[INFO] cloning repository https://github.com/theiknowx/algorithms
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/theiknowx/algorithms" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftheiknowx%2Falgorithms", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftheiknowx%2Falgorithms'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 09c9201ca0f4578d99c8061dd82ce7f9af3a43d4
[INFO] checking theiknowx/algorithms against master#ca77504943887037504c7fc0b9bf06dab3910373 for pr-145181
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftheiknowx%2Falgorithms" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/theiknowx/algorithms
[INFO] finished tweaking git repo https://github.com/theiknowx/algorithms
[INFO] tweaked toml for git repo https://github.com/theiknowx/algorithms written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/theiknowx/algorithms on toolchain ca77504943887037504c7fc0b9bf06dab3910373
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ca77504943887037504c7fc0b9bf06dab3910373" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/theiknowx/algorithms 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" "+ca77504943887037504c7fc0b9bf06dab3910373" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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:ae6f63d130afcfff7f91f5ba9fdb2a74d52830289c6a2ea2d23a94dcfb480a0d" "/opt/rustwide/cargo-home/bin/cargo" "+ca77504943887037504c7fc0b9bf06dab3910373" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2a9b31341360bd206ff1e734a284810d0d5ec2654e54a7fb416d64c4ee8b2f8f
[INFO] running `Command { std: "docker" "start" "-a" "2a9b31341360bd206ff1e734a284810d0d5ec2654e54a7fb416d64c4ee8b2f8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2a9b31341360bd206ff1e734a284810d0d5ec2654e54a7fb416d64c4ee8b2f8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a9b31341360bd206ff1e734a284810d0d5ec2654e54a7fb416d64c4ee8b2f8f", kill_on_drop: false }`
[INFO] [stdout] 2a9b31341360bd206ff1e734a284810d0d5ec2654e54a7fb416d64c4ee8b2f8f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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:ae6f63d130afcfff7f91f5ba9fdb2a74d52830289c6a2ea2d23a94dcfb480a0d" "/opt/rustwide/cargo-home/bin/cargo" "+ca77504943887037504c7fc0b9bf06dab3910373" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c43782f802c3f1293bca63063288e18d209f3c26cbbfea3a3d301d769978e693
[INFO] running `Command { std: "docker" "start" "-a" "c43782f802c3f1293bca63063288e18d209f3c26cbbfea3a3d301d769978e693", kill_on_drop: false }`
[INFO] [stderr]     Checking rust-algorithms v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `gcd` is never used
[INFO] [stdout]  --> src/gcd.rs:2:8
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub fn gcd(mut a: i32, mut b: i32) -> i32 {
[INFO] [stdout]   |        ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `gcd` is never used
[INFO] [stdout]  --> src/gcd.rs:2:8
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub fn gcd(mut a: i32, mut b: i32) -> i32 {
[INFO] [stdout]   |        ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.29s
[INFO] running `Command { std: "docker" "inspect" "c43782f802c3f1293bca63063288e18d209f3c26cbbfea3a3d301d769978e693", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c43782f802c3f1293bca63063288e18d209f3c26cbbfea3a3d301d769978e693", kill_on_drop: false }`
[INFO] [stdout] c43782f802c3f1293bca63063288e18d209f3c26cbbfea3a3d301d769978e693