[INFO] cloning repository https://github.com/amyzx/arkworks_learn
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/amyzx/arkworks_learn" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Famyzx%2Farkworks_learn", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Famyzx%2Farkworks_learn'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3da9be1d7ee3a3f21c4cef2329247985cfa03d33
[INFO] testing amyzx/arkworks_learn against 1.59.0 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Famyzx%2Farkworks_learn" "/workspace/builds/worker-21/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-21/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/amyzx/arkworks_learn on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/amyzx/arkworks_learn
[INFO] finished tweaking git repo https://github.com/amyzx/arkworks_learn
[INFO] tweaked toml for git repo https://github.com/amyzx/arkworks_learn written to /workspace/builds/worker-21/source/Cargo.toml
[INFO] crate git repo https://github.com/amyzx/arkworks_learn already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e5523cde24b377438112797d5a393552ec50e1c13b5b717aab1e77cb715edec9
[INFO] running `Command { std: "docker" "start" "-a" "e5523cde24b377438112797d5a393552ec50e1c13b5b717aab1e77cb715edec9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e5523cde24b377438112797d5a393552ec50e1c13b5b717aab1e77cb715edec9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e5523cde24b377438112797d5a393552ec50e1c13b5b717aab1e77cb715edec9", kill_on_drop: false }`
[INFO] [stdout] e5523cde24b377438112797d5a393552ec50e1c13b5b717aab1e77cb715edec9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f62cdec386a8e23cbca9b0e61ed128c189129fa5b1d5e84fa01714132679f6f4
[INFO] running `Command { std: "docker" "start" "-a" "f62cdec386a8e23cbca9b0e61ed128c189129fa5b1d5e84fa01714132679f6f4", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling libc v0.2.100
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling subtle v2.4.1
[INFO] [stderr]    Compiling once_cell v1.8.0
[INFO] [stderr]    Compiling serde v1.0.129
[INFO] [stderr]    Compiling tracing-core v0.1.19
[INFO] [stderr]    Compiling ahash v0.7.4
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling ark-ff v0.2.0
[INFO] [stderr]    Compiling rand_xorshift v0.2.0
[INFO] [stderr]    Compiling tracing-subscriber v0.2.20
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling crypto-mac v0.8.0
[INFO] [stderr]    Compiling digest v0.9.0
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling blake2 v0.9.1
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling syn v1.0.75
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling bstr v0.2.16
[INFO] [stderr]    Compiling ark-std v0.2.0
[INFO] [stderr]    Compiling csv v1.1.6
[INFO] [stderr]    Compiling synstructure v0.12.5
[INFO] [stderr]    Compiling zeroize_derive v1.1.0
[INFO] [stderr]    Compiling ark-serialize-derive v0.2.0
[INFO] [stderr]    Compiling ark-ff-asm v0.2.0
[INFO] [stderr]    Compiling derivative v2.2.0
[INFO] [stderr]    Compiling ark-ff-macros v0.2.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.15
[INFO] [stderr]    Compiling ark-serialize v0.2.0
[INFO] [stderr]    Compiling zeroize v1.4.1
[INFO] [stderr]    Compiling tracing v0.1.26
[INFO] [stderr]    Compiling ark-ec v0.2.0
[INFO] [stderr]    Compiling ark-relations v0.2.0
[INFO] [stderr]    Compiling ark-poly v0.2.0
[INFO] [stderr]    Compiling ark-snark v0.2.0
[INFO] [stderr]    Compiling ark-r1cs-std v0.2.0
[INFO] [stderr]    Compiling ark-inner-products v0.1.0 (/opt/rustwide/workdir/ripp/inner_products)
[INFO] [stderr]    Compiling ark-bls12-381 v0.2.0
[INFO] [stderr]    Compiling ark-ed-on-bls12-381 v0.2.0
[INFO] [stderr]    Compiling ark-dh-commitments v0.1.0 (/opt/rustwide/workdir/ripp/dh_commitments)
[INFO] [stderr]    Compiling ark-nonnative-field v0.2.0
[INFO] [stderr]    Compiling ark-crypto-primitives v0.2.0
[INFO] [stderr]    Compiling ark-groth16 v0.2.0
[INFO] [stderr]    Compiling ark-ip-proofs v0.1.0 (/opt/rustwide/workdir/ripp/ip_proofs)
[INFO] [stderr]    Compiling arkworks_learn v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `ark_crypto_primitives::snark::*`
[INFO] [stdout]  --> src/main.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use ark_crypto_primitives::snark::*; // import Groth16 library
