[INFO] cloning repository https://github.com/hardliner66/aoc_2015
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hardliner66/aoc_2015" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhardliner66%2Faoc_2015", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhardliner66%2Faoc_2015'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 29cebef4a03e45d548918ad8e6b42a4017613b4c
[INFO] checking hardliner66/aoc_2015 against try#3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f for pr-87248
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhardliner66%2Faoc_2015" "/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/hardliner66/aoc_2015 on toolchain 3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/hardliner66/aoc_2015
[INFO] finished tweaking git repo https://github.com/hardliner66/aoc_2015
[INFO] tweaked toml for git repo https://github.com/hardliner66/aoc_2015 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/hardliner66/aoc_2015 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded hex v0.4.2
[INFO] [stderr]   Downloaded md5 v0.7.0
[INFO] [stderr]   Downloaded serde v1.0.117
[INFO] [stderr]   Downloaded char_combinator v1.0.0
[INFO] [stderr]   Downloaded serde_json v1.0.59
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7c8c18194c8fbcc7c9ba67570ab6232505bd3fbc5731e2bd27379a69509fce8a
[INFO] running `Command { std: "docker" "start" "-a" "7c8c18194c8fbcc7c9ba67570ab6232505bd3fbc5731e2bd27379a69509fce8a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7c8c18194c8fbcc7c9ba67570ab6232505bd3fbc5731e2bd27379a69509fce8a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c8c18194c8fbcc7c9ba67570ab6232505bd3fbc5731e2bd27379a69509fce8a", kill_on_drop: false }`
[INFO] [stdout] 7c8c18194c8fbcc7c9ba67570ab6232505bd3fbc5731e2bd27379a69509fce8a
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3b05d6695ee9e160f83157d4ec50607c0edd1ea1457e9e27bfd275e781c0193f
[INFO] running `Command { std: "docker" "start" "-a" "3b05d6695ee9e160f83157d4ec50607c0edd1ea1457e9e27bfd275e781c0193f", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]    Compiling serde_json v1.0.59
[INFO] [stderr]     Checking char_combinator v1.0.0
[INFO] [stderr]     Checking aoc_2015 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `content`
[INFO] [stdout]  --> src/bin/aoc_20_1.rs:2:6
[INFO] [stdout]   |
[INFO] [stdout] 2 |     let content = std::fs::read_to_string("data/aoc_20.txt")?;
[INFO] [stdout]   |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_content`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `content`
[INFO] [stdout]  --> src/bin/aoc_22_1.rs:2:6
[INFO] [stdout]   |
[INFO] [stdout] 2 |     let content = std::fs::read_to_string("data/aoc_22.txt")?;
[INFO] [stdout]   |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_content`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `content`
[INFO] [stdout]  --> src/bin/aoc_17_2.rs:2:6
[INFO] [stdout]   |
[INFO] [stdout] 2 |     let content = std::fs::read_to_string("data/aoc_17.txt")?;
[INFO] [stdout]   |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_content`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `content`
[INFO] [stdout]  --> src/bin/aoc_21_2.rs:2:6
[INFO] [stdout]   |
[INFO] [stdout] 2 |     let content = std::fs::read_to_string("data/aoc_21.txt")?;
[INFO] [stdout]   |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_content`
[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: 1 warning emitted
[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] [stdout] warning: unused variable: `content`
[INFO] [stdout]  --> src/bin/aoc_21_1.rs:2:6
[INFO] [stdout]   |
[INFO] [stdout] 2 |     let content = std::fs::read_to_string("data/aoc_21.txt")?;
[INFO] [stdout]   |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_content`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `content`
[INFO] [stdout]  --> src/bin/aoc_13_2.rs:2:6
[INFO] [stdout]   |
[INFO] [stdout] 2 |     let content = std::fs::read_to_string("data/aoc_13.txt")?;
[INFO] [stdout]   |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_content`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `content`
[INFO] [stdout]  --> src/bin/aoc_23_1.rs:2:6
[INFO] [stdout]   |
[INFO] [stdout] 2 |     let content = std::fs::read_to_string("data/aoc_23.txt")?;
