[INFO] cloning repository https://github.com/jbweber/aoc-2021
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jbweber/aoc-2021" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjbweber%2Faoc-2021", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjbweber%2Faoc-2021'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e176f514b673e04c2cd8c2a47324c2e10c04328e
[INFO] testing jbweber/aoc-2021 against beta-2022-04-10 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjbweber%2Faoc-2021" "/workspace/builds/worker-29/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-29/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jbweber/aoc-2021 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jbweber/aoc-2021
[INFO] finished tweaking git repo https://github.com/jbweber/aoc-2021
[INFO] tweaked toml for git repo https://github.com/jbweber/aoc-2021 written to /workspace/builds/worker-29/source/Cargo.toml
[INFO] crate git repo https://github.com/jbweber/aoc-2021 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "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-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d0b5b9322786bc46730c593541354686f30373498f5489cf863a93c56e8eca1f
[INFO] running `Command { std: "docker" "start" "-a" "d0b5b9322786bc46730c593541354686f30373498f5489cf863a93c56e8eca1f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d0b5b9322786bc46730c593541354686f30373498f5489cf863a93c56e8eca1f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d0b5b9322786bc46730c593541354686f30373498f5489cf863a93c56e8eca1f", kill_on_drop: false }`
[INFO] [stdout] d0b5b9322786bc46730c593541354686f30373498f5489cf863a93c56e8eca1f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 88b844f2f269942cb110ff5f6541a16cfd9c3ecb5eadb8b08488e28a0c58b1e1
[INFO] running `Command { std: "docker" "start" "-a" "88b844f2f269942cb110ff5f6541a16cfd9c3ecb5eadb8b08488e28a0c58b1e1", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling atoi v0.4.0
[INFO] [stderr]    Compiling aoc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::iter::Zip`
[INFO] [stdout]  --> src/bin/day-3-2/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::iter::Zip;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::slice::Iter`
[INFO] [stdout]  --> src/bin/day-3-2/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::slice::Iter;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs::File`
[INFO] [stdout]  --> src/bin/day-4-1/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::fs::File;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::Read`
[INFO] [stdout]  --> src/bin/day-4-1/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::io::Read;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]  --> src/bin/day-4-1/main.rs:3:15
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::io::{self, BufRead};
[INFO] [stdout]   |               ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::path::Path`
[INFO] [stdout]  --> src/bin/day-4-1/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::path::Path;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs::File`
[INFO] [stdout]  --> src/bin/day-4-2/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::fs::File;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BufRead`
[INFO] [stdout]  --> src/bin/day-4-1/main.rs:3:21
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::io::{self, BufRead};
[INFO] [stdout]   |                     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::Read`
[INFO] [stdout]  --> src/bin/day-4-2/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::io::Read;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]  --> src/bin/day-4-2/main.rs:3:15
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::io::{self, BufRead};
[INFO] [stdout]   |               ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::path::Path`
[INFO] [stdout]  --> src/bin/day-4-2/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::path::Path;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BufRead`
[INFO] [stdout]  --> src/bin/day-4-2/main.rs:3:21
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::io::{self, BufRead};
[INFO] [stdout]   |                     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `find_winner`
[INFO] [stdout]    --> src/bin/day-4-2/main.rs:172:4
[INFO] [stdout]     |
[INFO] [stdout] 172 | fn find_winner(boards: &Vec<BingoBoard>) -> Option<&BingoBoard> {
[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: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 49.11s
