[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 1.55.0 for beta-1.56-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshamatar%2Fposeidon_hash" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/shamatar/poseidon_hash on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-10/source/Cargo.toml
[INFO] crate git repo https://github.com/shamatar/poseidon_hash already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ab8beb4145b1b8a4f586ed8d32f14cf74e9d77fc7e8a43df7b570374615fe1e3
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "ab8beb4145b1b8a4f586ed8d32f14cf74e9d77fc7e8a43df7b570374615fe1e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ab8beb4145b1b8a4f586ed8d32f14cf74e9d77fc7e8a43df7b570374615fe1e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab8beb4145b1b8a4f586ed8d32f14cf74e9d77fc7e8a43df7b570374615fe1e3", kill_on_drop: false }`
[INFO] [stdout] ab8beb4145b1b8a4f586ed8d32f14cf74e9d77fc7e8a43df7b570374615fe1e3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3dc29cf8c7433b6ab25fcfceab9437913d203599558ec84c28c652a37407cfc6
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "3dc29cf8c7433b6ab25fcfceab9437913d203599558ec84c28c652a37407cfc6", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.33
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]    Compiling serde v1.0.114
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]    Compiling libm v0.2.1
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking num-complex v0.2.4
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]     Checking blake2-rfc_bellman_edition v0.0.1
[INFO] [stderr]     Checking sha2 v0.8.2
[INFO] [stderr]     Checking tiny-keccak v1.5.0
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking alga v0.9.3
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]     Checking num-bigint v0.2.6
[INFO] [stderr]    Compiling serde_derive v1.0.114
[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`, `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)]` 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: unused imports: `FromPrimitive`, `NumAssignOps`, `NumOps`, `Num`, `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)]` 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: 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: unused attribute
[INFO] [stdout]  --> src/specialization/specialized_2_into_1.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_attributes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused attribute
[INFO] [stdout]  --> src/specialization/specialized_2_into_1.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_attributes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> benches/hash.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(test)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^
[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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `poseidon_hash` due to 2 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "3dc29cf8c7433b6ab25fcfceab9437913d203599558ec84c28c652a37407cfc6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3dc29cf8c7433b6ab25fcfceab9437913d203599558ec84c28c652a37407cfc6", kill_on_drop: false }`
[INFO] [stdout] 3dc29cf8c7433b6ab25fcfceab9437913d203599558ec84c28c652a37407cfc6
