[INFO] cloning repository https://github.com/moisutsu-playground/algorithm
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/moisutsu-playground/algorithm" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmoisutsu-playground%2Falgorithm", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmoisutsu-playground%2Falgorithm'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 68e502d82142b2ee953bacea92919980a65b6eaf
[INFO] checking moisutsu-playground/algorithm against master#8007b506ac5da629f223b755f5a5391edd5f6d01 for pr-88041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmoisutsu-playground%2Falgorithm" "/workspace/builds/worker-17/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-17/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/moisutsu-playground/algorithm on toolchain 8007b506ac5da629f223b755f5a5391edd5f6d01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/moisutsu-playground/algorithm
[INFO] finished tweaking git repo https://github.com/moisutsu-playground/algorithm
[INFO] tweaked toml for git repo https://github.com/moisutsu-playground/algorithm written to /workspace/builds/worker-17/source/Cargo.toml
[INFO] crate git repo https://github.com/moisutsu-playground/algorithm already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "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-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 85adf3df8f8fbb9269e904d0472dab444b8f49302999d6083269361e8041eae1
[INFO] running `Command { std: "docker" "start" "-a" "85adf3df8f8fbb9269e904d0472dab444b8f49302999d6083269361e8041eae1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "85adf3df8f8fbb9269e904d0472dab444b8f49302999d6083269361e8041eae1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "85adf3df8f8fbb9269e904d0472dab444b8f49302999d6083269361e8041eae1", kill_on_drop: false }`
[INFO] [stdout] 85adf3df8f8fbb9269e904d0472dab444b8f49302999d6083269361e8041eae1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6f98c0b00ec8ffb51fd432faf83ec8181b80fb983eb12a28e13ac1dbf01a3993
[INFO] running `Command { std: "docker" "start" "-a" "6f98c0b00ec8ffb51fd432faf83ec8181b80fb983eb12a28e13ac1dbf01a3993", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.14
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.23
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking itertools v0.8.2
[INFO] [stderr]    Compiling quote v1.0.6
[INFO] [stderr]    Compiling proconio-derive v0.2.1
[INFO] [stderr]     Checking proconio v0.4.1
[INFO] [stderr]     Checking algorithm v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `w`
[INFO] [stdout]  --> src/bin/kukandp.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 8 |         w: [usize; n],
[INFO] [stdout]   |         ^ help: if this is intentional, prefix it with an underscore: `_w`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `w`
[INFO] [stdout]  --> src/bin/kukandp.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 8 |         w: [usize; n],
[INFO] [stdout]   |         ^ help: if this is intentional, prefix it with an underscore: `_w`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` 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 21.07s
[INFO] running `Command { std: "docker" "inspect" "6f98c0b00ec8ffb51fd432faf83ec8181b80fb983eb12a28e13ac1dbf01a3993", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f98c0b00ec8ffb51fd432faf83ec8181b80fb983eb12a28e13ac1dbf01a3993", kill_on_drop: false }`
[INFO] [stdout] 6f98c0b00ec8ffb51fd432faf83ec8181b80fb983eb12a28e13ac1dbf01a3993