[INFO] fetching crate arkworks-gadgets 0.4.20...
[INFO] checking arkworks-gadgets-0.4.20 against master#b0696a5160711c068cb1f01b7437db7990d15750 for pr-121848
[INFO] extracting crate arkworks-gadgets 0.4.20 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate arkworks-gadgets 0.4.20 on toolchain b0696a5160711c068cb1f01b7437db7990d15750
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b0696a5160711c068cb1f01b7437db7990d15750" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate arkworks-gadgets 0.4.20
[INFO] finished tweaking crates.io crate arkworks-gadgets 0.4.20
[INFO] tweaked toml for crates.io crate arkworks-gadgets 0.4.20 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b0696a5160711c068cb1f01b7437db7990d15750" "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" "+b0696a5160711c068cb1f01b7437db7990d15750" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ark-nonnative-field v0.3.0
[INFO] [stderr]   Downloaded ark-marlin v0.3.0
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+b0696a5160711c068cb1f01b7437db7990d15750" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 619d978940d986398b99271da81039777ca76bcf1511bc77637fd4fdf87af6ec
[INFO] running `Command { std: "docker" "start" "-a" "619d978940d986398b99271da81039777ca76bcf1511bc77637fd4fdf87af6ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "619d978940d986398b99271da81039777ca76bcf1511bc77637fd4fdf87af6ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "619d978940d986398b99271da81039777ca76bcf1511bc77637fd4fdf87af6ec", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+b0696a5160711c068cb1f01b7437db7990d15750" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 678887363ba25492d9ef7e32ab86852299d6635e6288ea45d622685190822769
[INFO] running `Command { std: "docker" "start" "-a" "678887363ba25492d9ef7e32ab86852299d6635e6288ea45d622685190822769", kill_on_drop: false }`
[INFO] [stderr]    Compiling thiserror v1.0.57
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling typenum v1.17.0
[INFO] [stderr]    Compiling ucd-trie v0.1.6
[INFO] [stderr]    Compiling num-traits v0.2.18
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[INFO] [stderr]    Compiling memchr v2.7.1
[INFO] [stderr]    Compiling syn v2.0.52
[INFO] [stderr]    Compiling num-bigint v0.4.4
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[INFO] [stderr]    Compiling thiserror-impl v1.0.57
[INFO] [stderr]    Compiling zeroize_derive v1.4.2
[INFO] [stderr]    Compiling tracing-attributes v0.1.27
[INFO] [stderr]    Compiling ark-serialize-derive v0.3.0
[INFO] [stderr]    Compiling ark-ff-macros v0.3.0
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[INFO] [stderr]    Compiling semver-parser v0.10.2
[INFO] [stderr]    Compiling semver v0.11.0
[INFO] [stderr]    Compiling rustc_version v0.3.3
[INFO] [stderr]    Compiling ark-ff v0.3.0
[INFO] [stderr]     Checking ark-ec v0.3.0
[INFO] [stderr]     Checking ark-relations v0.3.0
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[INFO] [stderr]     Checking ark-r1cs-std v0.3.1
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[INFO] [stderr]     Checking ark-nonnative-field v0.3.0
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[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 (/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/b0696a5160711c068cb1f01b7437db7990d15750/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 `Vec` is imported redundantly
[INFO] [stdout]  --> src/identity/mod.rs:3:47
[INFO] [stdout]   |
[INFO] [stdout] 3 | use ark_std::{marker::PhantomData, rand::Rng, vec::Vec};
[INFO] [stdout]   |                                               ^^^^^^^^
[INFO] [stdout]  --> /rustc/b0696a5160711c068cb1f01b7437db7990d15750/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 `AllocVar` is imported redundantly
[INFO] [stdout]  --> src/identity/constraints.rs:4:20
[INFO] [stdout]   |
[INFO] [stdout] 4 | use ark_r1cs_std::{alloc::AllocVar, fields::fp::FpVar, prelude::*, uint8::UInt8};
[INFO] [stdout]   |                    ^^^^^^^^^^^^^^^                     ---------- the item `AllocVar` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `UInt8` is imported redundantly
[INFO] [stdout]  --> src/identity/constraints.rs:4:68
[INFO] [stdout]   |
[INFO] [stdout] 4 | use ark_r1cs_std::{alloc::AllocVar, fields::fp::FpVar, prelude::*, uint8::UInt8};
[INFO] [stdout]   |                                                        ----------  ^^^^^^^^^^^^
