[INFO] cloning repository https://github.com/hiroism007/halo2_example
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hiroism007/halo2_example" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhiroism007%2Fhalo2_example", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhiroism007%2Fhalo2_example'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d6e7c82606e3fa34edcc43bc24f7687ffa403a80
[INFO] checking hiroism007/halo2_example against try#b1f2594eac607c1f051534800237eeedb5590a49 for pr-139493-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhiroism007%2Fhalo2_example" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/hiroism007/halo2_example
[INFO] finished tweaking git repo https://github.com/hiroism007/halo2_example
[INFO] tweaked toml for git repo https://github.com/hiroism007/halo2_example written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/hiroism007/halo2_example on toolchain b1f2594eac607c1f051534800237eeedb5590a49
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/hiroism007/halo2_example 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" "+b1f2594eac607c1f051534800237eeedb5590a49" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 86250d2174ad270fca2ef307e04b71643bf70995ceac393b4a782d8615f2c900
[INFO] running `Command { std: "docker" "start" "-a" "86250d2174ad270fca2ef307e04b71643bf70995ceac393b4a782d8615f2c900", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "86250d2174ad270fca2ef307e04b71643bf70995ceac393b4a782d8615f2c900", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "86250d2174ad270fca2ef307e04b71643bf70995ceac393b4a782d8615f2c900", kill_on_drop: false }`
[INFO] [stdout] 86250d2174ad270fca2ef307e04b71643bf70995ceac393b4a782d8615f2c900
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f298e9536034d162405044b0cb92f71460cbbe2f03c6d66b46b9ba13d6bd53ad
[INFO] running `Command { std: "docker" "start" "-a" "f298e9536034d162405044b0cb92f71460cbbe2f03c6d66b46b9ba13d6bd53ad", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.12
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.11
[INFO] [stderr]    Compiling rayon-core v1.9.3
[INFO] [stderr]    Compiling rayon v1.5.3
[INFO] [stderr]     Checking wyz v0.5.0
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking blake2b_simd v1.0.0
[INFO] [stderr]     Checking either v1.8.0
[INFO] [stderr]     Checking num_cpus v1.14.0
[INFO] [stderr]     Checking bitvec v1.0.1
[INFO] [stderr]     Checking crossbeam-channel v0.5.6
[INFO] [stderr]     Checking crossbeam-deque v0.8.2
[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: struct `ACell` is never constructed
[INFO] [stdout]  --> src/example2.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | struct ACell<F: FieldExt>(AssignedCell<F, F>);
[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 `FiboConfig` is never constructed
[INFO] [stdout]  --> src/example2.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | struct FiboConfig {
[INFO] [stdout]   |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `FiboChip` is never constructed
[INFO] [stdout]   --> src/example2.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 15 | struct FiboChip<F: FieldExt> {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `construct`, `configure`, `assign`, and `expose_public` are never used
[INFO] [stdout]    --> src/example2.rs:21:12
[INFO] [stdout]     |
[INFO] [stdout]  20 | impl<F: FieldExt> FiboChip<F> {
[INFO] [stdout]     | ----------------------------- associated items in this implementation
[INFO] [stdout]  21 |     pub fn construct(config: FiboConfig) -> Self {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  28 |     pub fn configure(
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  60 |     pub fn assign(
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 111 |     pub fn expose_public(
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ACell` is never constructed
[INFO] [stdout]  --> src/example1.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | struct ACell<F: FieldExt>(AssignedCell<F, F>);
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `FiboConfig` is never constructed
[INFO] [stdout]  --> src/example1.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 | struct FiboConfig {
[INFO] [stdout]   |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `FiboChip` is never constructed
[INFO] [stdout]   --> src/example1.rs:16:8
[INFO] [stdout]    |
[INFO] [stdout] 16 | struct FiboChip<F: FieldExt> {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `construct`, `configure`, `assign_first_row`, `assign_row`, and `expose_public` are never used
[INFO] [stdout]    --> src/example1.rs:22:12
[INFO] [stdout]     |
[INFO] [stdout]  21 | impl<F: FieldExt> FiboChip<F> {
[INFO] [stdout]     | ----------------------------- associated items in this implementation
[INFO] [stdout]  22 |     pub fn construct(config: FiboConfig) -> Self {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  29 |     pub fn configure(
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  64 |     pub fn assign_first_row(
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  92 |     pub fn assign_row(
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 121 |     pub fn expose_public(
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MyCircuit` is never constructed
[INFO] [stdout]    --> src/example1.rs:132:8
[INFO] [stdout]     |
[INFO] [stdout] 132 | struct MyCircuit<F> {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ACell` is never constructed
[INFO] [stdout]  --> src/example3.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | struct ACell<F: FieldExt>(AssignedCell<F, F>);
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `FiboConfig` is never constructed
[INFO] [stdout]  --> src/example3.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | struct FiboConfig {
[INFO] [stdout]   |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `FiboChip` is never constructed
[INFO] [stdout]   --> src/example3.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 15 | struct FiboChip<F: FieldExt> {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `construct`, `configure`, `assign`, and `expose_public` are never used
[INFO] [stdout]    --> src/example3.rs:21:12
[INFO] [stdout]     |
[INFO] [stdout]  20 | impl<F: FieldExt> FiboChip<F> {
[INFO] [stdout]     | ----------------------------- associated items in this implementation
[INFO] [stdout]  21 |     pub fn construct(config: FiboConfig) -> Self {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  28 |     pub fn configure(
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  62 |     pub fn assign(
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 131 |     pub fn expose_public(
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/example3.rs:189:13
[INFO] [stdout]     |
[INFO] [stdout] 189 |         let mut public_input = vec![a, b, out];
[INFO] [stdout]     |             ----^^^^^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ACell` is never constructed
[INFO] [stdout]  --> src/example2.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | struct ACell<F: FieldExt>(AssignedCell<F, F>);
[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 `ACell` is never constructed
[INFO] [stdout]  --> src/example3.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | struct ACell<F: FieldExt>(AssignedCell<F, F>);
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.19s
[INFO] running `Command { std: "docker" "inspect" "f298e9536034d162405044b0cb92f71460cbbe2f03c6d66b46b9ba13d6bd53ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f298e9536034d162405044b0cb92f71460cbbe2f03c6d66b46b9ba13d6bd53ad", kill_on_drop: false }`
[INFO] [stdout] f298e9536034d162405044b0cb92f71460cbbe2f03c6d66b46b9ba13d6bd53ad
