[INFO] cloning repository https://github.com/zhonglinlynn/poseidon-hash-2022.2.13
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/zhonglinlynn/poseidon-hash-2022.2.13" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzhonglinlynn%2Fposeidon-hash-2022.2.13", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzhonglinlynn%2Fposeidon-hash-2022.2.13'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 495ae87ff066d066b140c7d0dff8d929b87d31ee
[INFO] testing zhonglinlynn/poseidon-hash-2022.2.13 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-7
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzhonglinlynn%2Fposeidon-hash-2022.2.13" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/zhonglinlynn/poseidon-hash-2022.2.13
[INFO] finished tweaking git repo https://github.com/zhonglinlynn/poseidon-hash-2022.2.13
[INFO] tweaked toml for git repo https://github.com/zhonglinlynn/poseidon-hash-2022.2.13 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/zhonglinlynn/poseidon-hash-2022.2.13 on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/zhonglinlynn/poseidon-hash-2022.2.13 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] eea64b199e40d2d5992a46badc716822f1287d8d6bd51684718b9144ee0b021c
[INFO] running `Command { std: "docker" "start" "-a" "eea64b199e40d2d5992a46badc716822f1287d8d6bd51684718b9144ee0b021c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eea64b199e40d2d5992a46badc716822f1287d8d6bd51684718b9144ee0b021c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eea64b199e40d2d5992a46badc716822f1287d8d6bd51684718b9144ee0b021c", kill_on_drop: false }`
[INFO] [stdout] eea64b199e40d2d5992a46badc716822f1287d8d6bd51684718b9144ee0b021c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c8752f769fd7fca10599321164c65768b4713631bd2d956184a8219250e22817
[INFO] running `Command { std: "docker" "start" "-a" "c8752f769fd7fca10599321164c65768b4713631bd2d956184a8219250e22817", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling libm v0.2.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.33
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]    Compiling byte-tools v0.3.1
[INFO] [stderr]    Compiling ppv-lite86 v0.2.8
[INFO] [stderr]    Compiling serde v1.0.114
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]    Compiling nodrop v0.1.14
[INFO] [stderr]    Compiling generic-array v0.12.3
[INFO] [stderr]    Compiling hex v0.4.2
[INFO] [stderr]    Compiling block-padding v0.1.5
[INFO] [stderr]    Compiling fake-simd v0.1.2
[INFO] [stderr]    Compiling constant_time_eq v0.1.5
[INFO] [stderr]    Compiling opaque-debug v0.2.3
[INFO] [stderr]    Compiling tiny-keccak v1.5.0
[INFO] [stderr]    Compiling digest v0.8.1
[INFO] [stderr]    Compiling block-buffer v0.7.3
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling sha2 v0.8.2
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling blake2-rfc_bellman_edition v0.0.1
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling approx v0.3.2
[INFO] [stderr]    Compiling alga v0.9.3
[INFO] [stderr]    Compiling ff_derive_ce v0.9.0
[INFO] [stderr]    Compiling ff_ce v0.12.0
[INFO] [stderr]    Compiling pairing_ce v0.24.0
[INFO] [stderr]    Compiling mathru v0.6.10
[INFO] [stderr]    Compiling poseidon_hash v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `FromPrimitive`, `NumAssignOps`, `NumOps`, `Num`, and `ToPrimitive`
[INFO] [stdout]   --> src/algebra/num_impls.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 |     NumOps,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 25 |     Num,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 26 |     NumAssignOps,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 27 |     FromPrimitive,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 28 |     ToPrimitive
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Power`
[INFO] [stdout]   --> src/algebra/mathru/mod.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 |     Power
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::specialization_macro::*`
[INFO] [stdout]  --> src/specialization/specialized_2_into_1.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use super::specialization_macro::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[macro_use]` attribute cannot be used on use statements
[INFO] [stdout]  --> src/specialization/specialized_2_into_1.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]   = help: `#[macro_use]` can be applied to crates, extern crates, and modules
[INFO] [stdout]   = note: `#[warn(unused_attributes)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Element` is never constructed
[INFO] [stdout]   --> src/algebra/mod.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub struct Element<F: PrimeField>(F);
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 15.27s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: mathru v0.6.10
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] running `Command { std: "docker" "inspect" "c8752f769fd7fca10599321164c65768b4713631bd2d956184a8219250e22817", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c8752f769fd7fca10599321164c65768b4713631bd2d956184a8219250e22817", kill_on_drop: false }`
[INFO] [stdout] c8752f769fd7fca10599321164c65768b4713631bd2d956184a8219250e22817
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 19d99f25d8f70971d2afb809245e71e7d828dca4861c732f0bcb119d25d1434d
[INFO] running `Command { std: "docker" "start" "-a" "19d99f25d8f70971d2afb809245e71e7d828dca4861c732f0bcb119d25d1434d", kill_on_drop: false }`
[INFO] [stderr]    Compiling poseidon_hash v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `FromPrimitive`, `NumAssignOps`, `NumOps`, `Num`, and `ToPrimitive`
[INFO] [stdout]   --> src/algebra/num_impls.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 |     NumOps,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 25 |     Num,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 26 |     NumAssignOps,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 27 |     FromPrimitive,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 28 |     ToPrimitive
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Power`
[INFO] [stdout]   --> src/algebra/mathru/mod.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 |     Power
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::specialization_macro::*`
[INFO] [stdout]  --> src/specialization/specialized_2_into_1.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use super::specialization_macro::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[macro_use]` attribute cannot be used on use statements