[INFO] [stdout]   |                                                        |
[INFO] [stdout]   |                                                        the item `UInt8` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Vec` is imported redundantly
[INFO] [stdout]  --> src/identity/constraints.rs:6:36
[INFO] [stdout]   |
[INFO] [stdout] 6 | use ark_std::{marker::PhantomData, vec::Vec};
[INFO] [stdout]   |                                    ^^^^^^^^
[INFO] [stdout]  --> /rustc/b0696a5160711c068cb1f01b7437db7990d15750/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/keypair/vanchor/constraints.rs:6:36
[INFO] [stdout]   |
[INFO] [stdout] 6 | use ark_std::{marker::PhantomData, vec::Vec};
[INFO] [stdout]   |                                    ^^^^^^^^
[INFO] [stdout]  --> /rustc/b0696a5160711c068cb1f01b7437db7990d15750/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/leaf/anchor/constraints.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::Vec;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout]  --> /rustc/b0696a5160711c068cb1f01b7437db7990d15750/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/leaf/basic/constraints.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::Vec;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout]  --> /rustc/b0696a5160711c068cb1f01b7437db7990d15750/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/leaf/mixer/constraints.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::Vec;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout]  --> /rustc/b0696a5160711c068cb1f01b7437db7990d15750/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/leaf/vanchor/constraints.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::Vec;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout]  --> /rustc/b0696a5160711c068cb1f01b7437db7990d15750/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/merkle_tree/mod.rs:8:2
[INFO] [stdout]   |
[INFO] [stdout] 8 |     vec::Vec,
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]  --> /rustc/b0696a5160711c068cb1f01b7437db7990d15750/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/merkle_tree/constraints.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::Vec;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout]  --> /rustc/b0696a5160711c068cb1f01b7437db7990d15750/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 `AllocVar` is imported redundantly
[INFO] [stdout]  --> src/merkle_tree/constraints.rs:8:2
[INFO] [stdout]   |
[INFO] [stdout] 8 |     alloc::AllocVar, eq::EqGadget, fields::fp::FpVar, prelude::*, select::CondSelectGadget,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^                                   ---------- the item `AllocVar` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `EqGadget` is imported redundantly
[INFO] [stdout]  --> src/merkle_tree/constraints.rs:8:19
[INFO] [stdout]   |
[INFO] [stdout] 8 |     alloc::AllocVar, eq::EqGadget, fields::fp::FpVar, prelude::*, select::CondSelectGadget,
[INFO] [stdout]   |                      ^^^^^^^^^^^^                     ---------- the item `EqGadget` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `CondSelectGadget` is imported redundantly
[INFO] [stdout]  --> src/merkle_tree/constraints.rs:8:64
[INFO] [stdout]   |
[INFO] [stdout] 8 |     alloc::AllocVar, eq::EqGadget, fields::fp::FpVar, prelude::*, select::CondSelectGadget,
[INFO] [stdout]   |                                                       ----------  ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |                                                       |
[INFO] [stdout]   |                                                       the item `CondSelectGadget` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `ToBytesGadget` is imported redundantly
[INFO] [stdout]  --> src/merkle_tree/constraints.rs:9:2
[INFO] [stdout]   |
[INFO] [stdout] 8 |     alloc::AllocVar, eq::EqGadget, fields::fp::FpVar, prelude::*, select::CondSelectGadget,
[INFO] [stdout]   |                                                       ---------- the item `ToBytesGadget` is already imported here
[INFO] [stdout] 9 |     ToBytesGadget,
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `ToOwned` is imported redundantly
[INFO] [stdout]  --> src/merkle_tree/simple_merkle.rs:6:2
[INFO] [stdout]   |
