[INFO] fetching crate arkworks-circuits 0.4.20...
[INFO] checking arkworks-circuits-0.4.20 against master#30f74ff0dc4d66debc8b50724c446f817e5f75f4 for pr-121848-1
[INFO] extracting crate arkworks-circuits 0.4.20 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate arkworks-circuits 0.4.20 on toolchain 30f74ff0dc4d66debc8b50724c446f817e5f75f4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "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-6-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
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[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c909f445b1eaa41e4bafd0c6f7fddb7a54828a2a5e6a22b56cf4852c5f2a8998
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[INFO] [stderr]     Checking arkworks-circuits v0.4.20 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `Box` is imported redundantly
[INFO] [stdout]  --> src/lib.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use ark_std::boxed::Box;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/std/src/prelude/mod.rs:115:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Box` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `EqGadget` is imported redundantly
[INFO] [stdout]  --> src/circuit/anchor.rs:3:20
[INFO] [stdout]   |
[INFO] [stdout] 3 | use ark_r1cs_std::{eq::EqGadget, fields::fp::FpVar, prelude::*};
[INFO] [stdout]   |                    ^^^^^^^^^^^^                     ---------- the item `EqGadget` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Vec` is imported redundantly
[INFO] [stdout]  --> src/circuit/anchor.rs:5:36
[INFO] [stdout]   |
[INFO] [stdout] 5 | use ark_std::{marker::PhantomData, vec::Vec};
[INFO] [stdout]   |                                    ^^^^^^^^
[INFO] [stdout]  --> /rustc/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/std/src/prelude/mod.rs:115:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Vec` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `EqGadget` is imported redundantly
[INFO] [stdout]  --> src/circuit/mixer.rs:3:20
[INFO] [stdout]   |
[INFO] [stdout] 3 | use ark_r1cs_std::{eq::EqGadget, prelude::*};
[INFO] [stdout]   |                    ^^^^^^^^^^^^  ---------- the item `EqGadget` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Vec` is imported redundantly
[INFO] [stdout]  --> src/circuit/poseidon.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::Vec;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout]  --> /rustc/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/std/src/prelude/mod.rs:115:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Vec` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Vec` is imported redundantly
[INFO] [stdout]  --> src/circuit/vanchor.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::Vec;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout]  --> /rustc/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/std/src/prelude/mod.rs:115:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Vec` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `EqGadget` is imported redundantly
[INFO] [stdout]  --> src/circuit/vanchor.rs:5:20
[INFO] [stdout]   |
[INFO] [stdout] 5 | use ark_r1cs_std::{eq::EqGadget, fields::fp::FpVar, prelude::*};
[INFO] [stdout]   |                    ^^^^^^^^^^^^                     ---------- the item `EqGadget` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Vec` is imported redundantly
[INFO] [stdout]  --> src/setup/anchor.rs:9:2
[INFO] [stdout]   |
[INFO] [stdout] 9 |     vec::Vec,
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]  --> /rustc/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/std/src/prelude/mod.rs:115:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Vec` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Vec` is imported redundantly
[INFO] [stdout]   --> src/setup/common.rs:10:2
[INFO] [stdout]    |
[INFO] [stdout] 10 |     vec::Vec,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]   --> /rustc/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/std/src/prelude/mod.rs:115:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `Vec` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Vec` is imported redundantly
[INFO] [stdout]  --> src/setup/mixer.rs:9:2
[INFO] [stdout]   |
[INFO] [stdout] 9 |     vec::Vec,
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]  --> /rustc/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/std/src/prelude/mod.rs:115:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Vec` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `ToString` is imported redundantly
[INFO] [stdout]   --> src/setup/vanchor.rs:11:64
[INFO] [stdout]    |
[INFO] [stdout] 11 | use ark_std::{error::Error as ArkError, rand::RngCore, rc::Rc, string::ToString, vec::Vec};
[INFO] [stdout]    |                                                                ^^^^^^^^^^^^^^^^
[INFO] [stdout]   --> /rustc/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/std/src/prelude/mod.rs:115:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `ToString` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Vec` is imported redundantly
[INFO] [stdout]   --> src/setup/vanchor.rs:11:82
[INFO] [stdout]    |
[INFO] [stdout] 11 | use ark_std::{error::Error as ArkError, rand::RngCore, rc::Rc, string::ToString, vec::Vec};
[INFO] [stdout]    |                                                                                  ^^^^^^^^
[INFO] [stdout]   --> /rustc/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/std/src/prelude/mod.rs:115:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `Vec` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Box` is imported redundantly
[INFO] [stdout]  --> src/lib.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use ark_std::boxed::Box;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/std/src/prelude/mod.rs:115:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Box` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `EqGadget` is imported redundantly
