[INFO] cloning repository https://github.com/zkfriendly/lFibo [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/zkfriendly/lFibo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzkfriendly%2FlFibo", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzkfriendly%2FlFibo'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] f7eacd4e28025702f7f9ae04bf1d6d8a20844588 [INFO] checking zkfriendly/lFibo against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzkfriendly%2FlFibo" "/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/zkfriendly/lFibo on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/zkfriendly/lFibo [INFO] finished tweaking git repo https://github.com/zkfriendly/lFibo [INFO] tweaked toml for git repo https://github.com/zkfriendly/lFibo written to /workspace/builds/worker-5-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/zkfriendly/lFibo 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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] a47fe3901d08a8401d4d8ffac08f7589a3b33aec8f78d4ec5cfa85189d584d45 [INFO] running `Command { std: "docker" "start" "-a" "a47fe3901d08a8401d4d8ffac08f7589a3b33aec8f78d4ec5cfa85189d584d45", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a47fe3901d08a8401d4d8ffac08f7589a3b33aec8f78d4ec5cfa85189d584d45", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a47fe3901d08a8401d4d8ffac08f7589a3b33aec8f78d4ec5cfa85189d584d45", kill_on_drop: false }` [INFO] [stdout] a47fe3901d08a8401d4d8ffac08f7589a3b33aec8f78d4ec5cfa85189d584d45 [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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 48048a6f2fa490a39c0f2fbbd1f8f960bd39c0be42b61ba06a4c52e6fa78a543 [INFO] running `Command { std: "docker" "start" "-a" "48048a6f2fa490a39c0f2fbbd1f8f960bd39c0be42b61ba06a4c52e6fa78a543", kill_on_drop: false }` [INFO] [stderr] Compiling crossbeam-utils v0.8.18 [INFO] [stderr] Compiling radium v0.7.0 [INFO] [stderr] Checking tap v1.0.1 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Checking funty v2.0.0 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Checking subtle v2.5.0 [INFO] [stderr] Compiling rayon-core v1.12.0 [INFO] [stderr] Checking arrayvec v0.7.4 [INFO] [stderr] Checking wyz v0.5.1 [INFO] [stderr] Checking constant_time_eq v0.3.0 [INFO] [stderr] Checking arrayref v0.3.7 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking static_assertions v1.1.0 [INFO] [stderr] Checking either v1.9.0 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking blake2b_simd v1.0.2 [INFO] [stderr] Checking bitvec v1.0.1 [INFO] [stderr] Checking crossbeam-epoch v0.9.17 [INFO] [stderr] Checking crossbeam-deque v0.8.4 [INFO] [stderr] Checking rayon v1.8.0 [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 [INFO] [stderr] Checking fib v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::result` [INFO] [stdout] --> src/fibo_circuit2/fibo_chip.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use std::result; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::result` [INFO] [stdout] --> src/fibo_circuit2/fibo_chip.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use std::result; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `a` and `b` are never read [INFO] [stdout] --> src/fibo_circuit2/mod.rs:10:9 [INFO] [stdout] | [INFO] [stdout] 9 | pub struct FiboCircuit { [INFO] [stdout] | ----------- fields in this struct [INFO] [stdout] 10 | pub a: Option, [INFO] [stdout] | ^ [INFO] [stdout] 11 | pub b: Option, [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `a` and `b` are never read [INFO] [stdout] --> src/fibo_circuit2/mod.rs:10:9 [INFO] [stdout] | [INFO] [stdout] 9 | pub struct FiboCircuit { [INFO] [stdout] | ----------- fields in this struct [INFO] [stdout] 10 | pub a: Option, [INFO] [stdout] | ^ [INFO] [stdout] 11 | pub b: Option, [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `ACell` is never constructed [INFO] [stdout] --> src/fibo_circuit2/fibo_chip.rs:21:12 [INFO] [stdout] | [INFO] [stdout] 21 | pub struct ACell(AssignedCell); [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `ACell` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `ACell` is never constructed [INFO] [stdout] --> src/fibo_circuit2/fibo_chip.rs:21:12 [INFO] [stdout] | [INFO] [stdout] 21 | pub struct ACell(AssignedCell); [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `ACell` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.48s [INFO] running `Command { std: "docker" "inspect" "48048a6f2fa490a39c0f2fbbd1f8f960bd39c0be42b61ba06a4c52e6fa78a543", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "48048a6f2fa490a39c0f2fbbd1f8f960bd39c0be42b61ba06a4c52e6fa78a543", kill_on_drop: false }` [INFO] [stdout] 48048a6f2fa490a39c0f2fbbd1f8f960bd39c0be42b61ba06a4c52e6fa78a543