[INFO] [stdout] 6 |     borrow::ToOwned,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/b0696a5160711c068cb1f01b7437db7990d15750/library/std/src/prelude/mod.rs:115:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `ToOwned` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lint `mutable_borrow_reservation_conflict` has been removed: now allowed, see issue #59159 <https://github.com/rust-lang/rust/issues/59159> for more information
[INFO] [stdout]    --> src/merkle_tree/simple_merkle.rs:123:13
[INFO] [stdout]     |
[INFO] [stdout] 123 |                 #[allow(mutable_borrow_reservation_conflict)]
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(renamed_and_removed_lints)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lint `mutable_borrow_reservation_conflict` has been removed: now allowed, see issue #59159 <https://github.com/rust-lang/rust/issues/59159> for more information
[INFO] [stdout]    --> src/merkle_tree/mod.rs:180:13
[INFO] [stdout]     |
[INFO] [stdout] 180 |                 #[allow(mutable_borrow_reservation_conflict)]
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `ToString` is imported redundantly
[INFO] [stdout]  --> src/mimc/mod.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::ark_std::string::ToString;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/b0696a5160711c068cb1f01b7437db7990d15750/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/mimc/mod.rs:4:73
[INFO] [stdout]   |
[INFO] [stdout] 4 | use ark_std::{error::Error as ArkError, marker::PhantomData, rand::Rng, vec::Vec};
[INFO] [stdout]   |                                                                         ^^^^^^^^
[INFO] [stdout]  --> /rustc/b0696a5160711c068cb1f01b7437db7990d15750/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 `AllocVar` is imported redundantly
[INFO] [stdout]  --> src/mimc/constraints.rs:5:2
[INFO] [stdout]   |
[INFO] [stdout] 5 |     alloc::AllocVar,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 6 |     fields::{fp::FpVar, FieldVar},
[INFO] [stdout] 7 |     prelude::*,
[INFO] [stdout]   |     ---------- the item `AllocVar` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `FieldVar` is imported redundantly
[INFO] [stdout]  --> src/mimc/constraints.rs:6:22
[INFO] [stdout]   |
[INFO] [stdout] 6 |     fields::{fp::FpVar, FieldVar},
[INFO] [stdout]   |                         ^^^^^^^^
[INFO] [stdout] 7 |     prelude::*,
[INFO] [stdout]   |     ---------- the item `FieldVar` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `UInt8` is imported redundantly
[INFO] [stdout]  --> src/mimc/constraints.rs:8:2
[INFO] [stdout]   |
[INFO] [stdout] 7 |     prelude::*,
[INFO] [stdout]   |     ---------- the item `UInt8` is already imported here
[INFO] [stdout] 8 |     uint8::UInt8,
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Vec` is imported redundantly
[INFO] [stdout]   --> src/mimc/constraints.rs:11:36
[INFO] [stdout]    |
[INFO] [stdout] 11 | use ark_std::{marker::PhantomData, vec::Vec};
[INFO] [stdout]    |                                    ^^^^^^^^
[INFO] [stdout]   --> /rustc/b0696a5160711c068cb1f01b7437db7990d15750/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/poseidon/mod.rs:3:47
[INFO] [stdout]   |
[INFO] [stdout] 3 | use ark_std::{marker::PhantomData, rand::Rng, vec::Vec};
[INFO] [stdout]   |                                               ^^^^^^^^
[INFO] [stdout]  --> /rustc/b0696a5160711c068cb1f01b7437db7990d15750/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 `AllocVar` is imported redundantly
[INFO] [stdout]  --> src/poseidon/constraints.rs:5:2
[INFO] [stdout]   |
[INFO] [stdout] 5 |     alloc::AllocVar,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 6 |     fields::{fp::FpVar, FieldVar},
[INFO] [stdout] 7 |     prelude::*,
[INFO] [stdout]   |     ---------- the item `AllocVar` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `FieldVar` is imported redundantly
[INFO] [stdout]  --> src/poseidon/constraints.rs:6:22
[INFO] [stdout]   |
[INFO] [stdout] 6 |     fields::{fp::FpVar, FieldVar},
[INFO] [stdout]   |                         ^^^^^^^^
[INFO] [stdout] 7 |     prelude::*,
[INFO] [stdout]   |     ---------- the item `FieldVar` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `UInt8` is imported redundantly
[INFO] [stdout]  --> src/poseidon/constraints.rs:8:2
[INFO] [stdout]   |
[INFO] [stdout] 7 |     prelude::*,
[INFO] [stdout]   |     ---------- the item `UInt8` is already imported here
[INFO] [stdout] 8 |     uint8::UInt8,
