[INFO] cloning repository https://github.com/BrianLee608/adventofcode2017rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/BrianLee608/adventofcode2017rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBrianLee608%2Fadventofcode2017rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBrianLee608%2Fadventofcode2017rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a47b55f3ce8b0112177be640939ce88187b9dbd5
[INFO] checking BrianLee608/adventofcode2017rust against try#6024cfef3a82f9a7688f07054f1650081bad3af5 for pr-74130
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBrianLee608%2Fadventofcode2017rust" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/BrianLee608/adventofcode2017rust on toolchain 6024cfef3a82f9a7688f07054f1650081bad3af5
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6024cfef3a82f9a7688f07054f1650081bad3af5" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/BrianLee608/adventofcode2017rust
[INFO] finished tweaking git repo https://github.com/BrianLee608/adventofcode2017rust
[INFO] tweaked toml for git repo https://github.com/BrianLee608/adventofcode2017rust written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/BrianLee608/adventofcode2017rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6024cfef3a82f9a7688f07054f1650081bad3af5" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+6024cfef3a82f9a7688f07054f1650081bad3af5" "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] cca82d35390701046967b016f1d1c84f982c1e9f80e5bc68e9e0fde5bc6bf46c
[INFO] running `Command { std: "docker" "start" "-a" "cca82d35390701046967b016f1d1c84f982c1e9f80e5bc68e9e0fde5bc6bf46c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cca82d35390701046967b016f1d1c84f982c1e9f80e5bc68e9e0fde5bc6bf46c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cca82d35390701046967b016f1d1c84f982c1e9f80e5bc68e9e0fde5bc6bf46c", kill_on_drop: false }`
[INFO] [stdout] cca82d35390701046967b016f1d1c84f982c1e9f80e5bc68e9e0fde5bc6bf46c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+6024cfef3a82f9a7688f07054f1650081bad3af5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b51727d9d7edf14c2abc5d69a78ac4dc9e998796418b73d121b2c3204d4b5810
[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" "b51727d9d7edf14c2abc5d69a78ac4dc9e998796418b73d121b2c3204d4b5810", kill_on_drop: false }`
[INFO] [stderr]     Checking adventofcode2017 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/day2.rs:50:1
[INFO] [stdout]    |
[INFO] [stdout] 50 | ;
[INFO] [stdout]    | ^ help: remove this semicolon
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/day2.rs:50:1
[INFO] [stdout]    |
[INFO] [stdout] 50 | ;
[INFO] [stdout]    | ^ help: remove this semicolon
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `min_max_diff`
[INFO] [stdout]  --> src/day2.rs:4:4
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn min_max_diff(line: &str) -> u32 {
[INFO] [stdout]   |    ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `min_max_diff`
[INFO] [stdout]  --> src/day2.rs:4:4
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn min_max_diff(line: &str) -> u32 {
[INFO] [stdout]   |    ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.47s
[INFO] running `Command { std: "docker" "inspect" "b51727d9d7edf14c2abc5d69a78ac4dc9e998796418b73d121b2c3204d4b5810", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b51727d9d7edf14c2abc5d69a78ac4dc9e998796418b73d121b2c3204d4b5810", kill_on_drop: false }`
[INFO] [stdout] b51727d9d7edf14c2abc5d69a78ac4dc9e998796418b73d121b2c3204d4b5810