[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] 68197344c21db1f367dee2d3d7f88370e4068209
[INFO] checking shamatar/poseidon_hash against try#f6e2f78768c57172b99c3e85892f867894dc7e30 for pr-75502
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshamatar%2Fposeidon_hash" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/shamatar/poseidon_hash on toolchain f6e2f78768c57172b99c3e85892f867894dc7e30
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "read-manifest" "--manifest-path" "Cargo.toml", 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-0/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" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ff_ce v0.11.0
[INFO] [stderr]   Downloaded ff_derive_ce v0.8.0
[INFO] [stderr]   Downloaded blake2-rfc_bellman_edition v0.0.1
[INFO] [stderr]   Downloaded pairing_ce v0.22.0
[INFO] [stderr]   Downloaded mathru v0.6.10
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e8fe4b22464654293a695d2851c0764cc21db94ba3fd3e84c82dc7aabcb02915
[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" "e8fe4b22464654293a695d2851c0764cc21db94ba3fd3e84c82dc7aabcb02915", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e8fe4b22464654293a695d2851c0764cc21db94ba3fd3e84c82dc7aabcb02915", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e8fe4b22464654293a695d2851c0764cc21db94ba3fd3e84c82dc7aabcb02915", kill_on_drop: false }`
[INFO] [stdout] e8fe4b22464654293a695d2851c0764cc21db94ba3fd3e84c82dc7aabcb02915
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 106ea1f2aafaf5013de02be7f29a1f52fb0cd1a40032590d3ed720e2e5163ccb
[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" "106ea1f2aafaf5013de02be7f29a1f52fb0cd1a40032590d3ed720e2e5163ccb", kill_on_drop: false }`
[INFO] [stderr]    Compiling libm v0.2.1
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]    Compiling serde v1.0.114
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]     Checking byte-tools v0.3.1
[INFO] [stderr]     Checking ppv-lite86 v0.2.8
[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]     Checking fake-simd v0.1.2
[INFO] [stderr]     Checking opaque-debug v0.2.3
[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 rand v0.4.6
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]    Compiling syn v1.0.33
[INFO] [stderr]     Checking block-padding v0.1.5
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking sha2 v0.8.2
[INFO] [stderr]     Checking tiny-keccak v1.5.0
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking blake2-rfc_bellman_edition v0.0.1
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]     Checking alga v0.9.3
[INFO] [stderr]    Compiling ff_derive_ce v0.8.0
[INFO] [stderr]     Checking ff_ce v0.11.0
[INFO] [stderr]     Checking pairing_ce v0.22.0
[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] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 03s
[INFO] running `Command { std: "docker" "inspect" "106ea1f2aafaf5013de02be7f29a1f52fb0cd1a40032590d3ed720e2e5163ccb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "106ea1f2aafaf5013de02be7f29a1f52fb0cd1a40032590d3ed720e2e5163ccb", kill_on_drop: false }`
[INFO] [stdout] 106ea1f2aafaf5013de02be7f29a1f52fb0cd1a40032590d3ed720e2e5163ccb