[INFO] cloning repository https://github.com/alireza-shirzad/ark-guo
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/alireza-shirzad/ark-guo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falireza-shirzad%2Fark-guo", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falireza-shirzad%2Fark-guo'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 17aeaac2e0f592b874370025936a7a192f810800
[INFO] checking alireza-shirzad/ark-guo against try#ac4c3613be2acd5395b65d85e5657b81e3c982f0 for pr-154585
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falireza-shirzad%2Fark-guo" "/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/alireza-shirzad/ark-guo
[INFO] finished tweaking git repo https://github.com/alireza-shirzad/ark-guo
[INFO] tweaked toml for git repo https://github.com/alireza-shirzad/ark-guo written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/alireza-shirzad/ark-guo on toolchain ac4c3613be2acd5395b65d85e5657b81e3c982f0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ac4c3613be2acd5395b65d85e5657b81e3c982f0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/alireza-shirzad/ark-guo 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" "+ac4c3613be2acd5395b65d85e5657b81e3c982f0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ac4c3613be2acd5395b65d85e5657b81e3c982f0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c5a034171c0e985e1154a0292c508835a7d3b4739881aca5f2dd8c805520e871
[INFO] running `Command { std: "docker" "start" "-a" "c5a034171c0e985e1154a0292c508835a7d3b4739881aca5f2dd8c805520e871", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c5a034171c0e985e1154a0292c508835a7d3b4739881aca5f2dd8c805520e871", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c5a034171c0e985e1154a0292c508835a7d3b4739881aca5f2dd8c805520e871", kill_on_drop: false }`
[INFO] [stdout] c5a034171c0e985e1154a0292c508835a7d3b4739881aca5f2dd8c805520e871
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ac4c3613be2acd5395b65d85e5657b81e3c982f0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6c779aefc06b4130a25c35a7590d64c5f480e33e105418bfa5680b1567a4dc9e
[INFO] running `Command { std: "docker" "start" "-a" "6c779aefc06b4130a25c35a7590d64c5f480e33e105418bfa5680b1567a4dc9e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.169
[INFO] [stderr]    Compiling gmp-mpfr-sys v1.6.4
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]    Compiling az v1.2.1
[INFO] [stderr]    Compiling rug v1.27.0
[INFO] [stderr]     Checking zeroize v1.8.1
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]    Compiling ark-serialize-derive v0.5.0
[INFO] [stderr]     Checking zerocopy v0.7.35
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking ppv-lite86 v0.2.20
[INFO] [stderr]     Checking num-bigint v0.4.6
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking ark-std v0.5.0
[INFO] [stderr]     Checking ark-serialize v0.5.0
[INFO] [stderr]     Checking ark-guo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Compress`, `Valid`, and `Validate`
[INFO] [stdout]  --> src/class/mod.rs:3:47
[INFO] [stdout]   |
[INFO] [stdout] 3 |     CanonicalDeserialize, CanonicalSerialize, Compress, Valid, Validate
[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 imports: `Compress`, `Valid`, and `Validate`
[INFO] [stdout]  --> src/class/mod.rs:3:47
[INFO] [stdout]   |
[INFO] [stdout] 3 |     CanonicalDeserialize, CanonicalSerialize, Compress, Valid, Validate
[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 4m 46s
[INFO] running `Command { std: "docker" "inspect" "6c779aefc06b4130a25c35a7590d64c5f480e33e105418bfa5680b1567a4dc9e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c779aefc06b4130a25c35a7590d64c5f480e33e105418bfa5680b1567a4dc9e", kill_on_drop: false }`
[INFO] [stdout] 6c779aefc06b4130a25c35a7590d64c5f480e33e105418bfa5680b1567a4dc9e