[INFO] [stdout]   |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_content`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `content`
[INFO] [stdout]  --> src/bin/aoc_20_2.rs:2:6
[INFO] [stdout]   |
[INFO] [stdout] 2 |     let content = std::fs::read_to_string("data/aoc_20.txt")?;
[INFO] [stdout]   |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_content`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `content`
[INFO] [stdout]  --> src/bin/aoc_19_1.rs:2:6
[INFO] [stdout]   |
[INFO] [stdout] 2 |     let content = std::fs::read_to_string("data/aoc_19.txt")?;
[INFO] [stdout]   |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_content`
[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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `content`
[INFO] [stdout]  --> src/bin/aoc_23_2.rs:2:6
[INFO] [stdout]   |
[INFO] [stdout] 2 |     let content = std::fs::read_to_string("data/aoc_23.txt")?;
[INFO] [stdout]   |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_content`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `content`
[INFO] [stdout]  --> src/bin/aoc_13_2.rs:2:6
[INFO] [stdout]   |
[INFO] [stdout] 2 |     let content = std::fs::read_to_string("data/aoc_13.txt")?;
[INFO] [stdout]   |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_content`
[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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `content`
[INFO] [stdout]  --> src/bin/aoc_25_1.rs:2:6
[INFO] [stdout]   |
[INFO] [stdout] 2 |     let content = std::fs::read_to_string("data/aoc_25.txt")?;
[INFO] [stdout]   |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_content`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `content`
[INFO] [stdout]  --> src/bin/aoc_17_2.rs:2:6
[INFO] [stdout]   |
[INFO] [stdout] 2 |     let content = std::fs::read_to_string("data/aoc_17.txt")?;
[INFO] [stdout]   |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_content`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `content`
[INFO] [stdout]  --> src/bin/aoc_24_1.rs:2:6
[INFO] [stdout]   |
[INFO] [stdout] 2 |     let content = std::fs::read_to_string("data/aoc_24.txt")?;
[INFO] [stdout]   |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_content`
[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: 1 warning emitted
[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] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `content`
[INFO] [stdout]  --> src/bin/aoc_16_2.rs:2:6
[INFO] [stdout]   |
[INFO] [stdout] 2 |     let content = std::fs::read_to_string("data/aoc_16.txt")?;
[INFO] [stdout]   |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_content`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `content`
[INFO] [stdout]  --> src/bin/aoc_16_1.rs:2:6
[INFO] [stdout]   |
[INFO] [stdout] 2 |     let content = std::fs::read_to_string("data/aoc_16.txt")?;
[INFO] [stdout]   |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_content`
[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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `content`
[INFO] [stdout]  --> src/bin/aoc_09_2.rs:2:6
[INFO] [stdout]   |
[INFO] [stdout] 2 |     let content = std::fs::read_to_string("data/aoc_09.txt")?;
[INFO] [stdout]   |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_content`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `content`
[INFO] [stdout]  --> src/bin/aoc_13_1.rs:2:6
[INFO] [stdout]   |
[INFO] [stdout] 2 |     let content = std::fs::read_to_string("data/aoc_13.txt")?;
[INFO] [stdout]   |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_content`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `content`
[INFO] [stdout]  --> src/bin/aoc_18_2.rs:2:6
[INFO] [stdout]   |
[INFO] [stdout] 2 |     let content = std::fs::read_to_string("data/aoc_18.txt")?;
[INFO] [stdout]   |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_content`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `content`
[INFO] [stdout]  --> src/bin/aoc_18_1.rs:2:6
[INFO] [stdout]   |
[INFO] [stdout] 2 |     let content = std::fs::read_to_string("data/aoc_18.txt")?;
[INFO] [stdout]   |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_content`
