[INFO] cloning repository https://github.com/Monseigneur/AdventOfCode2023
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Monseigneur/AdventOfCode2023" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMonseigneur%2FAdventOfCode2023", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMonseigneur%2FAdventOfCode2023'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 97a476cbb9c9c0663277fdd08bbd699f4762f8b8
[INFO] checking Monseigneur/AdventOfCode2023 against master#b3bd7058c139e71bae0862ef8f8ac936208873e9 for pr-123752
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMonseigneur%2FAdventOfCode2023" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Monseigneur/AdventOfCode2023 on toolchain b3bd7058c139e71bae0862ef8f8ac936208873e9
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b3bd7058c139e71bae0862ef8f8ac936208873e9" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Monseigneur/AdventOfCode2023
[INFO] finished tweaking git repo https://github.com/Monseigneur/AdventOfCode2023
[INFO] tweaked toml for git repo https://github.com/Monseigneur/AdventOfCode2023 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Monseigneur/AdventOfCode2023 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" "+b3bd7058c139e71bae0862ef8f8ac936208873e9" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[ERROR] this task or one of its parent failed!
[ERROR] no output for 300 seconds
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.
[INFO] checking Monseigneur/AdventOfCode2023 against try#57fe1b734d9ff1c8a92bda60b85506b9648158d3 for pr-123752
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMonseigneur%2FAdventOfCode2023" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Monseigneur/AdventOfCode2023 on toolchain 57fe1b734d9ff1c8a92bda60b85506b9648158d3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+57fe1b734d9ff1c8a92bda60b85506b9648158d3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Monseigneur/AdventOfCode2023
[INFO] finished tweaking git repo https://github.com/Monseigneur/AdventOfCode2023
[INFO] tweaked toml for git repo https://github.com/Monseigneur/AdventOfCode2023 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/Monseigneur/AdventOfCode2023 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" "+57fe1b734d9ff1c8a92bda60b85506b9648158d3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+57fe1b734d9ff1c8a92bda60b85506b9648158d3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5bb3db3f7895640d89285bc539f75077ff19296d4e208ae06decf773106682c6
[INFO] running `Command { std: "docker" "start" "-a" "5bb3db3f7895640d89285bc539f75077ff19296d4e208ae06decf773106682c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5bb3db3f7895640d89285bc539f75077ff19296d4e208ae06decf773106682c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5bb3db3f7895640d89285bc539f75077ff19296d4e208ae06decf773106682c6", kill_on_drop: false }`
[INFO] [stdout] 5bb3db3f7895640d89285bc539f75077ff19296d4e208ae06decf773106682c6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+57fe1b734d9ff1c8a92bda60b85506b9648158d3" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3c7297c3adb3a53642295642efc57cd82275d3957afc562f37d0febbdf18932b
[INFO] running `Command { std: "docker" "start" "-a" "3c7297c3adb3a53642295642efc57cd82275d3957afc562f37d0febbdf18932b", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling num-bigint v0.4.4
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]    Compiling num-iter v0.1.43
[INFO] [stderr]     Checking utilities v0.1.0 (/opt/rustwide/workdir/utilities)
[INFO] [stderr]     Checking num-complex v0.4.4
[INFO] [stderr]     Checking num v0.4.1
[INFO] [stderr]     Checking advent_of_code_2023 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `utilities` is imported redundantly
[INFO] [stdout]  --> src/day1.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use utilities;
[INFO] [stdout]   |     ^^^^^^^^^ the item `utilities` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `utilities` is imported redundantly
[INFO] [stdout]  --> src/day10.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use utilities;
[INFO] [stdout]   |     ^^^^^^^^^ the item `utilities` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `utilities` is imported redundantly
[INFO] [stdout]  --> src/day11.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use utilities;
[INFO] [stdout]   |     ^^^^^^^^^ the item `utilities` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `utilities` is imported redundantly
[INFO] [stdout]  --> src/day12.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use utilities;
[INFO] [stdout]   |     ^^^^^^^^^ the item `utilities` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `utilities` is imported redundantly
[INFO] [stdout]  --> src/day13.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use utilities;
[INFO] [stdout]   |     ^^^^^^^^^ the item `utilities` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `utilities` is imported redundantly
[INFO] [stdout]  --> src/day14.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use utilities;