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Vec` is imported redundantly
[INFO] [stdout]   --> src/poseidon/constraints.rs:11:36
[INFO] [stdout]    |
[INFO] [stdout] 11 | use ark_std::{marker::PhantomData, vec::Vec};
[INFO] [stdout]    |                                    ^^^^^^^^
[INFO] [stdout]   --> /rustc/b0696a5160711c068cb1f01b7437db7990d15750/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: unnecessary parentheses around index expression
[INFO] [stdout]   --> src/poseidon/constraints.rs:82:32
[INFO] [stdout]    |
[INFO] [stdout] 82 |                 let c = &params.round_keys[(r * (params.width as usize) + i)];
[INFO] [stdout]    |                                            ^                               ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 82 -                 let c = &params.round_keys[(r * (params.width as usize) + i)];
[INFO] [stdout] 82 +                 let c = &params.round_keys[r * (params.width as usize) + i];
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ark_std::vec::Vec`
[INFO] [stdout]  --> src/poseidon/field_hasher.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use ark_std::vec::Vec;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]   --> src/poseidon/field_hasher.rs:44:36
[INFO] [stdout]    |
[INFO] [stdout] 44 |                 let c = self.params.round_keys[(r * width + i)];
[INFO] [stdout]    |                                                ^             ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 44 -                 let c = self.params.round_keys[(r * width + i)];
[INFO] [stdout] 44 +                 let c = self.params.round_keys[r * width + i];
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]   --> src/poseidon/mod.rs:21:31
[INFO] [stdout]    |
[INFO] [stdout] 21 |                 let c = params.round_keys[(r * (params.width as usize) + i)];
[INFO] [stdout]    |                                           ^                               ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 21 -                 let c = params.round_keys[(r * (params.width as usize) + i)];
[INFO] [stdout] 21 +                 let c = params.round_keys[r * (params.width as usize) + i];
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Vec` is imported redundantly
[INFO] [stdout]  --> src/set/constraints.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::Vec;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout]  --> /rustc/b0696a5160711c068cb1f01b7437db7990d15750/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/set/constraints.rs:4:2
[INFO] [stdout]   |
[INFO] [stdout] 4 |     eq::EqGadget,
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 5 |     fields::{fp::FpVar, FieldVar},
[INFO] [stdout] 6 |     prelude::*,
[INFO] [stdout]   |     ---------- the item `EqGadget` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `FieldVar` is imported redundantly
[INFO] [stdout]  --> src/set/constraints.rs:5:22
[INFO] [stdout]   |
[INFO] [stdout] 5 |     fields::{fp::FpVar, FieldVar},
[INFO] [stdout]   |                         ^^^^^^^^
[INFO] [stdout] 6 |     prelude::*,
[INFO] [stdout]   |     ---------- the item `FieldVar` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `get_rounds_mimc_220` in module `arkworks_utils::utils`
[INFO] [stdout]    --> src/merkle_tree/mod.rs:543:27
[INFO] [stdout]     |
[INFO] [stdout] 543 |             arkworks_utils::utils::get_rounds_mimc_220(),
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^^^^^ not found in `arkworks_utils::utils`
[INFO] [stdout]     |
[INFO] [stdout] note: found an item that was configured out
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/arkworks-utils-0.4.20/src/utils/mod.rs:142:8
[INFO] [stdout]     |
[INFO] [stdout] 142 | pub fn get_rounds_mimc_220<F: PrimeField>() -> Vec<F> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     = note: the item is gated behind the `mimc_220_ed_on_bn254` feature
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `get_rounds_mimc_220` in module `arkworks_utils::utils`
[INFO] [stdout]    --> src/merkle_tree/mod.rs:582:27
[INFO] [stdout]     |
[INFO] [stdout] 582 |             arkworks_utils::utils::get_rounds_mimc_220(),
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^^^^^ not found in `arkworks_utils::utils`
[INFO] [stdout]     |
[INFO] [stdout] note: found an item that was configured out
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/arkworks-utils-0.4.20/src/utils/mod.rs:142:8