[INFO] [stdout]  --> src/specialization/specialized_2_into_1.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]   = help: `#[macro_use]` can be applied to crates, extern crates, and modules
[INFO] [stdout]   = note: `#[warn(unused_attributes)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Element` is never constructed
[INFO] [stdout]   --> src/algebra/mod.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub struct Element<F: PrimeField>(F);
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `FromPrimitive`, `NumAssignOps`, `NumOps`, `Num`, and `ToPrimitive`
[INFO] [stdout]   --> src/algebra/num_impls.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 |     NumOps,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 25 |     Num,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 26 |     NumAssignOps,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 27 |     FromPrimitive,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 28 |     ToPrimitive
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Power`
[INFO] [stdout]   --> src/algebra/mathru/mod.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 |     Power
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::pairing::bn256::Fr`
[INFO] [stdout]    --> src/algebra/mathru/mod.rs:160:13
[INFO] [stdout]     |
[INFO] [stdout] 160 |         use crate::pairing::bn256::Fr;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]   --> src/algebra/mod.rs:76:9
[INFO] [stdout]    |
[INFO] [stdout] 76 |     use super::*;
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::specialization_macro::*`
[INFO] [stdout]  --> src/specialization/specialized_2_into_1.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use super::specialization_macro::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[macro_use]` attribute cannot be used on use statements
[INFO] [stdout]  --> src/specialization/specialized_2_into_1.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]   = help: `#[macro_use]` can be applied to crates, extern crates, and modules
[INFO] [stdout]   = note: `#[warn(unused_attributes)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::pairing::ff::Field`
[INFO] [stdout]    --> src/algebra/mathru/mod.rs:161:13
[INFO] [stdout]     |
[INFO] [stdout] 161 |         use crate::pairing::ff::Field;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.97s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: mathru v0.6.10
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] running `Command { std: "docker" "inspect" "19d99f25d8f70971d2afb809245e71e7d828dca4861c732f0bcb119d25d1434d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "19d99f25d8f70971d2afb809245e71e7d828dca4861c732f0bcb119d25d1434d", kill_on_drop: false }`
[INFO] [stdout] 19d99f25d8f70971d2afb809245e71e7d828dca4861c732f0bcb119d25d1434d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ed4162594af68d81a95424228997a8f575e628a08491169fed21473545496748
[INFO] running `Command { std: "docker" "start" "-a" "ed4162594af68d81a95424228997a8f575e628a08491169fed21473545496748", kill_on_drop: false }`
[INFO] [stderr] warning: unused imports: `FromPrimitive`, `NumAssignOps`, `NumOps`, `Num`, and `ToPrimitive`
[INFO] [stderr]   --> src/algebra/num_impls.rs:24:5
[INFO] [stderr]    |
[INFO] [stderr] 24 |     NumOps,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 25 |     Num,
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 26 |     NumAssignOps,
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr] 27 |     FromPrimitive,
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr] 28 |     ToPrimitive
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Power`
[INFO] [stderr]   --> src/algebra/mathru/mod.rs:22:5
[INFO] [stderr]    |
[INFO] [stderr] 22 |     Power
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `super::specialization_macro::*`
[INFO] [stderr]  --> src/specialization/specialized_2_into_1.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use super::specialization_macro::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `#[macro_use]` attribute cannot be used on use statements
[INFO] [stderr]  --> src/specialization/specialized_2_into_1.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]   = help: `#[macro_use]` can be applied to crates, extern crates, and modules
[INFO] [stderr]   = note: `#[warn(unused_attributes)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Element` is never constructed
[INFO] [stderr]   --> src/algebra/mod.rs:23:12
[INFO] [stderr]    |
[INFO] [stderr] 23 | pub struct Element<F: PrimeField>(F);
[INFO] [stderr]    |            ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::pairing::bn256::Fr`
[INFO] [stderr]    --> src/algebra/mathru/mod.rs:160:13
[INFO] [stderr]     |
[INFO] [stderr] 160 |         use crate::pairing::bn256::Fr;
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `super::*`
[INFO] [stderr]   --> src/algebra/mod.rs:76:9
[INFO] [stderr]    |
[INFO] [stderr] 76 |     use super::*;
[INFO] [stderr]    |         ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::pairing::ff::Field`
[INFO] [stderr]    --> src/algebra/mathru/mod.rs:161:13
[INFO] [stderr]     |
[INFO] [stderr] 161 |         use crate::pairing::ff::Field;
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `poseidon_hash` (lib) generated 5 warnings (run `cargo fix --lib -p poseidon_hash` to apply 4 suggestions)
[INFO] [stderr] warning: `poseidon_hash` (lib test) generated 7 warnings (4 duplicates) (run `cargo fix --lib -p poseidon_hash --tests` to apply 2 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: mathru v0.6.10
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/poseidon_hash-7ec7c0ccfafdcd2a)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test algebra::mathru::test::test_over_float ... ok
[INFO] [stdout] test bn256::test::test_generate_bn256_params ... ok
[INFO] [stdout] test bn256::test::print_mds ... ok
[INFO] [stdout] test bn256::test::test_bn256_stateful_hash ... ok
[INFO] [stdout] test algebra::mathru::test::test_construction ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests poseidon_hash
[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" "ed4162594af68d81a95424228997a8f575e628a08491169fed21473545496748", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed4162594af68d81a95424228997a8f575e628a08491169fed21473545496748", kill_on_drop: false }`
[INFO] [stdout] ed4162594af68d81a95424228997a8f575e628a08491169fed21473545496748