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x_input`
[INFO] [stdout]   --> src/main.rs:35:21
[INFO] [stdout]    |
[INFO] [stdout] 35 |                 let x_input = FpVar::<Fq>::new_input(
[INFO] [stdout]    |                     ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_x_input`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `w_witness`
[INFO] [stdout]   --> src/main.rs:44:21
[INFO] [stdout]    |
[INFO] [stdout] 44 |                 let w_witness = FpVar::<Fq>::new_witness(
[INFO] [stdout]    |                     ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_w_witness`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 39.93s
[INFO] running `Command { std: "docker" "inspect" "f62cdec386a8e23cbca9b0e61ed128c189129fa5b1d5e84fa01714132679f6f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f62cdec386a8e23cbca9b0e61ed128c189129fa5b1d5e84fa01714132679f6f4", kill_on_drop: false }`
[INFO] [stdout] f62cdec386a8e23cbca9b0e61ed128c189129fa5b1d5e84fa01714132679f6f4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 104354c7e0d2576152fcfdc36a1c7c171e6809a881c4f4db998a55c96cb0a173
[INFO] running `Command { std: "docker" "start" "-a" "104354c7e0d2576152fcfdc36a1c7c171e6809a881c4f4db998a55c96cb0a173", kill_on_drop: false }`
[INFO] [stderr]    Compiling arkworks_learn v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `ark_crypto_primitives::snark::*`
[INFO] [stdout]  --> src/main.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use ark_crypto_primitives::snark::*; // import Groth16 library
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x_input`
[INFO] [stdout]   --> src/main.rs:35:21
[INFO] [stdout]    |
[INFO] [stdout] 35 |                 let x_input = FpVar::<Fq>::new_input(
[INFO] [stdout]    |                     ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_x_input`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `w_witness`
[INFO] [stdout]   --> src/main.rs:44:21
[INFO] [stdout]    |
[INFO] [stdout] 44 |                 let w_witness = FpVar::<Fq>::new_witness(
[INFO] [stdout]    |                     ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_w_witness`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.76s
[INFO] running `Command { std: "docker" "inspect" "104354c7e0d2576152fcfdc36a1c7c171e6809a881c4f4db998a55c96cb0a173", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "104354c7e0d2576152fcfdc36a1c7c171e6809a881c4f4db998a55c96cb0a173", kill_on_drop: false }`
[INFO] [stdout] 104354c7e0d2576152fcfdc36a1c7c171e6809a881c4f4db998a55c96cb0a173
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] af4d3243428edfec860740e76d63fe90fce40aa8c0bd92791e239f6e79c1399a
[INFO] running `Command { std: "docker" "start" "-a" "af4d3243428edfec860740e76d63fe90fce40aa8c0bd92791e239f6e79c1399a", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `ark_crypto_primitives::snark::*`
[INFO] [stderr]  --> src/main.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use ark_crypto_primitives::snark::*; // import Groth16 library
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x_input`
[INFO] [stderr]   --> src/main.rs:35:21
[INFO] [stderr]    |
[INFO] [stderr] 35 |                 let x_input = FpVar::<Fq>::new_input(
[INFO] [stderr]    |                     ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_x_input`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `w_witness`
[INFO] [stderr]   --> src/main.rs:44:21
[INFO] [stderr]    |
[INFO] [stderr] 44 |                 let w_witness = FpVar::<Fq>::new_witness(
[INFO] [stderr]    |                     ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_w_witness`
[INFO] [stderr] 
[INFO] [stderr] warning: `arkworks_learn` (bin "arkworks_learn" test) generated 3 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/arkworks_learn-4df4ccb568a98499)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/batch_groth16-487a088597e4ea20)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "af4d3243428edfec860740e76d63fe90fce40aa8c0bd92791e239f6e79c1399a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af4d3243428edfec860740e76d63fe90fce40aa8c0bd92791e239f6e79c1399a", kill_on_drop: false }`
[INFO] [stdout] af4d3243428edfec860740e76d63fe90fce40aa8c0bd92791e239f6e79c1399a