[INFO] [stdout]     |
[INFO] [stdout] 142 | pub fn get_rounds_mimc_220<F: PrimeField>() -> Vec<F> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     = note: the item is gated behind the `mimc_220_ed_on_bn254` feature
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `get_rounds_mimc_220` in module `arkworks_utils::utils`
[INFO] [stdout]    --> src/merkle_tree/mod.rs:604:27
[INFO] [stdout]     |
[INFO] [stdout] 604 |             arkworks_utils::utils::get_rounds_mimc_220(),
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^^^^^ not found in `arkworks_utils::utils`
[INFO] [stdout]     |
[INFO] [stdout] note: found an item that was configured out
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/arkworks-utils-0.4.20/src/utils/mod.rs:142:8
[INFO] [stdout]     |
[INFO] [stdout] 142 | pub fn get_rounds_mimc_220<F: PrimeField>() -> Vec<F> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     = note: the item is gated behind the `mimc_220_ed_on_bn254` feature
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `get_rounds_mimc_220` in module `arkworks_utils::utils`
[INFO] [stdout]    --> src/mimc/constraints.rs:233:27
[INFO] [stdout]     |
[INFO] [stdout] 233 |             arkworks_utils::utils::get_rounds_mimc_220(),
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^^^^^ not found in `arkworks_utils::utils`
[INFO] [stdout]     |
[INFO] [stdout] note: found an item that was configured out
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/arkworks-utils-0.4.20/src/utils/mod.rs:142:8
[INFO] [stdout]     |
[INFO] [stdout] 142 | pub fn get_rounds_mimc_220<F: PrimeField>() -> Vec<F> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     = note: the item is gated behind the `mimc_220_ed_on_bn254` feature
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `get_rounds_mimc_220` in module `arkworks_utils::utils`
[INFO] [stdout]    --> src/mimc/constraints.rs:272:27
[INFO] [stdout]     |
[INFO] [stdout] 272 |             arkworks_utils::utils::get_rounds_mimc_220(),
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^^^^^ not found in `arkworks_utils::utils`
[INFO] [stdout]     |
[INFO] [stdout] note: found an item that was configured out
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/arkworks-utils-0.4.20/src/utils/mod.rs:142:8
[INFO] [stdout]     |
[INFO] [stdout] 142 | pub fn get_rounds_mimc_220<F: PrimeField>() -> Vec<F> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     = note: the item is gated behind the `mimc_220_ed_on_bn254` feature
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `get_rounds_mimc_220` in module `arkworks_utils::utils`
[INFO] [stdout]    --> src/mimc/mod.rs:200:27
[INFO] [stdout]     |
[INFO] [stdout] 200 |             arkworks_utils::utils::get_rounds_mimc_220(),
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^^^^^ not found in `arkworks_utils::utils`
[INFO] [stdout]     |
[INFO] [stdout] note: found an item that was configured out
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/arkworks-utils-0.4.20/src/utils/mod.rs:142:8
[INFO] [stdout]     |
[INFO] [stdout] 142 | pub fn get_rounds_mimc_220<F: PrimeField>() -> Vec<F> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     = note: the item is gated behind the `mimc_220_ed_on_bn254` feature
[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/b0696a5160711c068cb1f01b7437db7990d15750/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 `Vec` is imported redundantly
[INFO] [stdout]  --> src/identity/mod.rs:3:47
[INFO] [stdout]   |
[INFO] [stdout] 3 | use ark_std::{marker::PhantomData, rand::Rng, vec::Vec};
[INFO] [stdout]   |                                               ^^^^^^^^
[INFO] [stdout]  --> /rustc/b0696a5160711c068cb1f01b7437db7990d15750/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 `AllocVar` is imported redundantly
[INFO] [stdout]  --> src/identity/constraints.rs:4:20
[INFO] [stdout]   |
[INFO] [stdout] 4 | use ark_r1cs_std::{alloc::AllocVar, fields::fp::FpVar, prelude::*, uint8::UInt8};
[INFO] [stdout]   |                    ^^^^^^^^^^^^^^^                     ---------- the item `AllocVar` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `UInt8` is imported redundantly
[INFO] [stdout]  --> src/identity/constraints.rs:4:68
[INFO] [stdout]   |
[INFO] [stdout] 4 | use ark_r1cs_std::{alloc::AllocVar, fields::fp::FpVar, prelude::*, uint8::UInt8};
[INFO] [stdout]   |                                                        ----------  ^^^^^^^^^^^^