[INFO] [stdout]   |     ^^^^^^^^^ the item `utilities` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `utilities` is imported redundantly
[INFO] [stdout]  --> src/day15.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use utilities;
[INFO] [stdout]   |     ^^^^^^^^^ the item `utilities` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `utilities` is imported redundantly
[INFO] [stdout]  --> src/day16.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use utilities;
[INFO] [stdout]   |     ^^^^^^^^^ the item `utilities` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `utilities` is imported redundantly
[INFO] [stdout]  --> src/day17.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use utilities;
[INFO] [stdout]   |     ^^^^^^^^^ the item `utilities` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `utilities` is imported redundantly
[INFO] [stdout]  --> src/day18.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use utilities;
[INFO] [stdout]   |     ^^^^^^^^^ the item `utilities` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `utilities` is imported redundantly
[INFO] [stdout]  --> src/day19.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use utilities;
[INFO] [stdout]   |     ^^^^^^^^^ the item `utilities` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `utilities` is imported redundantly
[INFO] [stdout]  --> src/day1.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use utilities;
[INFO] [stdout]   |     ^^^^^^^^^ the item `utilities` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `utilities` is imported redundantly
[INFO] [stdout]  --> src/day10.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use utilities;
[INFO] [stdout]   |     ^^^^^^^^^ the item `utilities` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `utilities` is imported redundantly
[INFO] [stdout]  --> src/day11.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use utilities;
[INFO] [stdout]   |     ^^^^^^^^^ the item `utilities` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `utilities` is imported redundantly
[INFO] [stdout]  --> src/day12.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use utilities;
[INFO] [stdout]   |     ^^^^^^^^^ the item `utilities` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `utilities` is imported redundantly
[INFO] [stdout]  --> src/day13.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use utilities;
[INFO] [stdout]   |     ^^^^^^^^^ the item `utilities` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `utilities` is imported redundantly
[INFO] [stdout]  --> src/day14.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use utilities;
[INFO] [stdout]   |     ^^^^^^^^^ the item `utilities` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `utilities` is imported redundantly
[INFO] [stdout]  --> src/day15.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use utilities;
[INFO] [stdout]   |     ^^^^^^^^^ the item `utilities` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `utilities` is imported redundantly
[INFO] [stdout]  --> src/day16.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use utilities;
[INFO] [stdout]   |     ^^^^^^^^^ the item `utilities` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `utilities` is imported redundantly
[INFO] [stdout]  --> src/day17.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use utilities;
[INFO] [stdout]   |     ^^^^^^^^^ the item `utilities` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `utilities` is imported redundantly
[INFO] [stdout]  --> src/day18.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use utilities;
[INFO] [stdout]   |     ^^^^^^^^^ the item `utilities` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `utilities` is imported redundantly
[INFO] [stdout]  --> src/day19.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use utilities;
[INFO] [stdout]   |     ^^^^^^^^^ the item `utilities` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `utilities` is imported redundantly
[INFO] [stdout]  --> src/day20.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use utilities;
[INFO] [stdout]   |     ^^^^^^^^^ the item `utilities` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `utilities` is imported redundantly
[INFO] [stdout]  --> src/day21.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use utilities;
[INFO] [stdout]   |     ^^^^^^^^^ the item `utilities` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `utilities` is imported redundantly
[INFO] [stdout]  --> src/day22.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use utilities;
[INFO] [stdout]   |     ^^^^^^^^^ the item `utilities` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `utilities` is imported redundantly
[INFO] [stdout]  --> src/day23.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use utilities;
[INFO] [stdout]   |     ^^^^^^^^^ the item `utilities` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `utilities` is imported redundantly
[INFO] [stdout]  --> src/day20.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use utilities;
