[INFO] cloning repository https://github.com/passchaos/algorithm
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/passchaos/algorithm" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpasschaos%2Falgorithm", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpasschaos%2Falgorithm'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bbbf92c205a2b7c6277229e4e4d8870df9689eb9
[INFO] checking passchaos/algorithm against master#339e19697a39a78f4d669c217b7d21109215de41 for pr-81213
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpasschaos%2Falgorithm" "/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/passchaos/algorithm on toolchain 339e19697a39a78f4d669c217b7d21109215de41
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+339e19697a39a78f4d669c217b7d21109215de41" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/passchaos/algorithm
[INFO] finished tweaking git repo https://github.com/passchaos/algorithm
[INFO] tweaked toml for git repo https://github.com/passchaos/algorithm written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/passchaos/algorithm already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+339e19697a39a78f4d669c217b7d21109215de41" "fetch" "--locked" "--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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+339e19697a39a78f4d669c217b7d21109215de41" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 5fb6c9a1ecd330db3c06a415124f8a808c4b31b775f6bd8cef5afc462f0dd005
[INFO] running `Command { std: "docker" "start" "-a" "5fb6c9a1ecd330db3c06a415124f8a808c4b31b775f6bd8cef5afc462f0dd005", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5fb6c9a1ecd330db3c06a415124f8a808c4b31b775f6bd8cef5afc462f0dd005", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5fb6c9a1ecd330db3c06a415124f8a808c4b31b775f6bd8cef5afc462f0dd005", kill_on_drop: false }`
[INFO] [stdout] 5fb6c9a1ecd330db3c06a415124f8a808c4b31b775f6bd8cef5afc462f0dd005
[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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+339e19697a39a78f4d669c217b7d21109215de41" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 933bba0b935b40e489f7eb580d83d7f17d02a2e0b84b00b007376ab4742891eb
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "933bba0b935b40e489f7eb580d83d7f17d02a2e0b84b00b007376ab4742891eb", kill_on_drop: false }`
[INFO] [stderr]     Checking algorithm v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `get_max_sub_sum_v1`
[INFO] [stdout]  --> src/exer/sub_sum.rs:5:4
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn get_max_sub_sum_v1<T: cmp::Ord + fmt::Debug + Copy>(vector: &Vec<T>) -> T {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_max_sub_sum_v1`
[INFO] [stdout]  --> src/exer/sub_sum.rs:5:4
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn get_max_sub_sum_v1<T: cmp::Ord + fmt::Debug + Copy>(vector: &Vec<T>) -> T {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` 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 0.64s
[INFO] running `Command { std: "docker" "inspect" "933bba0b935b40e489f7eb580d83d7f17d02a2e0b84b00b007376ab4742891eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "933bba0b935b40e489f7eb580d83d7f17d02a2e0b84b00b007376ab4742891eb", kill_on_drop: false }`
[INFO] [stdout] 933bba0b935b40e489f7eb580d83d7f17d02a2e0b84b00b007376ab4742891eb