[INFO] cloning repository https://github.com/0xbok/r1cs-halo2
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/0xbok/r1cs-halo2" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F0xbok%2Fr1cs-halo2", kill_on_drop: false }`
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[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5dc1db0f4af1ba95d2c4bfc82e2077e79ae2754f
[INFO] checking 0xbok/r1cs-halo2 against 1.95.0 for pr-155915
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F0xbok%2Fr1cs-halo2" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
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[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/0xbok/r1cs-halo2
[INFO] finished tweaking git repo https://github.com/0xbok/r1cs-halo2
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[INFO] validating manifest of git repo https://github.com/0xbok/r1cs-halo2 on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/0xbok/r1cs-halo2 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" "+1.95.0" "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-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
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[INFO] [stderr]    Compiling halo2curves v0.2.1 (https://github.com/privacy-scaling-explorations/halo2curves?tag=0.3.0#83c72d49)
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[INFO] [stderr]     Checking halo2_proofs v0.2.0 (https://github.com/privacy-scaling-explorations/halo2.git#50ee8ad7)
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[INFO] [stderr]     Checking r1cs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Assigned`, `Cell`, `Instance`, and `Selector`
[INFO] [stdout]  --> src/r1cs.rs:4:15
[INFO] [stdout]   |
[INFO] [stdout] 4 |     circuit::{Cell, Value, Layouter, SimpleFloorPlanner},
[INFO] [stdout]   |               ^^^^
[INFO] [stdout] 5 |     plonk::{Advice, Assigned, Circuit, Column, ConstraintSystem, Error, Fixed, Instance, Selector},
[INFO] [stdout]   |                     ^^^^^^^^                                                   ^^^^^^^^  ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `halo2_proofs::circuit::Value`
[INFO] [stdout]    --> src/r1cs.rs:115:9
[INFO] [stdout]     |
[INFO] [stdout] 115 |     use halo2_proofs::circuit::Value;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Assigned`, `Cell`, `Instance`, and `Selector`
[INFO] [stdout]  --> src/r1cs.rs:4:15
[INFO] [stdout]   |
[INFO] [stdout] 4 |     circuit::{Cell, Value, Layouter, SimpleFloorPlanner},
[INFO] [stdout]   |               ^^^^
[INFO] [stdout] 5 |     plonk::{Advice, Assigned, Circuit, Column, ConstraintSystem, Error, Fixed, Instance, Selector},
[INFO] [stdout]   |                     ^^^^^^^^                                                   ^^^^^^^^  ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `R1CSConfig` is never constructed
[INFO] [stdout]   --> src/r1cs.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | struct R1CSConfig {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `R1CSChip` is never constructed
[INFO] [stdout]   --> src/r1cs.rs:19:8
[INFO] [stdout]    |
[INFO] [stdout] 19 | struct R1CSChip<F: FieldExt> {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/r1cs.rs:25:8
[INFO] [stdout]    |
[INFO] [stdout] 24 | impl<F: FieldExt> R1CSChip<F> {
[INFO] [stdout]    | ----------------------------- associated function in this implementation
[INFO] [stdout] 25 |     fn new(config: R1CSConfig) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `R1CSComposer` is never used
[INFO] [stdout]   --> src/r1cs.rs:33:7
[INFO] [stdout]    |
[INFO] [stdout] 33 | trait R1CSComposer<F: FieldExt> {
[INFO] [stdout]    |       ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `R1CSCircuit` is never constructed
[INFO] [stdout]   --> src/r1cs.rs:64:8
[INFO] [stdout]    |
[INFO] [stdout] 64 | struct R1CSCircuit<F: FieldExt> {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 58.63s
[INFO] running `Command { std: "docker" "inspect" "af8835a2a9d91356c0276e5441d1427803241f4abaaf463db79ff56306920b42", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af8835a2a9d91356c0276e5441d1427803241f4abaaf463db79ff56306920b42", kill_on_drop: false }`
[INFO] [stdout] af8835a2a9d91356c0276e5441d1427803241f4abaaf463db79ff56306920b42
