[INFO] cloning repository https://github.com/flyingnobita/halo2-fibonacci
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/flyingnobita/halo2-fibonacci" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fflyingnobita%2Fhalo2-fibonacci", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fflyingnobita%2Fhalo2-fibonacci'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 35df1c44ba8b5a0b55c5737c4f935964f499c182
[INFO] checking flyingnobita/halo2-fibonacci against 1.95.0 for pr-155915
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fflyingnobita%2Fhalo2-fibonacci" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/flyingnobita/halo2-fibonacci
[INFO] finished tweaking git repo https://github.com/flyingnobita/halo2-fibonacci
[INFO] tweaked toml for git repo https://github.com/flyingnobita/halo2-fibonacci written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/flyingnobita/halo2-fibonacci 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/flyingnobita/halo2-fibonacci 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 }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded plotters-svg v0.3.3
[INFO] [stderr]   Downloaded plotters-bitmap v0.3.2
[INFO] [stderr]   Downloaded derive_builder_core v0.9.0
[INFO] [stderr]   Downloaded halo2_proofs v0.2.0
[INFO] [stderr]   Downloaded derive_builder v0.9.0
[INFO] [stderr]   Downloaded tabbycat v0.1.2
[INFO] [stderr]   Downloaded cmake v0.1.49
[INFO] [stderr]   Downloaded plotters v0.3.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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 }`
[INFO] [stdout] 106204d403e0a4f7986214f5e2eab13f9535ca1e556e34f96d157e4507b6cca3
[INFO] running `Command { std: "docker" "start" "-a" "106204d403e0a4f7986214f5e2eab13f9535ca1e556e34f96d157e4507b6cca3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "106204d403e0a4f7986214f5e2eab13f9535ca1e556e34f96d157e4507b6cca3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "106204d403e0a4f7986214f5e2eab13f9535ca1e556e34f96d157e4507b6cca3", kill_on_drop: false }`
[INFO] [stdout] 106204d403e0a4f7986214f5e2eab13f9535ca1e556e34f96d157e4507b6cca3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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 }`
[INFO] [stdout] eac5ab43502e49b949dbe2713f8e35f7e028ca478c32004966e770850a466f82
[INFO] running `Command { std: "docker" "start" "-a" "eac5ab43502e49b949dbe2713f8e35f7e028ca478c32004966e770850a466f82", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.137
[INFO] [stderr]    Compiling crossbeam-utils v0.8.12
[INFO] [stderr]    Compiling proc-macro2 v1.0.47
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling unicode-ident v1.0.5
[INFO] [stderr]    Compiling rayon-core v1.9.3
[INFO] [stderr]    Compiling syn v1.0.103
[INFO] [stderr]     Checking subtle v2.4.1
[INFO] [stderr]     Checking once_cell v1.16.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.11
[INFO] [stderr]    Compiling rayon v1.5.3
[INFO] [stderr]     Checking blake2b_simd v1.0.0
[INFO] [stderr]     Checking either v1.8.0
[INFO] [stderr]     Checking bitvec v1.0.1
[INFO] [stderr]     Checking tracing-core v0.1.30
[INFO] [stderr]     Checking crossbeam-channel v0.5.6
[INFO] [stderr]     Checking crossbeam-deque v0.8.2
[INFO] [stderr]     Checking getrandom v0.2.8
[INFO] [stderr]     Checking num_cpus v1.14.0
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking ff v0.12.1
[INFO] [stderr]     Checking group v0.12.1
[INFO] [stderr]     Checking pasta_curves v0.4.1
[INFO] [stderr]    Compiling tracing-attributes v0.1.23
[INFO] [stderr]     Checking tracing v0.1.37
[INFO] [stderr]     Checking halo2_proofs v0.2.0
[INFO] [stderr]     Checking halo2-fibonacci v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `ACell` is never constructed
[INFO] [stdout]  --> src/fibonacci/example1.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | 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/fibonacci/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/fibonacci/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/fibonacci/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/fibonacci/example1.rs:132:8
[INFO] [stdout]     |
[INFO] [stdout] 132 | struct MyCircuit<F> {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 15.50s
[INFO] running `Command { std: "docker" "inspect" "eac5ab43502e49b949dbe2713f8e35f7e028ca478c32004966e770850a466f82", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eac5ab43502e49b949dbe2713f8e35f7e028ca478c32004966e770850a466f82", kill_on_drop: false }`
[INFO] [stdout] eac5ab43502e49b949dbe2713f8e35f7e028ca478c32004966e770850a466f82