[INFO] [stdout]   |                                                        |
[INFO] [stdout]   |                                                        the item `UInt8` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Vec` is imported redundantly
[INFO] [stdout]  --> src/identity/constraints.rs:6:36
[INFO] [stdout]   |
[INFO] [stdout] 6 | use ark_std::{marker::PhantomData, vec::Vec};
[INFO] [stdout]   |                                    ^^^^^^^^
[INFO] [stdout]  --> /rustc/b0696a5160711c068cb1f01b7437db7990d15750/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 `AllocVar` is imported redundantly
[INFO] [stdout]   --> src/keypair/vanchor/constraints.rs:80:11
[INFO] [stdout]    |
[INFO] [stdout] 68 |     use super::*;
[INFO] [stdout]    |         -------- the item `AllocVar` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 80 |         alloc::{AllocVar, AllocationMode},
[INFO] [stdout]    |                 ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `AllocationMode` is imported redundantly
[INFO] [stdout]   --> src/keypair/vanchor/constraints.rs:80:21
[INFO] [stdout]    |
[INFO] [stdout] 68 |     use super::*;
[INFO] [stdout]    |         -------- the item `AllocationMode` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 80 |         alloc::{AllocVar, AllocationMode},
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `EqGadget` is imported redundantly
[INFO] [stdout]   --> src/keypair/vanchor/constraints.rs:81:3
[INFO] [stdout]    |
[INFO] [stdout] 68 |     use super::*;
[INFO] [stdout]    |         -------- the item `EqGadget` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 81 |         prelude::EqGadget,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `R1CSVar` is imported redundantly
[INFO] [stdout]   --> src/keypair/vanchor/constraints.rs:82:3
[INFO] [stdout]    |
[INFO] [stdout] 68 |     use super::*;
[INFO] [stdout]    |         -------- the item `R1CSVar` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 82 |         R1CSVar,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Vec` is imported redundantly
[INFO] [stdout]  --> src/leaf/anchor/constraints.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::Vec;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout]  --> /rustc/b0696a5160711c068cb1f01b7437db7990d15750/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 `R1CSVar` is imported redundantly
[INFO] [stdout]    --> src/leaf/anchor/constraints.rs:108:6
[INFO] [stdout]     |
[INFO] [stdout] 98  |     use super::*;
[INFO] [stdout]     |         -------- the item `R1CSVar` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 108 |     use ark_r1cs_std::R1CSVar;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Vec` is imported redundantly
[INFO] [stdout]  --> src/leaf/basic/constraints.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::Vec;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout]  --> /rustc/b0696a5160711c068cb1f01b7437db7990d15750/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/leaf/mixer/constraints.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::Vec;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout]  --> /rustc/b0696a5160711c068cb1f01b7437db7990d15750/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/leaf/vanchor/mod.rs:80:6
[INFO] [stdout]    |
[INFO] [stdout] 80 |     use ark_std::vec::Vec;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   --> /rustc/b0696a5160711c068cb1f01b7437db7990d15750/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/merkle_tree/mod.rs:8:2
[INFO] [stdout]   |
[INFO] [stdout] 8 |     vec::Vec,
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]  --> /rustc/b0696a5160711c068cb1f01b7437db7990d15750/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/merkle_tree/constraints.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::Vec;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout]  --> /rustc/b0696a5160711c068cb1f01b7437db7990d15750/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 `AllocVar` is imported redundantly
[INFO] [stdout]  --> src/merkle_tree/constraints.rs:8:2
[INFO] [stdout]   |
[INFO] [stdout] 8 |     alloc::AllocVar, eq::EqGadget, fields::fp::FpVar, prelude::*, select::CondSelectGadget,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^                                   ---------- the item `AllocVar` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `EqGadget` is imported redundantly
