[INFO] fetching crate arkworks-utils 0.4.20...
[INFO] testing arkworks-utils-0.4.20 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate arkworks-utils 0.4.20 into /workspace/builds/worker-21/source
[INFO] validating manifest of crates.io crate arkworks-utils 0.4.20 on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate arkworks-utils 0.4.20
[INFO] finished tweaking crates.io crate arkworks-utils 0.4.20
[INFO] tweaked toml for crates.io crate arkworks-utils 0.4.20 written to /workspace/builds/worker-21/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ark-serialize v0.3.0
[INFO] [stderr]   Downloaded ark-ff-macros v0.3.0
[INFO] [stderr]   Downloaded ark-ff-asm v0.3.0
[INFO] [stderr]   Downloaded paste v1.0.6
[INFO] [stderr]   Downloaded zeroize v1.5.3
[INFO] [stderr]   Downloaded ark-serialize-derive v0.3.0
[INFO] [stderr]   Downloaded ark-marlin v0.3.0
[INFO] [stderr]   Downloaded ark-bls12-381 v0.3.0
[INFO] [stderr]   Downloaded ark-poly v0.3.0
[INFO] [stderr]   Downloaded ark-crypto-primitives v0.3.0
[INFO] [stderr]   Downloaded ark-groth16 v0.3.0
[INFO] [stderr]   Downloaded ark-nonnative-field v0.3.0
[INFO] [stderr]   Downloaded tracing-subscriber v0.2.25
[INFO] [stderr]   Downloaded ark-snark v0.3.0
[INFO] [stderr]   Downloaded ark-relations v0.3.0
[INFO] [stderr]   Downloaded blake2 v0.9.2
[INFO] [stderr]   Downloaded ark-r1cs-std v0.3.1
[INFO] [stderr]   Downloaded ark-ff v0.3.0
[INFO] [stderr]   Downloaded valuable v0.1.0
[INFO] [stderr]   Downloaded ark-std v0.3.0
[INFO] [stderr]   Downloaded ark-ec v0.3.0
[INFO] [stderr]   Downloaded ark-ed-on-bls12-381 v0.3.0
[INFO] [stderr]   Downloaded ark-bn254 v0.3.0
[INFO] [stderr]   Downloaded ark-ed-on-bn254 v0.3.0
[INFO] [stderr]   Downloaded ark-poly-commit v0.3.0
[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" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2931a84e0fc30f6f7ad367dc951b24eeec53546a3ae945e749f8b9f7831b158a
[INFO] running `Command { std: "docker" "start" "-a" "2931a84e0fc30f6f7ad367dc951b24eeec53546a3ae945e749f8b9f7831b158a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2931a84e0fc30f6f7ad367dc951b24eeec53546a3ae945e749f8b9f7831b158a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2931a84e0fc30f6f7ad367dc951b24eeec53546a3ae945e749f8b9f7831b158a", kill_on_drop: false }`
[INFO] [stdout] 2931a84e0fc30f6f7ad367dc951b24eeec53546a3ae945e749f8b9f7831b158a
[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" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e9486dedbffe1dec11fbf16f702f09cacbc81ed640a986322793b0b506451fed
[INFO] running `Command { std: "docker" "start" "-a" "e9486dedbffe1dec11fbf16f702f09cacbc81ed640a986322793b0b506451fed", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling ppv-lite86 v0.2.16
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling pin-project-lite v0.2.8
[INFO] [stderr]    Compiling tracing-core v0.1.22
[INFO] [stderr]    Compiling libc v0.2.119
[INFO] [stderr]    Compiling once_cell v1.9.0
[INFO] [stderr]    Compiling subtle v2.4.1
[INFO] [stderr]    Compiling opaque-debug v0.3.0
[INFO] [stderr]    Compiling typenum v1.15.0
[INFO] [stderr]    Compiling pest v2.1.3
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-bigint v0.4.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling generic-array v0.14.5
[INFO] [stderr]    Compiling ahash v0.7.6
[INFO] [stderr]    Compiling quote v1.0.15
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]    Compiling semver-parser v0.10.2
[INFO] [stderr]    Compiling getrandom v0.2.5
[INFO] [stderr]    Compiling semver v0.11.0
[INFO] [stderr]    Compiling digest v0.9.0
[INFO] [stderr]    Compiling crypto-mac v0.8.0
[INFO] [stderr]    Compiling rustc_version v0.3.3
[INFO] [stderr]    Compiling blake2 v0.9.2
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]    Compiling ark-ff v0.3.0
[INFO] [stderr]    Compiling ark-std v0.3.0
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]    Compiling ark-serialize-derive v0.3.0
[INFO] [stderr]    Compiling zeroize_derive v1.3.2
[INFO] [stderr]    Compiling ark-ff-macros v0.3.0
[INFO] [stderr]    Compiling ark-ff-asm v0.3.0
[INFO] [stderr]    Compiling derivative v2.2.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.19
[INFO] [stderr]    Compiling zeroize v1.5.3
[INFO] [stderr]    Compiling ark-serialize v0.3.0
[INFO] [stderr]    Compiling tracing v0.1.31
[INFO] [stderr]    Compiling ark-ec v0.3.0
[INFO] [stderr]    Compiling ark-relations v0.3.0
[INFO] [stderr]    Compiling ark-poly v0.3.0
[INFO] [stderr]    Compiling ark-snark v0.3.0
[INFO] [stderr]    Compiling ark-r1cs-std v0.3.1
[INFO] [stderr]    Compiling ark-bls12-381 v0.3.0
[INFO] [stderr]    Compiling ark-bn254 v0.3.0
[INFO] [stderr]    Compiling ark-poly-commit v0.3.0
[INFO] [stderr]    Compiling ark-marlin v0.3.0
[INFO] [stderr]    Compiling ark-nonnative-field v0.3.0
[INFO] [stderr]    Compiling ark-ed-on-bn254 v0.3.0
[INFO] [stderr]    Compiling ark-ed-on-bls12-381 v0.3.0
[INFO] [stderr]    Compiling ark-crypto-primitives v0.3.0
[INFO] [stderr]    Compiling ark-groth16 v0.3.0
[INFO] [stderr]    Compiling arkworks-utils v0.4.20 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Error`, `SNARK`