[INFO] running `Command { std: "docker" "inspect" "88b844f2f269942cb110ff5f6541a16cfd9c3ecb5eadb8b08488e28a0c58b1e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "88b844f2f269942cb110ff5f6541a16cfd9c3ecb5eadb8b08488e28a0c58b1e1", kill_on_drop: false }`
[INFO] [stdout] 88b844f2f269942cb110ff5f6541a16cfd9c3ecb5eadb8b08488e28a0c58b1e1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 347f5bd32907434c67174df63c5d3d75b96d3370ddf65527a2d7d4943a7daec7
[INFO] running `Command { std: "docker" "start" "-a" "347f5bd32907434c67174df63c5d3d75b96d3370ddf65527a2d7d4943a7daec7", kill_on_drop: false }`
[INFO] [stderr]    Compiling aoc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::fs::File`
[INFO] [stdout]  --> src/bin/day-4-2/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::fs::File;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::Read`
[INFO] [stdout]  --> src/bin/day-4-2/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::io::Read;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]  --> src/bin/day-4-2/main.rs:3:15
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::io::{self, BufRead};
[INFO] [stdout]   |               ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::path::Path`
[INFO] [stdout]  --> src/bin/day-4-2/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::path::Path;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::iter::Zip`
[INFO] [stdout]  --> src/bin/day-3-2/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::iter::Zip;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::slice::Iter`
[INFO] [stdout]  --> src/bin/day-3-2/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::slice::Iter;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BufRead`
[INFO] [stdout]  --> src/bin/day-4-2/main.rs:3:21
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::io::{self, BufRead};
[INFO] [stdout]   |                     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs::File`
[INFO] [stdout]  --> src/bin/day-4-1/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::fs::File;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::Read`
[INFO] [stdout]  --> src/bin/day-4-1/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::io::Read;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `find_winner`
[INFO] [stdout]    --> src/bin/day-4-2/main.rs:172:4
[INFO] [stdout]     |
[INFO] [stdout] 172 | fn find_winner(boards: &Vec<BingoBoard>) -> Option<&BingoBoard> {
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]  --> src/bin/day-4-1/main.rs:3:15
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::io::{self, BufRead};
[INFO] [stdout]   |               ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::path::Path`
[INFO] [stdout]  --> src/bin/day-4-1/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::path::Path;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BufRead`
[INFO] [stdout]  --> src/bin/day-4-1/main.rs:3:21
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::io::{self, BufRead};
[INFO] [stdout]   |                     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.18s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/aoc-dde495ce33ed5148)
[INFO] [stderr]   Executable unittests src/bin/day-1-1/main.rs (/opt/rustwide/target/debug/deps/day_1_1-a1e860d3781b1574)
[INFO] [stderr]   Executable unittests src/bin/day-1-2/main.rs (/opt/rustwide/target/debug/deps/day_1_2-83c4cd21269a3666)
[INFO] [stderr]   Executable unittests src/bin/day-2-1/main.rs (/opt/rustwide/target/debug/deps/day_2_1-831ba23a25790e11)
[INFO] [stderr]   Executable unittests src/bin/day-2-2/main.rs (/opt/rustwide/target/debug/deps/day_2_2-66c1dd39de055852)
[INFO] [stderr]   Executable unittests src/bin/day-3-1/main.rs (/opt/rustwide/target/debug/deps/day_3_1-a3cda3af298772a8)
[INFO] [stderr]   Executable unittests src/bin/day-3-2/main.rs (/opt/rustwide/target/debug/deps/day_3_2-d384d9d901edb4ff)
[INFO] [stderr]   Executable unittests src/bin/day-4-1/main.rs (/opt/rustwide/target/debug/deps/day_4_1-1cb6c64e7dca718f)
[INFO] [stderr]   Executable unittests src/bin/day-4-2/main.rs (/opt/rustwide/target/debug/deps/day_4_2-7ae71b789191e9e3)
[INFO] running `Command { std: "docker" "inspect" "347f5bd32907434c67174df63c5d3d75b96d3370ddf65527a2d7d4943a7daec7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "347f5bd32907434c67174df63c5d3d75b96d3370ddf65527a2d7d4943a7daec7", kill_on_drop: false }`
[INFO] [stdout] 347f5bd32907434c67174df63c5d3d75b96d3370ddf65527a2d7d4943a7daec7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b4eece63920e3c1c30642ebaded9e10692b8269d03c684d00e8e9d61cc8ea965
