[INFO] cloning repository https://github.com/aegis418/AOC2021
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/aegis418/AOC2021" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faegis418%2FAOC2021", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faegis418%2FAOC2021'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 72f0a75ca3e791b4697ee97378a65fd8692c26a1
[INFO] testing aegis418/AOC2021/72f0a75ca3e791b4697ee97378a65fd8692c26a1 against 1.82.0 for beta-1.83-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faegis418%2FAOC2021" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/aegis418/AOC2021 on toolchain 1.82.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.82.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/aegis418/AOC2021
[INFO] finished tweaking git repo https://github.com/aegis418/AOC2021
[INFO] tweaked toml for git repo https://github.com/aegis418/AOC2021 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/aegis418/AOC2021 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" "+1.82.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+1.82.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f7c1c4f48ea1e4a3bb153387a05d25969f277b2bfe048f0ce6866981a1ff13d6
[INFO] running `Command { std: "docker" "start" "-a" "f7c1c4f48ea1e4a3bb153387a05d25969f277b2bfe048f0ce6866981a1ff13d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f7c1c4f48ea1e4a3bb153387a05d25969f277b2bfe048f0ce6866981a1ff13d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f7c1c4f48ea1e4a3bb153387a05d25969f277b2bfe048f0ce6866981a1ff13d6", kill_on_drop: false }`
[INFO] [stdout] f7c1c4f48ea1e4a3bb153387a05d25969f277b2bfe048f0ce6866981a1ff13d6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "RUSTDOCFLAGS=--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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+1.82.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fa561fe9d12223c8708896f95592dded817ad3b4c38fbce9483ef1e4ef7b1e59
[INFO] running `Command { std: "docker" "start" "-a" "fa561fe9d12223c8708896f95592dded817ad3b4c38fbce9483ef1e4ef7b1e59", kill_on_drop: false }`
[INFO] [stderr]    Compiling AOC2021 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `os_path`
[INFO] [stdout]   --> src/util/util.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 12 |     let os_path = Path::new(&path);
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_os_path`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]   --> src/util/util.rs:15:13
[INFO] [stdout]    |
[INFO] [stdout] 15 |         Err(err) => return None,
[INFO] [stdout]    |             ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `os_path`
[INFO] [stdout]   --> src/util/util.rs:29:9
[INFO] [stdout]    |
[INFO] [stdout] 29 |     let os_path = Path::new(&path);
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_os_path`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]   --> src/util/util.rs:32:13
[INFO] [stdout]    |
[INFO] [stdout] 32 |         Err(err) => return None,
[INFO] [stdout]    |             ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `read_file_nums` is never used
[INFO] [stdout]   --> src/util/util.rs:28:8
[INFO] [stdout]    |
[INFO] [stdout] 28 | pub fn read_file_nums(path: String) -> Option<Vec<i32>> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     io::stdin().read_line(&mut day);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 14 |     let _ = io::stdin().read_line(&mut day);
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.28s
[INFO] running `Command { std: "docker" "inspect" "fa561fe9d12223c8708896f95592dded817ad3b4c38fbce9483ef1e4ef7b1e59", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa561fe9d12223c8708896f95592dded817ad3b4c38fbce9483ef1e4ef7b1e59", kill_on_drop: false }`
[INFO] [stdout] fa561fe9d12223c8708896f95592dded817ad3b4c38fbce9483ef1e4ef7b1e59
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "RUSTDOCFLAGS=--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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+1.82.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1a7fd9cb12ce09cae76597bb1588797bb2328628834ac66f41900bbcd021db95
[INFO] running `Command { std: "docker" "start" "-a" "1a7fd9cb12ce09cae76597bb1588797bb2328628834ac66f41900bbcd021db95", kill_on_drop: false }`
[INFO] [stderr]    Compiling AOC2021 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `os_path`
[INFO] [stdout]   --> src/util/util.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 12 |     let os_path = Path::new(&path);
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_os_path`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]   --> src/util/util.rs:15:13
[INFO] [stdout]    |
[INFO] [stdout] 15 |         Err(err) => return None,
[INFO] [stdout]    |             ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `os_path`
[INFO] [stdout]   --> src/util/util.rs:29:9
[INFO] [stdout]    |
[INFO] [stdout] 29 |     let os_path = Path::new(&path);
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_os_path`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]   --> src/util/util.rs:32:13
[INFO] [stdout]    |
[INFO] [stdout] 32 |         Err(err) => return None,
[INFO] [stdout]    |             ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `read_file_nums` is never used
[INFO] [stdout]   --> src/util/util.rs:28:8
[INFO] [stdout]    |
[INFO] [stdout] 28 | pub fn read_file_nums(path: String) -> Option<Vec<i32>> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     io::stdin().read_line(&mut day);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 14 |     let _ = io::stdin().read_line(&mut day);
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.20s
[INFO] running `Command { std: "docker" "inspect" "1a7fd9cb12ce09cae76597bb1588797bb2328628834ac66f41900bbcd021db95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a7fd9cb12ce09cae76597bb1588797bb2328628834ac66f41900bbcd021db95", kill_on_drop: false }`
[INFO] [stdout] 1a7fd9cb12ce09cae76597bb1588797bb2328628834ac66f41900bbcd021db95
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "RUSTDOCFLAGS=--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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+1.82.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 795c1c4654ed8106c3d6cb36c394b20ad128cc64c8bbbbc17579de0029a73a1d
[INFO] running `Command { std: "docker" "start" "-a" "795c1c4654ed8106c3d6cb36c394b20ad128cc64c8bbbbc17579de0029a73a1d", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `os_path`
[INFO] [stderr]   --> src/util/util.rs:12:9
[INFO] [stderr]    |
[INFO] [stderr] 12 |     let os_path = Path::new(&path);
[INFO] [stderr]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_os_path`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `err`
[INFO] [stderr]   --> src/util/util.rs:15:13
[INFO] [stderr]    |
[INFO] [stderr] 15 |         Err(err) => return None,
[INFO] [stderr]    |             ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `os_path`
[INFO] [stderr]   --> src/util/util.rs:29:9
[INFO] [stderr]    |
[INFO] [stderr] 29 |     let os_path = Path::new(&path);
[INFO] [stderr]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_os_path`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `err`
[INFO] [stderr]   --> src/util/util.rs:32:13
[INFO] [stderr]    |
[INFO] [stderr] 32 |         Err(err) => return None,
[INFO] [stderr]    |             ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stderr] 
[INFO] [stderr] warning: function `read_file_nums` is never used
[INFO] [stderr]   --> src/util/util.rs:28:8
[INFO] [stderr]    |
[INFO] [stderr] 28 | pub fn read_file_nums(path: String) -> Option<Vec<i32>> {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/main.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     io::stdin().read_line(&mut day);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 14 |     let _ = io::stdin().read_line(&mut day);
[INFO] [stderr]    |     +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: `AOC2021` (bin "AOC2021" test) generated 6 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/AOC2021-6bf592e4722477c3)
[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" "795c1c4654ed8106c3d6cb36c394b20ad128cc64c8bbbbc17579de0029a73a1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "795c1c4654ed8106c3d6cb36c394b20ad128cc64c8bbbbc17579de0029a73a1d", kill_on_drop: false }`
[INFO] [stdout] 795c1c4654ed8106c3d6cb36c394b20ad128cc64c8bbbbc17579de0029a73a1d