[INFO] [stdout]  --> src/merkle_tree/constraints.rs:8:19
[INFO] [stdout]   |
[INFO] [stdout] 8 |     alloc::AllocVar, eq::EqGadget, fields::fp::FpVar, prelude::*, select::CondSelectGadget,
[INFO] [stdout]   |                      ^^^^^^^^^^^^                     ---------- the item `EqGadget` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `CondSelectGadget` is imported redundantly
[INFO] [stdout]  --> src/merkle_tree/constraints.rs:8:64
[INFO] [stdout]   |
[INFO] [stdout] 8 |     alloc::AllocVar, eq::EqGadget, fields::fp::FpVar, prelude::*, select::CondSelectGadget,
[INFO] [stdout]   |                                                       ----------  ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |                                                       |
[INFO] [stdout]   |                                                       the item `CondSelectGadget` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `ToBytesGadget` is imported redundantly
[INFO] [stdout]  --> src/merkle_tree/constraints.rs:9:2
[INFO] [stdout]   |
[INFO] [stdout] 8 |     alloc::AllocVar, eq::EqGadget, fields::fp::FpVar, prelude::*, select::CondSelectGadget,
[INFO] [stdout]   |                                                       ---------- the item `ToBytesGadget` is already imported here
[INFO] [stdout] 9 |     ToBytesGadget,
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `ToOwned` is imported redundantly
[INFO] [stdout]  --> src/merkle_tree/simple_merkle.rs:6:2
[INFO] [stdout]   |
[INFO] [stdout] 6 |     borrow::ToOwned,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/b0696a5160711c068cb1f01b7437db7990d15750/library/std/src/prelude/mod.rs:115:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `ToOwned` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lint `mutable_borrow_reservation_conflict` has been removed: now allowed, see issue #59159 <https://github.com/rust-lang/rust/issues/59159> for more information
[INFO] [stdout]    --> src/merkle_tree/simple_merkle.rs:123:13
[INFO] [stdout]     |
[INFO] [stdout] 123 |                 #[allow(mutable_borrow_reservation_conflict)]
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(renamed_and_removed_lints)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lint `mutable_borrow_reservation_conflict` has been removed: now allowed, see issue #59159 <https://github.com/rust-lang/rust/issues/59159> for more information
[INFO] [stdout]    --> src/merkle_tree/mod.rs:180:13
[INFO] [stdout]     |
[INFO] [stdout] 180 |                 #[allow(mutable_borrow_reservation_conflict)]
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `ToString` is imported redundantly
[INFO] [stdout]  --> src/mimc/mod.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::ark_std::string::ToString;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/b0696a5160711c068cb1f01b7437db7990d15750/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/mimc/mod.rs:4:73
[INFO] [stdout]   |
[INFO] [stdout] 4 | use ark_std::{error::Error as ArkError, marker::PhantomData, rand::Rng, vec::Vec};
[INFO] [stdout]   |                                                                         ^^^^^^^^
[INFO] [stdout]  --> /rustc/b0696a5160711c068cb1f01b7437db7990d15750/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 `AllocVar` is imported redundantly
[INFO] [stdout]  --> src/mimc/constraints.rs:5:2
[INFO] [stdout]   |
[INFO] [stdout] 5 |     alloc::AllocVar,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 6 |     fields::{fp::FpVar, FieldVar},
[INFO] [stdout] 7 |     prelude::*,
[INFO] [stdout]   |     ---------- the item `AllocVar` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `FieldVar` is imported redundantly
[INFO] [stdout]  --> src/mimc/constraints.rs:6:22
[INFO] [stdout]   |
[INFO] [stdout] 6 |     fields::{fp::FpVar, FieldVar},
[INFO] [stdout]   |                         ^^^^^^^^
[INFO] [stdout] 7 |     prelude::*,
[INFO] [stdout]   |     ---------- the item `FieldVar` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `AllocVar` is imported redundantly
[INFO] [stdout]  --> src/poseidon/constraints.rs:5:2
[INFO] [stdout]   |
[INFO] [stdout] 5 |     alloc::AllocVar,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 6 |     fields::{fp::FpVar, FieldVar},
[INFO] [stdout] 7 |     prelude::*,
[INFO] [stdout]   |     ---------- the item `AllocVar` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `FieldVar` is imported redundantly
