[INFO] cloning repository https://github.com/shamatar/poseidon_hash
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/shamatar/poseidon_hash" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshamatar%2Fposeidon_hash", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshamatar%2Fposeidon_hash'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 495ae87ff066d066b140c7d0dff8d929b87d31ee
[INFO] checking shamatar/poseidon_hash against master#1b8f2e46e14b08208a53585570edd9206374aae8 for pr-155418-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshamatar%2Fposeidon_hash" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/shamatar/poseidon_hash
[INFO] finished tweaking git repo https://github.com/shamatar/poseidon_hash
[INFO] tweaked toml for git repo https://github.com/shamatar/poseidon_hash written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/shamatar/poseidon_hash on toolchain 1b8f2e46e14b08208a53585570edd9206374aae8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1b8f2e46e14b08208a53585570edd9206374aae8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/shamatar/poseidon_hash 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" "+1b8f2e46e14b08208a53585570edd9206374aae8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded generic-array v0.12.3
[INFO] [stderr]   Downloaded blake2-rfc_bellman_edition v0.0.1
[INFO] [stderr]   Downloaded tiny-keccak v1.5.0
[INFO] [stderr]   Downloaded ppv-lite86 v0.2.8
[INFO] [stderr]   Downloaded ff_ce v0.12.0
[INFO] [stderr]   Downloaded libm v0.2.1
[INFO] [stderr]   Downloaded num-integer v0.1.43
[INFO] [stderr]   Downloaded hex v0.4.2
[INFO] [stderr]   Downloaded mathru v0.6.10
[INFO] [stderr]   Downloaded pairing_ce v0.24.0
[INFO] [stderr]   Downloaded ff_derive_ce v0.9.0
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1b8f2e46e14b08208a53585570edd9206374aae8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 367a9fe83918ff997b89a281422044ad7881c18e12aa6ad4f9aaf8b38f73d345
[INFO] running `Command { std: "docker" "start" "-a" "367a9fe83918ff997b89a281422044ad7881c18e12aa6ad4f9aaf8b38f73d345", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "367a9fe83918ff997b89a281422044ad7881c18e12aa6ad4f9aaf8b38f73d345", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "367a9fe83918ff997b89a281422044ad7881c18e12aa6ad4f9aaf8b38f73d345", kill_on_drop: false }`
[INFO] [stdout] 367a9fe83918ff997b89a281422044ad7881c18e12aa6ad4f9aaf8b38f73d345
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1b8f2e46e14b08208a53585570edd9206374aae8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 50075113d200e66b2a6a375cb96656251e303291e2b81193b1b62437a3a8f466
[INFO] running `Command { std: "docker" "start" "-a" "50075113d200e66b2a6a375cb96656251e303291e2b81193b1b62437a3a8f466", 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 byteorder v1.3.4
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]    Compiling serde v1.0.114
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]     Checking ppv-lite86 v0.2.8
[INFO] [stderr]     Checking byte-tools v0.3.1
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]     Checking block-padding v0.1.5
[INFO] [stderr]     Checking hex v0.4.2
[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]     Checking constant_time_eq v0.1.5
[INFO] [stderr]     Checking fake-simd v0.1.2
[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]     Checking opaque-debug v0.2.3
[INFO] [stderr]     Checking tiny-keccak v1.5.0
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking blake2-rfc_bellman_edition v0.0.1
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking generic-array v0.12.3
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]     Checking digest v0.8.1
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking sha2 v0.8.2
[INFO] [stderr]     Checking alga v0.9.3
[INFO] [stderr]    Compiling ff_derive_ce v0.9.0
[INFO] [stderr]     Checking ff_ce v0.12.0
[INFO] [stderr]     Checking pairing_ce v0.24.0
[INFO] [stderr]     Checking mathru v0.6.10
[INFO] [stderr]     Checking 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: 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] [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 import: `poseidon_hash::specialization::specialization_macro::PosendonR2C1`
[INFO] [stdout]   --> benches/hash.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use poseidon_hash::specialization::specialization_macro::PosendonR2C1;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 18.15s
[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" "50075113d200e66b2a6a375cb96656251e303291e2b81193b1b62437a3a8f466", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "50075113d200e66b2a6a375cb96656251e303291e2b81193b1b62437a3a8f466", kill_on_drop: false }`
[INFO] [stdout] 50075113d200e66b2a6a375cb96656251e303291e2b81193b1b62437a3a8f466
