[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 against 1.59.0 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faegis418%2FAOC2021" "/workspace/builds/worker-23/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-23/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/aegis418/AOC2021 on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "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-23/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: "/workspace/cargo-home/bin/cargo" "+1.59.0" "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-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8d2b7715cb5e3689bb6b91f14613b6e9bf083bcb7ff229f8d19a8db6d73270eb
[INFO] running `Command { std: "docker" "start" "-a" "8d2b7715cb5e3689bb6b91f14613b6e9bf083bcb7ff229f8d19a8db6d73270eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8d2b7715cb5e3689bb6b91f14613b6e9bf083bcb7ff229f8d19a8db6d73270eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d2b7715cb5e3689bb6b91f14613b6e9bf083bcb7ff229f8d19a8db6d73270eb", kill_on_drop: false }`
[INFO] [stdout] 8d2b7715cb5e3689bb6b91f14613b6e9bf083bcb7ff229f8d19a8db6d73270eb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 597c1d69ac3eacbaadf157af128ed4c23bbea31b051c6736d15467f4754ab6da
[INFO] running `Command { std: "docker" "start" "-a" "597c1d69ac3eacbaadf157af128ed4c23bbea31b051c6736d15467f4754ab6da", 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 is never used: `read_file_nums`
[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: crate `AOC2021` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout]   = help: convert the identifier to snake case: `aoc2021`
[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: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.59s
[INFO] running `Command { std: "docker" "inspect" "597c1d69ac3eacbaadf157af128ed4c23bbea31b051c6736d15467f4754ab6da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "597c1d69ac3eacbaadf157af128ed4c23bbea31b051c6736d15467f4754ab6da", kill_on_drop: false }`
[INFO] [stdout] 597c1d69ac3eacbaadf157af128ed4c23bbea31b051c6736d15467f4754ab6da
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9acecdd81a3462b67990fb093bcaf9d4a220eac10183cb9f805d8f6f29a4bae5
[INFO] running `Command { std: "docker" "start" "-a" "9acecdd81a3462b67990fb093bcaf9d4a220eac10183cb9f805d8f6f29a4bae5", 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 is never used: `read_file_nums`
[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: crate `AOC2021` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout]   = help: convert the identifier to snake case: `aoc2021`
[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: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.47s
[INFO] running `Command { std: "docker" "inspect" "9acecdd81a3462b67990fb093bcaf9d4a220eac10183cb9f805d8f6f29a4bae5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9acecdd81a3462b67990fb093bcaf9d4a220eac10183cb9f805d8f6f29a4bae5", kill_on_drop: false }`
[INFO] [stdout] 9acecdd81a3462b67990fb093bcaf9d4a220eac10183cb9f805d8f6f29a4bae5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b6c0aa5ea74f1eb8f3c3da456774ec00caeea76d62c17ad67ea703d4f2a17759
[INFO] running `Command { std: "docker" "start" "-a" "b6c0aa5ea74f1eb8f3c3da456774ec00caeea76d62c17ad67ea703d4f2a17759", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: unused variable: `os_path`
[INFO] [stdout] running 0 tests
[INFO] [stderr]   --> src/util/util.rs:12:9
[INFO] [stdout] 
[INFO] [stderr]    |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr] 12 |     let os_path = Path::new(&path);
[INFO] [stdout] 
[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 is never used: `read_file_nums`
[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: crate `AOC2021` should have a snake case name
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr]   = help: convert the identifier to snake case: `aoc2021`
[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: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: `AOC2021` (bin "AOC2021" test) generated 7 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/AOC2021-fe0d815bc88f7069)
[INFO] running `Command { std: "docker" "inspect" "b6c0aa5ea74f1eb8f3c3da456774ec00caeea76d62c17ad67ea703d4f2a17759", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b6c0aa5ea74f1eb8f3c3da456774ec00caeea76d62c17ad67ea703d4f2a17759", kill_on_drop: false }`
[INFO] [stdout] b6c0aa5ea74f1eb8f3c3da456774ec00caeea76d62c17ad67ea703d4f2a17759