[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 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faegis418%2FAOC2021" "/workspace/builds/worker-11/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/aegis418/AOC2021 on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "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-11/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" "+1.60.0" "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-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ed655cbdfde8756ced56a99de51ec5e817895ef907650d6f839a3e85dc07df5c
[INFO] running `Command { std: "docker" "start" "-a" "ed655cbdfde8756ced56a99de51ec5e817895ef907650d6f839a3e85dc07df5c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ed655cbdfde8756ced56a99de51ec5e817895ef907650d6f839a3e85dc07df5c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed655cbdfde8756ced56a99de51ec5e817895ef907650d6f839a3e85dc07df5c", kill_on_drop: false }`
[INFO] [stdout] ed655cbdfde8756ced56a99de51ec5e817895ef907650d6f839a3e85dc07df5c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 000a65f9fcc39fc55248b7952deefd742296aa3eaada879676a5960c3564edb1
[INFO] running `Command { std: "docker" "start" "-a" "000a65f9fcc39fc55248b7952deefd742296aa3eaada879676a5960c3564edb1", 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 1.80s
[INFO] running `Command { std: "docker" "inspect" "000a65f9fcc39fc55248b7952deefd742296aa3eaada879676a5960c3564edb1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "000a65f9fcc39fc55248b7952deefd742296aa3eaada879676a5960c3564edb1", kill_on_drop: false }`
[INFO] [stdout] 000a65f9fcc39fc55248b7952deefd742296aa3eaada879676a5960c3564edb1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e51747d24ef120571f0f9be3ff712a4f58400ad7c34b01db72c815132c6c2dd7
[INFO] running `Command { std: "docker" "start" "-a" "e51747d24ef120571f0f9be3ff712a4f58400ad7c34b01db72c815132c6c2dd7", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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 15.79s
[INFO] running `Command { std: "docker" "inspect" "e51747d24ef120571f0f9be3ff712a4f58400ad7c34b01db72c815132c6c2dd7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e51747d24ef120571f0f9be3ff712a4f58400ad7c34b01db72c815132c6c2dd7", kill_on_drop: false }`
[INFO] [stdout] e51747d24ef120571f0f9be3ff712a4f58400ad7c34b01db72c815132c6c2dd7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f03ab5da49cfe2d7f44f8eeb9fcedec855d73bdd8f8b12285a35170bb588c4f7
[INFO] running `Command { std: "docker" "start" "-a" "f03ab5da49cfe2d7f44f8eeb9fcedec855d73bdd8f8b12285a35170bb588c4f7", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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 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 11.98s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/AOC2021-875867f9db7fc2b6)
[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" "f03ab5da49cfe2d7f44f8eeb9fcedec855d73bdd8f8b12285a35170bb588c4f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f03ab5da49cfe2d7f44f8eeb9fcedec855d73bdd8f8b12285a35170bb588c4f7", kill_on_drop: false }`
[INFO] [stdout] f03ab5da49cfe2d7f44f8eeb9fcedec855d73bdd8f8b12285a35170bb588c4f7