[INFO] cloning repository https://github.com/kharenzze/pizza2021
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kharenzze/pizza2021" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkharenzze%2Fpizza2021", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkharenzze%2Fpizza2021'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] cb83796a0f16ee5c52b77f23be7c3de3007390e9
[INFO] checking kharenzze/pizza2021 against master#90442458ac46b1d5eed752c316da25450f67285b for pr-81477
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkharenzze%2Fpizza2021" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kharenzze/pizza2021 on toolchain 90442458ac46b1d5eed752c316da25450f67285b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/kharenzze/pizza2021
[INFO] finished tweaking git repo https://github.com/kharenzze/pizza2021
[INFO] tweaked toml for git repo https://github.com/kharenzze/pizza2021 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/kharenzze/pizza2021 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+90442458ac46b1d5eed752c316da25450f67285b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2290e084f0d37b2299daadca224a166598dd6cfb191739b5c4f520d46488a2b2
[INFO] running `Command { std: "docker" "start" "-a" "2290e084f0d37b2299daadca224a166598dd6cfb191739b5c4f520d46488a2b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2290e084f0d37b2299daadca224a166598dd6cfb191739b5c4f520d46488a2b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2290e084f0d37b2299daadca224a166598dd6cfb191739b5c4f520d46488a2b2", kill_on_drop: false }`
[INFO] [stdout] 2290e084f0d37b2299daadca224a166598dd6cfb191739b5c4f520d46488a2b2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+90442458ac46b1d5eed752c316da25450f67285b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5e829370506ac55a41c1a3076247ba08cc26de42a1b28806ee41ff93e2bbdf8e
[INFO] running `Command { std: "docker" "start" "-a" "5e829370506ac55a41c1a3076247ba08cc26de42a1b28806ee41ff93e2bbdf8e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking pizza2021 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `borrow::Borrow`
[INFO] [stdout]  --> src/main.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{borrow::Borrow, cell::{RefCell}, collections::HashMap, io::prelude::*, rc::Rc};
[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] [stdout] warning: unused import: `borrow::Borrow`
[INFO] [stdout]  --> src/main.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{borrow::Borrow, cell::{RefCell}, collections::HashMap, io::prelude::*, rc::Rc};
[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 0.52s
[INFO] running `Command { std: "docker" "inspect" "5e829370506ac55a41c1a3076247ba08cc26de42a1b28806ee41ff93e2bbdf8e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e829370506ac55a41c1a3076247ba08cc26de42a1b28806ee41ff93e2bbdf8e", kill_on_drop: false }`
[INFO] [stdout] 5e829370506ac55a41c1a3076247ba08cc26de42a1b28806ee41ff93e2bbdf8e