[INFO] [stdout]  --> src/utils/common.rs:2:29
[INFO] [stdout]   |
[INFO] [stdout] 2 | use ark_crypto_primitives::{Error, SNARK};
[INFO] [stdout]   |                             ^^^^^  ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ark_ec::PairingEngine`
[INFO] [stdout]  --> src/utils/common.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use ark_ec::PairingEngine;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Groth16`, `Proof`, `VerifyingKey`
[INFO] [stdout]  --> src/utils/common.rs:5:19
[INFO] [stdout]   |
[INFO] [stdout] 5 | use ark_groth16::{Groth16, Proof, VerifyingKey};
[INFO] [stdout]   |                   ^^^^^^^  ^^^^^  ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 41.91s
[INFO] running `Command { std: "docker" "inspect" "e9486dedbffe1dec11fbf16f702f09cacbc81ed640a986322793b0b506451fed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e9486dedbffe1dec11fbf16f702f09cacbc81ed640a986322793b0b506451fed", kill_on_drop: false }`
[INFO] [stdout] e9486dedbffe1dec11fbf16f702f09cacbc81ed640a986322793b0b506451fed
[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" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f321b91cc174347b3aa0094b668c02eb308b9c886c4d559cb92eebe9953913f3
[INFO] running `Command { std: "docker" "start" "-a" "f321b91cc174347b3aa0094b668c02eb308b9c886c4d559cb92eebe9953913f3", kill_on_drop: false }`
[INFO] [stderr]    Compiling arkworks-utils v0.4.20 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Error`, `SNARK`
[INFO] [stdout]  --> src/utils/common.rs:2:29
[INFO] [stdout]   |
[INFO] [stdout] 2 | use ark_crypto_primitives::{Error, SNARK};
[INFO] [stdout]   |                             ^^^^^  ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ark_ec::PairingEngine`
[INFO] [stdout]  --> src/utils/common.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use ark_ec::PairingEngine;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Groth16`, `Proof`, `VerifyingKey`
[INFO] [stdout]  --> src/utils/common.rs:5:19
[INFO] [stdout]   |
[INFO] [stdout] 5 | use ark_groth16::{Groth16, Proof, VerifyingKey};
[INFO] [stdout]   |                   ^^^^^^^  ^^^^^  ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Error`, `SNARK`
[INFO] [stdout]  --> src/utils/common.rs:2:29
[INFO] [stdout]   |
[INFO] [stdout] 2 | use ark_crypto_primitives::{Error, SNARK};
[INFO] [stdout]   |                             ^^^^^  ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ark_ec::PairingEngine`
[INFO] [stdout]  --> src/utils/common.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use ark_ec::PairingEngine;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Groth16`, `Proof`, `VerifyingKey`
[INFO] [stdout]  --> src/utils/common.rs:5:19
[INFO] [stdout]   |
[INFO] [stdout] 5 | use ark_groth16::{Groth16, Proof, VerifyingKey};
[INFO] [stdout]   |                   ^^^^^^^  ^^^^^  ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.24s
[INFO] running `Command { std: "docker" "inspect" "f321b91cc174347b3aa0094b668c02eb308b9c886c4d559cb92eebe9953913f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f321b91cc174347b3aa0094b668c02eb308b9c886c4d559cb92eebe9953913f3", kill_on_drop: false }`
[INFO] [stdout] f321b91cc174347b3aa0094b668c02eb308b9c886c4d559cb92eebe9953913f3
[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" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7505810fbc64248fbf7ec26b18550f2918cd765ccfc969fe3e50a0c10e7066cd
[INFO] running `Command { std: "docker" "start" "-a" "7505810fbc64248fbf7ec26b18550f2918cd765ccfc969fe3e50a0c10e7066cd", kill_on_drop: false }`
[INFO] [stderr] warning: unused imports: `Error`, `SNARK`
[INFO] [stderr]  --> src/utils/common.rs:2:29
[INFO] [stderr]   |
[INFO] [stderr] 2 | use ark_crypto_primitives::{Error, SNARK};
[INFO] [stderr]   |                             ^^^^^  ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `ark_ec::PairingEngine`
[INFO] [stderr]  --> src/utils/common.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use ark_ec::PairingEngine;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Groth16`, `Proof`, `VerifyingKey`
[INFO] [stderr]  --> src/utils/common.rs:5:19
[INFO] [stderr]   |
[INFO] [stderr] 5 | use ark_groth16::{Groth16, Proof, VerifyingKey};
[INFO] [stderr]   |                   ^^^^^^^  ^^^^^  ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `arkworks-utils` (lib) generated 3 warnings
[INFO] [stderr] warning: `arkworks-utils` (lib test) generated 3 warnings (3 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.13s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/arkworks_utils-e240b6e8ae3912fc)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test poseidon::test::test_parameter_to_and_from_bytes ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests arkworks-utils
[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" "7505810fbc64248fbf7ec26b18550f2918cd765ccfc969fe3e50a0c10e7066cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7505810fbc64248fbf7ec26b18550f2918cd765ccfc969fe3e50a0c10e7066cd", kill_on_drop: false }`
[INFO] [stdout] 7505810fbc64248fbf7ec26b18550f2918cd765ccfc969fe3e50a0c10e7066cd