[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 try#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshamatar%2Fposeidon_hash" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/shamatar/poseidon_hash on toolchain a7a572ce3edd6d476191fbfe92c9c1986e009b34
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "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-4/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" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ff_derive_ce v0.9.0
[INFO] [stderr]   Downloaded ff_ce v0.12.0
[INFO] [stderr]   Downloaded pairing_ce v0.24.0
[INFO] [stderr]   Downloaded mathru v0.6.10
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0129fa168f6e57fe031fdcbc3471ea9a0de512a749b4f7fc1a1477ab9a857992
[INFO] running `Command { std: "docker" "start" "-a" "0129fa168f6e57fe031fdcbc3471ea9a0de512a749b4f7fc1a1477ab9a857992", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0129fa168f6e57fe031fdcbc3471ea9a0de512a749b4f7fc1a1477ab9a857992", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0129fa168f6e57fe031fdcbc3471ea9a0de512a749b4f7fc1a1477ab9a857992", kill_on_drop: false }`
[INFO] [stdout] 0129fa168f6e57fe031fdcbc3471ea9a0de512a749b4f7fc1a1477ab9a857992
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2190341cbbb755a8d69c9031bb6d443728431002a86dd433d63c3e7ac543406d
[INFO] running `Command { std: "docker" "start" "-a" "2190341cbbb755a8d69c9031bb6d443728431002a86dd433d63c3e7ac543406d", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] Running `cargo fix --edition`
[INFO] [stderr] note: Switching to Edition 2021 will enable the use of the version 2 feature resolver in Cargo.
[INFO] [stderr] This may cause some dependencies to be built with fewer features enabled than previously.
[INFO] [stderr] More information about the resolver changes may be found at https://doc.rust-lang.org/nightly/edition-guide/rust-2021/default-cargo-resolver.html
[INFO] [stderr] When building the following dependencies, the given features will no longer be used:
[INFO] [stderr] 
[INFO] [stderr]   num-traits v0.2.12 (as host dependency): libm
[INFO] [stderr] 
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling syn v1.0.33
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]    Compiling serde v1.0.114
[INFO] [stderr]     Checking ppv-lite86 v0.2.8
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]     Checking hex v0.4.2
[INFO] [stderr]     Checking constant_time_eq v0.1.5
[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 proc-macro2 v1.0.18
[INFO] [stderr]     Checking generic-array v0.12.3
[INFO] [stderr]     Checking tiny-keccak v1.5.0
[INFO] [stderr]     Checking digest v0.8.1
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking sha2 v0.8.2
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking blake2-rfc_bellman_edition v0.0.1
[INFO] [stderr]     Checking getrandom v0.1.14
[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 approx v0.3.2
[INFO] [stderr]     Checking rand v0.7.3
[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 (/tmp/fixit)
[INFO] [stderr]    Migrating src/lib.rs from 2018 edition to 2021
[INFO] [stderr]        Fixed src/algebra/mathru/mod.rs (2 fixes)
[INFO] [stderr]        Fixed src/algebra/num_impls.rs (1 fix)
[INFO] [stderr]        Fixed src/specialization/specialized_2_into_1.rs (1 fix)
[INFO] [stderr]        Fixed src/algebra/mod.rs (1 fix)
[INFO] [stdout] warning: unused import: `crate::pairing::ff::Field`
[INFO] [stdout]    --> src/algebra/mathru/mod.rs:159:13
[INFO] [stdout]     |
[INFO] [stdout] 159 |         use crate::pairing::ff::Field;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Migrating benches/hash.rs from 2018 edition to 2021
[INFO] [stderr]        Fixed benches/hash.rs (1 fix)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 26.07s
[INFO] [stderr] Running `cargo check` to verify 2021
[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 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 poseidon_hash v0.0.1 (/tmp/fixit)
[INFO] [stdout] warning: unused import: `crate::pairing::ff::Field`
[INFO] [stdout]    --> src/algebra/mathru/mod.rs:159:13
[INFO] [stdout]     |
[INFO] [stdout] 159 |         use crate::pairing::ff::Field;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.73s
[INFO] running `Command { std: "docker" "inspect" "2190341cbbb755a8d69c9031bb6d443728431002a86dd433d63c3e7ac543406d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2190341cbbb755a8d69c9031bb6d443728431002a86dd433d63c3e7ac543406d", kill_on_drop: false }`
[INFO] [stdout] 2190341cbbb755a8d69c9031bb6d443728431002a86dd433d63c3e7ac543406d