[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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `content`
[INFO] [stdout]  --> src/bin/aoc_22_2.rs:2:6
[INFO] [stdout]   |
[INFO] [stdout] 2 |     let content = std::fs::read_to_string("data/aoc_22.txt")?;
[INFO] [stdout]   |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_content`
[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: `content`
[INFO] [stdout]  --> src/bin/aoc_21_2.rs:2:6
[INFO] [stdout]   |
[INFO] [stdout] 2 |     let content = std::fs::read_to_string("data/aoc_21.txt")?;
[INFO] [stdout]   |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_content`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `content`
[INFO] [stdout]  --> src/bin/aoc_20_1.rs:2:6
[INFO] [stdout]   |
[INFO] [stdout] 2 |     let content = std::fs::read_to_string("data/aoc_20.txt")?;
[INFO] [stdout]   |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_content`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `content`
[INFO] [stdout]  --> src/bin/aoc_22_2.rs:2:6
[INFO] [stdout]   |
[INFO] [stdout] 2 |     let content = std::fs::read_to_string("data/aoc_22.txt")?;
[INFO] [stdout]   |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_content`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `content`
[INFO] [stdout]  --> src/bin/aoc_16_1.rs:2:6
[INFO] [stdout]   |
[INFO] [stdout] 2 |     let content = std::fs::read_to_string("data/aoc_16.txt")?;
[INFO] [stdout]   |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_content`
[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: `content`
[INFO] [stdout]  --> src/bin/aoc_20_2.rs:2:6
[INFO] [stdout]   |
[INFO] [stdout] 2 |     let content = std::fs::read_to_string("data/aoc_20.txt")?;
[INFO] [stdout]   |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_content`
[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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `content`
[INFO] [stdout]  --> src/bin/aoc_25_2.rs:2:6
[INFO] [stdout]   |
[INFO] [stdout] 2 |     let content = std::fs::read_to_string("data/aoc_25.txt")?;
[INFO] [stdout]   |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_content`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `content`
[INFO] [stdout]  --> src/bin/aoc_18_1.rs:2:6
[INFO] [stdout]   |
[INFO] [stdout] 2 |     let content = std::fs::read_to_string("data/aoc_18.txt")?;
[INFO] [stdout]   |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_content`
[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: `content`
[INFO] [stdout]  --> src/bin/aoc_19_2.rs:2:6
[INFO] [stdout]   |
[INFO] [stdout] 2 |     let content = std::fs::read_to_string("data/aoc_19.txt")?;
[INFO] [stdout]   |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_content`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `content`
[INFO] [stdout]  --> src/bin/aoc_17_1.rs:2:6
[INFO] [stdout]   |
[INFO] [stdout] 2 |     let content = std::fs::read_to_string("data/aoc_17.txt")?;
[INFO] [stdout]   |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_content`
[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: `content`
[INFO] [stdout]  --> src/bin/aoc_19_2.rs:2:6
[INFO] [stdout]   |
[INFO] [stdout] 2 |     let content = std::fs::read_to_string("data/aoc_19.txt")?;
[INFO] [stdout]   |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_content`
[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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `content`
[INFO] [stdout]  --> src/bin/aoc_22_1.rs:2:6
[INFO] [stdout]   |
[INFO] [stdout] 2 |     let content = std::fs::read_to_string("data/aoc_22.txt")?;
[INFO] [stdout]   |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_content`
[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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `content`
[INFO] [stdout]  --> src/bin/aoc_17_1.rs:2:6
[INFO] [stdout]   |
[INFO] [stdout] 2 |     let content = std::fs::read_to_string("data/aoc_17.txt")?;
[INFO] [stdout]   |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_content`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `content`
[INFO] [stdout]  --> src/bin/aoc_21_1.rs:2:6
[INFO] [stdout]   |
[INFO] [stdout] 2 |     let content = std::fs::read_to_string("data/aoc_21.txt")?;