[INFO] running `Command { std: "docker" "start" "-a" "b4eece63920e3c1c30642ebaded9e10692b8269d03c684d00e8e9d61cc8ea965", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: unused import: `std::fs::File`
[INFO] [stderr]  --> src/bin/day-4-2/main.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::fs::File;
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io::Read`
[INFO] [stderr]  --> src/bin/day-4-2/main.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::io::Read;
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `self`
[INFO] [stderr]  --> src/bin/day-4-2/main.rs:3:15
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::io::{self, BufRead};
[INFO] [stderr]   |               ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::path::Path`
[INFO] [stderr]  --> src/bin/day-4-2/main.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::path::Path;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `BufRead`
[INFO] [stderr]  --> src/bin/day-4-2/main.rs:3:21
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::io::{self, BufRead};
[INFO] [stderr]   |                     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `find_winner`
[INFO] [stderr]    --> src/bin/day-4-2/main.rs:172:4
[INFO] [stderr]     |
[INFO] [stderr] 172 | fn find_winner(boards: &Vec<BingoBoard>) -> Option<&BingoBoard> {
[INFO] [stderr]     |    ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::iter::Zip`
[INFO] [stderr]  --> src/bin/day-3-2/main.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::iter::Zip;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::slice::Iter`
[INFO] [stderr]  --> src/bin/day-3-2/main.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::slice::Iter;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::fs::File`
[INFO] [stderr]  --> src/bin/day-4-1/main.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::fs::File;
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io::Read`
[INFO] [stderr]  --> src/bin/day-4-1/main.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::io::Read;
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `self`
[INFO] [stderr]  --> src/bin/day-4-1/main.rs:3:15
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::io::{self, BufRead};
[INFO] [stderr]   |               ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::path::Path`
[INFO] [stderr]  --> src/bin/day-4-1/main.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::path::Path;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `BufRead`
[INFO] [stderr]  --> src/bin/day-4-1/main.rs:3:21
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::io::{self, BufRead};
[INFO] [stderr]   |                     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `aoc` (bin "day-4-2" test) generated 6 warnings
[INFO] [stderr] warning: `aoc` (bin "day-3-2" test) generated 2 warnings
[INFO] [stderr] warning: `aoc` (bin "day-4-1" test) generated 5 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.14s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/aoc-dde495ce33ed5148)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/day-1-1/main.rs (/opt/rustwide/target/debug/deps/day_1_1-a1e860d3781b1574)
[INFO] [stderr]      Running unittests src/bin/day-1-2/main.rs (/opt/rustwide/target/debug/deps/day_1_2-83c4cd21269a3666)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/day-2-1/main.rs (/opt/rustwide/target/debug/deps/day_2_1-831ba23a25790e11)
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests src/bin/day-2-2/main.rs (/opt/rustwide/target/debug/deps/day_2_2-66c1dd39de055852)
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/day-3-1/main.rs (/opt/rustwide/target/debug/deps/day_3_1-a3cda3af298772a8)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/day-3-2/main.rs (/opt/rustwide/target/debug/deps/day_3_2-d384d9d901edb4ff)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/day-4-1/main.rs (/opt/rustwide/target/debug/deps/day_4_1-1cb6c64e7dca718f)
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/day-4-2/main.rs (/opt/rustwide/target/debug/deps/day_4_2-7ae71b789191e9e3)
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests aoc
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "b4eece63920e3c1c30642ebaded9e10692b8269d03c684d00e8e9d61cc8ea965", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b4eece63920e3c1c30642ebaded9e10692b8269d03c684d00e8e9d61cc8ea965", kill_on_drop: false }`
[INFO] [stdout] b4eece63920e3c1c30642ebaded9e10692b8269d03c684d00e8e9d61cc8ea965