[INFO] [stdout]  --> src/circuit/anchor.rs:3:20
[INFO] [stdout]   |
[INFO] [stdout] 3 | use ark_r1cs_std::{eq::EqGadget, fields::fp::FpVar, prelude::*};
[INFO] [stdout]   |                    ^^^^^^^^^^^^                     ---------- the item `EqGadget` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Vec` is imported redundantly
[INFO] [stdout]  --> src/circuit/anchor.rs:5:36
[INFO] [stdout]   |
[INFO] [stdout] 5 | use ark_std::{marker::PhantomData, vec::Vec};
[INFO] [stdout]   |                                    ^^^^^^^^
[INFO] [stdout]  --> /rustc/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/std/src/prelude/mod.rs:115:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Vec` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `EqGadget` is imported redundantly
[INFO] [stdout]  --> src/circuit/mixer.rs:3:20
[INFO] [stdout]   |
[INFO] [stdout] 3 | use ark_r1cs_std::{eq::EqGadget, prelude::*};
[INFO] [stdout]   |                    ^^^^^^^^^^^^  ---------- the item `EqGadget` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `verify_unchecked_raw` is imported redundantly
[INFO] [stdout]    --> src/circuit/mixer.rs:156:12
[INFO] [stdout]     |
[INFO] [stdout] 156 |         common::{verify_unchecked_raw, *},
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^^^^^  - the item `verify_unchecked_raw` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Vec` is imported redundantly
[INFO] [stdout]    --> src/circuit/mixer.rs:164:26
[INFO] [stdout]     |
[INFO] [stdout] 164 |     use ark_std::{test_rng, vec::Vec, One, Zero};
[INFO] [stdout]     |                             ^^^^^^^^
[INFO] [stdout]    --> /rustc/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/std/src/prelude/mod.rs:115:13
[INFO] [stdout]     |
[INFO] [stdout]     = note: the item `Vec` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Vec` is imported redundantly
[INFO] [stdout]  --> src/circuit/poseidon.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::Vec;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout]  --> /rustc/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/std/src/prelude/mod.rs:115:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Vec` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Vec` is imported redundantly
[INFO] [stdout]  --> src/circuit/vanchor.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::Vec;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout]  --> /rustc/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/std/src/prelude/mod.rs:115:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Vec` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `EqGadget` is imported redundantly
[INFO] [stdout]  --> src/circuit/vanchor.rs:5:20
[INFO] [stdout]   |
[INFO] [stdout] 5 | use ark_r1cs_std::{eq::EqGadget, fields::fp::FpVar, prelude::*};
[INFO] [stdout]   |                    ^^^^^^^^^^^^                     ---------- the item `EqGadget` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Vec` is imported redundantly
[INFO] [stdout]  --> src/setup/anchor.rs:9:2
[INFO] [stdout]   |
[INFO] [stdout] 9 |     vec::Vec,
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]  --> /rustc/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/std/src/prelude/mod.rs:115:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Vec` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Vec` is imported redundantly
[INFO] [stdout]   --> src/setup/common.rs:10:2
[INFO] [stdout]    |
[INFO] [stdout] 10 |     vec::Vec,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]   --> /rustc/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/std/src/prelude/mod.rs:115:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `Vec` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Vec` is imported redundantly
[INFO] [stdout]  --> src/setup/mixer.rs:9:2
[INFO] [stdout]   |
[INFO] [stdout] 9 |     vec::Vec,
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]  --> /rustc/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/std/src/prelude/mod.rs:115:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Vec` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `ToString` is imported redundantly
[INFO] [stdout]   --> src/setup/vanchor.rs:11:64
[INFO] [stdout]    |
[INFO] [stdout] 11 | use ark_std::{error::Error as ArkError, rand::RngCore, rc::Rc, string::ToString, vec::Vec};
[INFO] [stdout]    |                                                                ^^^^^^^^^^^^^^^^
[INFO] [stdout]   --> /rustc/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/std/src/prelude/mod.rs:115:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `ToString` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Vec` is imported redundantly
[INFO] [stdout]   --> src/setup/vanchor.rs:11:82
[INFO] [stdout]    |
[INFO] [stdout] 11 | use ark_std::{error::Error as ArkError, rand::RngCore, rc::Rc, string::ToString, vec::Vec};
[INFO] [stdout]    |                                                                                  ^^^^^^^^
[INFO] [stdout]   --> /rustc/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/std/src/prelude/mod.rs:115:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `Vec` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[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: 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 14 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 16.34s
[INFO] running `Command { std: "docker" "inspect" "2909cdd68bad92433cad2543cbfd85d7a5182f6dabaaacb0c884be34565b3ade", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2909cdd68bad92433cad2543cbfd85d7a5182f6dabaaacb0c884be34565b3ade", kill_on_drop: false }`
[INFO] [stdout] 2909cdd68bad92433cad2543cbfd85d7a5182f6dabaaacb0c884be34565b3ade