[INFO] [stdout]   |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_content`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `content`
[INFO] [stdout]  --> src/bin/aoc_23_1.rs:2:6
[INFO] [stdout]   |
[INFO] [stdout] 2 |     let content = std::fs::read_to_string("data/aoc_23.txt")?;
[INFO] [stdout]   |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_content`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `content`
[INFO] [stdout]  --> src/bin/aoc_25_1.rs:2:6
[INFO] [stdout]   |
[INFO] [stdout] 2 |     let content = std::fs::read_to_string("data/aoc_25.txt")?;
[INFO] [stdout]   |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_content`
[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: `content`
[INFO] [stdout]  --> src/bin/aoc_13_1.rs:2:6
[INFO] [stdout]   |
[INFO] [stdout] 2 |     let content = std::fs::read_to_string("data/aoc_13.txt")?;
[INFO] [stdout]   |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_content`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `content`
[INFO] [stdout]  --> src/bin/aoc_23_2.rs:2:6
[INFO] [stdout]   |
[INFO] [stdout] 2 |     let content = std::fs::read_to_string("data/aoc_23.txt")?;
[INFO] [stdout]   |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_content`
[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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `content`
[INFO] [stdout]  --> src/bin/aoc_19_1.rs:2:6
[INFO] [stdout]   |
[INFO] [stdout] 2 |     let content = std::fs::read_to_string("data/aoc_19.txt")?;
[INFO] [stdout]   |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_content`
[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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `content`
[INFO] [stdout]  --> src/bin/aoc_25_2.rs:2:6
[INFO] [stdout]   |
[INFO] [stdout] 2 |     let content = std::fs::read_to_string("data/aoc_25.txt")?;
[INFO] [stdout]   |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_content`
[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: `content`
[INFO] [stdout]  --> src/bin/aoc_24_1.rs:2:6
[INFO] [stdout]   |
[INFO] [stdout] 2 |     let content = std::fs::read_to_string("data/aoc_24.txt")?;
[INFO] [stdout]   |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_content`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `content`
[INFO] [stdout]  --> src/bin/aoc_24_2.rs:2:6
[INFO] [stdout]   |
[INFO] [stdout] 2 |     let content = std::fs::read_to_string("data/aoc_24.txt")?;
[INFO] [stdout]   |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_content`
[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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `content`
[INFO] [stdout]  --> src/bin/aoc_16_2.rs:2:6
[INFO] [stdout]   |
[INFO] [stdout] 2 |     let content = std::fs::read_to_string("data/aoc_16.txt")?;
[INFO] [stdout]   |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_content`
[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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `content`
[INFO] [stdout]  --> src/bin/aoc_24_2.rs:2:6
[INFO] [stdout]   |
[INFO] [stdout] 2 |     let content = std::fs::read_to_string("data/aoc_24.txt")?;
[INFO] [stdout]   |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_content`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `content`
[INFO] [stdout]  --> src/bin/aoc_09_2.rs:2:6
[INFO] [stdout]   |
[INFO] [stdout] 2 |     let content = std::fs::read_to_string("data/aoc_09.txt")?;
[INFO] [stdout]   |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_content`
[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: 1 warning emitted
[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] [stdout] warning: unused variable: `content`
[INFO] [stdout]  --> src/bin/aoc_18_2.rs:2:6
[INFO] [stdout]   |
[INFO] [stdout] 2 |     let content = std::fs::read_to_string("data/aoc_18.txt")?;
[INFO] [stdout]   |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_content`
[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 12.21s
[INFO] running `Command { std: "docker" "inspect" "3b05d6695ee9e160f83157d4ec50607c0edd1ea1457e9e27bfd275e781c0193f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b05d6695ee9e160f83157d4ec50607c0edd1ea1457e9e27bfd275e781c0193f", kill_on_drop: false }`
[INFO] [stdout] 3b05d6695ee9e160f83157d4ec50607c0edd1ea1457e9e27bfd275e781c0193f