[INFO] [stdout]   |     ^^^^^^^^^ the item `utilities` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `utilities` is imported redundantly
[INFO] [stdout]  --> src/day21.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use utilities;
[INFO] [stdout]   |     ^^^^^^^^^ the item `utilities` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `utilities` is imported redundantly
[INFO] [stdout]  --> src/day22.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use utilities;
[INFO] [stdout]   |     ^^^^^^^^^ the item `utilities` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `utilities` is imported redundantly
[INFO] [stdout]  --> src/day23.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use utilities;
[INFO] [stdout]   |     ^^^^^^^^^ the item `utilities` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `utilities` is imported redundantly
[INFO] [stdout]  --> src/day24.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use utilities;
[INFO] [stdout]   |     ^^^^^^^^^ the item `utilities` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `utilities` is imported redundantly
[INFO] [stdout]  --> src/day3.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use utilities;
[INFO] [stdout]   |     ^^^^^^^^^ the item `utilities` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `utilities` is imported redundantly
[INFO] [stdout]  --> src/day4.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use utilities;
[INFO] [stdout]   |     ^^^^^^^^^ the item `utilities` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `utilities` is imported redundantly
[INFO] [stdout]  --> src/day5.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use utilities;
[INFO] [stdout]   |     ^^^^^^^^^ the item `utilities` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `utilities` is imported redundantly
[INFO] [stdout]  --> src/day6.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use utilities;
[INFO] [stdout]   |     ^^^^^^^^^ the item `utilities` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `utilities` is imported redundantly
[INFO] [stdout]  --> src/day7.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use utilities;
[INFO] [stdout]   |     ^^^^^^^^^ the item `utilities` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `utilities` is imported redundantly
[INFO] [stdout]  --> src/day8.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use utilities;
[INFO] [stdout]   |     ^^^^^^^^^ the item `utilities` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `utilities` is imported redundantly
[INFO] [stdout]  --> src/day9.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use utilities;
[INFO] [stdout]   |     ^^^^^^^^^ the item `utilities` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `utilities` is imported redundantly
[INFO] [stdout]  --> src/day24.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use utilities;
[INFO] [stdout]   |     ^^^^^^^^^ the item `utilities` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `utilities` is imported redundantly
[INFO] [stdout]  --> src/day3.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use utilities;
[INFO] [stdout]   |     ^^^^^^^^^ the item `utilities` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `utilities` is imported redundantly
[INFO] [stdout]  --> src/day4.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use utilities;
[INFO] [stdout]   |     ^^^^^^^^^ the item `utilities` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `utilities` is imported redundantly
[INFO] [stdout]  --> src/day5.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use utilities;
[INFO] [stdout]   |     ^^^^^^^^^ the item `utilities` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `utilities` is imported redundantly
[INFO] [stdout]  --> src/day6.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use utilities;
[INFO] [stdout]   |     ^^^^^^^^^ the item `utilities` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `utilities` is imported redundantly
[INFO] [stdout]  --> src/day7.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use utilities;
[INFO] [stdout]   |     ^^^^^^^^^ the item `utilities` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `utilities` is imported redundantly
[INFO] [stdout]  --> src/day8.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use utilities;
[INFO] [stdout]   |     ^^^^^^^^^ the item `utilities` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `utilities` is imported redundantly
[INFO] [stdout]  --> src/day9.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use utilities;
[INFO] [stdout]   |     ^^^^^^^^^ the item `utilities` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 23 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 23 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.27s
[INFO] running `Command { std: "docker" "inspect" "3c7297c3adb3a53642295642efc57cd82275d3957afc562f37d0febbdf18932b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c7297c3adb3a53642295642efc57cd82275d3957afc562f37d0febbdf18932b", kill_on_drop: false }`
[INFO] [stdout] 3c7297c3adb3a53642295642efc57cd82275d3957afc562f37d0febbdf18932b