[INFO] fetching crate arkworks-circuits 0.4.20...
[INFO] checking arkworks-circuits-0.4.20 against master#2e6fc425411280c658d852813de01c5157255088 for pr-128013
[INFO] extracting crate arkworks-circuits 0.4.20 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate arkworks-circuits 0.4.20 on toolchain 2e6fc425411280c658d852813de01c5157255088
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2e6fc425411280c658d852813de01c5157255088" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate arkworks-circuits 0.4.20
[INFO] finished tweaking crates.io crate arkworks-circuits 0.4.20
[INFO] tweaked toml for crates.io crate arkworks-circuits 0.4.20 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2e6fc425411280c658d852813de01c5157255088" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 93 packages to latest compatible versions
[INFO] [stderr]       Adding ahash v0.7.8 (latest: v0.8.11)
[INFO] [stderr]       Adding ark-bls12-381 v0.3.0 (latest: v0.4.0)
[INFO] [stderr]       Adding ark-bn254 v0.3.0 (latest: v0.4.0)
[INFO] [stderr]       Adding ark-crypto-primitives v0.3.0 (latest: v0.4.0)
[INFO] [stderr]       Adding ark-ec v0.3.0 (latest: v0.4.2)
[INFO] [stderr]       Adding ark-ed-on-bls12-381 v0.3.0 (latest: v0.4.0)
[INFO] [stderr]       Adding ark-ed-on-bn254 v0.3.0 (latest: v0.4.0)
[INFO] [stderr]       Adding ark-ff v0.3.0 (latest: v0.4.2)
[INFO] [stderr]       Adding ark-ff-asm v0.3.0 (latest: v0.4.2)
[INFO] [stderr]       Adding ark-ff-macros v0.3.0 (latest: v0.4.2)
[INFO] [stderr]       Adding ark-groth16 v0.3.0 (latest: v0.4.0)
[INFO] [stderr]       Adding ark-poly v0.3.0 (latest: v0.4.2)
[INFO] [stderr]       Adding ark-poly-commit v0.3.0 (latest: v0.4.0)
[INFO] [stderr]       Adding ark-r1cs-std v0.3.1 (latest: v0.4.0)
[INFO] [stderr]       Adding ark-relations v0.3.0 (latest: v0.4.0)
[INFO] [stderr]       Adding ark-serialize v0.3.0 (latest: v0.4.2)
[INFO] [stderr]       Adding ark-serialize-derive v0.3.0 (latest: v0.4.2)
[INFO] [stderr]       Adding ark-snark v0.3.0 (latest: v0.4.0)
[INFO] [stderr]       Adding ark-std v0.3.0 (latest: v0.4.0)
[INFO] [stderr]       Adding arkworks-utils v0.4.20 (latest: v1.0.1)
[INFO] [stderr]       Adding blake2 v0.9.2 (latest: v0.10.6)
[INFO] [stderr]       Adding block-buffer v0.9.0 (latest: v0.10.4)
[INFO] [stderr]       Adding block-padding v0.2.1 (latest: v0.3.3)
[INFO] [stderr]       Adding crypto-mac v0.8.0 (latest: v0.11.1)
[INFO] [stderr]       Adding digest v0.9.0 (latest: v0.10.7)
[INFO] [stderr]       Adding ethabi v15.0.0 (latest: v18.0.0)
[INFO] [stderr]       Adding ethbloom v0.11.1 (latest: v0.13.0)
[INFO] [stderr]       Adding ethereum-types v0.12.1 (latest: v0.14.1)
[INFO] [stderr]       Adding fixed-hash v0.7.0 (latest: v0.8.0)
[INFO] [stderr]       Adding generic-array v0.14.7 (latest: v1.1.0)
[INFO] [stderr]       Adding hashbrown v0.11.2 (latest: v0.14.5)
[INFO] [stderr]       Adding hex-literal v0.3.4 (latest: v0.4.1)
[INFO] [stderr]       Adding primitive-types v0.10.1 (latest: v0.12.2)
[INFO] [stderr]       Adding rustc_version v0.3.3 (latest: v0.4.0)
[INFO] [stderr]       Adding semver v0.11.0 (latest: v1.0.23)
[INFO] [stderr]       Adding sha3 v0.9.1 (latest: v0.10.8)
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.72)
[INFO] [stderr]       Adding tracing-subscriber v0.2.25 (latest: v0.3.18)
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.1+wasi-0.2.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2e6fc425411280c658d852813de01c5157255088" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ethereum-types v0.12.1
[INFO] [stderr]   Downloaded ethbloom v0.11.1
[INFO] [stderr]   Downloaded primitive-types v0.10.1
[INFO] [stderr]   Downloaded ark-serialize-derive v0.3.0
[INFO] [stderr]   Downloaded fixed-hash v0.7.0
[INFO] [stderr]   Downloaded hex-literal v0.3.4
[INFO] [stderr]   Downloaded ark-ed-on-bn254 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-nonnative-field v0.3.0
[INFO] [stderr]   Downloaded arkworks-gadgets v0.4.20
[INFO] [stderr]   Downloaded ark-crypto-primitives v0.3.0
[INFO] [stderr]   Downloaded ark-poly-commit v0.3.0
[INFO] [stderr]   Downloaded ark-r1cs-std v0.3.1
[INFO] [stderr]   Downloaded pest v2.7.11
[INFO] [stderr]   Downloaded arkworks-utils v0.4.20
[INFO] [stderr]   Downloaded ark-poly v0.3.0
[INFO] [stderr]   Downloaded ark-ec v0.3.0
[INFO] [stderr]   Downloaded blake2 v0.9.2
[INFO] [stderr]   Downloaded ark-bls12-381 v0.3.0
[INFO] [stderr]   Downloaded ark-marlin v0.3.0
[INFO] [stderr]   Downloaded ark-relations v0.3.0
[INFO] [stderr]   Downloaded ark-groth16 v0.3.0
[INFO] [stderr]   Downloaded ethabi v15.0.0