[INFO] [stdout]  --> src/poseidon/constraints.rs:6:22
[INFO] [stdout]   |
[INFO] [stdout] 6 |     fields::{fp::FpVar, FieldVar},
[INFO] [stdout]   |                         ^^^^^^^^
[INFO] [stdout] 7 |     prelude::*,
[INFO] [stdout]   |     ---------- the item `FieldVar` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]   --> src/poseidon/constraints.rs:82:32
[INFO] [stdout]    |
[INFO] [stdout] 82 |                 let c = &params.round_keys[(r * (params.width as usize) + i)];
[INFO] [stdout]    |                                            ^                               ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 82 -                 let c = &params.round_keys[(r * (params.width as usize) + i)];
[INFO] [stdout] 82 +                 let c = &params.round_keys[r * (params.width as usize) + i];
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `AllocVar` is imported redundantly
[INFO] [stdout]    --> src/poseidon/constraints.rs:170:11
[INFO] [stdout]     |
[INFO] [stdout] 165 |     use super::*;
[INFO] [stdout]     |         -------- the item `AllocVar` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 170 |         alloc::{AllocVar, AllocationMode},
[INFO] [stdout]     |                 ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `AllocationMode` is imported redundantly
[INFO] [stdout]    --> src/poseidon/constraints.rs:170:21
[INFO] [stdout]     |
[INFO] [stdout] 165 |     use super::*;
[INFO] [stdout]     |         -------- the item `AllocationMode` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 170 |         alloc::{AllocVar, AllocationMode},
[INFO] [stdout]     |                           ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `R1CSVar` is imported redundantly
[INFO] [stdout]    --> src/poseidon/constraints.rs:171:3
[INFO] [stdout]     |
[INFO] [stdout] 165 |     use super::*;
[INFO] [stdout]     |         -------- the item `R1CSVar` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 171 |         R1CSVar,
[INFO] [stdout]     |         ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]   --> src/poseidon/field_hasher.rs:44:36
[INFO] [stdout]    |
[INFO] [stdout] 44 |                 let c = self.params.round_keys[(r * width + i)];
[INFO] [stdout]    |                                                ^             ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 44 -                 let c = self.params.round_keys[(r * width + i)];
[INFO] [stdout] 44 +                 let c = self.params.round_keys[r * width + i];
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]   --> src/poseidon/mod.rs:21:31
[INFO] [stdout]    |
[INFO] [stdout] 21 |                 let c = params.round_keys[(r * (params.width as usize) + i)];
[INFO] [stdout]    |                                           ^                               ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 21 -                 let c = params.round_keys[(r * (params.width as usize) + i)];
[INFO] [stdout] 21 +                 let c = params.round_keys[r * (params.width as usize) + i];
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `EqGadget` is imported redundantly
[INFO] [stdout]  --> src/set/constraints.rs:4:2
[INFO] [stdout]   |
[INFO] [stdout] 4 |     eq::EqGadget,
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 5 |     fields::{fp::FpVar, FieldVar},
[INFO] [stdout] 6 |     prelude::*,
[INFO] [stdout]   |     ---------- the item `EqGadget` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `FieldVar` is imported redundantly
[INFO] [stdout]  --> src/set/constraints.rs:5:22
[INFO] [stdout]   |
[INFO] [stdout] 5 |     fields::{fp::FpVar, FieldVar},
[INFO] [stdout]   |                         ^^^^^^^^
[INFO] [stdout] 6 |     prelude::*,
[INFO] [stdout]   |     ---------- the item `FieldVar` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 37 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 6 previous errors; 37 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `arkworks-gadgets` (lib test) due to 7 previous errors; 37 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "678887363ba25492d9ef7e32ab86852299d6635e6288ea45d622685190822769", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "678887363ba25492d9ef7e32ab86852299d6635e6288ea45d622685190822769", kill_on_drop: false }`
[INFO] [stdout] 678887363ba25492d9ef7e32ab86852299d6635e6288ea45d622685190822769
