFO] [stdout]   30:     0x55a9d72a0e11 - test::run_test_in_process::hc273b71c8b878a4c
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/test/src/lib.rs:648:27
[INFO] [stdout]   31:     0x55a9d72a0e11 - test::run_test::{{closure}}::h6838df834eb8467e
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/test/src/lib.rs:569:43
[INFO] [stdout]   32:     0x55a9d72697d4 - test::run_test::{{closure}}::h608b98ecff5665fb
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/test/src/lib.rs:599:41
[INFO] [stdout]   33:     0x55a9d72697d4 - std::sys_common::backtrace::__rust_begin_short_backtrace::hdc4182b97d1042e9
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:155:18
[INFO] [stdout]   34:     0x55a9d726e202 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h571773fd21d674c8
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/thread/mod.rs:542:17
[INFO] [stdout]   35:     0x55a9d726e202 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hdcd384cf2fa70ba3
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   36:     0x55a9d726e202 - std::panicking::try::do_call::h4f1a44bd81423be1
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:559:40
[INFO] [stdout]   37:     0x55a9d726e202 - std::panicking::try::h5e02afcb81dcd361
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:523:19
[INFO] [stdout]   38:     0x55a9d726e202 - std::panic::catch_unwind::h022f75775bfd8c45
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panic.rs:149:14
[INFO] [stdout]   39:     0x55a9d726e202 - std::thread::Builder::spawn_unchecked_::{{closure}}::hf5a62e9e4e6df1f8
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/thread/mod.rs:541:30
[INFO] [stdout]   40:     0x55a9d726e202 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h6d56360aeb9509a7
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   41:     0x55a9d731d4cb - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h7a343dc551c06baa
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/alloc/src/boxed.rs:2022:9
[INFO] [stdout]   42:     0x55a9d731d4cb - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h30b8111cbaa644f3
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/alloc/src/boxed.rs:2022:9
[INFO] [stdout]   43:     0x55a9d731d4cb - std::sys::pal::unix::thread::Thread::new::thread_start::h7404e134e61e7a11
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys/pal/unix/thread.rs:108:17
[INFO] [stdout]   44:     0x7f8125c70ac3 - <unknown>
[INFO] [stdout]   45:     0x7f8125d01a04 - __clone
[INFO] [stdout]   46:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     range_check::example4::tests::test_range_check_1
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 3 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] running `Command { std: "docker" "inspect" "40453334dba3efee7417813cee4c3802c3f031cd15a29f5ec4e5e93750b6f322", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "40453334dba3efee7417813cee4c3802c3f031cd15a29f5ec4e5e93750b6f322", kill_on_drop: false }`
[INFO] [stdout] 40453334dba3efee7417813cee4c3802c3f031cd15a29f5ec4e5e93750b6f322