[INFO] [stderr]   Downloaded ark-snark v0.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+2e6fc425411280c658d852813de01c5157255088" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 59b32e509594183e8921bea652a1d3224d32af2b95abc812511ed4d463cfd476
[INFO] running `Command { std: "docker" "start" "-a" "59b32e509594183e8921bea652a1d3224d32af2b95abc812511ed4d463cfd476", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "59b32e509594183e8921bea652a1d3224d32af2b95abc812511ed4d463cfd476", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "59b32e509594183e8921bea652a1d3224d32af2b95abc812511ed4d463cfd476", kill_on_drop: false }`
[INFO] [stdout] 59b32e509594183e8921bea652a1d3224d32af2b95abc812511ed4d463cfd476
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+2e6fc425411280c658d852813de01c5157255088" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 49c0a02bcad6a4683b10389c2ef13bc43546197d05df5f55c9ec707f3870b796
[INFO] running `Command { std: "docker" "start" "-a" "49c0a02bcad6a4683b10389c2ef13bc43546197d05df5f55c9ec707f3870b796", kill_on_drop: false }`
[INFO] [stderr]    Compiling ucd-trie v0.1.6
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling memchr v2.7.4
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]    Compiling thiserror-impl v1.0.63
[INFO] [stderr]    Compiling paste v1.0.15
[INFO] [stderr]    Compiling ark-serialize-derive v0.3.0
[INFO] [stderr]    Compiling zeroize_derive v1.4.2
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]    Compiling ark-ff-asm v0.3.0
[INFO] [stderr]    Compiling derivative v2.2.0
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking zeroize v1.8.1
[INFO] [stderr]     Checking ark-std v0.3.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.27
[INFO] [stderr]     Checking ark-serialize v0.3.0
[INFO] [stderr]     Checking tracing-core v0.1.32
[INFO] [stderr]     Checking num-bigint v0.4.6
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]     Checking ahash v0.7.8
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]    Compiling thiserror v1.0.63
[INFO] [stderr]    Compiling pest v2.7.11
[INFO] [stderr]     Checking subtle v2.6.1
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]     Checking rustc-hex v2.1.0
[INFO] [stderr]     Checking crypto-mac v0.8.0
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]     Checking blake2 v0.9.2
[INFO] [stderr]     Checking fixed-hash v0.7.0
[INFO] [stderr]     Checking hex v0.4.3
[INFO] [stderr]     Checking block-padding v0.2.1
[INFO] [stderr]     Checking uint v0.9.5
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking keccak v0.1.5
[INFO] [stderr]     Checking ethbloom v0.11.1
[INFO] [stderr]    Compiling hex-literal v0.3.4
[INFO] [stderr]     Checking primitive-types v0.10.1
[INFO] [stderr]     Checking sha3 v0.9.1
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]    Compiling semver-parser v0.10.2
[INFO] [stderr]    Compiling ark-ff-macros v0.3.0
[INFO] [stderr]     Checking ethereum-types v0.12.1
[INFO] [stderr]    Compiling semver v0.11.0
[INFO] [stderr]    Compiling rustc_version v0.3.3
[INFO] [stderr]     Checking ethabi v15.0.0
[INFO] [stderr]    Compiling ark-ff v0.3.0
[INFO] [stderr]     Checking ark-ec v0.3.0
[INFO] [stderr]     Checking ark-relations v0.3.0
[INFO] [stderr]     Checking ark-poly v0.3.0
[INFO] [stderr]     Checking ark-snark v0.3.0
[INFO] [stderr]     Checking ark-r1cs-std v0.3.1
[INFO] [stderr]     Checking ark-bn254 v0.3.0
[INFO] [stderr]     Checking ark-bls12-381 v0.3.0
[INFO] [stderr]     Checking ark-poly-commit v0.3.0
[INFO] [stderr]     Checking ark-marlin v0.3.0
[INFO] [stderr]     Checking ark-nonnative-field v0.3.0
[INFO] [stderr]     Checking ark-ed-on-bls12-381 v0.3.0
[INFO] [stderr]     Checking ark-ed-on-bn254 v0.3.0
[INFO] [stderr]     Checking ark-crypto-primitives v0.3.0
[INFO] [stderr]     Checking ark-groth16 v0.3.0
[INFO] [stderr]     Checking arkworks-utils v0.4.20
[INFO] [stderr]     Checking arkworks-gadgets v0.4.20
[INFO] [stderr]     Checking arkworks-circuits v0.4.20 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `DummyCircuit` is never constructed
[INFO] [stdout]  --> src/circuit/basic.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | struct DummyCircuit<F: PrimeField> {
[INFO] [stdout]   |        ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.87s
[INFO] running `Command { std: "docker" "inspect" "49c0a02bcad6a4683b10389c2ef13bc43546197d05df5f55c9ec707f3870b796", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "49c0a02bcad6a4683b10389c2ef13bc43546197d05df5f55c9ec707f3870b796", kill_on_drop: false }`
[INFO] [stdout] 49c0a02bcad6a4683b10389c2ef13bc43546197d05df5f55c9ec707f3870b796