[INFO] cloning repository https://github.com/JLerxky/algorithm
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/JLerxky/algorithm" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJLerxky%2Falgorithm", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJLerxky%2Falgorithm'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 43cb899b99ce8752bf9758badbd593dd90ebf984
[INFO] checking JLerxky/algorithm against master#dfd7b8d03fb93d0e03147d28b3be6d93260fa94d for pr-87050
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJLerxky%2Falgorithm" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/JLerxky/algorithm on toolchain dfd7b8d03fb93d0e03147d28b3be6d93260fa94d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/JLerxky/algorithm
[INFO] finished tweaking git repo https://github.com/JLerxky/algorithm
[INFO] tweaked toml for git repo https://github.com/JLerxky/algorithm written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/JLerxky/algorithm already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9f8aa4d12774477562321eaa6748a203f4ed61501c0adf7d68a3c28200e88faf
[INFO] running `Command { std: "docker" "start" "-a" "9f8aa4d12774477562321eaa6748a203f4ed61501c0adf7d68a3c28200e88faf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9f8aa4d12774477562321eaa6748a203f4ed61501c0adf7d68a3c28200e88faf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f8aa4d12774477562321eaa6748a203f4ed61501c0adf7d68a3c28200e88faf", kill_on_drop: false }`
[INFO] [stdout] 9f8aa4d12774477562321eaa6748a203f4ed61501c0adf7d68a3c28200e88faf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 890facae48fc451eb5b584b750d74f67196318c52d6235dc1a6a069115dac817
[INFO] running `Command { std: "docker" "start" "-a" "890facae48fc451eb5b584b750d74f67196318c52d6235dc1a6a069115dac817", kill_on_drop: false }`
[INFO] [stderr]     Checking search v0.1.0 (/opt/rustwide/workdir/search)
[INFO] [stderr]     Checking hw v0.1.0 (/opt/rustwide/workdir/hw)
[INFO] [stderr]     Checking sorting v0.1.0 (/opt/rustwide/workdir/sorting)
[INFO] [stderr]     Checking structure v0.1.0 (/opt/rustwide/workdir/structure)
[INFO] [stdout] warning: unused import: `std::net`
[INFO] [stdout]  --> hw/src/lib.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::net;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::net`
[INFO] [stdout]  --> hw/src/lib.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::net;
[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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.49s
[INFO] running `Command { std: "docker" "inspect" "890facae48fc451eb5b584b750d74f67196318c52d6235dc1a6a069115dac817", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "890facae48fc451eb5b584b750d74f67196318c52d6235dc1a6a069115dac817", kill_on_drop: false }`
[INFO] [stdout] 890facae48fc451eb5b584b750d74f67196318c52d6235dc1a6a069115dac817