[INFO] cloning repository https://github.com/yugonsan/halo2_practice
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/yugonsan/halo2_practice" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyugonsan%2Fhalo2_practice", kill_on_drop: false }`
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[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9e57a0c73014b9f936b12dd0729bf25e94fa7d92
[INFO] checking yugonsan/halo2_practice against master#85c39893a761fe4c050523278da4e7e45ab42b6e for pr-134688-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyugonsan%2Fhalo2_practice" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
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[INFO] validating manifest of git repo https://github.com/yugonsan/halo2_practice on toolchain 85c39893a761fe4c050523278da4e7e45ab42b6e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+85c39893a761fe4c050523278da4e7e45ab42b6e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/yugonsan/halo2_practice
[INFO] finished tweaking git repo https://github.com/yugonsan/halo2_practice
[INFO] tweaked toml for git repo https://github.com/yugonsan/halo2_practice written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/yugonsan/halo2_practice 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" "+85c39893a761fe4c050523278da4e7e45ab42b6e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+85c39893a761fe4c050523278da4e7e45ab42b6e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cc1efca039ca1048d148965933023009a334fcedf299d1f1b78c1d75a65ef991
[INFO] running `Command { std: "docker" "start" "-a" "cc1efca039ca1048d148965933023009a334fcedf299d1f1b78c1d75a65ef991", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cc1efca039ca1048d148965933023009a334fcedf299d1f1b78c1d75a65ef991", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc1efca039ca1048d148965933023009a334fcedf299d1f1b78c1d75a65ef991", kill_on_drop: false }`
[INFO] [stdout] cc1efca039ca1048d148965933023009a334fcedf299d1f1b78c1d75a65ef991
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+85c39893a761fe4c050523278da4e7e45ab42b6e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9e12ca8dabe6c55685c52697c7856ceb317a8bb192d15189986f0045fd2c7c99
[INFO] running `Command { std: "docker" "start" "-a" "9e12ca8dabe6c55685c52697c7856ceb317a8bb192d15189986f0045fd2c7c99", kill_on_drop: false }`
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[INFO] [stderr]    Compiling libc v0.2.144
[INFO] [stderr]    Compiling proc-macro2 v1.0.66
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[INFO] [stderr]    Compiling halo2curves v0.3.1 (https://github.com/privacy-scaling-explorations/halo2curves.git?tag=0.3.1#9b67e19b)
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[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]    Compiling tracing-attributes v0.1.26
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[INFO] [stderr]     Checking tracing v0.1.37
[INFO] [stderr]     Checking halo2_proofs v0.2.0 (https://github.com/qope/halo2.git?branch=nuno-fix#55ea456e)
[INFO] [stderr]     Checking halo2-base v0.2.2 (https://github.com/qope/halo2-lib?branch=0.2.2#3b762aa0)
[INFO] [stderr]     Checking poseidon-circuit v0.1.0 (https://github.com/qope/poseidon-circuit#f896fcac)
[INFO] [stderr]     Checking halo2simple_tutorial v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `process::ChildStderr`
[INFO] [stdout]  --> src/e3_fibonacci_ex1.rs:1:32
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{marker::PhantomData, process::ChildStderr};
[INFO] [stdout]   |                                ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]  --> src/e3_fibonacci_ex1.rs:2:55
[INFO] [stdout]   |
[INFO] [stdout] 2 | use halo2_proofs::{arithmetic::FieldExt, circuit::{*, self}, plonk::*, poly::Rotation};
[INFO] [stdout]   |                                                       ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `process::ChildStderr`
[INFO] [stdout]  --> src/e3_fibonacci_ex2.rs:2:32
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::{marker::PhantomData, process::ChildStderr};
[INFO] [stdout]   |                                ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `PhantomPinned` and `path::Components`
[INFO] [stdout]  --> src/e4_simple_rangecheck.rs:1:33
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{marker::{PhantomData, PhantomPinned}, path::Components};
[INFO] [stdout]   |                                 ^^^^^^^^^^^^^   ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `layouter`
[INFO] [stdout]  --> src/e4_simple_rangecheck.rs:4:46
[INFO] [stdout]   |
[INFO] [stdout] 4 |     circuit::{AssignedCell, Layouter, Value, layouter, floor_planner::V1},
[INFO] [stdout]   |                                              ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::marker::PhantomData`
[INFO] [stdout]  --> src/e5_lookup_rangecheck.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::marker::PhantomData;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `process::ChildStderr`
[INFO] [stdout]  --> src/e3_fibonacci_ex1.rs:1:32
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{marker::PhantomData, process::ChildStderr};
[INFO] [stdout]   |                                ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]  --> src/e3_fibonacci_ex1.rs:2:55
[INFO] [stdout]   |
[INFO] [stdout] 2 | use halo2_proofs::{arithmetic::FieldExt, circuit::{*, self}, plonk::*, poly::Rotation};
[INFO] [stdout]   |                                                       ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `process::ChildStderr`
[INFO] [stdout]  --> src/e3_fibonacci_ex2.rs:2:32
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::{marker::PhantomData, process::ChildStderr};
[INFO] [stdout]   |                                ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `PhantomPinned` and `path::Components`
[INFO] [stdout]  --> src/e4_simple_rangecheck.rs:1:33
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{marker::{PhantomData, PhantomPinned}, path::Components};
[INFO] [stdout]   |                                 ^^^^^^^^^^^^^   ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `layouter`
[INFO] [stdout]  --> src/e4_simple_rangecheck.rs:4:46
[INFO] [stdout]   |
[INFO] [stdout] 4 |     circuit::{AssignedCell, Layouter, Value, layouter, floor_planner::V1},
[INFO] [stdout]   |                                              ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::marker::PhantomData`
[INFO] [stdout]  --> src/e5_lookup_rangecheck.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::marker::PhantomData;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `expose_public` is never used
[INFO] [stdout]   --> src/e0_tutorial_answer.rs:73:8
[INFO] [stdout]    |
[INFO] [stdout] 52 | trait TutorialComposer<F: FieldExt> {
[INFO] [stdout]    |       ---------------- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 73 |     fn expose_public(
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `HashCircuit` is never constructed
[INFO] [stdout]   --> src/e6_poseidon_test.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | struct HashCircuit<S: Spec<Fr, WIDTH, RATE>, const WIDTH: usize, const RATE: usize, const L: usize>
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `expose_public` is never used
[INFO] [stdout]   --> src/e0_tutorial_answer.rs:73:8
[INFO] [stdout]    |
[INFO] [stdout] 52 | trait TutorialComposer<F: FieldExt> {
[INFO] [stdout]    |       ---------------- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 73 |     fn expose_public(
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 25.31s
[INFO] running `Command { std: "docker" "inspect" "9e12ca8dabe6c55685c52697c7856ceb317a8bb192d15189986f0045fd2c7c99", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e12ca8dabe6c55685c52697c7856ceb317a8bb192d15189986f0045fd2c7c99", kill_on_drop: false }`
[INFO] [stdout] 9e12ca8dabe6c55685c52697c7856ceb317a8bb192d15189986f0045fd2c7c99